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Key specs
Cores
6
Threads
12
Boost Clock
4.9 GHz
TDP
20-30 W (configurable)
Socket
FP8
Process
4 nm
Benchmarks
Rating
52
Perf.
45
iGPU
65
Energy
76
Cinebench 2024 Single-Core
100
Cinebench 2024 Multi-Core
597
TDP
20-30 W
Cache L3
16MB
Cinebench 2024 (Single)
100
Cinebench 2024 (Multi)
597
Geekbench 6 (Single-Core)
2127
Geekbench 6 (Multi-Core)
7865
Passmark CPU (Single-Core)
3512
Passmark CPU (Multi-Core)
19,843
iGPU FLOPS
2.7 TFLOPS
GeekBench v6
File compression
928.4 MB/sec
Clang compilation
53.5 Klines/sec
HTML 5 Browser
169.7 pages/sec
PDF Renderer
200 Mpixels/sec
Text processing
237.7 pages/sec
Background blur
37.6 images/sec
Photo processing
72.3 images/sec
Ray tracing
11.2 Mpixels/sec
PassMark
Integer math
67.1 GOps/sec
Floating point math
39.2 GOps/sec
Find prime numbers
71M Primes/sec
Random string sorting
27.2M Strings/sec
Data encryption
13.5 GBytes/sec
Data compression
225.6 MBytes/sec
Physics
1002 Frames/sec
Extended instructions
15.9B Matrices/sec
Performance Per Watt
Cinebench 2024 / Watt
19.9 PPW
Geekbench 6 Multi / Watt
262.2 PPW
Passmark CPU Mark / Watt
661.4 PPW
General
Vendor
Amd
Released
December 6, 2023
Type
Laptop
Instruction Set
x86-64
Codename
Zen 4 (Hawk Point)
Integrated GPU
Radeon 760M
CPU
P-Cores
6
P-Threads
12
Base Frequency (P)
3.5 GHz
Turbo Boost Frequency (P)
4.9 GHz
Total Cores
6
Total Threads
12
Bus Frequency
100 MHz
Multiplier
35x
L1 Cache
64K (per core)
L2 Cache
1MB (per core)
L3 Cache
16MB (shared)
Unlocked Multiplier
No
Package
Transistors
25 billions
Fabrication Process
4 nm
TDP (PL1)
20-30 W (configurable)
Socket
FP8
Peak Temperature
100°C
iGPU
Integrated Graphics
Radeon 760M
GPU Base Clock
800 MHz
GPU Boost Clock
2600 MHz
Shading Units
512
TMUs
32
ROPs
16
Execution Units
8
TGP
15 W
Memory Support
Memory Types
- DDR5-5600 / - LPDDR5x-7500
Max. Memory Size
256 GB
Memory Channels
2
ECC Support
No
Misc
Official Site
AMD Ryzen 5 8640HS official page
PCI Express Version
4.0
PCI Express Lanes
20
Technologies
- Compute: AVX-512, BMI1, BMI2, F16C, SHA, XDNA2 - Performance: Precision Boost 2, SMT - Virtualization: AMD-V - Security: EVP, NX-Bit, SMAP, SMEP