SYSTEM ANALYZER

Rate My PC: AMD Ryzen 3 5425C + NVIDIA GeForce RTX 4090 Mobile

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

68 / 100
MID-RANGE

Solid Performer

Top 32% of systems. Great for 1080p Ultra or 1440p Medium gaming.

1080p Ultra1440p Med

System Balance Analysis

CPU vs GPU performance ratio
CPU Bottleneck
CPU
41%
VS
GPU
96%

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

PROCESSOR

AMD Ryzen 3 5425C

0 Benchmark Score
Top 59% 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

Solid Mid-Range

Great for 1080p gaming. Consider upgrading GPU for better 1440p performance.

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

# Balance and Bottleneck

The pairing of an AMD Ryzen 3 5425C with an NVIDIA GeForce RTX 4090 Mobile creates one of the most lopsided CPU-GPU balances in the benchmark database. The GPU sits at the 84th percentile among all graphics cards, while the CPU lands at exactly the 50th percentile — a perfectly average processor paired with a decidedly above-average graphics solution. This 34-point percentile gap signals that the processor will be the primary constraint in most GPU-bound workloads, particularly at lower resolutions where the CPU's work load is heavier relative to the GPU's rendering time.

The Ryzen 3 5425C is a 4-core, 8-thread part based on the Zen 3 architecture, running at a base clock of 2.70 GHz and a boost clock of 4.10 GHz. Its 15-watt TDP classifies it as a low-power mobile processor, designed for efficiency rather than sustained high-throughput compute. In contrast, the RTX 4090 Mobile is a 120-watt graphics solution with 9,728 shading units, 76 RT cores, and 304 tensor cores, delivering 32.98 TFLOPS of FP32 performance. The raw compute disparity is enormous: the GPU's FP32 throughput is several orders of magnitude beyond what the CPU's four cores can feed in gaming or rendering scenarios.

In gaming workloads, the bottleneck will manifest most acutely at 1080p, where frame generation is often limited by CPU draw-call processing and physics calculations. The CPU's 8 MB of shared L3 cache and 51.2 GB/s of dual-channel DDR4 memory bandwidth are modest by modern standards, and the PCIe Gen 3 x8 interface from the CPU further constrains data transfer rates to the GPU. At 1440p or 4K, the GPU becomes the limiting factor more often, but the CPU's four cores will still struggle in titles that scale beyond four threads, causing frame-time spikes and stuttering despite the GPU's raw power.

The integrated Radeon Vega 6 graphics on the CPU adds a secondary bottleneck consideration: in hybrid graphics configurations, the iGPU may handle display output and light compute tasks, but it will not meaningfully offload the RTX 4090 Mobile. Benchmark results indicate the CPU's average benchmark score is effectively zero in the database, confirming that no dedicated CPU benchmarks were recorded for this part — the data only reflects its percentile position, not a measured performance value. The combined percentile for this build is 67, which sits between the CPU's 50th and GPU's 84th percentile, reflecting a system whose overall capability is dragged down by its processor.

# Benchmark Performance

The GPU benchmark data provides the only concrete performance numbers for this build. The RTX 4090 Mobile achieves a Geekbench OpenCL score of 180,831 and a Geekbench Vulkan score of 170,774, demonstrating strong compute performance across both general-purpose and graphics APIs. In PassMark testing, the GPU scores 27,212 in G3D (DirectX graphics), 12,347 in GPU compute, and 984 in G2D (2D graphics). The DirectX legacy tests show scores of 310 for DirectX 9, 262 for DirectX 11, and 173 for DirectX 10, with DirectX 12 scoring 107 — these lower legacy scores are typical for modern architectures that prioritize current API paths.

The average benchmark score for the RTX 4090 Mobile is 43,667, placing it at the 84th percentile among all GPUs. The nearest rivals show a tightly clustered competitive field: the NVIDIA Quadro M6000 scores 43,301 (0.8% slower), the GeForce RTX 5050 Mobile scores 43,268 (0.9% slower), and the Quadro M6000 24 GB scores 43,262 (0.9% slower). The NVIDIA RTX A6000 scores 44,075, which is 0.9% faster than the RTX 4090 Mobile. This grouping indicates that the RTX 4090 Mobile sits in a performance tier where the top competitors are within a single percentage point of each other — the differences are within measurement noise.

The CPU's benchmark scores are absent from the data, with an empty benchmarks array and an average score of zero. The only CPU metric available is its 50th percentile ranking, which places it exactly at the median of all processors in the database. This is a critical caveat: the combined percentile of 67 for the build is derived from the GPU's strong showing and the CPU's mediocre position, but without CPU benchmark numbers, the full performance picture is incomplete. No measured FPS rows exist for this exact combination — the FACT PACK contains no measuredFps data, so all frame rate discussion in this analysis is estimated from the benchmark scores rather than directly measured.

# FAQ

Q: What is the CPU's performance percentile?

A: The AMD Ryzen 3 5425C sits at the 50th percentile among all CPUs, meaning it performs better than half of all processors in the database. No average benchmark score is recorded for this part.

Q: How does the RTX 4090 Mobile compare to its nearest rivals?

A: The RTX 4090 Mobile has an average benchmark score of 43,667, which is 0.8% faster than the Quadro M6000 (43,301), 0.9% faster than the RTX 5050 Mobile (43,268), and 0.9% faster than the Quadro M6000 24 GB (43,262). The RTX A6000 is 0.9% faster at 44,075.

Q: What is the combined percentile for this build?

A: The build's combined percentile is 67, which reflects a system where the GPU (84th percentile) significantly outperforms the CPU (50th percentile), pulling the overall position above the CPU's level but below the GPU's.

Q: What memory does the CPU support?

A: The Ryzen 3 5425C supports DDR4 memory in a dual-channel configuration, with a memory bandwidth of 51.2 GB/s. ECC memory is not supported.

Q: What is the GPU's TDP and power connector requirement?

A: The RTX 4090 Mobile has a TDP of 120 W and uses no external power connectors, as it is an IGP-class (integrated graphics processor) mobile solution. The suggested PSU is not specified in the data.

Q: What is the GPU's memory configuration?

A: The RTX 4090 Mobile comes with 16 GB of GDDR6 memory on a 256-bit bus, providing 576.0 GB/s of bandwidth. The memory clock runs at 2250 MHz with 18 Gbps effective speed.

Q: Is there measured FPS data for this exact CPU-GPU combination?

A: No. The FACT PACK contains no measuredFps data for this combination, so frame rates discussed in the gaming section are estimates based on benchmark scores, not direct measurements.

# Who Should Build It

This configuration targets users who prioritize graphics-intensive workloads over CPU-bound tasks. The RTX 4090 Mobile's 84th percentile GPU performance makes it suitable for gamers seeking high frame rates at 1440p or 4K resolutions, where the GPU's 32.98 TFLOPS of FP32 compute can be fully utilized. The 16 GB of GDDR6 memory with 576.0 GB/s bandwidth supports high-resolution texture packs and large asset streaming in modern titles, making this a viable platform for enthusiast gaming laptops.

Content creators working with GPU-accelerated rendering will find the RTX 4090 Mobile's 12,347 PassMark GPU compute score and 180,831 Geekbench OpenCL score useful for video encoding, 3D rendering, and machine learning inference tasks. However, the CPU's four cores and 8 threads will limit CPU-bound stages of these workflows, such as scene preparation, physics simulation, and code compilation. The 50th percentile CPU ranking means this system is best suited for users whose workflow is predominantly GPU-accelerated rather than CPU-heavy.

Students and small business users running office productivity applications, web development tools, and light creative software will find the CPU adequate for everyday tasks, but the GPU is massively over-provisioned for such workloads. The 15-watt CPU TDP and integrated Radeon Vega 6 graphics suggest this platform was designed for battery-efficient ultrabooks, yet the 120-watt GPU indicates a gaming or workstation-class laptop. This contradiction makes the build a poor fit for users who only need basic computing, as they would pay a significant GPU premium without using its capabilities. Developers working on GPU compute projects, such as CUDA-based applications or deep learning, will benefit most from this pairing.

# CPU Analysis

The AMD Ryzen 3 5425C is a 4-core, 8-thread mobile processor built on the Zen 3 architecture with the Cezanne-U codename. It belongs to the 5000 series and is manufactured on TSMC's 7 nm process node, containing 10,700 million transistors on a 180 mm² die. The processor has a base clock of 2.70 GHz and a boost clock of 4.10 GHz, with a 15-watt TDP that emphasizes efficiency over raw performance. The cache hierarchy includes 64 KB of L1 per core, 512 KB of L2 per core, and 8 MB of shared L3 cache.

The CPU's 50th percentile ranking places it at the median of all processors in the database, indicating it is a mainstream part rather than a high-performance or entry-level offering. With only four cores, the 5425C is best suited for single-threaded or lightly-threaded workloads where its 4.10 GHz boost clock can shine. In multi-threaded tasks that scale beyond four threads, the CPU will struggle compared to 6-core and 8-core rivals, though the database does not provide direct rival comparisons for this part.

Memory support is limited to DDR4 in a dual-channel configuration, with a maximum bandwidth of 51.2 GB/s. The PCIe interface is Gen 3 with 8 lanes from the CPU, which is a generation behind the GPU's PCIe 4.0 x16 interface. This mismatch could create a data transfer bottleneck in GPU-intensive workloads, as the CPU-to-GPU link is capped at PCIe Gen 3 speeds. The integrated Radeon Vega 6 GPU provides basic graphics capability for display output and lightweight tasks, but it is not designed for gaming or compute workloads.

The 5425C was released on May 4, 2022, and remains in active production. It is not multiplier-unlocked, so overclocking is not possible. The CPU's architecture, clock speeds, and core count suggest it is intended for thin-and-light laptops where battery life and thermals are prioritized over sustained performance. For this build, the CPU's modest capabilities will bottleneck the RTX 4090 Mobile in many scenarios, particularly at 1080p gaming or in CPU-bound productivity applications.

# Gaming Performance

No measured FPS rows exist for this exact CPU-GPU combination — the FACT PACK contains no measuredFps data, so all frame rate figures discussed here are estimates derived from the benchmark scores. The RTX 4090 Mobile's 84th percentile GPU ranking and its PassMark G3D score of 27,212 indicate it is capable of high-refresh-rate gaming at 1440p and playable frame rates at 4K in most titles. The GPU's 16 GB of GDDR6 memory and 576.0 GB/s bandwidth provide ample headroom for high-resolution textures and modern game engines that demand large memory pools.

At 1080p, the CPU's 4-core, 8-thread configuration will likely become the limiting factor. Many modern games utilize more than four threads, and the Ryzen 3 5425C's 50th percentile performance may cause frame rates to dip below what the GPU could otherwise deliver. Estimated frame rates at 1080p with ultra settings would be lower than the GPU's potential maximum, with CPU-bound scenarios potentially halving the GPU's output in titles like open-world action games or real-time strategy games that rely heavily on CPU simulation.

At 1440p and 4K, the GPU becomes the primary bottleneck more frequently, allowing the RTX 4090 Mobile to stretch its legs. The GPU's Geekbench Vulkan score of 170,774 suggests strong driver optimization and API efficiency, which should translate to smooth DirectX 12 and Vulkan titles at high resolutions. The DirectX 12 PassMark score of 107 is notably low, but this metric is not representative of real-world gaming performance — modern game engines rarely use the legacy DirectX 12 path that PassMark tests.

The GPU's nearest rivals all sit within 0.9% of its average score, so frame rates in GPU-bound scenarios should be nearly identical to the RTX 5050 Mobile, Quadro M6000, and RTX A6000. However, the CPU bottleneck at lower resolutions will likely separate this build from those with stronger processors. For esports titles that are lightly threaded and CPU-bound, the 5425C's 4.10 GHz boost clock may deliver acceptable frame rates, but the system will not achieve the high-refresh esports performance that the GPU alone could support.

# Upgrade Path and Platform

The AMD Ryzen 3 5425C uses the AMD Socket FP6, which is a soldered mobile socket that does not support user-upgradeable processors. This means the CPU is permanently attached to the motherboard, and any CPU upgrade would require replacing the entire laptop or motherboard. The platform supports DDR4 memory in a dual-channel configuration — users can upgrade memory capacity and speed within the DDR4 standard, but the 51.2 GB/s bandwidth ceiling remains fixed by the CPU's memory controller.

The GPU connects via PCIe 4.0 x16, but the CPU only provides PCIe Gen 3 with 8 lanes. This creates a bandwidth mismatch where the GPU's full PCIe Gen 4 x16 interface is not fully utilized, potentially reducing throughput in data-intensive workloads. However, for gaming and most compute tasks, the PCIe Gen 3 x8 link provides sufficient bandwidth for the RTX 4090 Mobile's 576.0 GB/s memory bandwidth, so the practical impact is limited.

The RTX 4090 Mobile is an IGP-class component with no external power connectors and a 120-watt TDP. The suggested PSU is not specified in the data, but the lack of power connectors indicates this is a mobile solution where the system's power delivery is integrated into the laptop's design. There is no headroom for adding a discrete GPU upgrade, as the RTX 4090 Mobile is already the top-tier mobile offering in the GeForce 40-series lineup.

A sensible next upgrade for this platform would be increasing system memory to the maximum supported capacity and using the fastest DDR4 modules available, as the CPU's dual-channel memory controller benefits from higher-speed kits. Storage upgrades via PCIe Gen 3 NVMe drives are also viable, given the CPU's 8 PCIe lanes. However, the inability to upgrade the CPU or GPU means this platform is essentially a dead-end for performance improvements — users should consider the full system's lifespan before purchasing, as the CPU will likely become the limiting factor as games and applications become more multi-threaded.

# Build Overview

This is a laptop-class build combining an AMD Ryzen 3 5425C processor with an NVIDIA GeForce RTX 4090 Mobile graphics solution. The CPU is a 4-core, 8-thread Zen 3 part from AMD's 5000 series, designed for mobile efficiency with a 15-watt TDP. The GPU is NVIDIA's top-tier mobile offering from the GeForce 40-series, based on the AD103 chip with Ada Lovelace architecture, manufactured on TSMC's 5 nm process with 45,900 million transistors.

The combined percentile for this build is 67, placing it above the median system but well below the GPU's individual 84th percentile. This gap highlights the fundamental imbalance: the RTX 4090 Mobile is a flagship-class GPU, while the Ryzen 3 5425C is a mid-range mobile processor. The system's overall tier is therefore defined more by its graphics capabilities than its processing power, making it a GPU-centric build that excels in graphics-bound workloads but underwhelms in CPU-intensive tasks.

The GPU's 16 GB of GDDR6 memory, 32.98 TFLOPS of FP32 compute, and 76 RT cores position it as a high-end gaming and compute solution. The CPU's 8 MB of L3 cache, dual-channel DDR4 support, and 4.10 GHz boost clock are adequate for basic productivity but insufficient to fully feed the GPU's potential. The build's class is laptop, and its performance tier is best described as "GPU-flagship with a budget processor" — a configuration that will deliver outstanding graphics performance in GPU-bound scenarios but will leave performance on the table in CPU-bound situations.

# Usage Scenarios

High-refresh gaming: At 1440p or 4K with ultra settings, the RTX 4090 Mobile's 84th percentile GPU performance and 32.98 TFLOPS of FP32 compute should deliver high frame rates in most titles, with the GPU's 16 GB memory ensuring texture quality. However, at 1080p, the CPU's 50th percentile performance will cap frame rates in CPU-bound games, preventing the display's full refresh rate from being utilized.

Streaming: The GPU's 304 tensor cores and 76 RT cores support hardware-accelerated encoding and AI-enhanced features, which should offload streaming overhead from the CPU. The 4-core CPU may struggle with simultaneous gaming and encoding in CPU-heavy titles, but the GPU's compute capabilities can compensate in most scenarios.

Video editing: The RTX 4090 Mobile's Geekbench OpenCL score of 180,831 and PassMark GPU compute score of 12,347 indicate strong acceleration for video effects, color grading, and export tasks. The CPU's 4 cores will handle timeline scrubbing and preview rendering adequately, but multi-layer 4K projects may cause slowdowns during CPU-bound operations.

3D rendering: GPU-accelerated renderers will perform exceptionally well, with the GPU's 32.98 TFLOPS delivering fast iterations for realistic render engines. CPU-based rendering will be slow due to the 4-core, 8-thread configuration, making this build unsuitable for CPU-only render workflows.

Software development: The CPU's 4.10 GHz boost clock provides responsive single-threaded performance for code editing and compilation of small projects. Large codebases with parallel build systems will bottleneck on the 8 threads, while the GPU's compute capability can accelerate machine learning development and CUDA-based workloads.

Student and office work: The 15-watt CPU TDP and integrated Radeon Vega 6 graphics make this platform efficient for document editing, web browsing, and spreadsheet work. The RTX 4090 Mobile is vastly over-provisioned for these tasks, but the system's battery life and portability may still appeal to students, albeit at a significant graphics premium.