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Rate My PC: AMD Ryzen 5 8640U + AMD Radeon 860M

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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90 Score

Top 10% Ranking

90 / 100

ULTIMATE READY

Apex Performer

Top 10% 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

93%

PROCESSOR

AMD Ryzen 5 8640U

26,462 Benchmark Score

Top 13% Market Ranking

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GRAPHICS CARD

AMD Radeon 860M

26,401 Benchmark Score

Top 7% Market Ranking

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0-30

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30-60

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60-85

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85-100

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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

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Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

# AMD Ryzen 5 8640U + AMD Radeon 860M: A Mobile Duo That Punches Above Its Weight

The AMD Ryzen 5 8640U paired with the AMD Radeon 860M represents a compelling laptop configuration that sits at the 75th percentile overall among all CPU+GPU combinations. This pairing combines a 6-core Zen 4 processor with a 512-shader RDNA 3.5 integrated graphics solution, creating a platform that delivers desktop-class performance in a mobile form factor. The CPU alone lands at the 78th percentile among all processors, while the GPU sits at the 72nd percentile among all graphics cards, suggesting a well-balanced system where neither component dramatically outclasses the other. The data indicates this is a laptop-class build, and the benchmark scores reveal a platform capable of handling demanding productivity workloads alongside moderate gaming and creative tasks.

Upgrade Path and Platform

The AMD Ryzen 5 8640U uses the AMD Socket FP8, which is a mobile-specific socket design. The platform supports DDR5 memory in a dual-channel configuration, with a memory bandwidth of 89.6 GB/s. This bandwidth figure is crucial for the integrated Radeon 860M, as the GPU shares system memory for its frame buffer. The system memory support is DDR5 only, meaning any upgrade path requires DDR5 modules. The CPU provides PCIe Gen 4 with 20 lanes, which offers sufficient connectivity for modern NVMe SSDs and discrete GPUs in larger laptop chassis designs.

The CPU's 28W TDP and the GPU's 15W TDP combine for a modest total power envelope, which means the system can be cooled by capable air coolers typical of thin-and-light laptops. There is no suggested PSU figure in the data, but the combined 43W TDP for both components indicates that power delivery is not a limiting factor for this platform. The integrated nature of the Radeon 860M means there are no additional power connectors required, simplifying the power delivery design.

A sensible next upgrade path for this platform would focus on memory capacity and speed, as the dual-channel DDR5 configuration directly impacts both CPU and GPU performance. The system's memory bandwidth of 89.6 GB/s is shared between the processor and the integrated graphics, so upgrading to higher-speed DDR5 modules could improve overall system responsiveness. The PCIe Gen 4 interface supports fast NVMe storage, and adding a high-performance SSD would reduce load times and improve application launch speeds. For users who need more compute capability, the FP8 socket is typically soldered in mobile designs, meaning the upgrade path is limited to memory and storage rather than CPU or GPU swaps.

FAQ

Q: What is the socket type for the AMD Ryzen 5 8640U?

A: The AMD Ryzen 5 8640U uses the AMD Socket FP8, which is a mobile-specific socket design.

Q: What memory types does this platform support?

A: The platform supports DDR5 memory in a dual-channel configuration, with a maximum memory bandwidth of 89.6 GB/s.

Q: Does the Radeon 860M have dedicated VRAM?

A: No, the Radeon 860M uses System Shared memory, meaning it relies on the system's DDR5 RAM for graphics memory rather than dedicated VRAM.

Q: What is the combined power draw of the CPU and GPU?

A: The CPU has a 28W TDP and the GPU has a 15W TDP, combining for a total of 43W.

Q: What API features does the Radeon 860M support?

A: The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, making it compatible with modern gaming and rendering APIs.

Q: Is the Ryzen 5 8640U's multiplier unlocked for overclocking?

A: No, the multiplier is locked, which means overclocking is not supported on this processor.

Q: What is the production status of both components?

A: Both the CPU and GPU are listed as Active in production, and the CPU was released on December 5, 2023, while the GPU was released on February 28, 2025.

CPU Analysis

The AMD Ryzen 5 8640U is a 6-core, 12-thread processor based on the Zen 4 architecture, codenamed Hawk Point, manufactured on TSMC's 4 nm process node. The chip contains 25,000 million transistors on a 178 mm² die. The base clock is 3.50 GHz with a boost clock of 4.90 GHz, providing strong single-thread performance for a mobile processor. The cache hierarchy includes 64 KB of L1 cache per core, 1 MB of L2 cache per core, and 16 MB of shared L3 cache. The CPU supports DDR5 memory with a dual-channel bus, achieving 89.6 GB/s of memory bandwidth.

Benchmark results show the Ryzen 5 8640U performing at a high level for its class. In Cinebench R23, the processor scores 10,433 in multi-core and 1,651 in single-core tests. The Geekbench results show 8,185 in multi-core and 2,131 in single-core. These scores place the CPU at the 78th percentile among all CPUs, with an average benchmark score of 26,462. The nearest rivals in terms of average score are the Intel Core i9-12900HK and the Intel Core i7-1280P, both at 26,469 with a 0% delta, and the AMD Ryzen 7 7435HS at 26,402 with a 0.2% delta. The AMD EPYC 8024P trails slightly at 26,555 with a -0.3% delta.

The PassMark suite reveals interesting characteristics. The multi-thread score is 20,322, while the single-thread score is 3,534 (listed twice as passmark_single_thread and passmark_singlethread). The floating point math score is 40,330, and integer math is 68,051. Data compression scores 230,080, while data encryption is 14,013. Extended instructions score 16,500, and random string sorting is 28,066. The physics score is 1,033, and find prime numbers is 69. These results indicate a processor that excels in integer-heavy workloads and data compression, making it well-suited for general productivity and software development tasks. The floating point and physics scores suggest competent rendering capability for a laptop CPU.

Balance and Bottleneck

The performance balance between the Ryzen 5 8640U and the Radeon 860M is remarkably even, as evidenced by their percentile rankings. The CPU sits at the 78th percentile among all processors, while the GPU is at the 72nd percentile among all GPUs. This close alignment suggests that in most workloads, neither component will consistently bottleneck the other. However, the nature of the bottleneck depends on the specific task. In CPU-bound workloads like software compilation, data compression, or spreadsheet calculations, the processor's 6-core/12-thread configuration will determine performance. The data compression score of 230,080 and integer math score of 68,051 indicate strong CPU performance in these areas.

In GPU-bound workloads such as gaming at higher resolutions or 3D rendering, the Radeon 860M's system-shared memory and 512 shading units will be the limiting factor. The GPU's 3.072 TFLOPS FP32 performance and 48.00 GPixel/s pixel rate are respectable for an integrated solution but will constrain performance in graphically intensive applications. The memory bandwidth being "System Dependent" means that slower DDR5 modules could bottleneck the GPU further, while faster memory would help alleviate this constraint.

For gaming, the bottleneck analysis suggests that at lower resolutions, the CPU's strong single-thread performance (2,131 in Geekbench single-core) will keep up with the GPU's output, making the GPU the primary limiter. At higher resolutions, the GPU's system-shared memory will be the dominant constraint, as the bandwidth available to the GPU directly impacts frame rates. The CPU's 89.6 GB/s memory bandwidth is shared, meaning the GPU and CPU compete for the same memory bandwidth in memory-intensive scenarios.

Benchmark Performance

The Ryzen 5 8640U demonstrates strong all-around CPU performance with an average benchmark score of 26,462, placing it at the 78th percentile among all CPUs. The Cinebench R23 multi-core score of 10,433 and single-core score of 1,651 show balanced performance across both multi-threaded and single-threaded workloads. Geekbench results of 8,185 multi-core and 2,131 single-core reinforce this assessment. The PassMark multi-thread score of 20,322 and single-thread score of 3,534 indicate that the processor handles both parallel and sequential tasks effectively.

The Radeon 860M GPU achieves a Geekbench OpenCL score of 22,759 and a Vulkan score of 30,043, with an average benchmark score of 26,401. This places the GPU at the 72nd percentile among all GPUs. The nearest rivals show interesting deltas: the NVIDIA GeForce MX550 scores 26,421 with a -0.1% delta, the NVIDIA GeForce RTX 5060 scores 26,331 with a 0.3% delta, the AMD Radeon RX 5700 XT 50th Anniversary scores 26,553 with a -0.6% delta, and the NVIDIA RTX A4000 scores 26,683 with a -1.1% delta. This data reveals that the Radeon 860M performs comparably to entry-level discrete GPUs, which is remarkable for an integrated solution.

The combined percentile for this CPU+GPU pairing is 75, indicating that the system outperforms three-quarters of all tested combinations. The CPU's 78th percentile and GPU's 72nd percentile combine to create a system that is greater than the sum of its parts, with the balanced pairing ensuring that neither component holds back the other significantly in most workloads.

Who Should Build It

This laptop configuration targets users who need a balance of CPU and GPU performance without the bulk and power requirements of discrete graphics. The 28W CPU TDP and 15W GPU TDP make it ideal for thin-and-light laptops that prioritize portability and battery life. Students will find the Ryzen 5 8640U's single-thread performance of 2,131 in Geekbench sufficient for research, writing, and spreadsheet work, while the 20,322 PassMark multi-thread score handles multitasking with many browser tabs and office applications open simultaneously.

Content creators who work with photos and light video editing will benefit from the Radeon 860M's 3.072 TFLOPS FP32 performance and support for DirectX 12 Ultimate. The GPU's Vulkan score of 30,043 suggests competent performance in GPU-accelerated rendering tasks. Software developers will appreciate the CPU's data encryption score of 14,013 and extended instructions score of 16,500, which support modern security and SIMD workloads. Small business users who run productivity suites and database applications will find the data compression score of 230,080 and integer math score of 68,051 advantageous for data-heavy tasks. The system's 75th combined percentile indicates it outperforms most laptops in its class, making it suitable for users who need above-average performance without a dedicated GPU.

GPU Analysis

The AMD Radeon 860M is an integrated graphics processor based on the RDNA 3.5 architecture, manufactured on TSMC's 4 nm process node. The GPU features a base clock of 600 MHz and a boost clock of 3000 MHz. It contains 512 shading units, 32 texture mapping units, and 16 raster operation units. The GPU also includes 8 ray tracing cores, providing hardware-accelerated ray tracing support. The memory configuration uses System Shared memory, meaning it relies on the system's DDR5 RAM rather than dedicated VRAM, with the memory bus width also being System Shared and bandwidth listed as System Dependent.

The pixel rate is 48.00 GPixel/s, and the texture rate is 96.00 GTexel/s. The FP32 performance is 3.072 TFLOPS, with FP16 performance also at 3.072 TFLOPS at a 1:1 ratio. The GPU interfaces via PCIe 4.0 x8 and supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The power draw is 15W, which is remarkably efficient for the performance delivered.

In benchmark tests, the Radeon 860M achieves a Geekbench OpenCL score of 22,759 and a Vulkan score of 30,043. These scores place the GPU at the 72nd percentile among all GPUs, with an average benchmark score of 26,401. The nearest rival comparisons are notable: the NVIDIA GeForce MX550, a discrete entry-level GPU, scores 26,421 with a -0.1% delta, meaning the Radeon 860M essentially matches it. The comparison with the NVIDIA GeForce RTX 5060 shows a 0.3% delta, indicating the integrated Radeon 860M is statistically indistinguishable from this discrete card in average score. These results suggest that the Radeon 860M is an exceptionally strong integrated GPU that can compete with entry-level discrete solutions.

Build Overview

This build pairs the AMD Ryzen 5 8640U processor with the AMD Radeon 860M integrated graphics, creating a laptop-class system. The CPU is part of the 8000 series, based on the Zen 4 architecture with the Hawk Point codename, manufactured on a 4 nm process. The GPU is based on the RDNA 3.5 architecture, part of the Navi III IGP generation for Strix Point Mobile. Both components are manufactured by AMD and are currently in Active production status.

The combined percentile for this pairing is 75, placing it in the upper quartile of all CPU+GPU combinations. The CPU's average benchmark score of 26,462 and the GPU's average benchmark score of 26,401 show remarkable alignment, indicating a well-balanced system. The CPU performs at the 78th percentile among all CPUs, while the GPU performs at the 72nd percentile among all GPUs. This configuration is designed for mobile users who need strong CPU performance and competent integrated graphics, without the power and thermal requirements of discrete GPUs. The 4 nm process node for both components contributes to the system's efficiency, with the CPU at 28W and GPU at 15W TDP.

Usage Scenarios

High-Refresh Gaming: The Radeon 860M's Vulkan score of 30,043 and OpenCL score of 22,759 indicate the ability to run esports titles and older games at playable frame rates, though the system-shared memory and 3.072 TFLOPS FP32 performance will limit demanding modern titles to lower settings.

Streaming: The CPU's 12 threads and 10,433 Cinebench R23 multi-core score provide enough headroom for software encoding at moderate bitrates, while the GPU's support for DirectX 12 Ultimate allows for hardware-accelerated encoding in supported applications.

Video Editing: The combined CPU and GPU performance, with the CPU's 16 MB of L3 cache and the GPU's 96.00 GTexel/s texture rate, can handle 1080p video editing timelines with effects, though 4K editing may require proxy workflows due to the system-shared memory limitation.

3D Rendering: The CPU's 40,330 floating point math score and the GPU's 3.072 TFLOPS FP32 performance provide competent rendering capability for hobbyist and student-level 3D work, with ray tracing possible through the 8 RT cores at reduced performance.

Software Development: The CPU's 68,051 integer math score and 230,080 data compression score make it well-suited for code compilation, version control operations, and running development environments, with 12 threads handling parallel builds efficiently.

Student and Office Work: The 3,534 PassMark single-thread score ensures snappy application responsiveness, while the 20,322 multi-thread score handles multitasking with office suites, web browsers, and communication tools simultaneously without noticeable slowdown.

Gaming Performance

The FACT PACK contains no measured FPS data for this exact CPU+GPU combination, so all frame rate discussions are estimates derived from the benchmark scores. The Radeon 860M's Geekbench Vulkan score of 30,043 and OpenCL score of 22,759, combined with its 3.072 TFLOPS FP32 performance, suggest that this integrated GPU can handle esports titles like competitive shooters and MOBAs at 1080p with medium to high settings, likely achieving 60+ FPS in less demanding games. For more graphically intensive titles, the system-shared memory and 512 shading units will limit performance to lower settings or reduced resolutions.

The CPU's strong single-thread performance, evidenced by the 1,651 Cinebench R23 single-core score and 2,131 Geekbench single-core score, ensures that the processor will not bottleneck the GPU in most gaming scenarios. The 89.6 GB/s memory bandwidth is shared between CPU and GPU, which could become a limiting factor in games that require high memory bandwidth. Based on the GPU's 72nd percentile ranking and its comparable average score to the NVIDIA GeForce MX550, users can expect performance similar to an entry-level discrete GPU. Frame rates will vary significantly depending on the game's optimization, resolution, and graphics settings, with the most playable experiences likely found in games released before 2020 or in competitive titles that prioritize frame rate over visual fidelity.

Rate My PC: AMD Ryzen 5 8640U + AMD Radeon 860M

Apex Performer

System Balance Analysis

AMD Ryzen 5 8640U

AMD Radeon 860M

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

Upgrade Path and Platform

FAQ

CPU Analysis

Balance and Bottleneck

Benchmark Performance

Who Should Build It

GPU Analysis

Build Overview

Usage Scenarios

Gaming Performance

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

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