SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 9955HX + NVIDIA GeForce RTX 5080 Mobile

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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

98%

GPU

95%

PROCESSOR

AMD Ryzen 9 9955HX

91,199 Benchmark Score

Top 2% 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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Budget

0-30

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30-60

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60-85

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85-100

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Optimal Performance

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

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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

# AMD Ryzen 9 9955HX + NVIDIA GeForce RTX 5080 Mobile

This laptop pairing combines AMD's top-tier 16-core Zen 5 mobile processor with NVIDIA's Blackwell-based RTX 5080 Mobile GPU, placing it in the 89th percentile overall among all CPU+GPU combinations in the database. The CPU alone sits at the 96th percentile among all CPUs, while the GPU holds the 81st percentile among all GPUs. This is a high-end mobile workstation and gaming platform designed for demanding multi-threaded workloads and high-resolution gaming, though the exact performance balance between the two components reveals some interesting characteristics worth examining.

CPU Analysis

The AMD Ryzen 9 9955HX is built on the Zen 5 architecture using the Fire Range codename, manufactured on TSMC's 4 nm process node with 16,630 million transistors spread across a dual-die design of 2x 70.6 mm². It features 16 cores and 32 threads, with a base clock of 2.50 GHz and a boost clock of 5.40 GHz. The TDP is rated at 55 W, which is modest for a 16-core part, suggesting the mobile platform prioritizes efficiency while still delivering high peak performance when needed.

The cache hierarchy is substantial: 80 KB of L1 per core, 1 MB of L2 per core, and a shared 64 MB L3 cache. This large L3 pool is critical for multi-threaded workloads where data sharing between cores reduces memory traffic. The CPU supports DDR5 memory in dual-channel configuration with a theoretical bandwidth of 89.6 GB/s, and ECC memory is supported — a feature that matters for professional workstations where data integrity is non-negotiable. PCIe Gen 5 with 28 lanes (CPU only) provides ample bandwidth for the latest SSDs and the discrete GPU.

Benchmark results show a processor that excels in both single-threaded and multi-threaded tasks. In Cinebench R23, the multi-core score reaches 37,159, while single-core hits 2,174. The single-core score is particularly telling for a laptop CPU: it indicates strong IPC improvements from Zen 5, making the chip responsive in everyday tasks and lightly-threaded applications. The multi-core score, meanwhile, demonstrates that all 16 cores scale well under sustained load, reaching 5,905 in Cinebench R15 multi-core and 336 in single-core.

PassMark results reinforce this picture. The multi-thread score of 56,171 is complemented by strong integer math (212,598) and floating-point math (136,682) scores. Data compression hits 731,998, while encryption reaches 37,330 and extended instructions score 57,946. The single-thread PassMark score of 4,393 places it among the fastest laptop processors for single-core responsiveness. The physics score of 2,720 and prime number finding score of 287 suggest strong computational throughput in scientific and simulation workloads.

Relative to its nearest rivals, the Ryzen 9 9955HX averages 91,199 across all benchmark tests. It edges past the Intel Xeon 654 (90,717, +0.5%) and AMD Ryzen AI Max+ 392 (90,541, +0.7%), but trails the Intel Core Ultra 7 270K Plus (93,785, -2.8%) and Intel Xeon 6520P (93,786, -2.8%). These deltas are small — within 3% — indicating that this CPU is competitive with top desktop and server parts despite being a mobile chip, which speaks to the efficiency of Zen 5 at the 4 nm node.

Benchmark Performance

The GPU side of this pairing delivers strong results in synthetic benchmarks. The NVIDIA GeForce RTX 5080 Mobile scores 4,952 in 3DMark Steel Nomad DX12, which is a demanding next-generation test. In Geekbench, it achieves 166,986 in OpenCL and 169,754 in Vulkan, showing solid compute performance across different APIs. PassMark G3D score reaches 27,711, with GPU compute at 12,134. The DirectX 11 score of 253 and DirectX 12 score of 116 are lower on the PassMark scale but represent different test methodologies.

The GPU's average benchmark score is 38,349, placing it at the 81st percentile among all GPUs. Its nearest rivals are interesting: the NVIDIA GeForce MX570 (38,299, +0.1%) and RTX 4080 Mobile (38,135, +0.6%) are essentially tied, while the MX570 A (38,691, -0.9%) and AMD Radeon Pro 580X (38,706, -0.9%) sit slightly ahead. The near-tie with the RTX 4080 Mobile is notable — it suggests the RTX 5080 Mobile offers comparable performance to the previous generation's flagship mobile GPU, which may reflect thermal or power constraints in laptop chassis rather than raw architectural capability.

When combining both components, the system sits at the 89th combined percentile, indicating that this pairing outperforms the vast majority of laptop configurations in the database. The CPU's 96th percentile is higher than the GPU's 81st percentile, which hints at an imbalance: the processor is relatively stronger than the graphics card. This means the GPU is more likely to be the limiting factor in gaming and GPU-accelerated workloads, while the CPU has headroom for multi-threaded tasks.

Balance and Bottleneck

The data reveals a clear performance hierarchy: the Ryzen 9 9955HX is a top-4% CPU, while the RTX 5080 Mobile is a top-19% GPU. This 15-percentage-point gap suggests the CPU is the more capable component in absolute terms. In gaming scenarios, this typically means the GPU will be the bottleneck at lower resolutions where CPU frame generation is less stressed, but the GPU's raw throughput will still deliver high frame rates. At higher resolutions, the GPU becomes even more dominant as the limiting factor, while the CPU's strong single-thread performance ensures it won't hold back frame pacing.

For productivity workloads, the CPU's 96th percentile ranking means it can handle almost any multi-threaded task — video encoding, 3D rendering, compilation — without breaking a sweat. The GPU's 81st percentile still places it well above average, but it is the weaker link for GPU-compute tasks like CUDA-accelerated rendering or machine learning inference. The PassMark GPU compute score of 12,134, while respectable, is relatively modest compared to the CPU's multi-thread score of 56,171, reinforcing that this system is CPU-centric in its compute balance.

The 89th combined percentile confirms that, despite the GPU being the weaker partner, the overall system is still exceptionally fast. The 3DMark Steel Nomad score of 4,952 indicates strong DX12 gaming performance, but the gap between CPU and GPU percentiles means users who prioritize GPU-heavy workloads — such as 4K gaming with ray tracing or GPU rendering — will see the RTX 5080 Mobile as the ceiling.

Who Should Build It

This pairing targets users who need a laptop with elite multi-threaded CPU performance and very good — but not class-leading — GPU performance. Content creators who work with 4K video editing, 3D modeling, and software compilation will benefit most from the CPU's 96th percentile ranking and 16-core/32-thread configuration. The 37,159 Cinebench R23 multi-core score is indicative of a machine that can render complex scenes or export long videos without stalling.

Developers compiling large codebases will appreciate the CPU's integer math score of 212,598 and data compression score of 731,998, which translate to faster build times and quicker package management. Students and professionals in engineering or scientific fields will find the ECC memory support and 64 MB L3 cache valuable for simulation workloads. The CPU's single-thread score of 4,393 in PassMark ensures that even lightly-threaded office applications feel instant.

Gamers at 1440p or 4K resolutions will find the RTX 5080 Mobile sufficient for high settings in most titles, though those seeking maximum frame rates at 1080p may be better served by a more balanced pairing. The CPU's 96th percentile means it will never be the bottleneck in gaming, even in CPU-intensive titles like strategy games or simulators. Small business workstations handling databases, virtualization, or financial modeling will also benefit from the 32 threads and fast memory bandwidth.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination — the database contains no measuredFpsUltraByGame rows for this pairing. All frame rate expectations discussed here are estimates derived from the benchmark scores, not empirical measurements.

Based on the 3DMark Steel Nomad DX12 score of 4,952 and the GPU's 81st percentile ranking, the RTX 5080 Mobile should deliver high frame rates at 1080p and 1440p in most modern titles at ultra settings. The 16 GB GDDR7 memory with 896.0 GB/s bandwidth provides ample headroom for high-resolution textures and ray tracing workloads. The GPU's 23.04 TFLOPS FP32 compute and 60 RT cores suggest strong ray tracing performance, though the 81st percentile indicates it is not the fastest mobile GPU available.

At 4K resolution, the GPU will likely be the limiting factor, with frame rates dropping below the 1440p experience. The CPU's strong single-thread performance (2,174 in Cinebench R23 single-core) ensures that frame pacing remains smooth even in CPU-bound scenarios. In esports titles, which are typically CPU-light, the system should easily exceed 100 FPS at 1080p, while in AAA titles at 4K ultra, frame rates may hover around 60 FPS depending on the game's optimization. These are estimates based on the benchmark data, and actual performance will vary by title and laptop thermal design.

Usage Scenarios

High-refresh gaming: The RTX 5080 Mobile's 4,952 Steel Nomad score and 81st percentile ranking indicate strong performance for 1440p high-refresh gaming, though the GPU will be the constraint in demanding titles at higher resolutions. The CPU's 96th percentile ensures no bottleneck.

Streaming: The CPU's 16 cores and 32 threads, with a 37,159 Cinebench R23 multi-core score, provide ample headroom for simultaneous game encoding and streaming. The GPU's NVENC capabilities (not separately benchmarked but implied by the architecture) would offload encoding, but the CPU can handle x264 encoding at faster presets without impacting gameplay significantly.

Video editing: The CPU's data compression score of 731,998 and floating-point math of 136,682 accelerate video encoding and effects processing. The GPU's 16 GB VRAM and 896.0 GB/s bandwidth handle 4K timelines and GPU-accelerated effects smoothly.

3D rendering: With 23.04 TFLOPS FP32 and 60 RT cores, the GPU accelerates ray-traced renders, while the CPU's 56,171 PassMark multi-thread score handles CPU-based render engines. The 64 MB L3 cache reduces memory stalls in complex scenes.

Software development: The CPU's integer math score of 212,598 and 32 threads make compilation fast, while the large L3 cache speeds up incremental builds. The GPU's compute capability (12,134 PassMark GPU compute) accelerates parallel workloads like test automation.

Student and office work: Overkill for basic tasks, but the single-thread score of 4,393 ensures instant responsiveness in browsers and office suites. The 55 W CPU TDP and integrated Radeon 610M provide efficient idle operation for battery life.

FAQ

Q: Does this laptop support ECC memory?

A: Yes, the AMD Ryzen 9 9955HX supports ECC memory, which is uncommon in mobile platforms and valuable for professional workloads requiring data integrity.

Q: What is the CPU's memory bandwidth?

A: The CPU supports dual-channel DDR5 memory with a theoretical bandwidth of 89.6 GB/s.

Q: How does the CPU compare to the Intel Core Ultra 7 270K Plus?

A: The Ryzen 9 9955HX averages 91,199 in benchmark scores, which is 2.8% lower than the Intel Core Ultra 7 270K Plus (93,785) and the Intel Xeon 6520P (93,786).

Q: What PCIe version does the platform support?

A: The CPU supports PCIe Gen 5 with 28 lanes (CPU only), and the GPU uses a PCIe 5.0 x16 interface.

Q: Is the GPU's performance comparable to the RTX 4080 Mobile?

A: Yes, the RTX 5080 Mobile averages 38,349 in benchmarks, which is 0.6% higher than the RTX 4080 Mobile (38,135), making them effectively tied in performance.

Q: What is the GPU's memory size and type?

A: The RTX 5080 Mobile features 16 GB of GDDR7 memory on a 256-bit bus with 896.0 GB/s bandwidth.

Q: Does the CPU have integrated graphics?

A: Yes, the Ryzen 9 9955HX includes the Radeon 610M integrated GPU, which can handle basic display output and light tasks when the discrete GPU is not in use.

Upgrade Path and Platform

The CPU uses AMD Socket FL1, which is specific to the Fire Range mobile platform. The memory support is DDR5 in dual-channel configuration, and the platform supports PCIe Gen 5 with 28 CPU lanes. The GPU is an integrated part of the laptop (slot width is IGP, power connectors are none), meaning neither the CPU nor GPU can be upgraded in a traditional sense — this is a sealed mobile platform.

The CPU's TDP is 55 W, and the GPU's TDP is 80 W, totaling 135 W for the core components. The suggested PSU is not specified in the data, but the power connectors for the GPU are listed as "None," indicating the GPU draws power from the motherboard rather than external connectors. This limits the platform's ability to support higher-power GPUs in the same chassis. The GPU's predecessor is the GeForce 40 Mobile series, suggesting that a future upgrade would require a new laptop with a newer generation GPU, as the socket and power delivery are fixed.

For users seeking more performance, the only practical upgrade path is to the next generation of mobile platforms, as both the CPU socket and GPU form factor are proprietary to this laptop design. The CPU's multiplier is unlocked (multiplierUnlocked: true), which may allow for overclocking in some laptop BIOS implementations, though the 55 W TDP limits headroom. The 4 nm process node and 5.40 GHz boost clock suggest the chip is already running near its thermal limits in a laptop chassis.

Build Overview

This is a laptop-class build (buildClass: "laptop") pairing the AMD Ryzen 9 9955HX with the NVIDIA GeForce RTX 5080 Mobile. The combined system sits at the 89th percentile among all CPU+GPU combinations, placing it in the upper tier of high-performance laptops. The CPU is a top-tier mobile processor with 16 cores and 32 threads, while the GPU is a high-end mobile graphics solution with 16 GB of GDDR7 memory. This is not a desktop replacement in the traditional sense — it is a mobile workstation-class laptop designed for professionals and enthusiasts who need both CPU and GPU performance on the go.

The system's overall tier is defined by the CPU's 96th percentile and the GPU's 81st percentile, with the combined percentile of 89 reflecting the balance between the two. Users should view this as a CPU-first system with strong GPU capabilities, rather than a GPU-first gaming laptop. The 16:32 core configuration and 64 MB L3 cache make it ideal for productivity, while the RTX 5080 Mobile ensures it can handle modern games at high settings. The lack of measured FPS data means real-world gaming performance is estimated from synthetic benchmarks, but the 3DMark Steel Nomad score of 4,952 and PassMark G3D score of 27,711 indicate a very capable gaming machine.

GPU Analysis

The NVIDIA GeForce RTX 5080 Mobile is built on the Blackwell 2.0 architecture using the GB203 chip, manufactured on TSMC's 5 nm process with 45,600 million transistors on a 378 mm² die. The GPU features 7,680 shading units, 240 texture mapping units, and 96 ROPs, delivering a pixel rate of 144.0 GPixel/s and a texture rate of 360.0 GTexel/s. The FP32 compute is rated at 23.04 TFLOPS, with FP16 at the same 23.04 TFLOPS (1:1 ratio), meaning no half-rate FP16 penalty for AI workloads.

The memory subsystem is a 16 GB GDDR7 configuration on a 256-bit bus, providing 896.0 GB/s of bandwidth. This is a substantial VRAM pool that supports high-resolution textures and large datasets, though the 81st percentile ranking suggests the GPU is not the fastest mobile option available. The 60 RT cores and 240 tensor cores provide ray tracing and AI acceleration, respectively, and the GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 APIs.

Benchmark results show a GPU that performs well in compute and graphics tasks. The 3DMark Steel Nomad DX12 score of 4,952 is a strong result for a mobile GPU, indicating good DX12 gaming performance. Geekbench OpenCL (166,986) and Vulkan (169,754) scores are closely matched, suggesting consistent compute performance across APIs. The PassMark G3D score of 27,711 places it in the upper quartile, while the GPU compute score of 12,134 is more modest. The near-tie with the RTX 4080 Mobile (38,135 vs. 38,349) is the most significant data point — it suggests the RTX 5080 Mobile offers incremental gains over the previous generation rather than a generational leap, possibly due to power constraints in mobile form factors. The GPU's TDP of 80 W is relatively low for its performance class, which may explain why it does not decisively outpace its predecessor.

Rate My PC: AMD Ryzen 9 9955HX + NVIDIA GeForce RTX 5080 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 9 9955HX

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

CPU Analysis

Benchmark Performance

Balance and Bottleneck

Who Should Build It

Gaming Performance

Usage Scenarios

FAQ

Upgrade Path and Platform

Build Overview

GPU Analysis

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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