SYSTEM ANALYZER

Rate My PC: AMD Ryzen 5 8640U + 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)

▼

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

95%

PROCESSOR

AMD Ryzen 5 8640U

26,462 Benchmark Score

Top 13% 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

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

# AMD Ryzen 5 8640U + NVIDIA GeForce RTX 4080 Mobile

This laptop build pairs a 6-core AMD Ryzen 5 8640U processor with a 12 GB NVIDIA GeForce RTX 4080 Mobile GPU, landing at the 80th percentile overall among all CPU+GPU combinations. The CPU sits at the 78th percentile among all processors, while the GPU reaches the 81st percentile among all graphics cards, creating a system that is well above average in both compute and graphics capability. The data indicates a mobile platform designed for substantial workloads, though the processor and graphics card occupy different performance tiers that warrant careful examination.

Usage Scenarios

High-refresh gaming at 1080p and 1440p is the primary strength of this pairing. The RTX 4080 Mobile's PassMark G3D score of 24926 places it at the 81st percentile, which translates to strong frame rates in demanding titles. The GPU's 12 GB of GDDR6 memory with 432.0 GB/s bandwidth provides sufficient headroom for modern game assets at high resolutions, and the 58 RT cores enable hardware-accelerated ray tracing without completely sacrificing performance.

Streaming and content creation benefit from the combination of the CPU's multi-threaded capabilities and the GPU's NVENC encoder. The Ryzen 5 8640U achieves a Cinebench R23 multi-core score of 10433, placing it at the 78th percentile among all CPUs. This level of multi-core performance handles encoding workloads alongside gaming, while the GPU's 232 tensor cores accelerate AI-driven encoding features. The PassMark multithread score of 20322 reinforces that the CPU can manage simultaneous streaming and gaming tasks.

Video editing workflows see a balanced contribution from both components. The CPU's GeekBench multi-core score of 8185 provides solid timeline performance in editing software, while the GPU's PassMark GPU compute score of 11191 accelerates effects rendering and export processes. The 80 ROPS and 232 TMUs deliver pixel and texture throughput of 133.2 GPixel/s and 386.3 GTexel/s respectively, which supports smooth preview and rendering in 4K timelines.

3D rendering workloads lean heavily on the GPU, and the RTX 4080 Mobile's 24.72 TFLOPS FP32 performance positions it well for interactive viewport rendering. The 7424 shading units process geometry and shading efficiently, while the 58 RT cores handle ray-traced rendering tasks. The CPU's 12 threads support asset loading and scene preparation, but rendering iterations will be GPU-bound, which is advantageous given the GPU's 81st percentile ranking.

Software development benefits from the CPU's strong single-threaded performance. The Cinebench R23 single-core score of 1651 and PassMark single-thread score of 3534 indicate responsive compilation of small to medium projects. The 16 MB of shared L3 cache and 89.6 GB/s dual-channel DDR5 memory bandwidth support rapid code iteration, while the GPU's compute capabilities accelerate shader compilation and local machine learning tasks.

Student and office work is well served by this hardware, though it is overqualified for typical productivity tasks. The CPU's 6 Zen 4 cores with 12 threads handle document processing, spreadsheet calculations, and web browsing with ease. The integrated Radeon 760M graphics provide a fallback for display output, and the 4 nm TSMC process node keeps power consumption manageable at 28 W TDP for the CPU, contributing to battery life in a laptop form factor.

Benchmark Performance

The CPU's average benchmark score of 26462 places it at the 78th percentile among all processors. This score is nearly identical to the Intel Core i9-12900HK (26469, 0% delta) and Intel Core i7-1280P (26469, 0% delta), indicating that the Ryzen 5 8640U matches the performance of higher-tier Intel mobile chips. It sits 0.2% ahead of the AMD Ryzen 7 7435HS (26402) and 0.3% behind the AMD EPYC 8024P (26555), showing remarkable consistency across this performance cluster.

The GPU's average benchmark score of 38135 places it at the 81st percentile among all graphics cards. This is 0.4% ahead of the NVIDIA GeForce MX570 (38299) and 0.6% behind the NVIDIA GeForce RTX 5080 Mobile (38349), a surprising proximity given the generational gap. The RTX 4080 Mobile also leads the NVIDIA GeForce RTX 4070 (37648) by 1.3% and the NVIDIA Tesla P4 (37628) by 1.3%, confirming its position as a high-performance mobile GPU.

In specific CPU tests, the Cinebench R23 multi-core score of 10433 and single-core score of 1651 demonstrate balanced performance. The GeekBench multi-core score of 8185 and single-core score of 2131 follow the same pattern. PassMark integer math (68051), floating-point math (40330), and extended instructions (16500) scores show strong computational throughput, while data compression (230080) and encryption (14013) scores indicate solid real-world data handling.

The GPU's DirectX 12 score of 96 and DirectX 11 score of 244 from PassMark reveal that the GPU's raw compute advantage translates to modern graphics APIs. The GeekBench OpenCL score of 159575 and Vulkan score of 145807 confirm cross-platform compute capability. The combined picture is a CPU that performs at the level of premium mobile processors and a GPU that sits near the top of the mobile graphics hierarchy.

GPU Analysis

The NVIDIA GeForce RTX 4080 Mobile uses the AD104 chip built on TSMC's 5 nm process, containing 35,800 million transistors across a 294 mm² die. The 12 GB of GDDR6 memory operates on a 192-bit bus delivering 432.0 GB/s bandwidth, with memory clocks at 2250 MHz (18 Gbps effective). This memory configuration provides ample capacity for high-resolution textures and large datasets in professional applications.

The GPU's 7424 shading units, 232 TMUs, and 80 ROPS deliver a pixel rate of 133.2 GPixel/s and texture rate of 386.3 GTexel/s. These specifications support high-fill-rate scenarios in gaming and rendering. The 58 RT cores and 232 tensor cores enable hardware ray tracing and AI-accelerated features, with FP32 and FP16 compute both rated at 24.72 TFLOPS, providing consistent performance across precision formats.

Base clock of 1290 MHz and boost clock of 1665 MHz are conservative for a GPU of this class, suggesting thermal and power constraints typical of mobile implementations. The GPU's TDP of 110 W with no power connectors indicates a laptop-focused design. The PassMark G3D score of 24926 at the 81st percentile confirms that this configuration delivers excellent real-world graphics performance despite the modest clock speeds.

For rendering workloads, the GPU's compute score of 11191 in PassMark GPU compute indicates strong general-purpose processing. The DirectX 12 Ultimate (12_2) API support ensures compatibility with the latest graphics features. The 1.3% advantage over the RTX 4070 in average benchmark score positions this GPU as a step above mid-range desktop options, while the proximity to the RTX 5080 Mobile (0.6% behind) shows that mobile GPU generations have converged in performance.

Gaming Performance

No measured FPS data exists for this exact CPU+GPU combination — the FACT PACK contains no measuredFps rows. All frame rate discussions below are estimated from benchmark scores and should be treated as qualitative guidance rather than precise measurements.

Based on the GPU's 81st percentile ranking and PassMark G3D score of 24926, 1080p gaming at high and ultra settings should produce strong frame rates in most titles. The 12 GB VRAM capacity prevents memory-related stuttering in modern games that routinely use 8-10 GB at high resolutions. The CPU's 78th percentile ranking ensures that the Ryzen 5 8640U can feed the GPU adequately in most gaming scenarios.

At 1440p, the GPU's 432.0 GB/s bandwidth and 7424 shading units should maintain playable frame rates in demanding titles, though the boost clock of 1665 MHz may limit performance in GPU-bound scenarios compared to higher-clocked desktop variants. Ray tracing workloads will see a larger performance impact, but the 58 RT cores provide dedicated hardware support.

The CPU's Cinebench R23 single-core score of 1651 suggests that lightly-threaded games will perform well, while the multi-core score of 10433 ensures that modern multi-threaded game engines have sufficient processing headroom. The combination of a high-percentile GPU with a mid-high-percentile CPU should deliver a balanced gaming experience, though the delta between the 81st percentile GPU and 78th percentile CPU is narrow enough to avoid significant bottlenecking.

Balance and Bottleneck

The performance gap between the CPU and GPU is modest — 78th versus 81st percentile — which generally indicates a well-balanced pairing. However, the nature of the workloads determines which component becomes the limiting factor. In GPU-intensive scenarios like 4K gaming or complex rendering, the RTX 4080 Mobile's 24.72 TFLOPS will be the primary driver, and the CPU's 6 cores may not fully saturate the GPU's capabilities.

In CPU-bound workloads such as physics simulation, data compression, and compilation, the Ryzen 5 8640U becomes the constraint. The PassMark physics score of 1033 and find prime numbers score of 69 highlight that the CPU's integer and physics performance, while solid, is not exceptional. The GPU's compute resources would remain underutilized in these scenarios.

The FPS scaling, while not measured directly, can be inferred from the benchmark data. The GPU's DirectX 12 score of 96 and DirectX 11 score of 244 suggest that the GPU scales well with API efficiency, meaning that in games where the CPU can keep up, the GPU will deliver proportionally higher frame rates. The narrow percentile gap between components suggests that neither will consistently bottleneck the other in mixed workloads, creating a system where the bottleneck shifts based on the specific application.

Who Should Build It

Gamers targeting 1080p and 1440p high-refresh displays will find this pairing suitable, with the GPU's 81st percentile performance providing headroom for ultra settings and ray tracing. The 12 GB VRAM future-proofs against increasing memory demands in upcoming titles, and the CPU's single-thread performance ensures responsive gameplay in esports titles.

Content creators working with video editing and motion graphics will benefit from the GPU's 11191 compute score and the CPU's 10433 multi-core Cinebench score. The combined performance handles 4K video timelines, effects rendering, and export tasks without requiring a dedicated desktop workstation. The 80 ROPS and 386.3 GTexel/s texture rate support high-resolution compositing.

Software developers and data analysts will appreciate the CPU's balanced multi-threaded performance, including the PassMark data encryption score of 14013 and data compression score of 230080. The 16 MB L3 cache and 89.6 GB/s memory bandwidth facilitate rapid data processing, while the GPU's compute capabilities enable local machine learning experimentation.

Students and small business users in technical fields who need a single machine for coursework, research, and productivity will find this build capable of handling everything from office documents to computational simulations. The CPU's 6 cores and 12 threads manage multitasking efficiently, and the GPU accelerates any graphics-intensive academic work.

CPU Analysis

The AMD Ryzen 5 8640U features 6 cores and 12 threads based on the Zen 4 architecture, codenamed Hawk Point, manufactured on TSMC's 4 nm process. The CPU contains 25,000 million transistors on a 178 mm² die, with a base clock of 3.50 GHz and boost clock of 4.90 GHz. The 28 W TDP indicates an efficient mobile design suitable for thin-and-light laptops.

The cache hierarchy includes 64 KB L1 per core, 1 MB L2 per core, and 16 MB shared L3 cache. This configuration supports the 89.6 GB/s dual-channel DDR5 memory bandwidth, which is adequate for the CPU's performance class. The PCIe Gen 4 interface with 20 lanes provides sufficient connectivity for the GPU and NVMe storage.

Benchmark results show the CPU performing at the level of significantly higher-tier processors. The Cinebench R23 multi-core score of 10433 and single-core score of 1651 place it alongside the Intel Core i9-12900HK (0% delta) and Intel Core i7-1280P (0% delta). The PassMark multithread score of 20322 and single-thread score of 3534 confirm consistent performance across different testing methodologies.

Real-world workload performance is strong across the board. The PassMark integer math score of 68051 and floating-point math score of 40330 indicate robust computational capability for scientific and financial applications. The extended instructions score of 16500 shows good SIMD performance for media encoding and processing tasks. The data compression score of 230080 is particularly notable, suggesting excellent performance in file archiving and database workloads.

FAQ

Q: What is the performance tier of the AMD Ryzen 5 8640U?

A: The CPU sits at the 78th percentile among all processors, with an average benchmark score of 26462. It matches the Intel Core i9-12900HK and Intel Core i7-1280P with a 0% delta, and is 0.2% ahead of the AMD Ryzen 7 7435HS.

Q: How much VRAM does the RTX 4080 Mobile have and what is its bandwidth?

A: The GPU has 12 GB of GDDR6 memory on a 192-bit bus, delivering 432.0 GB/s bandwidth with memory clocks at 2250 MHz (18 Gbps effective).

Q: Does this laptop support ray tracing?

A: Yes, the RTX 4080 Mobile includes 58 RT cores dedicated to hardware-accelerated ray tracing, along with 232 tensor cores for AI-enhanced features.

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

A: The Ryzen 5 8640U supports dual-channel DDR5 memory with a bandwidth of 89.6 GB/s, and includes 16 MB of shared L3 cache.

Q: How does the GPU compare to the RTX 4070?

A: The RTX 4080 Mobile has an average benchmark score of 38135, which is 1.3% higher than the NVIDIA GeForce RTX 4070's score of 37648.

Q: What is the process node for each component?

A: The CPU is manufactured on TSMC's 4 nm process, while the GPU uses TSMC's 5 nm process. The CPU die is 178 mm² with 25,000 million transistors, and the GPU die is 294 mm² with 35,800 million transistors.

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

A: This CPU+GPU combination ranks at the 80th percentile among all builds, with the CPU at the 78th percentile and GPU at the 81st percentile.

Upgrade Path and Platform

The CPU uses AMD Socket FP8, which is specific to mobile platforms and does not support processor upgrades in the traditional sense. The Ryzen 5 8640U is part of the 8000 series with the Hawk Point codename, and its 28 W TDP is designed for efficient mobile operation. The integrated Radeon 760M graphics provide a fallback if the discrete GPU is unavailable.

Memory support includes dual-channel DDR5 with 89.6 GB/s bandwidth, and the platform supports PCIe Gen 4 with 20 lanes from the CPU. The GPU connects via PCIe 4.0 x16, providing ample bandwidth for the RTX 4080 Mobile's 12 GB of VRAM. The GPU's TDP of 110 W, combined with the CPU's 28 W TDP, indicates a total power envelope that is manageable for a laptop power supply, though no specific PSU recommendation is provided in the data.

A sensible next upgrade within this platform would focus on increasing memory capacity or storage, as the CPU and GPU are soldered in a mobile form factor. The GPU's 12 GB VRAM and 432.0 GB/s bandwidth are already substantial, and the CPU's performance at the 78th percentile leaves little headroom for meaningful improvement within the same socket. The platform's Active production status for both components suggests ongoing driver and software support.

Build Overview

This is a laptop-class build (buildClass: "laptop") that pairs the AMD Ryzen 5 8640U with the NVIDIA GeForce RTX 4080 Mobile. The combined percentile of 80 places it above the vast majority of systems, with the CPU at the 78th percentile and GPU at the 81st percentile among their respective categories. This configuration represents a high-performance mobile workstation capable of gaming, content creation, and professional workloads.

The CPU's 6-core/12-thread Zen 4 design with 4.90 GHz boost clock provides strong single and multi-threaded performance, while the GPU's 7424 shading units, 12 GB VRAM, and 24.72 TFLOPS deliver top-tier graphics capability. The narrow performance gap between components ensures balanced operation across diverse workloads. For users seeking a laptop that handles demanding applications without compromise, this pairing offers a compelling combination of CPU efficiency and GPU power in a mobile form factor.

Rate My PC: AMD Ryzen 5 8640U + NVIDIA GeForce RTX 4080 Mobile

Apex Performer

System Balance Analysis

AMD Ryzen 5 8640U

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

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

Usage Scenarios

Benchmark Performance

GPU Analysis

Gaming Performance

Balance and Bottleneck

Who Should Build It

CPU Analysis

FAQ

Upgrade Path and Platform

Build Overview

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