SYSTEM ANALYZER

Rate My PC: AMD Ryzen 7 5800U + NVIDIA GeForce RTX 4090 Mobile

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

84 / 100
HIGH-END

Power Build

Top 16% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio
CPU Bottleneck
CPU
73%
VS
GPU
96%

Your CPU is limiting system performance. Consider upgrading to a faster processor to better utilize your GPU.

PROCESSOR

AMD Ryzen 7 5800U

3,369 Benchmark Score
Top 27% 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
View All Games →

Performance Insights

Tips to maximize your system

Strong Performance

Excellent for 1440p gaming. Most games will run at high/ultra settings smoothly.

Bottleneck Detected

CPU Bottleneck - Upgrading the weaker component will improve overall performance.

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

FAQ

Q: What CPU and GPU are featured in this build, and what are their respective architectures?

A: The build pairs an AMD Ryzen 7 5800U mobile processor with an NVIDIA GeForce RTX 4090 Mobile graphics card. The CPU uses AMD's Zen 3 architecture (codename Cezanne-U) on a 7 nm TSMC process, while the GPU uses NVIDIA's Ada Lovelace architecture (chip AD103) on a 5 nm TSMC process.

Q: How does the CPU's multi-threaded performance compare to its nearest rivals?

A: The Ryzen 7 5800U has an average benchmark score of 3369. It sits 0.6% above the Intel Xeon D-1587 (3350) and 1.1% above the Intel Core i7-7800X (3333), while trailing the AMD Ryzen 5 PRO 7530U by 0.7% (3394) and the AMD Ryzen Embedded V3C18I by 1.1% (3406). The deltas are all within roughly one percent, indicating closely matched performance.

Q: What is the GPU's percentile ranking among all GPUs, and what does that signify?

A: The RTX 4090 Mobile sits at the 84th percentile among all GPUs. This places it well above the median, with an average benchmark score of 43667. The data shows it is 0.8% ahead of the NVIDIA Quadro M6000 and 0.9% ahead of both the GeForce RTX 5050 Mobile and Quadro M6000 24 GB, while being 0.9% behind the RTX A6000.

Q: What memory bandwidth does the GPU have, and what is the memory configuration?

A: The RTX 4090 Mobile features 16 GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The memory clock is 2250 MHz with an effective data rate of 18 Gbps.

Q: What is the CPU's TDP and memory support?

A: The Ryzen 7 5800U has a TDP of 15 W, making it a low-power mobile processor. It supports dual-channel DDR4 memory with a bandwidth of 51.2 GB/s, and it does not support ECC memory.

Q: What is the combined percentile of this CPU+GPU pairing?

A: The combined percentile for this laptop build is 69. This indicates the pairing outperforms roughly two-thirds of all combined CPU+GPU configurations in the database, driven largely by the GPU's strong 84th percentile placing.

Q: Are there measured FPS results for this exact combination?

A: No. The FACT PACK contains no measured FPS data for this specific CPU+GPU pairing. All frame rate discussions are therefore estimates based on the individual benchmark scores of the CPU and GPU.

Upgrade Path and Platform

The AMD Ryzen 7 5800U is built on the AMD Socket FP6 platform, a mobile-specific socket. The CPU natively supports dual-channel DDR4 memory with a peak bandwidth of 51.2 GB/s. This is a notable limitation for the overall system: the CPU's memory interface is rated for DDR4, which is an older standard compared to the DDR5 memory typically paired with high-end mobile GPUs. The CPU provides PCIe Gen 3 with 8 lanes (CPU only), which is a generation behind the GPU's PCIe 4.0 x16 interface. This means the CPU's platform does not fully match the GPU's bandwidth potential on the bus side.

The RTX 4090 Mobile uses a PCIe 4.0 x16 bus interface. Since the CPU only offers PCIe Gen 3 lanes, the GPU will likely run at a reduced bus bandwidth in practice. However, the GPU's massive VRAM buffer and cache hierarchy may mitigate some of the impact in many workloads. The CPU's TDP is 15 W, while the GPU's TDP is 120 W. The FACT PACK lists no suggested PSU for this mobile configuration, and the power connector is listed as "None," which is expected for an IGP-class mobile GPU.

A sensible next upgrade on this platform would be to maximize the CPU's memory configuration, ensuring dual-channel DDR4 is populated fully to reach the 51.2 GB/s theoretical bandwidth. The CPU is not multiplier-unlocked, so overclocking is not an option. Upgrading the CPU itself would require a new motherboard and socket, as FP6 is a mobile platform. The GPU is soldered and cannot be upgraded in a laptop. Given the CPU's low 15 W TDP and the GPU's 120 W TDP, the system's power delivery is primarily dedicated to the GPU, which is the performance driver.

CPU Analysis

The AMD Ryzen 7 5800U is an 8-core, 16-thread processor based on the Zen 3 architecture, built on TSMC's 7 nm process with 10,700 million transistors on a 180 mm² die. It has a base clock of 1900 MHz and a boost clock of 4.40 GHz. The cache hierarchy includes 64 KB of L1 per core, 512 KB of L2 per core, and 16 MB of shared L3 cache. The CPU is manufactured for the mobile segment and was released in January 2021.

Benchmark results show a multi-core Cinebench R23 score of 8154 and a single-core score of 1427. In Geekbench, the multi-core score is 7132 and single-core is 1656. The CPU's average benchmark score is 3369, placing it at the 54th percentile among all CPUs. This means it is slightly above the median but not a high-end performer. Its nearest rivals are all within a 1.1% delta, indicating the 5800U is surrounded by similar-performing chips.

The multi-core scores suggest the CPU can handle moderate productivity tasks like compiling code or light video editing. The single-core score of 1427 in Cinebench R23 is modest, meaning it will not be a leader in lightly-threaded tasks like gaming physics or certain office applications. The 15 W TDP is a critical factor: the CPU is designed for efficiency, not sustained heavy loads. In real-world use, this means the CPU may throttle under extended multi-threaded workloads, but it will excel in battery-sensitive scenarios. The integrated Radeon Vega 8 graphics are present but are far outclassed by the discrete RTX 4090 Mobile.

Who Should Build It

This pairing is unusual: a low-power, efficiency-focused CPU from 2021 paired with a top-tier, high-performance GPU from 2023. The target user is someone who prioritizes GPU-accelerated tasks over CPU-bound workloads. Gamers playing at high resolutions (where the GPU is the bottleneck) will see the most benefit. The RTX 4090 Mobile's 84th percentile ranking far exceeds the CPU's 54th percentile, meaning the GPU will drive frame rates in most gaming scenarios.

Content creators who rely on GPU-accelerated rendering, such as video editors using CUDA-accelerated effects or 3D artists using ray tracing, will find the GPU's 76 RT cores and 304 tensor cores highly capable. However, those who do CPU-heavy encoding or compiling may find the 5800U limiting. Software developers working on large codebases will see multi-core Geekbench scores of 7132, which is adequate but not exceptional. Students and office workers in a laptop form factor will appreciate the 15 W CPU for battery life, but the 120 W GPU means the system draws significant power under load, negating some efficiency gains. Small business workstations that rely on GPU compute for tasks like AI inference or data visualization would benefit, provided the software is not heavily CPU-dependent.

Benchmark Performance

The CPU's average benchmark score is 3369, placing it at the 54th percentile. The GPU's average benchmark score is 43667, placing it at the 84th percentile. The combined percentile for the build is 69. The CPU's best showing is in Cinebench R23 multi-core (8154) and Geekbench multi-core (7132). Its single-core scores are 1427 (R23) and 1656 (Geekbench). The GPU's strongest results are in Passmark G3D (27212) and Geekbench OpenCL (180831). The GPU also scores 170774 in Geekbench Vulkan and 12347 in Passmark GPU Compute.

The disparity is stark. The CPU sits near the 50th percentile, while the GPU is in the top 16% of all GPUs. In the combined picture, the GPU dominates the system's overall performance profile. The CPU's nearest rival, the AMD Ryzen 5 PRO 7530U, is only 0.7% faster on average, confirming the 5800U is mid-pack. The GPU's nearest rival, the RTX A6000, is only 0.9% faster, placing the RTX 4090 Mobile in elite company. The combined percentile of 69 reflects this imbalance: the system is better than most, but the CPU drags the overall ranking below what the GPU alone would achieve.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination. All frame rate figures are estimates derived from the individual benchmark scores. The GPU's 84th percentile and 32.98 TFLOPS of FP32 performance indicate it is capable of very high frame rates at 1080p and 1440p in most titles. The CPU's 54th percentile and single-core score of 1427 (Cinebench R23) suggest it may bottleneck in CPU-intensive scenes, particularly at lower resolutions where frame rates are extremely high.

At 4K resolution, the GPU will be the primary limiter, and the CPU's lower single-core performance will be less impactful. Expect the RTX 4090 Mobile to deliver playable to high-refresh experiences at 4K in most games, with the CPU potentially causing frame pacing issues in titles with heavy physics or AI. At 1080p, the CPU's 4.4 GHz boost clock and 8 cores may still hold back the GPU, especially in esports titles where the GPU could otherwise push hundreds of frames per second. The 16 GB VRAM is ample for current titles at any resolution with ultra textures. Given the GPU's 189.8 GPixel/s pixel rate and 515.3 GTexel/s texture rate, the raw throughput is massive; the bottleneck is the CPU.

GPU Analysis

The NVIDIA GeForce RTX 4090 Mobile is built on the Ada Lovelace architecture with the AD103 chip, manufactured on a 5 nm TSMC process with 45,900 million transistors on a 379 mm² die. It has 9728 shading units, 304 TMUs, 112 ROPs, 76 RT cores, and 304 tensor cores. The base clock is 1335 MHz with a boost clock of 1695 MHz. The GPU features 16 GB of GDDR6 memory on a 256-bit bus, achieving 576.0 GB/s of bandwidth.

The FP32 performance is 32.98 TFLOPS, with FP16 at 32.98 TFLOPS (1:1 ratio). The pixel rate is 189.8 GPixel/s and texture rate is 515.3 GTexel/s. Benchmark scores are impressive: Passmark G3D at 27212, Geekbench OpenCL at 180831, and Geekbench Vulkan at 170774. The GPU's average score of 43667 places it at the 84th percentile, with nearest rivals all within 0.9%.

The 76 RT cores make this a formidable ray tracing GPU, and the 304 tensor cores provide strong AI acceleration for DLSS and other neural network workloads. The 576.0 GB/s bandwidth is sufficient for high-resolution textures and complex scenes. For rendering workloads like 3D animation or video effects, the GPU's compute power will dramatically outperform the CPU. The 16 GB VRAM is a key advantage, allowing large scenes and multiple high-resolution textures without out-of-memory errors. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, ensuring compatibility with modern graphics APIs.

Build Overview

This is a laptop-class build (buildClass: "laptop") that combines a 2021 low-power CPU with a 2023 high-end GPU. The combined percentile is 69, meaning it outperforms 69% of all database configurations. The CPU is AMD's Ryzen 7 5800U, an 8-core Zen 3 processor with a 15 W TDP, while the GPU is NVIDIA's RTX 4090 Mobile, a 120 W Ada Lovelace part with 16 GB VRAM.

The pairing is inherently unbalanced. The CPU is a mid-range part at the 54th percentile, while the GPU is a top-tier part at the 84th percentile. The system's overall tier is "above average," but the GPU carries the weight. In tasks that are purely GPU-bound, this system will perform like a high-end desktop replacement. In CPU-bound tasks, it will feel like a mainstream ultrabook. The 7 nm CPU process versus the 5 nm GPU process highlights the generational gap. The CPU's DDR4 memory support and PCIe Gen 3 lanes are legacy features compared to the GPU's modern architecture.

Balance and Bottleneck

The data clearly shows the GPU is the dominant component. The CPU's 54th percentile versus the GPU's 84th percentile creates a significant bottleneck in CPU-limited scenarios. In gaming, this means that at lower resolutions (1080p), the CPU may limit frame rates, while at higher resolutions (1440p or 4K), the GPU becomes the limiter, and the full power of the RTX 4090 Mobile is utilized.

In productivity tasks, the balance shifts. Multi-threaded CPU benchmarks like Cinebench R23 (8154) are mid-range, while GPU compute scores like Passmark GPU Compute (12347) are high. For workloads like video encoding (if using NVENC), the GPU will excel. For tasks like code compilation or spreadsheet analysis, the CPU will be the limiting factor. The CPU's 51.2 GB/s memory bandwidth is also a potential bottleneck for GPU data transfers, as the GPU's own bandwidth is 576.0 GB/s. The PCIe Gen 3 lanes from the CPU further restrict data flow to the GPU, which supports PCIe 4.0.

The FPS scaling evidence (estimated) suggests that as resolution increases, the GPU's percent advantage widens, indicating the CPU bottleneck diminishes. The combined percentile of 69 is lower than the GPU's 84th, directly reflecting the CPU's drag on the overall score. For users who exclusively game at 4K or do GPU rendering, this bottleneck is acceptable. For competitive gaming at 1080p, it is a liability.

Usage Scenarios

High-refresh gaming: At 1080p, the CPU's single-core score of 1427 (Cinebench R23) may limit frame rates in esports titles, but the GPU's 32.98 TFLOPS ensures high settings are possible. At 1440p, the GPU takes over, and the system is well-suited for high-refresh monitors.

Streaming: The GPU's 304 tensor cores and NVENC encoder (implied by Ada Lovelace architecture) can handle encoding without taxing the CPU. The 16 GB VRAM allows for game capture and encoding simultaneously. The CPU's 8 cores/16 threads are sufficient for streaming overhead.

Video editing: Timeline scrubbing and effects rendering will be GPU-accelerated, with the RTX 4090 Mobile's 189.8 GPixel/s pixel rate handling 4K timelines smoothly. Export times will be limited by CPU in some codecs, but GPU-accelerated exports will be fast.

3D rendering: This is where the build shines. The 76 RT cores and 576.0 GB/s bandwidth make ray-traced renders highly efficient. The GPU's 84th percentile ensures it outperforms most desktop GPUs.

Software development: Compilation times will be moderate, with Geekbench multi-core at 7132. The 16 MB L3 cache helps with some workloads, but the 15 W TDP means sustained all-core boosts are limited.

Student and office work: The 15 W CPU is efficient for battery life, and the integrated Vega 8 graphics can handle basic display output. The GPU will be idle, making this a reasonable productivity machine, though the 120 W GPU is overkill for this use case.