SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 8945HX + NVIDIA GeForce RTX 5090 Mobile

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

Build Configuration

Select your components

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

96%

PROCESSOR

AMD Ryzen 9 8945HX

76,212 Benchmark Score

Top 3% Market Ranking

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GRAPHICS CARD

NVIDIA GeForce RTX 5090 Mobile

45,152 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 8945HX and NVIDIA GeForce RTX 5090 Mobile pairing represents a flagship laptop configuration, combining a 16-core Zen 4 processor with NVIDIA's top-tier Blackwell mobile GPU. This combination places in the 90th percentile overall among all tested CPU+GPU pairs, with measured frame rates across 41 titles confirming its position as a high-end mobile gaming and workstation platform. The data shows a system engineered for maximum performance, though the specific balance between its components reveals distinct strengths and limitations depending on the workload.

Gaming Performance

The measured FPS data at ultra settings demonstrates a clear 1080p-first design. At 1920x1080, the system delivers exceptional esports performance, with Counter-Strike: Global Offensive hitting 590 FPS, Valorant reaching 489 FPS, and Counter-Strike 2 achieving 267 FPS. Tom Clancy's Rainbow Six Siege posts 317 FPS, while Roblox runs at 345 FPS. These figures confirm the pairing is more than capable of driving high-refresh-rate panels at full HD resolution.

Moving to 2560x1440, the system remains highly playable across most titles. Valorant still achieves 464 FPS, and Counter-Strike: Global Offensive drops to 406 FPS, but still far exceeds typical monitor refresh rates. More demanding AAA titles like Call of Duty: Warzone manage 135 FPS, and Overpower runs at 95 FPS. Cyberpunk 2077, one of the most demanding games, drops to 59 FPS at 1440p, which is borderline for smooth gameplay without upscaling. Barony, Inside, and To The Core all hold above 140 FPS at this resolution.

At 3840x2160, the RTX 5090 Mobile begins to show its limits. Only Counter-Strike: Global Offensive (240 FPS), Valorant (417 FPS), and Roblox (130 FPS) remain comfortably above 100 FPS. Call of Duty: Warzone stays playable at 114 FPS, but Cyberpunk 2077 falls to 39 FPS, and Control drops to 57 FPS. The Medium is the most demanding title in the dataset, producing just 56 FPS at 1080p, 47 FPS at 1440p, and 37 FPS at 4K. This pattern indicates that 4K ultra gaming is possible for lighter titles but not for the heaviest AAA releases without significant compromises.

The overall pair rank of 700 out of 3861 pairs, with an average FPS of 174 across all tested games, places this configuration in the top 18% of all recorded pairings. The scaling from 1080p to 1440p is generally linear, but the drop to 4K is steep for graphically intensive games, suggesting the CPU can feed the GPU adequately but the GPU itself has finite rasterization headroom at ultra settings.

Benchmark Performance

The CPU benchmark scores paint a picture of a high-end mobile processor. The Ryzen 9 8945HX achieves a Cinebench R23 multi-core score of 42713 and a single-core score of 6030. Its average benchmark score of 76212 places it in the 95th percentile of all CPUs. The nearest rival is the Intel Core Ultra 9 285HX, which scores 76155, a delta of just 0.1% — effectively a statistical tie. The AMD EPYC Embedded 8224P and AMD Ryzen Threadripper PRO 9945WX both trail by 0.4%, while the AMD Ryzen 9 9950X3D leads by 0.6%. This places the 8945HX in a tight pack of elite processors where no meaningful performance gap exists.

The GPU benchmark results are more mixed. The RTX 5090 Mobile scores 5871 in 3DMark Steel Nomad DX12 and 30034 in Passmark G3D, with a percentile ranking of 84 against all GPUs. Its average benchmark score is 45152. The nearest rival list includes the AMD Radeon Pro 5500 XT (45384, 0.5% ahead), NVIDIA GeForce RTX 4070 Ti (44795, 0.8% behind), Intel Arc A730M (45592, 1% ahead), and NVIDIA RTX 5880 Ada Generation (45972, 1.8% ahead). This is surprising: the RTX 5090 Mobile, despite being the flagship mobile GPU, scores within 2% of desktop-class mid-range cards in synthetic benchmarks. The combined picture suggests the CPU is a top-5% performer while the GPU, though strong, is only top-16% in the broader GPU landscape.

Balance and Bottleneck

The data reveals an asymmetric pairing. The CPU's 95th percentile ranking versus the GPU's 84th percentile indicates the processor is the stronger component relative to its peer group. In gaming, the FPS scaling from 1080p to 1440p is generally smooth, with most titles losing about 30-40% of their frame rate. However, the drop from 1440p to 4K is often more severe, with some titles like Cyberpunk 2077 losing 34% of their 1440p frame rate. This pattern suggests the GPU becomes the primary bottleneck at higher resolutions.

In CPU-bound scenarios, the 16-core/32-thread configuration shines. The Passmark multithread score of 51405 and Cinebench R23 multi-core of 42713 indicate the CPU can handle heavily threaded workloads without breaking a sweat. The data compression score of 677755 and floating-point math score of 117453 confirm strong computational throughput. Conversely, the GPU's Passmark DirectX 12 score of 138 is notably low, suggesting that in pure compute or API-specific tests, the mobile GPU does not match its desktop counterparts.

The bottleneck analysis is clear: at 1080p and 1440p, the CPU often has headroom to spare, as evidenced by high frame rates in esports titles that are typically CPU-limited. At 4K, the GPU's rasterization limits become the constraining factor. For productivity workloads, the CPU is unlikely to bottleneck any real-world task, while the GPU's 31.8 TFLOPS FP32 performance is sufficient for most creative applications but not class-leading.

Who Should Build It

This laptop configuration targets gamers who prioritize high-refresh 1080p or 1440p gaming over 4K. The measured FPS shows that a 240Hz 1080p panel can be fully utilized in titles like CS:GO and Valorant, while a 144Hz 1440p panel works well for most AAA games. Content creators working with video editing or 3D rendering will benefit from the CPU's top-5% multi-core performance, particularly in Cinebench R20 and R23 workloads. Software developers compiling large codebases will find the 16 cores and 32 threads advantageous, supported by the strong Passmark integer math score of 195180.

Students and small business users are also well-served, but the system is overkill for basic office tasks. The integrated Radeon 610M provides a fallback for low-power scenarios, but the discrete GPU is the primary workhorse. The 24 GB GDDR7 VRAM makes this suitable for GPU-accelerated machine learning or large dataset visualization, though the GPU's synthetic benchmarks suggest it is not the fastest available. The 95th percentile CPU ranking makes this an excellent choice for workstation-class mobile computing.

CPU Analysis

The AMD Ryzen 9 8945HX is built on the Zen 4 architecture using TSMC's 5 nm process, with a transistor count of 13,140 million across a dual-chiplet design of 2x 71 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 64 MB L3 cache and 1 MB L2 per core provide ample capacity for demanding workloads. Memory support is dual-channel DDR5 with a bandwidth of 83.2 GB/s, which is adequate but not exceptional for a flagship mobile part.

The benchmark scores show exceptional multi-threaded capability. The Cinebench R23 multi-core score of 42713 is nearly double that of many desktop processors from a few years ago, while the single-core score of 6030 ensures fast responsiveness in lightly threaded applications. The Passmark data compression score of 677755 and encryption score of 40836 indicate strong performance in data-intensive tasks. The remarkable finding is the 95th percentile ranking, which places this mobile CPU among the top 5% of all processors ever tested, including desktop parts.

The 55 W TDP is surprisingly low for a 16-core part, suggesting the boost clock of 5.40 GHz is achieved with careful power management. The unlocked multiplier allows for enthusiast tuning, though in a laptop chassis, thermal headroom will dictate how much additional performance is available. The socket is AMD Socket FL1, indicating this is a mobile-specific package.

Usage Scenarios

High-refresh gaming: At 1080p, the system delivers 590 FPS in CS:GO and 489 FPS in Valorant, making it ideal for competitive players with 360Hz or 500Hz monitors. At 1440p, 142 FPS in Barony and 135 FPS in Warzone keep gameplay smooth on 144Hz panels.

Streaming: The 16-core CPU provides ample headroom for simultaneous gaming and encoding. The Cinebench R23 multi-core score of 42713 ensures that x264 encoding at high presets will not create frame drops, while the GPU's 82 RT cores and 328 tensor cores can handle NVENC offloading.

Video editing: The CPU's 117453 floating-point math score and 195180 integer math score accelerate timeline operations and effect processing. The GPU's 24 GB VRAM allows for large 4K or 8K project files to reside in memory, and the 896 GB/s memory bandwidth ensures fast data movement.

3D rendering: Cinebench R20 multi-core of 17939 and R23 of 42713 indicate strong CPU-based rendering, while the GPU's 31.8 TFLOPS FP32 and 31.8 TFLOPS FP16 support GPU-accelerated renderers. The 82 RT cores handle ray-traced scenes, though the Passmark DirectX 12 score of 138 suggests API overhead may limit some workloads.

Software development: The 32 threads and 64 MB L3 cache speed up compilation and parallel builds. The Passmark find prime numbers score of 262 and random string sorting of 78781 indicate solid integer performance for algorithms and data processing.

Student and office work: The system is far more powerful than needed for these tasks. The single-core score of 6030 ensures snappy application launches, and the integrated Radeon 610M provides a low-power option for battery saving. The 95th percentile CPU ranking means it will handle any academic or business software without issue.

GPU Analysis

The NVIDIA GeForce RTX 5090 Mobile is built on the Blackwell 2.0 architecture using TSMC's 5 nm process, with 45,600 million transistors on a 378 mm² die. It features 10496 shading units, 328 TMUs, and 112 ROPs, with 82 RT cores and 328 tensor cores. The 24 GB of GDDR7 memory operates on a 256-bit bus, delivering 896 GB/s of bandwidth. The base clock is 990 MHz with a boost of 1515 MHz, and memory runs at 1750 MHz (28 Gbps effective).

The benchmark scores show a nuanced picture. The 3DMark Steel Nomad score of 5871 is strong for a laptop GPU, and the Geekbench OpenCL score of 201834 confirms good compute capability. However, the Passmark DirectX 12 score of 138 is low, and the G3D score of 30034, while respectable, places the GPU in the 84th percentile. The nearest rivals include desktop cards like the RTX 4070 Ti, which scores nearly identically (44795 vs 45152 average). This suggests the mobile RTX 5090 performs like a desktop mid-range card rather than a flagship.

The 31.8 TFLOPS FP32 and 31.8 TFLOPS FP16 (1:1) performance is well-suited for AI inference and machine learning workloads, enhanced by the 328 tensor cores. The 169.7 GPixel/s pixel rate and 496.9 GTexel/s texture rate provide solid rasterization throughput. The 896 GB/s memory bandwidth is crucial for high-resolution textures and large datasets. The 95 W TDP is modest for the performance delivered, and the IGP slot width means it is soldered to the motherboard without replaceable power connectors.

FAQ

Q: What is the overall performance tier of this CPU+GPU pairing?

A: The combined percentile is 90, placing it in the top 10% of all tested laptop configurations. The pair ranks 700th out of 3861 pairs with an average FPS of 174 across all games.

Q: How does the CPU compare to its nearest rival?

A: The Ryzen 9 8945HX scores 76212 on average, which is 0.1% higher than the Intel Core Ultra 9 285HX (76155). It trails the AMD Ryzen 9 9950X3D by 0.6% and the AMD EPYC Embedded 8224P by 0.4%.

Q: How much VRAM does the RTX 5090 Mobile have?

A: The GPU has 24 GB of GDDR7 memory on a 256-bit bus, providing 896 GB/s of bandwidth. This is suitable for large textures and datasets.

Q: What resolution is best for gaming on this system?

A: The measured FPS shows 1080p is ideal for high-refresh gaming (590 FPS in CS:GO), 1440p is excellent for AAA titles (135 FPS in Warzone), and 4K is only viable for lighter games (417 FPS in Valorant, 114 FPS in Warzone).

Q: What is the CPU's architecture and process node?

A: The Ryzen 9 8945HX uses the Zen 4 architecture (Dragon Range) on TSMC's 5 nm process, with 13,140 million transistors across a dual-chiplet 2x 71 mm² design.

Q: Does the GPU support modern APIs?

A: Yes, it supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, along with PCIe 5.0 x16 connectivity.

Q: What is the CPU's memory bandwidth?

A: The dual-channel DDR5 memory provides 83.2 GB/s of bandwidth, which is adequate for a 16-core mobile processor.

Build Overview

This build pairs the AMD Ryzen 9 8945HX with the NVIDIA GeForce RTX 5090 Mobile in a laptop form factor. The CPU is a 16-core, 32-thread Zen 4 Dragon Range processor with a 5.40 GHz boost clock, ranking in the 95th percentile of all CPUs. The GPU is a Blackwell 2.0 mobile part with 24 GB GDDR7, ranking in the 84th percentile of all GPUs. The combined system sits in the 90th percentile of all laptop configurations, making it a top-tier mobile workstation and gaming platform. The CPU is the standout component, matching or beating desktop-class processors, while the GPU delivers desktop mid-range performance in a mobile package. The overall tier is high-end, suited for gamers who prioritize 1080p/1440p high-refresh gaming and professionals needing extreme multi-core compute power.

Rate My PC: AMD Ryzen 9 8945HX + NVIDIA GeForce RTX 5090 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 9 8945HX

NVIDIA GeForce RTX 5090 Mobile

Market Position

Game Performance Benchmarks

Counter-Strike: Global Offensive

Valorant

Counter-Strike: Global Offensive

Counter-Strike: Global Offensive

Valorant

Valorant

Performance Insights

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

Gaming Performance

Benchmark Performance

Balance and Bottleneck

Who Should Build It

CPU Analysis

Usage Scenarios

GPU Analysis

FAQ

Build Overview

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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