AMD Ryzen 5 8640U Benchmark, Test and specs

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The AMD Ryzen 5 8640U has 6 cores with 12 threads and is based on the 7. gen of the AMD Ryzen 5 series. The processor uses a mainboard with the FP8 socket and was released in Q1/2024. The AMD Ryzen 5 8640U scores 1,869 points in the Geekbench 5 single-core benchmark. In the Geekbench 5 multi-core benchmark, the result is 8,853 points.
AMD Ryzen 5 8640U

CPU lineage

The segment in which we have classified the AMD Ryzen 5 8640U. Here you can see if it is a desktop processor or a mobile processor or which processor may be the successor of the AMD Ryzen 5 8640U.

Name: AMD Ryzen 5 8640U
Family: AMD Ryzen 5 (84)
CPU group: AMD Ryzen 8040 (20)
Architecture: Hawk Point (Zen 4)
Segment: Mobile
Generation: 7
Predecessor: AMD Ryzen 5 7640U
Successor: --

CPU Cores and Base Frequency

The AMD Ryzen 5 8640U has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 8640U is 3.50 GHz (4.90 GHz). The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.

CPU Cores / Threads: 6 / 12
Core architecture: normal
Cores: 6x Zen 4
Hyperthreading / SMT: Yes
Overclocking: No
Frequency: 3.50 GHz
Turbo Frequency (1 Core): 4.90 GHz
Turbo Frequency (6 Cores): --

Internal Graphics

The AMD Ryzen 5 8640U has integrated graphics, called iGPU for short. Specifically, the AMD Ryzen 5 8640U uses the AMD Radeon 760M, which has 512 texture shaders and 8 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

GPU name: AMD Radeon 760M
GPU frequency: 0.80 GHz
GPU (Turbo): 2.60 GHz
Compute units: 8
Shader: 512
Hardware Raytracing: Yes
Release date: Q1/2023
Max. displays: 4
Generation: 10
Direct X: 12
Technology: 4 nm
Max. GPU Memory: 32 GB
Frame Generation: AMD FSR

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

h265 / HEVC (8 bit): Decode / Encode
h265 / HEVC (10 bit): Decode / Encode
h264: Decode / Encode
VP8: Decode
VP9: Decode
AV1: Decode / Encode
AVC: Decode
VC-1: Decode
JPEG: Decode / Encode

Memory & PCIe

The processor can use up to 256 GB memory in 2 (Dual Channel) memory channels. The maximum memory bandwidth is 120.0 GB/s. The memory type as well as the amount of memory can greatly affect the speed of the system.

Memory type: Memory bandwidth:
DDR5-4800
DDR5-5600
LPDDR5-6400
LPDDR5X-7500
76.8 GB/s
89.6 GB/s
102.4 GB/s
120.0 GB/s
Max. Memory: 256 GB
Memory channels: 2 (Dual Channel)
ECC: Yes
PCIe: 4.0 x 20
PCIe Bandwidth: 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the processor is 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. The TDP usually gives a rough idea of the actual power consumption of the CPU.

TDP (PL1 / PBP): 28 W
TDP (PL2): --
TDP up: 30 W
TDP down: 15 W
Tjunction max.: 100 °C

Technical details

The AMD Ryzen 5 8640U is made in 4 nm. The smaller the manufacturing process of a CPU, the more modern and energy-efficient it is. Overall, the processor has 22.00 MB cache. A large cache can greatly speed up the processor's speed in some cases such as games.

Technology: 4 nm
Chip design: Monolithic
Socket: FP8
L2-Cache: 6.00 MB
L3-Cache: 16.00 MB
AES-NI: Yes
Operating systems: Windows 10, Windows 11, Linux
Virtualization: AMD-V, SVM
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
Release date: Q1/2024
Release price: --
Part Number: 100-000001313
Documents: Technical data sheet

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Benchmark results

Verified Benchmark results
The benchmark results for the AMD Ryzen 5 8640U have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.


Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i7-11700K Intel Core i7-11700K
8C 16T @ 5.00 GHz
1569
Intel Core i5-11600K Intel Core i5-11600K
6C 12T @ 4.90 GHz
1564
Intel Core i5-11600KF Intel Core i5-11600KF
6C 12T @ 4.90 GHz
1564
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1552
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
1552
AMD Ryzen 5 PRO 7640U AMD Ryzen 5 PRO 7640U
6C 12T @ 4.90 GHz
1552
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
1552

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 7730U AMD Ryzen 7 7730U
8C 16T @ 2.80 GHz
10856
Intel Core i5-1340P Intel Core i5-1340P
12C 16T @ 1.80 GHz
10782
AMD Ryzen 7 5825U AMD Ryzen 7 5825U
8C 16T @ 3.50 GHz
10751
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
10675
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
10675
AMD Ryzen 5 PRO 7640U AMD Ryzen 5 PRO 7640U
6C 12T @ 3.50 GHz
10675
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
10675

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core Ultra 9 185H Intel Core Ultra 9 185H
16C 22T @ 5.10 GHz
1873
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
1872
Intel Core i7-12700KF Intel Core i7-12700KF
12C 20T @ 5.00 GHz
1872
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
1869
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
1869
AMD Ryzen 5 PRO 7640U AMD Ryzen 5 PRO 7640U
6C 12T @ 4.90 GHz
1869
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
1869

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 PRO 6860Z AMD Ryzen 7 PRO 6860Z
8C 16T @ 2.70 GHz
8883
AMD EPYC 7301 AMD EPYC 7301
16C 32T @ 2.70 GHz
8864
Intel Xeon Gold 5117 Intel Xeon Gold 5117
14C 28T @ 2.40 GHz
8856
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
8853
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
8853
AMD Ryzen 5 PRO 7640U AMD Ryzen 5 PRO 7640U
6C 12T @ 3.50 GHz
8853
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
8853

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-11900KF Intel Core i9-11900KF
8C 16T @ 5.30 GHz
2349
Intel Core i9-12950HX Intel Core i9-12950HX
16C 24T @ 5.00 GHz
2349
Intel Xeon E-2378G Intel Xeon E-2378G
8C 16T @ 5.10 GHz
2348
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 4.90 GHz
2340
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 4.90 GHz
2340
AMD Ryzen 5 PRO 7640U AMD Ryzen 5 PRO 7640U
6C 12T @ 4.90 GHz
2340
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 4.90 GHz
2340

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i3-14100 Intel Core i3-14100
4C 8T @ 3.50 GHz
9270
AMD Ryzen Threadripper 2970WX AMD Ryzen Threadripper 2970WX
24C 48T @ 3.00 GHz
9243
Intel Core i7-11800H Intel Core i7-11800H
8C 16T @ 3.40 GHz
9219
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
6C 12T @ 3.50 GHz
9197
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
6C 12T @ 3.50 GHz
9197
AMD Ryzen 5 PRO 7640U AMD Ryzen 5 PRO 7640U
6C 12T @ 3.50 GHz
9197
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
6C 12T @ 3.50 GHz
9197

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen 5 8600G AMD Ryzen 5 8600G
AMD Radeon 760M @ 2.80 GHz
2868
Apple M2 (8-GPU) Apple M2 (8-GPU)
Apple M2 (8 Core) @ 1.40 GHz
2840
Apple M3 (8-GPU) Apple M3 (8-GPU)
Apple M3 (8 Core) @ 1.40 GHz
2840
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
AMD Radeon 760M @ 2.60 GHz
2663
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
AMD Radeon 760M @ 2.60 GHz
2663
AMD Ryzen 5 PRO 8640HS AMD Ryzen 5 PRO 8640HS
AMD Radeon 760M @ 2.60 GHz
2663
AMD Ryzen 5 PRO 8645HS AMD Ryzen 5 PRO 8645HS
AMD Radeon 760M @ 2.60 GHz
2663

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 7 PRO 8840U AMD Ryzen 7 PRO 8840U
13,450 CB R23 MC @ 30 W
448
AMD Ryzen 5 7640U AMD Ryzen 5 7640U
10,675 CB R23 MC @ 24 W
445
AMD Ryzen 5 PRO 8640U AMD Ryzen 5 PRO 8640U
10,675 CB R23 MC @ 24 W
445
AMD Ryzen 5 8640U AMD Ryzen 5 8640U
10,675 CB R23 MC @ 24 W
445
Apple M1 Apple M1
7,759 CB R23 MC @ 18 W
431
Apple M1 (7-GPU) Apple M1 (7-GPU)
7,759 CB R23 MC @ 18 W
431
Apple M2 (8-GPU) Apple M2 (8-GPU)
8,558 CB R23 MC @ 20 W
428

Benchmarks





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