SYSTEM ANALYZER

Rate My PC: AMD Ryzen 3 5400U + 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)

▼

GRAPHICS CARD (GPU)

▼

83 Score

Top 17% Ranking

83 / 100

HIGH-END

Power Build

Top 17% of systems. Excellent for 1440p Ultra or 4K High gaming.

1440p Ultra4K High

System Balance Analysis

CPU vs GPU performance ratio

CPU Bottleneck

CPU

71%

GPU

95%

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

PROCESSOR

AMD Ryzen 3 5400U

2,765 Benchmark Score

Top 29% 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

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

The AMD Ryzen 3 5400U and NVIDIA GeForce RTX 4080 Mobile pairing is a study in extreme asymmetry, a laptop configuration where a low-power, efficiency-focused processor is matched with a high-end, performance-oriented graphics solution. This combination creates a distinctive profile that demands careful consideration of workload priorities, as the system’s behavior is dictated more by which component is being stressed than by any sense of balance. The data shows a mobile platform sitting at the 66th percentile overall, but this single figure obscures a wide gap between the CPU’s mid-pack standing and the GPU’s strong upper-tier placement.

Balance and Bottleneck

The fundamental characteristic of this build is a pronounced bottleneck in CPU-bound scenarios. The Ryzen 3 5400U, with its 4 cores and 8 threads, posts a 50th percentile rank among all CPUs, placing it squarely in the middle of the performance distribution. Its average benchmark score of 2765 is within a fraction of a point of several close rivals, including the AMD Ryzen 3 PRO 4350GE (2770, delta -0.1%) and the Intel Xeon D-1567 (2770, delta -0.2%). This indicates that the processor is a competent, but not exceptional, performer for its class. When paired with the RTX 4080 Mobile, the CPU becomes the limiting factor in any workload that relies heavily on physics, AI, or game logic, as it simply cannot feed frames to the GPU fast enough to allow the graphics card to reach its full potential.

Conversely, in GPU-bound scenarios, the bottleneck shifts entirely to the graphics card. The RTX 4080 Mobile sits at the 81st percentile among all GPUs, a strong position that indicates significant headroom for demanding visual tasks. In games at high resolutions or with intensive graphical effects, the GPU will be the operative constraint, and the CPU’s relative weakness will be masked by the sheer volume of work the graphics card is processing. The bottleneck is therefore situational: it is a CPU bottleneck in light, fast, or CPU-heavy tasks, and a GPU bottleneck in graphically saturated environments. The FPS scaling evidence, while not measured for this exact pairing, follows this logic. The data indicates that lower resolutions would expose the CPU bottleneck more readily, while higher resolutions would shift the burden to the GPU, making the system feel more balanced in practice despite the hardware disparity.

Upgrade Path and Platform

The platform is anchored by the AMD Socket FP6, which is a mobile-specific socket designed for the Cezanne-U series. This means that any potential CPU upgrade is confined to other processors within the same socket family and power envelope, which are also low-power parts. The memory support is limited to DDR4 in a dual-channel configuration, providing a bandwidth of 51.2 GB/s. This is adequate for the CPU’s 8 threads but is a far cry from the memory bandwidth available to more modern platforms. The CPU’s PCIe support is Gen 3 with 8 lanes, which is a notable limitation, especially when paired with a GPU that supports PCIe 4.0 x16. The RTX 4080 Mobile will run on the CPU’s Gen 3 lanes, which may introduce a small performance penalty in some data-transfer-heavy scenarios, though the practical impact is often minimal in gaming.

The system’s power profile is defined by the CPU’s 15 W TDP and the GPU’s 110 W TDP. The fact that the GPU has no suggested PSU listed is typical for a mobile part, as power delivery is handled by the laptop’s internal power supply and battery. The combined thermal and power draw of this pairing is significant for a laptop, but the data does not provide a specific PSU requirement, so any discussion of headroom is qualitative. A sensible next upgrade for this platform would be to focus on the components that are not soldered down, such as increasing the amount of DDR4 memory if the laptop supports it, or upgrading to a faster NVMe SSD. A CPU upgrade is not a practical path forward, as the FP6 socket is a dead end for high-performance parts. The system is essentially a platform where the GPU is the star, and the CPU is a fixed, low-power companion.

Benchmark Performance

The benchmark results paint a clear picture of a split personality. The CPU’s scores are respectable for a low-power mobile part. In Cinebench R23, it achieves 9350 points in multi-core and 1320 points in single-core. The single-core score of 1320 is particularly telling, as it is a modest figure that will impact responsiveness in lightly threaded tasks. Its Geekbench scores are 4473 for multi-core and 1419 for single-core, further confirming its mid-tier status. The CPU’s average benchmark score of 2765 places it in the 50th percentile, with its nearest rivals being closely matched parts like the AMD Ryzen 3 4300GE (2759, delta 0.2%) and the AMD Ryzen 3 PRO 4350G (2774, delta -0.3%). This shows that the 5400U is a solid, but not standout, performer within its own class.

The GPU, on the other hand, delivers a dominating performance. Its Passmark G3D score of 24926 is a strong indicator of its gaming and rendering capability. In compute workloads, it scores 11191 in Passmark GPU Compute and 159575 in Geekbench OpenCL. Its average benchmark score of 38135 places it in the 81st percentile, a significant step up from the CPU. The GPU’s nearest rivals are interesting: it is within 1% of the NVIDIA GeForce MX570 (38299, delta -0.4%) and the NVIDIA GeForce RTX 5080 Mobile (38349, delta -0.6%), while being 1.3% ahead of both the NVIDIA GeForce RTX 4070 (37648) and the NVIDIA Tesla P4 (37628). This data indicates that the RTX 4080 Mobile is a high-end part that can compete with desktop-class GPUs in raw score, making the CPU the clear weak link in this combined picture.

FAQ

Q: Is the CPU or GPU the limiting factor for gaming performance?

A: The data indicates that the CPU is the limiting factor in CPU-bound tasks, such as physics and game logic, while the GPU is the limiting factor in graphically intensive scenarios. The CPU’s 50th percentile rank and the GPU’s 81st percentile rank suggest that the CPU will bottleneck the GPU in lighter workloads.

Q: Can this laptop be upgraded to a more powerful CPU?

A: No. The CPU uses the AMD Socket FP6, which is a mobile-specific socket. Any CPU upgrade would be limited to other low-power parts within the same socket family, which would not provide a significant performance improvement.

Q: What type of memory does this system support?

A: The CPU supports DDR4 memory in a dual-channel configuration, providing a memory bandwidth of 51.2 GB/s. This is a standard feature for this class of mobile processor.

Q: What is the PCIe version supported by the CPU?

A: The CPU supports PCIe Gen 3 with 8 lanes (CPU only). The GPU supports PCIe 4.0 x16, but it will operate at the CPU’s Gen 3 speed, which could have a minor impact on data transfer rates.

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

A: The CPU’s average benchmark score is 2765. It is 0.1% slower than the AMD Ryzen 3 PRO 4350GE (2767) and 0.2% slower than the Intel Xeon D-1567 (2770), while being 0.2% faster than the AMD Ryzen 3 4300GE (2759) and 0.3% faster than the AMD Ryzen 3 PRO 4350G (2774). This shows it is a typical mid-range performer.

Q: What is the combined performance percentile of this build?

A: The build has a combined percentile of 66, which places it in the upper third of all tested configurations. This is a result of the strong GPU performance partially offsetting the weaker CPU performance.

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

A: No. The data set contains no measured FPS rows for this exact combination of CPU and GPU. All FPS discussions are estimates based on the individual component benchmark scores.

CPU Analysis

The AMD Ryzen 3 5400U is a 4-core, 8-thread processor based on the Zen 3 architecture, codenamed Cezanne-U. It is manufactured on TSMC’s 7 nm process node and packs 10,700 million transistors into a 180 mm² die. Its base clock is 2.60 GHz, which can boost up to 4.00 GHz under load. This is a low-power part with a 15 W TDP, designed for thin and light laptops where efficiency is paramount. The cache hierarchy consists of 64 KB of L1 cache per core, 512 KB of L2 cache per core, and a shared 8 MB L3 cache. The CPU has a dual-channel memory bus for DDR4 memory with a theoretical bandwidth of 51.2 GB/s, and it does not support ECC memory.

In real-world workloads, the benchmark scores translate to a processor that is capable of handling everyday productivity tasks and light content creation, but it will struggle with heavy multi-threaded workloads. Its Cinebench R23 multi-core score of 9350 is respectable for its power class, but its single-core score of 1320 is more indicative of its limits in tasks like compiling code or running complex spreadsheets. The Geekbench multi-core score of 4473 reinforces this, positioning the CPU as a solid entry-level performer. For a user, this means that the CPU will not be a bottleneck for web browsing, office applications, or even photo editing, but it will be the limiting factor in video rendering or software development. The 50th percentile rank confirms that this is a middle-of-the-road processor, and when paired with a high-end GPU, its limitations become more apparent in scenarios that demand both CPU and GPU performance.

Gaming Performance

No measured FPS rows exist for this exact combination in the data. Therefore, all gaming performance figures discussed here are estimates derived from the individual benchmark scores of the CPU and GPU. The data clearly indicates a system that is capable of high-frame-rate gaming at 1080p and 1440p, but the experience will vary significantly depending on the game’s engine and its reliance on the CPU. In a graphically demanding title like a modern AAA game at 4K, the RTX 4080 Mobile’s 81st percentile ranking will dominate, allowing for high settings and smooth frame rates. The GPU’s Passmark G3D score of 24926 is a strong indicator of its ability to push pixels.

However, in competitive esports titles that are often CPU-limited, the Ryzen 3 5400U’s 50th percentile rank will be the bottleneck. In these games, the CPU’s single-core score of 1320 in Cinebench R23 will limit the maximum frame rate, potentially preventing the GPU from being fully utilized. The estimated FPS in such titles would be lower than the GPU’s potential, as the CPU struggles to process game logic and input data. In contrast, at 4K resolution, the GPU is more likely to be the limit, and the CPU’s weakness becomes less of a factor. The system is best suited for high-resolution, visually rich gaming where the GPU can stretch its legs, rather than for high-refresh-rate competitive gaming where CPU speed is king.

Who Should Build It

This build is for a user who prioritizes graphics performance above all else and is willing to accept a weaker CPU. It is a perfect fit for a gamer who plays at 1440p or 4K with all settings maxed out, where the RTX 4080 Mobile can deliver excellent frame rates in visually spectacular titles. The system is less ideal for a competitive gamer who needs to push 300+ FPS in fast-paced shooters, as the CPU will hold back the GPU. For content creators, the system is a mixed bag. It will excel in GPU-accelerated tasks like 3D rendering in Blender or video encoding with NVENC, where the GPU’s 11191 Passmark compute score and 159575 OpenCL score will shine. However, it will be less effective in CPU-heavy workflows like complex After Effects compositions or software-based video editing.

Students and small business users who need a laptop for general productivity, web browsing, and office suites will find that the CPU is entirely sufficient for their needs, and the GPU provides excellent headroom for any occasional graphics work. The system is also a strong contender for developers who work with GPU-accelerated compute, such as machine learning or data visualization, given the GPU’s strong compute scores. Ultimately, this build is for a user who knows that their primary workload is GPU-bound and is willing to sacrifice CPU performance for a more affordable or available high-end graphics solution. It is not a balanced workstation, but a specialized tool for graphics-intensive tasks.

Build Overview

This is a laptop-class build, as indicated by the build class designation. It combines a mid-tier, low-power mobile CPU with a high-end mobile GPU, creating a system that is defined by its imbalance. The combined performance percentile of 66 places this system in the upper third of all configurations, but this figure is heavily weighted by the GPU’s strong 81st percentile ranking. The CPU’s 50th percentile rank pulls the overall score down, resulting in a system that is better than most but not truly top-tier. The pairing is unusual, as the CPU is clearly a budget-conscious choice for a thin-and-light laptop, while the GPU is a flagship part usually found in larger, heavier gaming laptops. The result is a system that is a specialist, not a generalist. It is a graphics-first machine that can handle any visual task thrown at it, but it will show its limits in CPU-intensive workloads. The overall tier is a "high-performance graphics laptop with a modest processor," which makes it a unique option in the market.

GPU Analysis

The NVIDIA GeForce RTX 4080 Mobile is a powerhouse built on the Ada Lovelace architecture, using the AD104 chip manufactured on a 5 nm process by TSMC. It contains 35,800 million transistors on a 294 mm² die. The GPU is equipped with 12 GB of GDDR6 memory on a 192-bit bus, delivering a bandwidth of 432.0 GB/s. Its clocks are set at a base of 1290 MHz and a boost of 1665 MHz, with memory running at 2250 MHz (18 Gbps effective). The GPU features 7424 shading units, 232 texture mapping units, and 80 raster operation units. Critically, it includes 58 RT cores for ray tracing and 232 tensor cores for AI acceleration, which are essential for features like DLSS.

In terms of raw compute, the GPU delivers 24.72 TFLOPS of FP32 performance and the same for FP16 (1:1). Its pixel rate is 133.2 GPixel/s and its texture rate is 386.3 GTexel/s. These specifications translate into benchmark scores that place it in the 81st percentile. Its Passmark G3D score of 24926 confirms its ability to handle modern games at high resolutions, and its compute score of 11191 in Passmark and 159575 in Geekbench OpenCL show it is a capable workhorse for rendering and compute tasks. The GPU’s support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 ensures compatibility with current and future titles. For rendering, the RT cores and tensor cores are not just for gaming; they accelerate professional workloads like ray-traced renders in Blender and AI denoising. The 432.0 GB/s of bandwidth is ample for the 12 GB frame buffer, making this GPU ready for high-resolution textures and complex scenes. While the data shows its nearest rivals are a mix of mobile and desktop parts, the RTX 4080 Mobile’s standing is clearly that of a top-tier mobile graphics solution, capable of delivering a high-end experience in any graphics-bound task.

Rate My PC: AMD Ryzen 3 5400U + NVIDIA GeForce RTX 4080 Mobile

Power Build

System Balance Analysis

AMD Ryzen 3 5400U

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

Strong Performance

Bottleneck Detected

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

Balance and Bottleneck

Upgrade Path and Platform

Benchmark Performance

FAQ

CPU Analysis

Gaming Performance

Who Should Build It

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

Related Processors

Related Graphics Cards

Compare Your CPU

Compare Your GPU

Related PC Builds

Same CPU with Different GPUs

Same GPU with Different CPUs

Other Popular Builds