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Key specs
Cores
6
Threads
12
Boost Clock
4.9 GHz
TDP
15-30 W (configurable)
Socket
FP8
Process
4 nm
Benchmarks
Rating
56
Perf.
50
iGPU
65
Energy
76
Cinebench 2024 Single-Core
103
Cinebench 2024 Multi-Core
611
TDP
15-30 W
Cache L3
16MB
Cinebench 2024 (Single)
103
Cinebench 2024 (Multi)
611
Geekbench 6 (Single-Core)
2519
Geekbench 6 (Multi-Core)
10,308
Passmark CPU (Single-Core)
3459
Passmark CPU (Multi-Core)
19,989
iGPU FLOPS
2.7 TFLOPS
GeekBench v6
File compression
1080 MB/sec
Clang compilation
71 Klines/sec
HTML 5 Browser
226.5 pages/sec
PDF Renderer
260.8 Mpixels/sec
Text processing
259.8 pages/sec
Background blur
48.1 images/sec
Photo processing
94.5 images/sec
Ray tracing
15.5 Mpixels/sec
PassMark
Integer math
66.4 GOps/sec
Floating point math
39.6 GOps/sec
Find prime numbers
68M Primes/sec
Random string sorting
27.7M Strings/sec
Data encryption
13.7 GBytes/sec
Data compression
226.7 MBytes/sec
Physics
1015 Frames/sec
Extended instructions
16.4B Matrices/sec
Performance Per Watt
Cinebench 2024 / Watt
20.4 PPW
Geekbench 6 Multi / Watt
343.6 PPW
Passmark CPU Mark / Watt
666.3 PPW
General
Vendor
Amd
Released
December 6, 2023
Type
Laptop
Instruction Set
x86-64
Codename
Zen 4 (Hawk Point)
Integrated GPU
Radeon 760M
Intel Equivalent
- Intel Core Ultra 7 155U
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)
15-30 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 8640U 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