SYSTEM ANALYZER

Rate My PC: AMD Ryzen 5 8540U + NVIDIA GeForce RTX 4090 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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91 Score

Top 9% Ranking

91 / 100

ULTIMATE READY

Apex Performer

Top 9% 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

87%

GPU

96%

PROCESSOR

AMD Ryzen 5 8540U

26,187 Benchmark Score

Top 13% Market Ranking

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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 pairing of an AMD Ryzen 5 8540U with an NVIDIA GeForce RTX 4090 Mobile presents an immediate and striking asymmetry. The CPU sits at the 78th percentile among all processors, while the GPU commands the 84th percentile among all graphics cards. This gap of six percentile points is modest on the surface, but the underlying benchmark scores reveal a far more lopsided relationship. The Ryzen 5 8540U’s average benchmark score of 26,187 is almost identical to that of an Intel Core i9-11900KF (26,212, a -0.1% delta) and a desktop AMD Ryzen 5 7600 (26,324, a -0.5% delta). Those are respectable mid-range desktop results. The RTX 4090 Mobile, by contrast, posts an average benchmark score of 43,667, placing it within 0.9% of an NVIDIA RTX A6000 workstation GPU and 0.8% above a Quadro M6000. That is top-tier workstation-class graphics performance.

The data indicates a clear bottleneck structure: the GPU is the dominant performance engine, while the CPU is the limiting factor in any workload that requires rapid single-thread responsiveness or heavy multi-threaded logic. The Ryzen 5 8540U’s Cinebench R23 multi-core score of 9,721.5 and single-core score of 1,714.5 are solid for a 28-watt mobile chip, but they are dwarfed by what the RTX 4090 Mobile can deliver in parallel rendering tasks. In gaming, the CPU will cap frame rates in CPU-bound scenes, especially at lower resolutions where the GPU has headroom. The PassMark single-thread score of 3,639 and multi-thread score of 18,332 suggest the CPU can feed the GPU adequately in most scenarios, but the 0.3% delta against the AMD Ryzen 5 8640HS (26,106) shows there is no hidden headroom beyond its class.

The FPS scaling evidence is absent from the data — no measured FPS rows exist for this exact combination. However, the benchmark scores imply that in GPU-bound workloads at high resolutions, the RTX 4090 Mobile will stretch its legs, while in CPU-bound scenarios like physics simulation (PassMark physics score of 1,028), the processor will throttle overall throughput. The PassMark integer math score of 57,755 and floating-point math score of 34,958 are strong indicators of compute capability, but they are not in the same league as the GPU’s 32.98 TFLOPS FP32 throughput. The bottleneck is unambiguous: the GPU wants more data than the CPU can produce in latency-sensitive tasks, while throughput-heavy tasks will be GPU-dominated.

# Usage Scenarios

High-refresh gaming: The RTX 4090 Mobile’s PassMark G3D score of 27,212 and DirectX 12 score of 107 suggest the GPU can push extremely high frame rates at 1440p and above. However, the Ryzen 5 8540U’s single-thread score of 3,639 will limit maximum FPS in esports titles where CPU speed matters most. Expect the GPU to be the star in visually demanding games, but the CPU may hold back 240Hz-class performance in lighter titles.

Streaming: The GPU’s 304 tensor cores and Ada Lovelace architecture provide robust hardware encoding capabilities. The CPU’s 6 cores and 12 threads, with a multi-thread score of 18,332, are sufficient to handle encoding offloads, but concurrent gaming and streaming may strain the processor. The PassMark data compression score of 208,619 indicates the CPU can handle stream encoding overhead without catastrophic frame drops.

Video editing: The 16 GB GDDR6 VRAM on the RTX 4090 Mobile (576.0 GB/s bandwidth) is ideal for 4K timelines and effects-heavy projects. The CPU’s Cinebench R23 multi-core score of 9,721.5 will handle basic editing tasks, but export times will be GPU-accelerated, leveraging the 32.98 TFLOPS FP32 compute. The combination is well-suited for proxy-free editing of high-bitrate footage.

3D rendering: This is where the pairing shines. The RTX 4090 Mobile’s 76 RT cores and 304 tensor cores, combined with its 84th percentile ranking, deliver near-workstation rendering performance. The CPU’s 16 MB shared L3 cache and 89.6 GB/s memory bandwidth will feed the GPU adequately in most render engines. The PassMark GPU compute score of 12,347 reinforces that the GPU is the primary render engine, while the CPU handles scene preparation and physics.

Software development: The Ryzen 5 8540U’s PassMark extended instructions score of 14,900 and data encryption score of 12,245 indicate solid compile and cryptographic performance. The 6-core/12-thread configuration with a 4.90 GHz boost clock is capable for most development workloads, though large C++ builds will favor the GPU-accelerated linking where applicable. The 78th CPU percentile places it above average for developer laptops.

Student and office work: The CPU’s PassMark single-thread score of 3,639 and the integrated Radeon 740M graphics provide more than enough power for document processing, spreadsheets, and web browsing. The 28W TDP allows for efficient battery life, while the RTX 4090 Mobile remains dormant for light tasks. The 89.6 GB/s memory bandwidth ensures snappy system responsiveness.

# Upgrade Path and Platform

The platform is anchored by the AMD Socket FP7, which is a mobile-specific socket. This means the upgrade path is limited to the laptop chassis itself — there is no desktop-style component swapping. The CPU supports DDR5 memory in dual-channel configuration, with a memory bandwidth of 89.6 GB/s. The PCIe interface is Gen 4 with 14 lanes from the CPU, while the GPU uses a PCIe 4.0 x16 interface, which is fully compatible. The system’s TDP is modest: the CPU draws 28W, and the GPU is rated at 120W, giving a combined thermal envelope of approximately 148W. There is no suggested PSU rating in the data, but the power connectors for the GPU are listed as "None," indicating it draws power through the motherboard rather than a dedicated connector.

A sensible next upgrade within this platform would be increasing memory capacity or speed, as the DDR5 bus is shared between the CPU and GPU workloads. The 16 GB VRAM on the GPU is already substantial, so system RAM (not specified in the data) would be the primary memory bottleneck for multitasking. The CPU’s production status is "Active," and it was released in December 2023, so it is a current-generation part. The GPU’s predecessor is the GeForce 30 Mobile and its successor is the GeForce 50 Mobile, both of which are noted in the data. For users seeking more CPU headroom, the nearest rival AMD Ryzen 5 8640HS (0.3% faster) suggests that within the same platform family, there is minimal performance differentiation. The real upgrade path is a full laptop replacement, as the mobile form factor precludes component-level upgrades beyond memory and storage.

# Who Should Build It

This configuration targets users who need extreme graphics performance in a laptop form factor, but who do not require top-tier CPU compute. Gamers playing at 1440p or 4K with ultra settings will benefit most from the RTX 4090 Mobile’s 84th percentile ranking, as higher resolutions shift the bottleneck to the GPU. Content creators working with GPU-accelerated renders, such as 3D artists using ray tracing or video editors leveraging hardware encoders, will find the 76 RT cores and 304 tensor cores indispensable. Developers building GPU-compute applications, such as machine learning inference or real-time graphics, can utilize the 32.98 TFLOPS FP32 throughput and 16 GB VRAM.

The Ryzen 5 8540U’s 78th percentile CPU score means this is not a workstation for heavy multi-threaded CPU rendering or large-scale compilation. Students and office workers who occasionally game or create content will find the combination overkill but functional, with the CPU’s 28W TDP enabling reasonable battery life during light tasks. Small business workstations needing CAD or 3D visualization would benefit from the GPU’s DirectX 12 Ultimate (12_2) support and 16 GB VRAM. However, the absence of ECC memory support (eccMemory: false) may be a concern for mission-critical financial or scientific workloads. The build class is explicitly "laptop," so this is a mobile workstation for professionals who need desktop-class graphics on the go.

# CPU Analysis

The AMD Ryzen 5 8540U is a 6-core, 12-thread mobile processor built on the Zen 4 architecture with the Hawk Point codename. It uses a 4nm TSMC process with 20,900 million transistors on a 137 mm² die. The base clock is 3.20 GHz with a boost clock of 4.90 GHz, and the TDP is rated at 28W. The cache hierarchy includes 64 KB L1 per core, 1 MB L2 per core, and 16 MB of shared L3 cache. Memory support is dual-channel DDR5 with 89.6 GB/s bandwidth, and the CPU integrates Radeon 740M graphics.

Benchmark results place this CPU at the 78th percentile of all CPUs, with an average benchmark score of 26,187. In Cinebench R23, it scores 9,721.5 multi-core and 1,714.5 single-core, while in Cinebench R15 it scores 1,557.5 multi-core and 253 single-core. The PassMark suite shows a multi-thread score of 18,332, a single-thread score of 3,639, and a physics score of 1,028. The integer math score is 57,755, floating-point math is 34,958, and extended instructions score 14,900. Data compression reaches 208,619, encryption hits 12,245, and random string sorting scores 24,375. Prime number finding is notably low at 69, suggesting this CPU is not optimized for that specific workload.

Compared to its nearest rivals, the Ryzen 5 8540U is essentially tied with the Intel Core i9-11900KF (-0.1% delta) and the AMD Ryzen 5 8640HS (+0.3% delta). It is 0.3% slower than the Ryzen 9 6900HX and 0.5% slower than the desktop Ryzen 5 7600. This places it firmly in the upper-mid-range of mobile processors, with performance that rivals older desktop flagships. For real workloads, this means the CPU is capable of handling modern productivity tasks, but it will not dominate CPU-bound rendering or heavy simulation workloads. The 4.90 GHz boost clock is competitive for single-threaded applications, but the 6-core limit caps multi-threaded performance.

# GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is a 5nm Ada Lovelace architecture GPU with the AD103 chip, containing 45,900 million transistors on a 379 mm² die. It has 9,728 shading units, 304 texture mapping units, and 112 raster operation pipelines. The GPU features 76 RT cores and 304 tensor cores, enabling hardware-accelerated ray tracing and AI workloads. The base clock is 1335 MHz with a boost clock of 1695 MHz, and memory runs at 2250 MHz (18 Gbps effective). The 16 GB GDDR6 memory uses a 256-bit bus, providing 576.0 GB/s of bandwidth.

Benchmark results place this GPU at the 84th percentile of all GPUs, with an average benchmark score of 43,667. In PassMark, it scores 27,212 in G3D and 12,347 in GPU compute. DirectX 12 performance scores 107, DirectX 11 scores 262, and DirectX 10 scores 173. DirectX 9 scores 310, and G2D scores 984. Geekbench results show an OpenCL score of 180,831 and a Vulkan score of 170,774.

The pixel rate is 189.8 GPixel/s, and the texture rate is 515.3 GTexel/s. FP32 performance is 32.98 TFLOPS with FP16 at the same 1:1 ratio. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Its nearest rivals include the NVIDIA Quadro M6000 (+0.8% delta), the RTX 5050 Mobile (+0.9% delta), and the RTX A6000 (-0.9% delta). This suggests the RTX 4090 Mobile delivers workstation-class rendering performance in a mobile form factor, with the 16 GB VRAM being a standout feature for large textures and datasets. The 304 tensor cores are particularly relevant for DLSS and AI-accelerated workloads.

# Benchmark Performance

The combined picture from the benchmark scores is one of extreme GPU dominance with a competent CPU. The CPU’s average benchmark score of 26,187 places it at the 78th percentile, while the GPU’s average score of 43,667 places it at the 84th percentile. The combined percentile for this pairing is 81, indicating an above-average system overall, but the gap between components is notable.

In CPU-specific benchmarks, the Cinebench R23 multi-core score of 9,721.5 and single-core score of 1,714.5 are respectable for a 28W mobile chip. The PassMark multi-thread score of 18,332 and single-thread score of 3,639 reinforce this. The GPU’s PassMark G3D score of 27,212 is nearly 1.5 times the CPU’s entire average benchmark score, highlighting the performance disparity. Geekbench OpenCL score of 180,831 and Vulkan score of 170,774 further emphasize the GPU’s compute dominance.

The nearest rival data shows the CPU is within 0.5% of a desktop Ryzen 5 7600, while the GPU is within 0.9% of an RTX A6000. This means the pairing offers desktop-class GPU performance in a laptop, but the CPU is capped at upper-mid-range mobile performance. In gaming, the GPU will be the primary driver of frame rates, while the CPU will handle game logic and physics. In productivity, the GPU accelerates rendering and compute tasks, while the CPU manages system operations and compilation. The combined percentile of 81 suggests this system outperforms 81% of all benchmarked configurations, but the bottleneck analysis shows the CPU is the limiting factor in latency-sensitive workloads.

# Build Overview

This is a laptop-class build pairing an AMD Ryzen 5 8540U mobile processor with an NVIDIA GeForce RTX 4090 Mobile GPU. The build class is explicitly "laptop," and the combined percentile is 81, meaning this system ranks in the top fifth of all benchmarked configurations. The CPU is a 6-core, 12-thread Zen 4 part with a 28W TDP, while the GPU is a 120W Ada Lovelace flagship with 16 GB VRAM. The pairing is unusual: a power-efficient mainstream CPU with an ultra-high-end mobile GPU. The data shows the GPU is the clear performance leader, with the CPU providing adequate but not exceptional support. This is a system designed for GPU-bound workloads such as high-resolution gaming, 3D rendering, and AI inference, rather than CPU-heavy tasks like software compilation or physics simulation. The 81st combined percentile indicates this is a high-tier laptop configuration, but the CPU’s 78th percentile and the GPU’s 84th percentile reveal a performance asymmetry that users should understand before purchase.

# FAQ

Q: What is the CPU’s performance tier relative to other processors?

A: The Ryzen 5 8540U ranks at the 78th percentile of all CPUs, with an average benchmark score of 26,187. It is essentially tied with the Intel Core i9-11900KF (-0.1% delta) and the AMD Ryzen 5 8640HS (+0.3% delta).

Q: How does the GPU compare to workstation-class graphics cards?

A: The RTX 4090 Mobile ranks at the 84th percentile of all GPUs, with an average benchmark score of 43,667. It is within 0.9% of the NVIDIA RTX A6000 and 0.8% above the Quadro M6000, indicating workstation-class performance.

Q: Is this laptop suitable for 4K gaming?

A: The GPU’s 16 GB VRAM and 576.0 GB/s bandwidth, combined with its 84th percentile ranking, make it well-suited for 4K gaming. However, the CPU’s 78th percentile ranking may limit frame rates in CPU-bound scenes at lower resolutions.

Q: What memory type does this system support?

A: The CPU supports dual-channel DDR5 memory with a bandwidth of 89.6 GB/s. The GPU uses 16 GB of GDDR6 memory on a 256-bit bus.

Q: Does the CPU have integrated graphics?

A: Yes, the Ryzen 5 8540U includes Radeon 740M integrated graphics, which can handle light tasks when the dedicated GPU is not needed.

Q: What is the thermal design power of this configuration?

A: The CPU has a TDP of 28W, and the GPU has a TDP of 120W, giving a combined thermal envelope of approximately 148W.

Q: How does the CPU perform in multi-threaded workloads?

A: The CPU’s Cinebench R23 multi-core score is 9,721.5, and its PassMark multi-thread score is 18,332, placing it at the 78th percentile. It is 0.5% slower than a desktop Ryzen 5 7600 in average benchmark score.

# Gaming Performance

No measured FPS data exists for this exact CPU and GPU combination — the FACT PACK contains no measuredFps rows. Therefore, all frame rate discussions are estimates derived from the benchmark scores. The GPU’s PassMark G3D score of 27,212 and DirectX 12 score of 107 suggest it can deliver high frame rates in modern titles at 1440p and 4K with ultra settings. The 16 GB VRAM and 576.0 GB/s bandwidth provide ample headroom for high-resolution textures and ray tracing. The CPU’s single-thread score of 3,639 will support frame rates up to mid-hundreds in esports titles, but may cap performance in CPU-bound scenarios. At 1080p, the CPU is more likely to be the limiting factor, as the GPU has excess headroom. At 1440p and above, the GPU becomes the primary bottleneck, which is favorable for this configuration. Users should expect strong performance in GPU-intensive games like AAA titles, with the understanding that the CPU may hold back maximum frame rates in lighter, CPU-bound games. The data indicates this is a high-refresh 1440p and 4K gaming machine, not a maximum-FPS 1080p esports platform.

Rate My PC: AMD Ryzen 5 8540U + NVIDIA GeForce RTX 4090 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 5 8540U

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

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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