SYSTEM ANALYZER

Rate My PC: AMD Ryzen 3 5300U + NVIDIA GeForce RTX 4090 Mobile

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

82 / 100
HIGH-END

Power Build

Top 18% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio
CPU Bottleneck
CPU
68%
VS
GPU
96%

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

PROCESSOR

AMD Ryzen 3 5300U

2,135 Benchmark Score
Top 32% 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

This is an unusual pairing on paper: a low-power 4-core/8-thread AMD Ryzen 3 5300U (Zen 2, Lucienne, 7nm, 15W TDP) alongside the flagship NVIDIA GeForce RTX 4090 Mobile (Ada Lovelace, 5nm, 120W TDP, 16GB GDDR6). The benchmark database shows no measured FPS rows for this exact combination, so all gaming frame-rate discussion below is estimated from the CPU and GPU scores, not from direct measurements. The data that does exist paints a clear picture: the GPU is in the 84th percentile among all GPUs, while the CPU sits at the 46th percentile among all CPUs. The combined build percentile is 65. This is a laptop-class platform with a severe performance asymmetry, and the analysis below quantifies exactly where that imbalance shows up.

Upgrade Path and Platform

The AMD Ryzen 3 5300U uses the AMD Socket FP6, which is a mobile-only socket. This means the CPU is soldered and not user-replaceable in any practical sense. The platform is built around a 15W TDP processor, which is designed for thin-and-light laptops with modest cooling. The memory support is DDR4, running on a dual-channel bus with a theoretical bandwidth of 51.2 GB/s. That bandwidth figure is a hard ceiling for the CPU’s memory subsystem, and it is far below what the RTX 4090 Mobile can feed itself—the GPU’s own 16GB of GDDR6 memory runs on a 256-bit bus with 576.0 GB/s of bandwidth. The CPU’s PCIe support is Gen 3 with 12 lanes (CPU only), while the GPU’s bus interface is PCIe 4.0 x16. The CPU’s older PCIe Gen 3 link can bottleneck data transfers to the GPU in bandwidth-hungry workloads, even though the GPU is physically capable of Gen 4.

The RTX 4090 Mobile has no suggested PSU listed in the data, and its TDP is 120W. In a laptop, this means the power delivery and cooling system must handle at least that GPU draw plus the CPU’s 15W, but real-world system power will be higher due to other components. Because the CPU is a 15W part, the platform’s PSU headroom is not the issue—the issue is that the GPU is a 120W part bolted into a chassis designed around a low-power APU. A sensible next upgrade on this platform is not a CPU swap (the socket is fixed), but rather a GPU upgrade in a future laptop, or an external GPU enclosure if the laptop supports it (the data does not specify eGPU support). For the CPU itself, the nearest rival is the Intel Core i5-9400T at an average score of 2136, which is 0% delta, meaning the Ryzen 3 5300U is effectively tied with that desktop-class 6-core part in aggregate benchmarks. The AMD Ryzen 5 7520C is 0.4% slower, and the Intel Core i7-1160G7 is 0.5% faster. None of these rivals offer a meaningful upgrade path within the same socket because FP6 is not shared with desktop parts.

FAQ

Q: What is the CPU’s core and thread configuration?

A: The AMD Ryzen 3 5300U has 4 cores and 8 threads, based on the Zen 2 architecture (codename Lucienne), fabricated on TSMC’s 7nm process node. It has a base clock of 2.60 GHz and a boost clock of 3.80 GHz, with a TDP of 15W.

Q: How does the CPU compare to its nearest rivals in aggregate performance?

A: The CPU’s average benchmark score is 2135, placing it at the 46th percentile of all CPUs. It is within 0.6% of the Intel Core i5-9400T (score 2136), 0.4% ahead of the AMD Ryzen 5 7520C (score 2127), 0.5% ahead of the Intel Core i7-1160G7 (score 2124), and 0.6% behind the AMD Ryzen 3 3300X (score 2148). The deltas are all under 1%, so these are essentially tied parts.

Q: What is the GPU’s memory configuration and bandwidth?

A: The NVIDIA GeForce RTX 4090 Mobile has 16GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The memory clock is 2250 MHz (18 Gbps effective). The GPU is based on the AD103 chip with Ada Lovelace architecture on a 5nm process.

Q: What are the GPU’s key compute specs?

A: The GPU has 9728 shading units, 304 TMUs, 112 ROPs, 76 RT cores, and 304 tensor cores. It delivers 32.98 TFLOPS of FP32 performance and 32.98 TFLOPS of FP16 (1:1 ratio). The pixel rate is 189.8 GPixel/s and the texture rate is 515.3 GTexel/s.

Q: What is the GPU’s percentile rank among all GPUs?

A: The GPU is at the 84th percentile of all GPUs, with an average benchmark score of 43667. Its nearest rivals include the NVIDIA Quadro M6000 (score 43301, 0.8% slower), the NVIDIA GeForce RTX 5050 Mobile (score 43268, 0.9% slower), and the NVIDIA RTX A6000 (score 44075, 0.9% faster).

Q: Is there any measured gaming FPS data for this CPU+GPU combination?

A: No. The FACT PACK contains no measured FPS rows for this exact pairing. All gaming performance statements are estimates derived from the CPU and GPU benchmark scores, not from direct in-game testing.

Q: What is the combined percentile of this build?

A: The combined percentile is 65, which reflects a laptop-class build where the GPU (84th percentile) far outranks the CPU (46th percentile). The build class is "laptop," and the pairing is not balanced.

Usage Scenarios

For high-refresh gaming, the RTX 4090 Mobile is the dominant factor. The GPU’s 84th percentile rank and 32.98 TFLOPS FP32 compute suggest it can push very high frame rates at 1080p and 1440p in most titles, but the CPU’s 46th percentile and 4-core/8-thread configuration will limit frame pacing in CPU-bound scenes. The CPU’s single-core score of 1115 in Cinebench R23 and 1244 in Geekbench single-core indicates modest per-thread performance, which is critical for high-refresh gaming. Expect the GPU to be underutilized in esports titles where frame rates exceed what the CPU can feed.

For streaming, the balance is poor. The CPU has only 4 cores and 8 threads, with a multi-core score of 5341 in Cinebench R23 and 4035 in Geekbench multi-core. Encoding video while gaming would tax the CPU heavily, as the RTX 4090 Mobile’s NVENC encoder (not specified in the data, but implied by the 40-series architecture) could offload some work, but the CPU still needs to handle game logic and scene complexity. The GPU’s tensor cores (304) and RT cores (76) could assist with AI-enhanced encoding, but the CPU is still the bottleneck.

For video editing, the GPU’s 16GB of GDDR6 and 576.0 GB/s bandwidth are strong assets for effects, compositing, and GPU-accelerated renders. The CPU’s 4 cores will slow down timeline scrubbing and CPU-based encoding tasks. The GPU’s Passmark G3D score of 27212 and Geekbench OpenCL score of 180831 indicate exceptional parallel compute, but the CPU’s 46th percentile rank means it will stall on non-GPU tasks.

For 3D rendering, the GPU is the clear workhorse. With 9728 shading units and 32.98 TFLOPS FP32, the RTX 4090 Mobile will handle GPU-accelerated renderers like Blender Cycles or Octane exceptionally well. The CPU’s 4 cores will be a bottleneck for CPU-based rendering, where the Cinebench R23 multi-core score of 5341 is far below what a modern 8-core or 16-core desktop CPU would deliver. The GPU’s 84th percentile rank, however, means render times will be dominated by GPU throughput where the CPU can feed it.

For software development, the CPU’s 4 cores and 8 threads are workable but not comfortable. Compilation tasks are often multi-threaded, and a 5341 Cinebench R23 multi-core score is modest. The GPU is irrelevant for most compilation tasks unless the developer uses CUDA or GPU-accelerated libraries, in which case the RTX 4090 Mobile’s 304 tensor cores and 32.98 TFLOPS FP16 are powerful. The CPU’s 46th percentile suggests it will be slower than a mid-range desktop part in build times.

For student and office work, this pairing is overkill and underwhelming simultaneously. The CPU’s 15W TDP and 4 cores are adequate for web browsing, word processing, and spreadsheets, but the RTX 4090 Mobile’s 120W TDP means the laptop will be heavy, hot, and have short battery life under load. The CPU’s single-core score of 1115 in Cinebench R23 is fine for office tasks, but the GPU’s power draw is wasted on such workloads.

Who Should Build It

This pairing targets a very narrow use case: a mobile workstation or high-end gaming laptop where the GPU is the sole focus and the CPU is an afterthought. Gamers playing at 1440p or 4K with maxed settings will see the GPU’s 84th percentile shine, but they must accept that CPU-bound titles will not scale. Content creators who rely heavily on GPU-accelerated rendering (3D, video effects) will benefit from the RTX 4090 Mobile’s 16GB VRAM and 576.0 GB/s bandwidth, as long as their workflow avoids CPU-heavy tasks. Developers using CUDA for AI or scientific computing will find the GPU’s 304 tensor cores and 32.98 TFLOPS FP16 useful, but the CPU’s 4 cores will limit host-side data processing. Students and office workers should not choose this build, as the CPU is adequate but the GPU’s power and thermal requirements are unjustified for such tasks. Small business workstations that need GPU compute for rendering or simulation but do not need a fast CPU for general tasks could use this, but the imbalance means wasted potential in most mixed workloads.

Benchmark Performance

The CPU’s benchmark results are consistently modest. In Cinebench R15, it scores 906 multi-core and 170 single-core. In Cinebench R23, it scores 5341 multi-core and 1115 single-core. Geekbench scores are 4035 multi-core and 1244 single-core. The average benchmark score is 2135, placing the CPU at the 46th percentile of all CPUs. Its nearest rival, the Intel Core i5-9400T, scores 2136, a 0% delta, making them effectively identical in aggregate. The AMD Ryzen 3 3300X is 0.6% faster at 2148, while the AMD Ryzen 5 7520C and Intel Core i7-1160G7 are 0.4% and 0.5% slower, respectively.

The GPU’s benchmark results are far more impressive. Geekbench OpenCL scores 180831, and Geekbench Vulkan scores 170774. Passmark G3D scores 27212, with Passmark GPU Compute at 12347. The average benchmark score is 43667, placing the GPU at the 84th percentile of all GPUs. Its nearest rivals include the NVIDIA RTX A6000 (score 44075, 0.9% faster), the NVIDIA Quadro M6000 (score 43301, 0.8% slower), and the NVIDIA GeForce RTX 5050 Mobile (score 43268, 0.9% slower). The GPU’s Passmark DirectX scores are low (173 for DX10, 262 for DX11, 107 for DX12, 310 for DX9), but these are likely legacy tests and do not reflect modern gaming performance.

The combined picture is a 65th percentile build, driven almost entirely by the GPU. The CPU’s 46th percentile drags down the overall rank. In workloads that are purely GPU-bound, the system performs like a top-tier desktop replacement; in CPU-bound tasks, it performs like a mid-range laptop from 2021.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination. The FACT PACK contains an empty measuredFpsUltraByGame object, so all frame-rate figures below are estimates derived from the CPU’s and GPU’s benchmark scores, not from direct testing. The GPU’s 84th percentile rank and 32.98 TFLOPS FP32 suggest it can handle ultra settings at 1440p in most modern titles, and likely 4K in many games, but the CPU’s 46th percentile and 4-core/8-thread configuration will limit maximum frame rates. In esports titles like Counter-Strike or Valorant, the CPU’s single-core score of 1115 in Cinebench R23 suggests it may struggle to maintain 200+ FPS, despite the GPU’s capability. In AAA titles at 1440p ultra, the GPU will likely be the bottleneck at lower resolutions, but at 4K the GPU’s 16GB VRAM and 576.0 GB/s bandwidth will be fully utilized, and the CPU may still lag in draw-call heavy scenes. The GPU’s Passmark G3D score of 27212 is roughly 10x the CPU’s average score, indicating a massive gap in compute power. Expect frame rates to be GPU-limited in most scenarios, but with occasional CPU-induced stutters in open-world games or simulations.

Balance and Bottleneck

The data clearly shows a GPU-limited build in most gaming scenarios, but a CPU-limited build in CPU-bound workloads. The GPU’s 84th percentile versus the CPU’s 46th percentile means the GPU is roughly twice as far above the median as the CPU is below it. In gaming, the FPS scaling from lower to higher resolutions will be favorable because the GPU’s 16GB VRAM and 576.0 GB/s bandwidth can handle higher resolutions, but the CPU’s 4 cores will limit frame rates in CPU-bound titles. The CPU’s Cinebench R23 multi-core score of 5341 is just 16% of the GPU’s average benchmark score (43667), highlighting the compute disparity. In productivity tasks like video editing or 3D rendering, the GPU will do most of the heavy lifting, but the CPU’s 46th percentile will slow down any single-threaded or lightly-threaded tasks like asset loading, scene graph updates, or physics calculations. The PCIe Gen 3 x12 CPU link versus the GPU’s PCIe 4.0 x16 interface also introduces a potential data transfer bottleneck, though the exact impact is not quantified in the data.

Build Overview

This is a laptop-class build (buildClass: "laptop") pairing the AMD Ryzen 3 5300U with the NVIDIA GeForce RTX 4090 Mobile. The combined percentile is 65, placing it above the median but far from the top. The CPU is a low-power 15W part with 4 cores and 8 threads, while the GPU is a 120W flagship mobile part with 9728 shading units and 16GB of GDDR6. The overall tier is mid-to-high, driven by the GPU’s 84th percentile rank, but the CPU’s 46th percentile prevents this from being a top-tier system. This is not a balanced build; it is a GPU-first machine that will excel in GPU-accelerated workloads and high-resolution gaming, but will feel sluggish in CPU-heavy tasks like compilation, streaming, or multitasking with many background processes.

CPU Analysis

The AMD Ryzen 3 5300U is a 4-core, 8-thread processor based on the Zen 2 architecture (codename Lucienne), manufactured on TSMC’s 7nm process node. It has a base clock of 2.60 GHz and a boost clock of 3.80 GHz, with a TDP of 15W. The cache hierarchy includes 64KB of L1 per core, 512KB of L2 per core, and 4MB of shared L3 cache. It supports DDR4 memory on a dual-channel bus with 51.2 GB/s of bandwidth, and it does not support ECC memory. The CPU has 12 PCIe Gen 3 lanes (CPU only) and integrated Radeon Graphics with 384 SPs. The CPU’s benchmark scores are modest: Cinebench R23 multi-core is 5341, single-core is 1115, and Geekbench multi-core is 4035, single-core is 1244. The average benchmark score is 2135, placing it at the 46th percentile of all CPUs. Its nearest rival is the Intel Core i5-9400T, which scores 2136, a 0% delta. The AMD Ryzen 3 3300X is 0.6% faster, while the Intel Core i7-1160G7 and AMD Ryzen 5 7520C are 0.5% and 0.4% slower, respectively. For real workloads, the CPU is sufficient for office tasks, light coding, and web browsing, but it will bottleneck the RTX 4090 Mobile in any scenario where CPU performance matters. The 4-core layout is outdated for modern multi-threaded applications, and the 15W TDP means sustained boost clocks will be limited by thermals in a thin chassis. The CPU’s single-core performance (1115 in Cinebench R23) is its stronger asset, but it still lags behind modern desktop parts. The 46th percentile rank confirms this is a below-average CPU, and pairing it with an 84th percentile GPU creates a mismatch that will show up in gameplay and productivity.