SYSTEM ANALYZER

Rate My PC: AMD Ryzen 9 8940HX + NVIDIA GeForce RTX 4080 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

95%

PROCESSOR

AMD Ryzen 9 8940HX

81,103 Benchmark Score

Top 3% Market Ranking

View Full Specs →

GRAPHICS CARD

NVIDIA GeForce RTX 4080 Mobile

38,135 Benchmark Score

Top 5% 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 paired with the NVIDIA GeForce RTX 4080 Mobile is a high-end laptop configuration designed to handle demanding workloads without compromise. With the CPU sitting in the 95th percentile among all processors and the GPU in the 81st percentile, this pairing targets users who need both substantial multi-core compute power and high-end graphics capability in a mobile form factor.

Usage Scenarios

High-refresh gaming: The RTX 4080 Mobile’s benchmark performance, particularly its Passmark G3D score of 24926, indicates strong 1440p and 4K gaming potential. The CPU’s single-core Cinebench R23 score of 1917 ensures that frame pacing remains consistent in titles that rely heavily on per-core performance, avoiding the CPU-bound dips that can spoil an otherwise smooth experience.

Streaming: The combination of 32 CPU threads and NVIDIA’s Ada Lovelace architecture with 232 tensor cores provides ample headroom for simultaneous game encoding and gameplay. The CPU’s Passmark multi-thread score of 49731 shows it can handle the encoding workload alongside game logic, while the GPU’s dedicated hardware handles video encoding without sacrificing rendering performance.

Video editing: The Ryzen 9 8940HX’s Cinebench R23 multi-core score of 32521 places it among the fastest mobile processors for export rendering and timeline processing. The 16-core, 32-thread configuration with 64 MB of L3 cache allows for smooth scrubbing through high-resolution footage, while the RTX 4080 Mobile’s 12 GB of GDDR6 memory provides sufficient capacity for GPU-accelerated effects and color grading.

3D rendering: The CPU’s Passmark floating-point math score of 113921 and the GPU’s compute score of 11191 indicate a balanced system for both CPU-based and GPU-accelerated rendering. The 58 RT cores on the GPU enable hardware-accelerated ray tracing, while the CPU’s high multi-core throughput ensures that scene preparation and geometry processing do not become a bottleneck.

Software development: The Passmark data compression score of 650984 and integer math score of 189221 demonstrate strong performance for code compilation, especially for large C++ or Rust projects that scale well with multi-core processors. The 32 threads allow for highly parallel build processes, and the single-thread score of 3874 ensures that interactive development tools remain responsive.

Student and office work: While this configuration is overkill for basic productivity, the Ryzen 9’s 95th percentile ranking means it handles any multitasking scenario with ease. The Passmark single-thread score of 3874 ensures snappy application launches and responsive spreadsheet operations, while the 32 threads can handle dozens of browser tabs, virtual machines, and office applications simultaneously without noticeable slowdown.

Benchmark Performance

The CPU achieves an average benchmark score of 81103, placing it in the 95th percentile of all tested processors. Its nearest rivals include the Intel Xeon w5-3535X with an average score of 81115 (0% delta), the Intel Core i9-14900KS at 81127 (0% delta), and the AMD Ryzen AI Max+ PRO 395 at 80762 (0.4% ahead). This places the 8940HX in elite desktop-class territory despite being a mobile processor.

The GPU posts an average benchmark score of 38135, landing in the 81st percentile. Its nearest rivals are the NVIDIA GeForce MX570 at 38299 (-0.4% delta), the RTX 5080 Mobile at 38349 (-0.6% delta), and the desktop RTX 4070 at 37648 (1.3% ahead). The Passmark G3D score of 24926 and Geekbench OpenCL score of 159575 confirm strong rasterization and compute performance.

The combined percentile for this CPU+GPU pairing is 88, reflecting a system where both components are above average but the CPU is significantly stronger relative to its peers than the GPU is to its own. This creates a configuration that is compute-heavy, with the processor capable of feeding even more powerful graphics hardware than what is present.

CPU Analysis

The AMD Ryzen 9 8940HX is built on the Zen 4 architecture using TSMC’s 5 nm process node, featuring 16 cores and 32 threads. The two-chiplet design, with a die size of 2x 71 mm² and 13,140 million transistors, operates at a base clock of 2.40 GHz and boosts to 5.30 GHz. The 64 MB of L3 cache, combined with 1 MB L2 per core, provides substantial data locality for multi-threaded workloads.

The Cinebench R23 multi-core score of 32521 represents a 16.9x scaling factor over the single-core score of 1917, indicating excellent thread scaling efficiency. The Passmark multi-thread score of 49731 versus single-thread of 3874 shows a similar 12.8x scaling, suggesting that workloads capable of using many threads will see near-linear performance gains.

In real workloads, the Passmark physics score of 2104 and floating-point math score of 113921 indicate strong scientific and simulation capabilities. The data encryption score of 39318 and extended instructions score of 47802 show that the CPU handles cryptographic workloads and AVX-512-style instructions effectively, making it suitable for security-sensitive applications and scientific computing tasks.

Balance and Bottleneck

The data indicates that the CPU is the stronger component relative to its peers, sitting in the 95th percentile versus the GPU’s 81st percentile. This means that in CPU-bound scenarios, such as physics simulation, strategy game AI, or video encoding, the Ryzen 9 will rarely be the limiting factor. However, in GPU-bound workloads like 4K gaming or ray-traced rendering, the RTX 4080 Mobile will determine the performance ceiling.

The Passmark G3D score of 24926 and the CPU’s Passmark multi-thread score of 49731 suggest a system where the GPU can be fully utilized in most gaming scenarios, but the CPU has enough headroom to handle background tasks simultaneously without impacting frame rates. The 0% delta between the CPU and its nearest rivals Xeon w5-3535X and Core i9-14900KS confirms that the processor is not a weak link in this configuration.

For professional workloads like 3D rendering that use both CPU and GPU, the balance is favorable: the CPU’s strong multi-core scores ensure that geometry and scene processing keep pace with the GPU’s compute capabilities. The Passmark GPU compute score of 11191 indicates that the GPU is capable of substantial parallel processing, but the CPU remains the more dominant component in this pairing.

Who Should Build It

This configuration suits power users who need desktop-class CPU performance in a laptop form factor. The 95th percentile CPU ranking makes it ideal for software developers compiling large codebases, researchers running simulations, and video editors working with 4K or 8K footage. The 32 threads and 64 MB L3 cache handle multi-threaded production workloads with ease.

Gamers targeting 1440p or 4K resolution with high refresh rates will find the RTX 4080 Mobile sufficient for most titles, though the CPU’s performance exceeds what most games require. Content creators who balance rendering with gaming will appreciate that neither component bottlenecks the other significantly.

Students in engineering or data science programs can benefit from the CPU’s Passmark math scores for MATLAB, Python, or R workloads, while the GPU supports CUDA-accelerated machine learning tasks. Small business workstations requiring virtualization, database management, or heavy spreadsheet processing will find the 32 threads and high single-thread performance well-suited.

Gaming Performance

The FACT PACK contains no measured FPS data for this exact CPU+GPU combination, so all frame rate expectations are estimates derived from component benchmark scores. The RTX 4080 Mobile’s Passmark G3D score of 24926 and Geekbench Vulkan score of 145807 suggest strong DirectX 12 and Vulkan performance, which translates to high frame rates at 1440p in most modern titles.

For competitive shooters and esports titles, the CPU’s single-thread score of 3874 and boost clock of 5.30 GHz indicate excellent frame pacing at high refresh rates. The GPU’s 80 ROPs and 232 TMUs provide sufficient fill rate for 1080p and 1440p gaming at maximum settings, with the 12 GB VRAM allowing for high-resolution texture packs without memory pressure.

At 4K resolution, the RTX 4080 Mobile’s 432.0 GB/s memory bandwidth and 24.72 TFLOPS FP32 performance suggest playable frame rates in optimized titles, though the GPU’s 81st percentile ranking indicates it will not match the highest-tier mobile GPUs. Ray-traced workloads will rely heavily on the 58 RT cores, and performance will vary significantly based on the implementation.

FAQ

Q: How does the Ryzen 9 8940HX compare to the Intel Core i9-14900KS?

A: The two processors have nearly identical average benchmark scores, with the Core i9-14900KS at 81127 and the Ryzen 9 8940HX at 81103, representing a 0% delta. This places them as direct performance equivalents despite different architectures.

Q: What is the GPU’s memory configuration?

A: The RTX 4080 Mobile features 12 GB of GDDR6 memory on a 192-bit bus, providing 432.0 GB/s of memory bandwidth. The memory operates at 2250 MHz with an effective speed of 18 Gbps.

Q: Is this CPU or GPU better relative to its peers?

A: The CPU is significantly stronger, sitting in the 95th percentile of all CPUs, while the GPU sits in the 81st percentile of all GPUs. The combined percentile for the pair is 88.

Q: Does the CPU support ECC memory?

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

Q: What socket does this CPU use?

A: The Ryzen 9 8940HX uses AMD Socket FL1, which is designed for mobile platforms. The CPU has 28 PCIe Gen 5 lanes.

Q: What are the GPU’s ray tracing capabilities?

A: The RTX 4080 Mobile has 58 RT cores and 232 tensor cores based on the Ada Lovelace architecture. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: How does the GPU compare to the desktop RTX 4070?

A: The RTX 4080 Mobile has an average score of 38135, which is 1.3% higher than the RTX 4070’s 37648. The mobile GPU outperforms the desktop card in this benchmark suite.

Upgrade Path and Platform

The CPU uses AMD Socket FL1, which is specific to the Dragon Range mobile platform. The 8000 series represents the current generation for this socket, and the CPU’s production status is active, suggesting platform longevity for this laptop class. The 28 PCIe Gen 5 lanes provide ample bandwidth for future storage and expansion devices.

Memory support includes dual-channel DDR5 with a bandwidth of 83.2 GB/s, which is the current standard for high-performance laptops. The GPU connects via PCIe 4.0 x16, which provides sufficient bandwidth for its 12 GB of GDDR6 memory. The GPU has no power connectors, indicating it draws power through the motherboard, and its 110 W TDP is typical for high-end mobile graphics.

The CPU has a 55 W TDP, and the GPU’s 110 W TDP together suggest a total system power draw that requires a substantial power adapter and robust cooling solution. The lack of a suggested PSU rating means power supply requirements are dictated by the laptop’s design. A sensible next upgrade would be to the RTX 5080 Mobile, which scores 38349 versus the 4080 Mobile’s 38135, representing a 0.6% performance improvement.

Build Overview

This is a laptop configuration combining the AMD Ryzen 9 8940HX processor with the NVIDIA GeForce RTX 4080 Mobile graphics card. The build class is explicitly laptop, so all performance metrics reflect mobile thermal and power constraints rather than desktop capabilities.

The combined percentile of 88 places this system in the upper tier of all tested configurations. The CPU’s 95th percentile ranking is exceptional for a mobile processor, while the GPU’s 81st percentile is strong but not class-leading. This creates a system where the processor outshines the graphics card in relative terms, making it more suitable for CPU-intensive professional workloads than for pure gaming dominance.

The Ryzen 9’s nearest rivals include workstation and desktop processors like the Intel Xeon w5-3535X and Core i9-14900KS, confirming that this laptop CPU competes with desktop-class hardware. The GPU’s rivals include both mobile and desktop parts, with the RTX 4070 desktop card being 1.3% slower in average score, demonstrating that this mobile GPU delivers desktop-equivalent graphics performance.

GPU Analysis

The NVIDIA GeForce RTX 4080 Mobile is built on the Ada Lovelace architecture using TSMC’s 5 nm process, with 35,800 million transistors on a 294 mm² die. The chip, designated AD104, contains 7424 shading units, 232 texture mapping units, and 80 raster operation pipelines. These specifications support a pixel rate of 133.2 GPixel/s and texture rate of 386.3 GTexel/s.

The memory subsystem consists of 12 GB of GDDR6 on a 192-bit interface with 432.0 GB/s bandwidth, running at 2250 MHz with an effective 18 Gbps data rate. The GPU operates at a base clock of 1290 MHz and boost clock of 1665 MHz, delivering 24.72 TFLOPS of FP32 performance and equal FP16 throughput with a 1:1 ratio.

For ray tracing and AI workloads, the GPU includes 58 RT cores and 232 tensor cores. The DirectX 12 Ultimate support with the 12_2 feature level ensures compatibility with the latest gaming APIs, while Vulkan 1.4 and OpenGL 4.6 provide broad software support. The Passmark DirectX 12 score of 96, DirectX 11 score of 244, and DirectX 10 score of 157 indicate strong performance across API generations, with the G3D score of 24926 confirming excellent overall 3D rendering capability.

Rate My PC: AMD Ryzen 9 8940HX + NVIDIA GeForce RTX 4080 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 9 8940HX

NVIDIA GeForce RTX 4080 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

Usage Scenarios

Benchmark Performance

CPU Analysis

Balance and Bottleneck

Who Should Build It

Gaming Performance

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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