Ryzen 5 8640U vs Ryzen 5 6600U

Aggregate performance score

Ryzen 5 6600U
2022
6 cores / 12 threads, 15 Watt
10.42
Ryzen 5 8640U
2023
6 cores / 12 threads, 28 Watt
13.24
+27.1%

Ryzen 5 8640U outperforms Ryzen 5 6600U by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 5 6600U and Ryzen 5 8640U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking750570
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD Rembrandt (Zen 3+)no data
Power efficiency65.7444.75
Architecture codenameRembrandt-U (Zen 3+) (2022)Hawk Point-U (Zen 4) (2023)
Release dateJanuary 2022 (2 years ago)6 December 2023 (1 year ago)

Detailed specifications

Ryzen 5 6600U and Ryzen 5 8640U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores6 (Hexa-Core)6 (Hexa-Core)
Threads1212
Base clock speed2.9 GHz3.5 GHz
Boost clock speed4.5 GHz4.9 GHz
L1 cache64K (per core)64 KB (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache16 MB (shared)16 MB (shared)
Chip lithography6 nm4 nm
Die size208 mm2178 mm2
Maximum core temperature95 °C100 °C
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on Ryzen 5 6600U and Ryzen 5 8640U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFP7FP8
Power consumption (TDP)15 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 6600U and Ryzen 5 8640U. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMERyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
FMA+-
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 6600U and Ryzen 5 8640U are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 6600U and Ryzen 5 8640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon 660M ( - 1900 MHz)AMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 6600U and Ryzen 5 8640U.

PCIe version4.04.0
PCI Express lanes2020

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 5 6600U 10.42
Ryzen 5 8640U 13.24
+27.1%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 5 6600U 16545
Ryzen 5 8640U 21025
+27.1%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen 5 6600U 1654
Ryzen 5 8640U 2227
+34.6%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen 5 6600U 6492
Ryzen 5 8640U 8438
+30%

Gaming performance

Pros & cons summary


Performance score 10.42 13.24
Integrated graphics card 16.31 14.90
Chip lithography 6 nm 4 nm
Power consumption (TDP) 15 Watt 28 Watt

Ryzen 5 6600U has 9.5% faster integrated GPU, and 86.7% lower power consumption.

Ryzen 5 8640U, on the other hand, has a 27.1% higher aggregate performance score, and a 50% more advanced lithography process.

The Ryzen 5 8640U is our recommended choice as it beats the Ryzen 5 6600U in performance tests.


Should you still have questions on choice between Ryzen 5 6600U and Ryzen 5 8640U, ask them in Comments section, and we shall answer.

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AMD Ryzen 5 6600U
Ryzen 5 6600U
AMD Ryzen 5 8640U
Ryzen 5 8640U

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Community ratings

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Questions & comments

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