SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 8940HX + NVIDIA GeForce RTX 5080 Mobile

Get a comprehensive performance analysis of your gaming rig with detailed benchmarks, bottleneck detection, and upgrade recommendations

Build Configuration

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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96 Score

Top 4% Ranking

96 / 100

ULTIMATE READY

Apex Performer

Top 4% of systems. Capable of 4K Ultra gaming and advanced rendering.

4K 60+ FPSVR ReadyRay Tracing

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

97%

GPU

95%

PROCESSOR

AMD Ryzen 9 8940HX

81,103 Benchmark Score

Top 3% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 5080 Mobile

38,349 Benchmark Score

Top 5% Market Ranking

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Market Position

How your build compares to others

Budget

0-30

Mid-Range

30-60

High-End

60-85

Enthusiast

85-100

Your Build

Game Performance Benchmarks

Real-world 4K FPS in popular titles

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Performance Insights

Tips to maximize your system

Optimal Performance

Your system is in the top tier. You can run any modern game at maximum settings.

4K Gaming Ready

Consider a 4K 144Hz monitor to fully utilize your hardware capabilities.

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Performance Tiers Explained

90-100

Ultimate

4K Ultra gaming, VR ready, ray tracing enabled, professional workloads

4K 60+ FPS VR Ready

70-89

High-End

1440p Ultra or 4K High settings, excellent for modern AAA titles

1440p Ultra 4K High

50-69

Mid-Range

1080p Ultra or 1440p Medium, great value for most gamers

1080p Ultra 1440p Med

30-49

Entry Level

1080p Medium settings, suitable for eSports and older titles

1080p Med eSports

0-29

Legacy

Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

Balance and Bottleneck

The AMD Ryzen 9 8940HX paired with the NVIDIA GeForce RTX 5080 Mobile represents a configuration where the CPU sits in a higher performance percentile than the GPU. The processor ranks in the 95th percentile among all CPUs, while the graphics solution rests in the 81st percentile among all GPUs. This 14-point gap indicates that, in purely compute-bound scenarios, the CPU has more relative headroom than the GPU, making the RTX 5080 Mobile the likelier constraint in graphics-heavy workloads.

In multi-threaded CPU tasks, the Ryzen 9 8940HX posts a Cinebench R23 multicore score of 32,521, which places it essentially level with the Intel Core i9-14900KS (deltaPct of 0%) and the Intel Xeon w5-3535X (deltaPct of 0%). The AMD Ryzen AI Max+ PRO 395 trails by 0.4%, and the Intel Xeon 638 is 0.5% behind. These near-identical scores suggest that for heavily threaded productivity applications, the CPU is not the limiting factor — the GPU will dictate overall system throughput in mixed workloads.

Conversely, the RTX 5080 Mobile's average benchmark score of 38,349 places it within 0.6% of the RTX 4080 Mobile and within 0.1% of the GeForce MX570, a striking comparison. The GPU's 3DMark Steel Nomad DX12 score of 4,952 and Passmark G3D score of 27,711 indicate capable but not class-leading graphics performance. In gaming scenarios, the data suggests the GPU will be the primary bottleneck at higher resolutions, while at lower resolutions the CPU's 95th-percentile standing becomes less relevant.

The FPS scaling picture is absent from the measured data — no measured FPS rows exist for this exact combination. However, based on the benchmark scores, the CPU's single-thread performance (Cinebench R23 single-core score of 1,917) is strong enough to feed the GPU in most titles, but the GPU's 81st-percentile rank implies it will saturate before the CPU in graphically demanding scenes. The Passmark physics score of 2,104 reinforces that the CPU handles game logic and physics simulation well, but the GPU's Passmark GPU compute score of 12,134 shows where rendering throughput will cap.

The memory subsystem favors the CPU side. The Ryzen 9 8940HX supports dual-channel DDR5 with 83.2 GB/s of memory bandwidth, which is ample for feeding 16 cores. The GPU's 896.0 GB/s of bandwidth across a 256-bit bus is substantial but not extraordinary for a 50-series mobile part. The net result: this is a balanced-enough pairing where CPU-bound tasks (compilation, rendering, simulation) will see the processor stretch its legs, while GPU-bound tasks (ray tracing, high-resolution gaming, AI inference) will find the graphics card as the ceiling.

FAQ

Q: How does the Ryzen 9 8940HX compare to its closest CPU rivals in average benchmark score?

A: The Ryzen 9 8940HX averages 81,103 across its benchmark suite, which is essentially tied with the Intel Xeon w5-3535X (81,115) and Intel Core i9-14900KS (81,127), both showing a 0% deltaPct. The AMD Ryzen AI Max+ PRO 395 is 0.4% behind, and the Intel Xeon 638 trails by 0.5%.

Q: What is the RTX 5080 Mobile's performance percentile, and which GPU is it closest to?

A: The RTX 5080 Mobile sits in the 81st percentile among all GPUs. Its average benchmark score of 38,349 is within 0.1% of the NVIDIA GeForce MX570 (38,299), 0.6% of the RTX 4080 Mobile (38,135), and 0.9% of both the MX570 A (38,691) and AMD Radeon Pro 580X (38,706).

Q: Does this laptop CPU support ECC memory?

A: No, the Ryzen 9 8940HX does not support ECC memory. It supports dual-channel DDR5 memory with a bandwidth of 83.2 GB/s.

Q: What is the process node and transistor count for each component?

A: Both the CPU and GPU are fabricated on a 5 nm process at TSMC. The Ryzen 9 8940HX contains 13,140 million transistors across a dual-die design (2x 71 mm²), while the RTX 5080 Mobile packs 45,600 million transistors on a 378 mm² die.

Q: Is there measured FPS data for gaming performance on this combination?

A: No, there is no measured FPS data for this exact CPU+GPU pairing. The FACT PACK contains no measuredFps rows, so all FPS figures presented here are estimates derived from the benchmark scores and should be treated as approximations.

Q: What is the combined percentile ranking of this build?

A: The combined percentile for the Ryzen 9 8940HX and RTX 5080 Mobile is 88, meaning this pairing outperforms 88% of all recorded builds in the database.

Q: What API support does the RTX 5080 Mobile offer?

A: The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This covers modern gaming APIs including ray tracing and mesh shaders.

CPU Analysis

The AMD Ryzen 9 8940HX is a 16-core, 32-thread mobile processor built on the Zen 4 architecture, codenamed Dragon Range. It is part of the 8000 series and manufactured on a 5 nm process at TSMC. The chip features a base clock of 2.40 GHz and a boost clock of 5.30 GHz, with a TDP of 55 W. The CPU uses the AMD Socket FL1 and supports dual-channel DDR5 memory with a bandwidth of 83.2 GB/s, though it lacks ECC support.

The cache hierarchy is substantial: 64 KB of L1 per core, 1 MB of L2 per core, and a total of 64 MB of L3 cache. This large L3 pool benefits workloads with shared data patterns, such as database queries and scientific simulations. The CPU integrates a Radeon 610M iGPU, which provides basic display output when the discrete GPU is idle, though the RTX 5080 Mobile handles all demanding graphics tasks.

Benchmark results show the CPU's strengths. The Cinebench R23 multicore score of 32,521 places it in the 95th percentile of all CPUs, and its average benchmark score of 81,103 ties it with desktop-class parts like the Intel Core i9-14900KS (81,127) and Intel Xeon w5-3535X (81,115). The single-core Cinebench R23 score of 1,917 is respectable for a mobile part, indicating strong per-thread performance for lightly threaded applications.

The Passmark suite reveals specific workload characteristics. The multithread score of 49,731 is strong, while integer math (189,221) and floating-point math (113,921) scores are high, suggesting the CPU handles both integer-heavy code (compilers, encryption) and floating-point-heavy code (physics, rendering) well. Extended instructions score 47,802, meaning AVX/AVX2 workloads will run efficiently. Data compression scores 650,984, which is excellent for archiving and data-heavy tasks. The encryption score of 39,318 indicates robust AES performance, useful for VPNs and full-disk encryption.

The CPU's 95th percentile ranking is telling: it outperforms the vast majority of all CPUs in the database, including many desktop parts. The nearest rivals — the Xeon w5-3535X and i9-14900KS — are high-end workstation and desktop processors, respectively, and the 8940HX matches them within rounding error. This suggests that for mobile users, the Ryzen 9 8940HX delivers desktop-equivalent multi-threaded performance, making it suitable for heavy compilation, 3D rendering, and video encoding tasks where core count matters more than clock speed.

Who Should Build It

This configuration targets users who need desktop-class CPU performance in a laptop form factor but accept GPU performance that is good, not great, relative to the CPU. The build class is "laptop," so the audience is mobile professionals rather than desktop builders.

Gamers at 1080p will benefit most from this pairing, as the CPU's strong single-thread performance (Cinebench R23 single-core score of 1,917) ensures high frame rates in CPU-bound titles, while the GPU's 81st-percentile rank is sufficient for competitive gaming at lower resolutions. At 1440p, the GPU becomes more of a limiting factor, and at 4K, the RTX 5080 Mobile's Passmark G3D score of 27,711 suggests users will need to lower settings to maintain playable frame rates.

Content creators who work with video editing, 3D modeling, and software development will find the CPU's 16 cores and 32 threads invaluable. The Cinebench R23 multicore score of 32,521 means rendering times in Blender or Cinebench will be short, and the Passmark multithread score of 49,731 indicates strong performance in parallel workloads like photo batch processing and video transcoding. The 64 MB of L3 cache helps with large datasets common in data science and machine learning preprocessing.

Software developers will appreciate the high integer math score (189,221) for compilation tasks and the data encryption score (39,318) for secure application development. Students in engineering or computer science programs can leverage the CPU's compute power for simulations and code compilation, while the integrated Radeon 610M provides a fallback for light tasks to save battery.

Small business workstations that run virtual machines, database servers, or financial modeling software will see the CPU's 95th-percentile ranking translate to responsive multi-user performance. The lack of ECC memory is a consideration for mission-critical reliability, but the dual-channel DDR5 support with 83.2 GB/s bandwidth handles typical business workloads without issue. The GPU's 16 GB of VRAM is sufficient for CUDA-accelerated tasks like video processing or light AI inference, though users needing heavy GPU compute should look at higher-tier mobile GPUs.

GPU Analysis

The NVIDIA GeForce RTX 5080 Mobile is built on the Blackwell 2.0 architecture using the GB203 chip, fabricated on a 5 nm process at TSMC with 45,600 million transistors on a 378 mm² die. The GPU features 7,680 shading units, 240 texture mapping units, and 96 raster output units. It includes 60 RT cores and 240 tensor cores, enabling hardware-accelerated ray tracing and AI-based features like DLSS.

The memory subsystem consists of 16 GB of GDDR7 on a 256-bit bus, delivering 896.0 GB/s of bandwidth. The memory clock runs at 1750 MHz with 28 Gbps effective speed. This bandwidth is critical for high-resolution textures and large datasets in rendering workloads. The base clock is 975 MHz with a boost clock of 1500 MHz. The GPU's TDP is 80 W, and it uses no power connectors, drawing power directly from the motherboard — typical for a mobile IGP-class solution. The bus interface is PCIe 5.0 x16.

Compute performance is measured at 23.04 TFLOPS for both FP32 and FP16 (1:1 ratio). The pixel rate is 144.0 GPixel/s, and the texture rate is 360.0 GTexel/s. These figures indicate that the GPU can handle modern rendering workloads but is not in the top tier of mobile GPUs.

The RTX 5080 Mobile's benchmark scores paint a nuanced picture. The 3DMark Steel Nomad DX12 score of 4,952 is a modern rasterization test, and the Passmark G3D score of 27,711 reflects overall graphics performance. The Geekbench OpenCL score of 166,986 and Vulkan score of 169,754 show strong compute and API-agnostic performance. However, the Passmark DirectX scores are mixed: DirectX 9 scores 314, DirectX 10 scores 171, DirectX 11 scores 253, and DirectX 12 scores 116. These lower DirectX scores suggest that legacy or feature-light APIs may not be fully optimized, while modern APIs like Vulkan and OpenCL perform better.

The GPU's average benchmark score of 38,349 places it in the 81st percentile, with nearest rivals being the GeForce MX570 (deltaPct 0.1%), RTX 4080 Mobile (deltaPct 0.6%), MX570 A (deltaPct -0.9%), and Radeon Pro 580X (deltaPct -0.9%). The near-tie with the MX570 — an entry-level laptop GPU — is surprising and suggests that the RTX 5080 Mobile's performance is not as high as its naming implies. The 0.6% lead over the RTX 4080 Mobile indicates that the 50-series architecture does not provide a generational leap in this mobile tier.

For rendering workloads, the 16 GB of VRAM is a key advantage, allowing large scenes and high-resolution textures to fit in memory without swapping. The 60 RT cores enable hardware ray tracing, and the 240 tensor cores accelerate AI denoising and DLSS. The 896.0 GB/s bandwidth is sufficient for 4K texture streaming and complex shader workloads.

Gaming Performance

There is no measured FPS data for this exact CPU+GPU combination — the FACT PACK contains no measuredFps rows. All FPS figures discussed here are estimates derived from the benchmark scores and should be treated as approximations rather than verified results.

Based on the RTX 5080 Mobile's 81st-percentile GPU ranking and its 3DMark Steel Nomad DX12 score of 4,952, gaming performance will be moderate. At 1080p with ultra settings, the CPU's strong single-thread performance (Cinebench R23 single-core score of 1,917) should keep frame rates high in CPU-bound titles like esports games and real-time strategy games. The GPU's Passmark G3D score of 27,711 suggests it can handle most AAA titles at 1080p with high settings, but users should expect frame rates in the 60-90 FPS range for demanding games, with lighter titles exceeding 100 FPS.

At 1440p, the GPU becomes the primary constraint. The 896.0 GB/s memory bandwidth and 23.04 TFLOPS of FP32 compute are sufficient for medium-to-high settings, but ultra settings may push frame rates below 60 FPS in graphically intensive titles. The 16 GB of VRAM helps with texture-heavy games at this resolution, but the GPU's overall compute throughput limits performance.

At 4K, the RTX 5080 Mobile will struggle with ultra settings. The 81st-percentile GPU rank means it trails top-tier mobile GPUs, so users should expect to lower settings to high or medium to achieve playable frame rates. Ray tracing at 4K will be particularly demanding, though the 60 RT cores provide some acceleration. DLSS (via the 240 tensor cores) can help recover performance, but the base compute is limited.

The CPU's gaming contribution is solid. The Passmark physics score of 2,104 indicates good game physics performance, and the single-thread score of 3,874 (Passmark) ensures that game logic and AI systems run smoothly. The 64 MB of L3 cache reduces memory latency for game assets, and the 83.2 GB/s memory bandwidth prevents CPU-side bottlenecks in most scenarios.

Overall, this pairing is best suited for 1080p gaming at high-to-ultra settings, with 1440p gaming at medium-to-high settings as a secondary option. 4K gaming is possible but requires significant settings compromises.

Benchmark Performance

The CPU's benchmark suite shows a processor that punches above its mobile class. The Cinebench R15 multicore score of 5,355 and single-core score of 292 are strong for a 55 W part. The Cinebench R23 scores of 32,521 (multicore) and 1,917 (single-core) are the headline figures, placing the CPU in the 95th percentile of all CPUs. The average benchmark score of 81,103 places it in a dead heat with the Intel Xeon w5-3535X (81,115) and Intel Core i9-14900KS (81,127), with deltas of 0% — effectively identical performance.

The Passmark suite adds granularity. The multithread score of 49,731 is high, and the integer math (189,221) and floating-point math (113,921) scores show balanced compute. Data compression (650,984) and random string sorting (75,381) suggest strong memory subsystem performance. The find prime numbers score of 251 is modest, but this is a niche test. The single-thread score of 3,874 is competitive for mobile.

The GPU's benchmark performance is more modest. The 3DMark Steel Nomad DX12 score of 4,952 is a modern test, and the Geekbench OpenCL (166,986) and Vulkan (169,754) scores show good compute. The Passmark G3D score of 27,711 places the GPU in the 81st percentile, with an average benchmark score of 38,349. The nearest rivals show tight clustering: the MX570 is 0.1% ahead, the RTX 4080 Mobile is 0.6% behind, and the MX570 A and Radeon Pro 580X are both 0.9% behind. This clustering indicates that the RTX 5080 Mobile's performance is not dramatically different from its nearest competitors, despite the newer architecture.

The combined picture is a system where the CPU is a top-tier performer (95th percentile) and the GPU is a solid mid-to-upper-tier performer (81st percentile). The combined percentile of 88 reflects this: the system outperforms 88% of all builds, but the GPU drags the overall score below what the CPU alone would suggest. Users building this system should expect exceptional CPU-bound performance and good, but not class-leading, GPU-bound performance.

Build Overview

This build pairs the AMD Ryzen 9 8940HX with the NVIDIA GeForce RTX 5080 Mobile in a laptop form factor (build class: "laptop"). The CPU is a 16-core, 32-thread Zen 4 processor from the 8000 series, released on 2025-04-22, while the GPU is a Blackwell 2.0 architecture part from the GeForce 50-series, released on 2025-04-01. Both are active production parts.

The overall tier of this build is high, driven primarily by the CPU's 95th-percentile ranking. The combined percentile of 88 means it outperforms 88% of all recorded builds, which is a strong result for a laptop. However, the GPU's 81st-percentile ranking tempers the overall assessment — this is not a top-tier gaming or GPU-compute system, but it is a very capable all-around laptop.

The CPU's 55 W TDP and the GPU's 80 W TDP suggest a combined thermal load of approximately 135 W, which is manageable for a high-end laptop cooling solution. The CPU's 5 nm process (TSMC) and the GPU's 5 nm process (TSMC) both contribute to power efficiency. The GPU's 16 GB of GDDR7 memory is generous for a mobile part and will handle modern game textures and AI workloads.

This is a pairing that makes sense for users who prioritize CPU performance — developers, content creators, and power users — over pure gaming or GPU compute. The CPU's performance is desktop-class, while the GPU is adequate for most tasks but not exceptional. The build class is explicitly laptop, so portability is a given, and the absence of a dedicated power connector on the GPU (slot width: IGP) confirms it is designed for laptop integration.

Upgrade Path and Platform

The CPU uses AMD Socket FL1, which is specific to the Dragon Range platform. The Ryzen 9 8940HX is a multiplier-unlocked part, but in a laptop, overclocking is typically limited by the cooling solution and BIOS. The CPU supports PCIe Gen 5 with 28 lanes (CPU only), providing ample bandwidth for the GPU and NVMe storage.

Memory support is dual-channel DDR5 with 83.2 GB/s bandwidth. The memory bus is dual-channel, and there is no ECC support. For upgrades, users can increase memory capacity, but the dual-channel architecture means adding more sticks will not increase bandwidth beyond the 83.2 GB/s limit. The 64 MB of L3 cache is generous and not upgradeable.

The GPU connects via PCIe 5.0 x16, which is the current standard. The GPU's TDP is 80 W, and it uses no power connectors, drawing power from the motherboard. The suggested PSU is not specified (null), but the 80 W TDP is low for a GPU, meaning a standard laptop power brick will suffice. The GPU's slot width is "IGP," confirming it is an integrated graphics processor in the laptop sense, not a discrete card.

For a sensible next upgrade, the CPU is already near the top of its platform — the 95th-percentile ranking means there is little headroom for CPU improvement without changing the socket. The GPU, however, has room for improvement: users could theoretically upgrade to a higher-tier mobile GPU if the laptop chassis allows, though this is rarely possible in practice. The 16 GB of VRAM is sufficient for current games and workloads, so GPU upgrades would target higher compute throughput rather than more memory.

The PCIe Gen 5 support (28 lanes) means future NVMe drives and external GPU enclosures (if supported) will have ample bandwidth. The DDR5 memory support is current, and users can upgrade to higher-capacity modules, though the bandwidth ceiling remains 83.2 GB/s. The platform is not ECC-capable, so users needing error-correcting memory should look elsewhere.

In terms of PSU headroom, the 55 W CPU and 80 W GPU total 135 W, which is well within the range of modern laptop power adapters. There is no suggested PSU value in the data, but the low TDPs indicate that this system does not require an oversized power supply. The absence of power connectors on the GPU reinforces that this is a power-efficient mobile design.

Rate My PC: AMD Ryzen 9 8940HX + NVIDIA GeForce RTX 5080 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 9 8940HX

NVIDIA GeForce RTX 5080 Mobile

Market Position

Game Performance Benchmarks

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

Performance Insights

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

Balance and Bottleneck

FAQ

CPU Analysis

Who Should Build It

GPU Analysis

Gaming Performance

Benchmark Performance

Build Overview

Upgrade Path and Platform

4K Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1440p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1080p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

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