SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 8940HX + NVIDIA GeForce RTX 4090 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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97 Score

Top 3% Ranking

97 / 100

ULTIMATE READY

Apex Performer

Top 3% 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

96%

PROCESSOR

AMD Ryzen 9 8940HX

81,103 Benchmark Score

Top 3% Market Ranking

View Full Specs →

GRAPHICS CARD

NVIDIA GeForce RTX 4090 Mobile

43,667 Benchmark Score

Top 4% Market Ranking

View Full Specs →

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

View All Games →

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.

Compatible Games See what you can play Compare CPUs Find upgrades Compare GPUs Find upgrades

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

The AMD Ryzen 9 8940HX and NVIDIA GeForce RTX 4090 Mobile pairing represents the apex of mobile x86 computing, combining a 16-core Zen 4 Dragon Range processor with the flagship Ada Lovelace GPU. This combination targets the 90th percentile of all system configurations, indicating that benchmark results place it ahead of roughly nine out of ten possible builds. The CPU alone sits in the 95th percentile against all processors, while the GPU holds the 84th percentile against all graphics cards, making this a platform where both major components are elite performers in their respective domains.

CPU Analysis

The AMD Ryzen 9 8940HX is built on the Zen 4 architecture using TSMC's 5 nm process node, with the Dragon Range codename indicating its high-performance mobile positioning. The chip packs 16 cores and 32 threads, running at a base clock of 2.40 GHz and boosting up to 5.30 GHz. This configuration is substantial for a laptop processor, with the 13,140 million transistors spread across a dual-chiplet design measuring 2x 71 mm². The 55 W TDP figure is notably low for a 16-core part, suggesting aggressive power management in mobile chassis despite the high core count.

The cache hierarchy is comprehensive: 64 KB of L1 per core, 1 MB of L2 per core, and a shared 64 MB of L3 cache. This large L3 allocation benefits workloads with repetitive data access patterns, such as database queries and certain scientific simulations. Memory support is limited to DDR5 with a dual-channel bus, providing 83.2 GB/s of bandwidth. While ECC memory is not supported, the platform compensates with PCIe Gen 5 connectivity across 28 CPU lanes, enabling fast NVMe storage and external GPU enclosures.

Benchmark data reveals a processor that excels in multithreaded throughput. Cinebench R23 multicore score of 32521 places it in rarefied air, with the single-core score of 1917 indicating strong per-thread performance. The Cinebench R15 results show a similar pattern: 5355 multicore and 292 single-core. PassMark tests reinforce this profile, with the multithread score of 49731 and single-thread score of 3874 demonstrating balanced capability. The avgBenchmarkScore of 81103 puts it on par with the Intel Xeon w5-3535X and Intel Core i9-14900KS, both showing a 0% deltaPct difference, while it edges out the AMD Ryzen AI Max+ PRO 395 by 0.4% and the Intel Xeon 638 by 0.5%.

For real-world workloads, the data suggests a processor that can handle heavy parallel tasks like video encoding, 3D rendering, and software compilation without breaking a sweat. The high single-core performance, evidenced by the 1917 R23 score, ensures responsiveness in everyday tasks and lightly-threaded applications. The PassMark data compression score of 650984 and floating point math score of 113921 indicate strong number-crunching abilities, while the encryption score of 39318 shows capable security-related processing.

Benchmark Performance

The combined system performance places this configuration at the 90th percentile overall, with the CPU contributing a 95th percentile ranking and the GPU at 84th percentile. This disparity is notable: the processor outclasses the graphics card relative to their respective markets, meaning the CPU is more of an outlier in its category than the GPU is in its own.

The GPU's benchmark scores are substantial but not class-leading. Geekbench OpenCL score of 180831 and Vulkan score of 170774 demonstrate strong compute capability. PassMark G3D score of 27212 shows solid DirectX performance, with the G2D score of 984 indicating acceptable 2D acceleration. The GPU compute score of 12347 reflects the dedicated tensor and RT hardware at work. The avgBenchmarkScore of 43667 places it 0.8% ahead of the NVIDIA Quadro M6000 and 0.9% ahead of both the GeForce RTX 5050 Mobile and Quadro M6000 24 GB, while sitting 0.9% behind the RTX A6000.

The combined picture shows a system where the CPU is the standout performer, but the GPU is no slouch. The 84th percentile GPU ranking means most gaming laptops will have slower graphics, even if some desktop cards or higher-end mobile variants exceed it. The deltaPct values against rivals reveal that the RTX 4090 Mobile is clustered tightly with professional workstation cards, suggesting that its real strength lies in compute-heavy tasks rather than raw rasterization speed. DirectX 12 score of 107 and DirectX 11 score of 262 indicate that the card handles modern APIs well, while the DirectX 9 score of 310 shows legacy compatibility remains solid.

Gaming Performance

The FACT PACK contains no measured FPS rows for this exact combination, meaning there is no empirical frame rate data for this specific CPU-GPU pairing. All FPS discussion below must be treated as estimates derived from the benchmark scores, not measured results. The dataIsMeasured flag is false, so figures should be interpreted as projections rather than verified outcomes.

Given the GPU's 84th percentile ranking and the CPU's 95th percentile standing, this system should deliver extremely high frame rates at 1080p and 1440p resolutions in most titles. The PassMark G3D score of 27212 suggests the GPU can handle demanding modern games, though the DirectX 12 score of 107 is modest compared to the DirectX 11 score of 262, hinting that some newer titles may not fully utilize the architecture. The 16 GB GDDR6 memory and 576.0 GB/s bandwidth provide ample headroom for high-resolution textures and ray tracing workloads.

The CPU's strong single-thread performance, evidenced by the 1917 R23 score, should prevent bottlenecks in most game scenarios. The 32 threads available will also help in games that scale well across multiple cores, though the 5.30 GHz boost clock is the more critical factor for frame pacing. Estimated frame rates would likely exceed 100 FPS at 1080p ultra settings in most titles, with 1440p remaining highly playable. At 4K, the GPU may become the limiting factor, but the 16 GB VRAM buffer would prevent memory-related stuttering even in VRAM-hungry titles.

Upgrade Path and Platform

The AMD Ryzen 9 8940HX uses the AMD Socket FL1, a mobile-specific socket that limits upgrade potential. This is a laptop processor, so the socket is not user-serviceable in most chassis, meaning the CPU is effectively soldered and not upgradeable. The platform supports DDR5 memory in a dual-channel configuration, providing 83.2 GB/s of bandwidth, which is adequate for the CPU's needs but not expandable beyond the dual-channel limit.

PCIe Gen 5 support across 28 CPU lanes is forward-looking, allowing for the fastest NVMe SSDs currently available. The GPU connects via PCIe 4.0 x16, which is a generation behind the CPU's capability but still offers sufficient bandwidth for the RTX 4090 Mobile. The integrated Radeon 610M GPU provides a fallback for power-saving modes or diagnostics, though it is not designed for gaming.

The suggested PSU field is null, and the GPU has a 120 W TDP with no power connectors, indicating it draws power through the motherboard. The CPU's 55 W TDP combined with the GPU's 120 W TDP suggests a total system power draw that is manageable in high-end laptop chassis. A sensible next upgrade would focus on memory capacity and storage speed, as the CPU and GPU are already at the top of their respective mobile lineups. The DDR5 support means users can populate the dual-channel slots with high-capacity modules, and the PCIe Gen 5 lanes allow for future storage upgrades to take advantage of faster NVMe protocols.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is built on the Ada Lovelace architecture using TSMC's 5 nm process, packing 45,900 million transistors into a 379 mm² die. This gives a transistor density of 121.1M per mm², indicating a highly optimized design. The GPU runs at a base clock of 1335 MHz with a boost clock of 1695 MHz, which is conservative for a flagship mobile part, likely to manage thermals in thin chassis.

Memory configuration is robust: 16 GB of GDDR6 across a 256-bit bus, delivering 576.0 GB/s of bandwidth. The memory clock is 2250 MHz, translating to 18 Gbps effective, which is standard for GDDR6 but not the fastest available. The 9728 shading units, 304 TMUs, and 112 ROPs provide substantial rasterization throughput, with pixel rate of 189.8 GPixel/s and texture rate of 515.3 GTexel/s.

Ray tracing and AI capabilities are present but not overwhelming: 76 RT cores and 304 tensor cores support the RTX feature set. FP32 performance of 32.98 TFLOPS and FP16 at 32.98 TFLOPS (1:1 ratio) indicate balanced compute, though not the highest in the mobile segment. The 84th percentile ranking against all GPUs means most discrete graphics cards are slower, but the nearest rivals include professional workstation parts like the RTX A6000, which is 0.9% faster, and the Quadro M6000 variants, which are 0.8-0.9% slower.

For rendering workloads, the 16 GB VRAM is the standout feature, allowing large scenes and high-resolution textures without spillover. The FP32 and FP16 throughput supports Blender, Maya, and other 3D applications, while the tensor cores accelerate AI-based denoising and upscaling. The Geekbench OpenCL score of 180831 indicates strong compute capability, though the PassMark GPU compute score of 12347 is more modest, suggesting that raw compute is not the card's primary strength compared to its gaming-oriented feature set.

Who Should Build It

This combination targets users who need maximum CPU throughput in a mobile form factor. The 16-core, 32-thread Ryzen 9 8940HX with a 95th percentile ranking is ideal for content creators who run heavy multithreaded workloads: video editors working with 4K or 8K footage, 3D artists rendering scenes in Cinema 4D or Blender, and software developers compiling large codebases. The Cinebench R23 multicore score of 32521 and PassMark multithread score of 49731 demonstrate that this CPU can chew through parallel tasks quickly.

Gamers at 1080p and 1440p resolutions will benefit from the pairing, though the GPU's 84th percentile ranking means it is not the absolute fastest mobile option. The 16 GB VRAM is sufficient for 1440p ultra settings in most titles, and the CPU's single-core performance prevents bottlenecking. Students in engineering or computer science programs will find the processing power ample for simulations, virtual machines, and data analysis, with the 64 MB L3 cache aiding in repetitive workloads.

Small business workstations that require heavy compute — financial modeling, data processing, or scientific computing — would benefit from the CPU's capabilities. The PassMark data compression score of 650984 and floating point math score of 113921 indicate strong throughput for these tasks. However, the lack of ECC memory support may be a limitation for mission-critical workloads, and the mobile form factor may not suit all workstation environments.

Balance and Bottleneck

The data shows a system where the CPU is the stronger component relative to its market. The CPU's 95th percentile ranking versus the GPU's 84th percentile means the processor is more exceptional within its category than the graphics card is within its own. In CPU-bound workloads — software compilation, data compression, physics simulations — the Ryzen 9 8940HX will not be the limiting factor, as its PassMark physics score of 2104 and integer math score of 189221 demonstrate.

In GPU-bound scenarios, the RTX 4090 Mobile becomes the constraint. The PassMark DirectX 12 score of 107 is notably lower than the DirectX 11 score of 262, suggesting that games using newer APIs may not scale as well. The GPU's 84th percentile ranking means some mobile GPUs will outperform it, and in gaming at 4K resolution, the graphics card will likely be the bottleneck, as the CPU's 5.30 GHz boost clock is sufficient to feed frames at lower resolutions.

The FPS scaling picture, while estimated, suggests that at 1080p, the CPU may occasionally limit performance in high-refresh scenarios, but this is unlikely given its strong single-core scores. At 1440p and above, the GPU becomes the primary limiter, which is typical for this class of system. The 90th combined percentile indicates that the system is well-balanced overall, with neither component dragging the other down to a significant degree.

FAQ

Q: What is the CPU's core and thread count?

A: The AMD Ryzen 9 8940HX has 16 cores and 32 threads, based on the Zen 4 architecture with a 5 nm process.

Q: How much VRAM does the RTX 4090 Mobile have?

A: The GPU has 16 GB of GDDR6 memory across a 256-bit bus, providing 576.0 GB/s of bandwidth.

Q: What is the CPU's benchmark percentile ranking?

A: The CPU sits in the 95th percentile against all processors, with an average benchmark score of 81103.

Q: Does the system support ECC memory?

A: No, ECC memory is not supported for the CPU, which supports dual-channel DDR5 memory with 83.2 GB/s bandwidth.

Q: What is the GPU's DirectX version support?

A: The GPU supports DirectX 12 Ultimate (12_2), along with OpenGL 4.6 and Vulkan 1.4.

Q: How does the CPU compare to the Intel Core i9-14900KS?

A: The Ryzen 9 8940HX has an average benchmark score of 81103, matching the Intel Core i9-14900KS at 81127 with a 0% deltaPct difference.

Q: What is the GPU's FP32 performance?

A: The RTX 4090 Mobile delivers 32.98 TFLOPS of FP32 performance, with FP16 also at 32.98 TFLOPS (1:1 ratio).

Usage Scenarios

High-refresh gaming: The combination of 16 cores boosting to 5.30 GHz and a GPU at the 84th percentile should sustain high frame rates at 1080p and 1440p, with the 16 GB VRAM handling large textures. Estimated performance suggests 1440p ultra settings are viable, though 4K gaming will push the GPU harder.

Streaming: The CPU's 32 threads and high multithread score of 49731 in PassMark allow simultaneous game encoding and streaming without significant performance loss. The 5.30 GHz boost clock ensures low latency for capture, while the GPU's tensor cores can accelerate encoder tasks.

Video editing: The Cinebench R23 multicore score of 32521 indicates fast timeline rendering and export times. The 16 GB VRAM on the GPU accelerates effects processing, and the 83.2 GB/s memory bandwidth supports high-bitrate footage.

3D rendering: The CPU's 64 MB L3 cache and strong floating point math score of 113921 handle complex scenes, while the GPU's 16 GB VRAM and 32.98 TFLOPS FP32 performance provide GPU-accelerated rendering capabilities, though the PassMark GPU compute score of 12347 suggests it is not the fastest compute card.

Software development: The 32 threads and PassMark integer math score of 189221 speed up compilation, and the data encryption score of 39318 supports secure development workflows. The 95th percentile CPU ranking means code builds will complete faster than on most systems.

Student and office work: The CPU's single-thread score of 3874 in PassMark ensures responsive everyday performance, while the 55 W TDP keeps power consumption reasonable for a laptop. The integrated Radeon 610M provides a low-power mode for battery conservation, and the 5 nm process node contributes to efficiency.

Rate My PC: AMD Ryzen 9 8940HX + NVIDIA GeForce RTX 4090 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 9 8940HX

NVIDIA GeForce RTX 4090 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

CPU Analysis

Benchmark Performance

Gaming Performance

Upgrade Path and Platform

GPU Analysis

Who Should Build It

Balance and Bottleneck

FAQ

Usage Scenarios

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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