SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 8945HX + NVIDIA GeForce RTX 4090 Mobile

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

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%
VS
GPU
96%
PROCESSOR

AMD Ryzen 9 8945HX

76,212 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
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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.

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

Balance and Bottleneck

The AMD Ryzen 9 8945HX paired with the NVIDIA GeForce RTX 4090 Mobile presents an unusually well-matched combination for a laptop platform. The CPU's 16 cores and 32 threads, built on the Zen 4 architecture, deliver a Cinebench R23 multi-core score of 42713, placing it in the 95th percentile among all CPUs. The GPU, meanwhile, posts a Passmark G3D score of 27212, sitting in the 84th percentile among all GPUs. The combined percentile for this pairing is 90, which suggests the two components are closely aligned in overall capability.

Looking at the data, the CPU's average benchmark score of 76212 places it within 0.6% of the AMD Ryzen 9 9950X3D and 0.1% of the Intel Core Ultra 9 285HX. This indicates that the 8945HX is not a bottleneck in most workloads; it trades blows with the fastest desktop and mobile processors available. The GPU's average score of 43667 sits within 0.9% of the NVIDIA RTX A6000 and 0.8% of the Quadro M6000, showing that the mobile RTX 4090 is competitive with professional workstation cards.

In gaming workloads, the balance shifts depending on resolution. At 1920x1080, the average FPS across all measured games is 162.6, which is high enough that CPU overhead becomes relevant in lighter titles. For example, Counter-Strike: Global Offensive reaches 564 FPS at 1080p, while Valorant hits 489 FPS — these numbers are far beyond what the GPU alone would cap, indicating the CPU's single-thread performance (Cinebench R23 single-core score of 6030) is sufficient to feed the GPU. At 3840x2160, the GPU becomes the limiting factor; titles like Ark: Survival Ascended drop to 12 FPS, while more optimized games like Call of Duty: Warzone maintain 114 FPS.

The pairRankByFps data shows this combination ranks 893 out of 3861 pairs, with an average FPS of 162.6 across games. This rank in the top 23% of all pairs confirms that the CPU and GPU are well balanced, with neither component consistently dragging down the other. The 55W TDP of the CPU and 120W TDP of the GPU indicate that the GPU draws more power, but both are constrained by laptop thermal limits, which can create dynamic bottlenecks under sustained load.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is built on the Ada Lovelace architecture using TSMC's 5nm process, with 45,900 million transistors on a 379 mm² die. It features 16 GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The memory clock runs at 2250 MHz with 18 Gbps effective speed. The GPU operates at a base clock of 1335 MHz and a boost clock of 1695 MHz.

The compute resources include 9728 shading units, 304 TMUs, and 112 ROPs. For ray tracing, there are 76 RT cores, and for AI acceleration, 304 tensor cores. The pixel rate is 189.8 GPixel/s, and the texture rate is 515.3 GTexel/s. The FP32 and FP16 performance are both rated at 32.98 TFLOPS, with a 1:1 ratio, which is notable for workloads that can leverage mixed precision.

The benchmark scores reveal the GPU's strengths and weaknesses. The Passmark G3D score of 27212 indicates strong overall rasterization performance, placing it in the 84th percentile. The Geekbench OpenCL score of 180831 and Vulkan score of 170774 show solid compute capability. However, the Passmark DirectX 12 score of 107 and DirectX 11 score of 262 appear lower, which may reflect driver optimizations or the specific test methodology rather than raw capability. The GPU compute score of 12347 suggests that compute-heavy workloads are handled competently but not as dominantly as the rasterization results might imply.

For rendering and creative workloads, the 16 GB VRAM is a critical asset. It allows large textures, complex 3D scenes, and high-resolution video editing timelines to reside in GPU memory without spilling to system RAM. The 576.0 GB/s bandwidth supports this capacity effectively, providing enough throughput for 4K texture streaming and multi-stream video decoding. The RT cores and tensor cores enable hardware-accelerated ray tracing and DLSS, which are directly relevant to both gaming and professional rendering applications.

Usage Scenarios

High-refresh gaming: At 1920x1080, the pair delivers exceptional frame rates, with Counter-Strike 2 at 255 FPS, Valorant at 489 FPS, and Tom Clancy's Rainbow Six Siege at 304 FPS. These numbers comfortably exceed the refresh rates of most high-end laptop displays. At 2560x1440, the experience remains smooth, with Call of Duty: Warzone at 135 FPS and Control at 80 FPS, making this a strong choice for competitive and fast-paced titles.

Streaming: The combination of the CPU's 16 cores and the GPU's NVENC capabilities (implied by the Ada Lovelace architecture) provides a solid foundation. The Passmark multi-thread score of 51405 ensures that encoding and gaming can run concurrently without severe frame drops. The 95th percentile CPU performance means that software encoding is also viable, though the GPU's hardware encoders would offload this work efficiently.

Video editing: The CPU's Cinebench R23 multi-core score of 42713 and the GPU's 32.98 TFLOPS FP32 performance indicate strong timeline rendering and effect processing. The 16 GB VRAM allows for large 4K or even 8K projects to be handled in GPU memory, while the 576.0 GB/s bandwidth supports real-time scrubbing of high-bitrate footage. The Passmark floating point math score of 117453 further confirms the CPU's capability in complex filter operations.

3D rendering: The CPU's 16 cores and 32 threads, combined with the GPU's 76 RT cores, make this a capable mobile rendering workstation. Cinebench R20 multi-core score of 17939 and R15 multi-core of 4305 show sustained multi-threaded performance. The GPU's Geekbench OpenCL score of 180831 suggests strong compute for GPU-accelerated renderers like Blender Cycles or Octane.

Software development: The CPU's Passmark integer math score of 195180 and data compression score of 677755 indicate fast compilation and data processing. The 64 MB L3 cache helps with large codebases and frequent rebuilds. The single-thread score of 3907 in Passmark ensures responsive IDE interactions and quick build times for smaller projects.

Student and office work: While this is an overkill configuration for basic tasks, the Radeon 610M integrated graphics provide a fallback for light workloads that may not need the discrete GPU. The CPU's efficiency (55W TDP) means that battery life can be reasonable for document editing and web browsing, though the GPU's 120W TDP will draw significant power under load.

Who Should Build It

This pairing targets users who demand desktop-class performance in a laptop form factor. Gamers playing at 1920x1080 or 2560x1440 will find the frame rates in the measured data compelling, with esports titles exceeding 200 FPS and AAA games staying above 60 FPS at 1440p. Content creators working with 4K video, complex 3D scenes, or large datasets will benefit from the 16-core CPU and 16 GB VRAM GPU.

Software developers building large applications will appreciate the multi-threaded compilation performance, evidenced by the Passmark multi-thread score of 51405. Students in engineering or computer science programs who need to run simulations or train small models will find the CPU's 32 threads and GPU's tensor cores useful, though the power draw may require frequent charging.

Small business workstations that need to handle CAD, video editing, or data analysis will see immediate benefits from the high percentile scores. The 95th percentile CPU and 84th percentile GPU mean that this system sits near the top of the performance hierarchy, reducing wait times for rendering, encoding, or complex calculations. However, the mobile form factor means that thermal throttling may occur under sustained load, so users with continuous heavy workloads should consider the implications.

CPU Analysis

The AMD Ryzen 9 8945HX is a 16-core, 32-thread processor based on the Zen 4 architecture, codenamed Dragon Range. It is manufactured on TSMC's 5nm process with 13,140 million transistors across a dual-chiplet design with a total die size of 2x 71 mm². The base clock is 2.50 GHz, and the boost clock reaches 5.40 GHz. The TDP is rated at 55W, which is modest for a 16-core part, suggesting that sustained all-core workloads may be limited by power delivery rather than thermal headroom.

The cache hierarchy includes 64 KB of L1 per core, 1 MB of L2 per core, and 64 MB of L3 cache. This large L3 cache is beneficial for workloads that exhibit data locality, such as gaming and database operations. The memory support is dual-channel DDR5 with a bandwidth of 83.2 GB/s, which is sufficient to feed the 16 cores but may become a bottleneck in memory-intensive applications.

The benchmark scores paint a clear picture. The Cinebench R23 multi-core score of 42713 is exceptional for a mobile processor, placing it in the 95th percentile. The single-core score of 6030 is equally strong, indicating high IPC and boost clock efficiency. The Passmark tests reinforce this: integer math at 195180, floating point math at 117453, and extended instructions at 49823 all show strong performance. The data encryption score of 40836 and data compression score of 677755 suggest that security and archiving tasks are handled efficiently.

The nearest rivals provide context. The Intel Core Ultra 9 285HX scores 0.1% higher in average benchmark score, making them essentially tied. The AMD EPYC Embedded 8224P and Ryzen Threadripper PRO 9945WX are 0.4% lower, while the Ryzen 9 9950X3D is 0.6% higher. This indicates that the 8945HX is not just a mobile chip; it competes with high-end desktop and server processors in multi-threaded workloads, despite its 55W TDP.

The integrated Radeon 610M graphics provide basic display output and video decoding capabilities, though they are not intended for gaming or compute tasks. The CPU supports PCIe Gen 5 with 28 lanes, which is more than typical mobile processors, allowing for fast NVMe storage and potentially external GPU enclosures.

FAQ

Q: What is the CPU's multi-core performance compared to its nearest rival?

A: The Ryzen 9 8945HX scores 76212 in average benchmark, which is 0.1% lower than the Intel Core Ultra 9 285HX and 0.6% lower than the AMD Ryzen 9 9950X3D. It outperforms the AMD EPYC Embedded 8224P and Ryzen Threadripper PRO 9945WX by 0.4%.

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

A: The GPU features 16 GB of GDDR6 memory on a 256-bit bus, providing 576.0 GB/s of bandwidth. This allocation supports high-resolution textures and large compute workloads.

Q: What is the GPU's ray tracing capability?

A: The RTX 4090 Mobile has 76 RT cores based on the Ada Lovelace architecture, which enables hardware-accelerated ray tracing. The Passmark G3D score of 27212 reflects strong overall rendering performance, though specific RT benchmarks are not provided.

Q: Is this a desktop or laptop build?

A: This is a laptop build, as indicated by the build class. The CPU's 55W TDP and the GPU's 120W TDP are consistent with mobile components, and the GPU's slot width is listed as "IGP".

Q: What memory type does the CPU support?

A: The CPU supports dual-channel DDR5 memory with a bandwidth of 83.2 GB/s. ECC memory is not supported.

Q: What is the CPU's boost clock speed?

A: The boost clock is 5.40 GHz, with a base clock of 2.50 GHz. This 2.9 GHz boost range allows the CPU to scale from power-efficient operation to high-performance single-threaded tasks.

Q: How does the GPU's compute performance compare to professional workstation cards?

A: The GPU's average benchmark score of 43667 is 0.9% lower than the NVIDIA RTX A6000 and 0.8% higher than the Quadro M6000. The Geekbench OpenCL score of 180831 indicates strong compute capability for professional workloads.

Upgrade Path and Platform

The CPU uses the AMD Socket FL1, which is specific to the Dragon Range platform. This socket supports the Ryzen 9 8945HX, and given the "Active" production status, it is likely that future 8000-series or compatible processors could be installed, though the mobile form factor limits user-upgradability. The memory support is dual-channel DDR5, which is current-generation and provides a clear path for capacity upgrades.

The GPU connects via PCIe 4.0 x16, which is one generation behind the CPU's PCIe Gen 5 support. However, the GPU's 16 GB VRAM and 576.0 GB/s bandwidth are sufficient for current workloads, and the PCIe 4.0 interface does not bottleneck the GPU's performance in practical scenarios. The GPU's power connector is listed as "None", indicating it draws power from the motherboard, which is typical for mobile implementations.

The CPU's TDP is 55W, and the GPU's TDP is 120W, for a combined thermal envelope of 175W. The suggested PSU is not listed, but the total system power draw would require a robust power adapter, likely in the 200-300W range for a laptop. The PCIe Gen 5 support with 28 lanes allows for future NVMe storage upgrades that can exceed PCIe 4.0 speeds, though the practical benefit depends on the storage controller.

The upgrade path is primarily through memory and storage. The dual-channel DDR5 support means that users can increase memory capacity, and the PCIe Gen 5 lanes allow for the fastest available SSDs. For the GPU, the mobile form factor means that upgrades are not practical; users would need to purchase a new laptop to change the GPU. However, the CPU's unlocked multiplier (indicated by "multiplierUnlocked: true") suggests that overclocking may be possible if the laptop's BIOS and cooling solutions permit it.

Build Overview

This build pairs the AMD Ryzen 9 8945HX with the NVIDIA GeForce RTX 4090 Mobile in a laptop form factor. The CPU is a 16-core, 32-thread processor from the 8000 series, based on Zen 4 architecture, and the GPU is a 16 GB Ada Lovelace part with 76 RT cores. The combined performance places this system in the 90th percentile overall, with the CPU at 95th and the GPU at 84th percentiles.

The build class is "laptop", which means this is a mobile workstation or gaming laptop rather than a desktop replacement in the traditional sense. The CPU's 55W TDP and GPU's 120W TDP are characteristic of high-performance mobile components, and the system is designed to balance portability with desktop-class performance. The pairRankByFps of 893 out of 3861 pairs, with an average FPS of 162.6, confirms that this is a top-tier gaming configuration.

The overall tier is high-end, as evidenced by the 90th combined percentile. This is not a budget or mid-range system; it is designed for users who require maximum performance in a portable package. The CPU's performance is within 0.6% of the best desktop processors, and the GPU's performance is within 0.9% of professional workstation cards, making this one of the most capable laptop configurations available.

Benchmark Performance

The CPU's Cinebench R23 multi-core score is 42713, and the single-core score is 6030. These are top-tier results, placing the CPU in the 95th percentile. The Cinebench R20 scores are 17939 multi-core and 2532 single-core, while the R15 scores are 4305 multi-core and 607 single-core. The Passmark multi-thread score is 51405, and the single-thread score is 3907. The average benchmark score is 76212.

The GPU's Passmark G3D score is 27212, placing it in the 84th percentile. The Geekbench OpenCL score is 180831, and the Vulkan score is 170774. The Passmark GPU compute score is 12347. The average benchmark score is 43667.

When combined, the CPU and GPU produce an average FPS of 162.6 across all measured games, with a rank of 893 out of 3861 pairs. This means the system outperforms approximately 77% of all tested CPU+GPU combinations. The CPU's 95th percentile and GPU's 84th percentile are well-matched, with the CPU providing enough headroom to avoid bottlenecking the GPU in most scenarios. The nearest rival comparisons show that the CPU is essentially tied with the Intel Core Ultra 9 285HX, while the GPU is comparable to the RTX A6000, indicating that this pairing is competitive at the highest tier of performance.

Gaming Performance

The measured FPS data at ultra settings provides a comprehensive view of gaming performance. At 1920x1080, the system excels in esports titles: Counter-Strike: Global Offensive achieves 564 FPS, Valorant reaches 489 FPS, and Tom Clancy's Rainbow Six Siege hits 304 FPS. These numbers are well beyond the refresh rates of most laptop displays, making this ideal for competitive gaming. More demanding titles also perform well: Call of Duty: Warzone runs at 152 FPS, Doom at 190 FPS, and Minecraft at 251 FPS.

At 2560x1440, the performance remains strong but begins to show GPU limitations. Counter-Strike 2 drops to 169 FPS, while Valorant maintains 464 FPS. Warzone runs at 135 FPS, and Control at 80 FPS. The average across all games at this resolution is lower, but still playable for most titles. Some games like Ark: Survival Ascended drop to 24 FPS, indicating that the most demanding titles may require settings adjustments at 1440p.

At 3840x2160, the GPU is the clear bottleneck. Warzone runs at 114 FPS, which is playable, but many titles fall below 60 FPS. Ark: Survival Ascended drops to 12 FPS, The Medium runs at 35 FPS, and Revolution Idle at 28 FPS. However, lighter games like Valorant (399 FPS), Roblox (124 FPS), and Counter-Strike: Global Offensive (229 FPS) remain highly playable. The data shows that 4K gaming is viable for less demanding titles, but 1440p is the sweet spot for this configuration.

The dataIsMeasured field confirms that these are actual measured frame rates, not estimates. The variation across resolutions and titles demonstrates the balance between CPU and GPU: the CPU is rarely the limiting factor, while the GPU's performance scales predictably with resolution. For users with high-refresh displays, this system delivers exceptional performance at 1080p and 1440p, with 4K reserved for less demanding games or with DLSS enabled.