Home/Processors/AMD Ryzen 5 8645HS
AMD Ryzen 5 8645HS
AMD Laptop CPU

AMD Ryzen 5 8645HS

58B
Cores6
Threads12
Boost Clock5 GHz
TDP35-54 W (configurable)
SocketFP8
Process4 nm
⇄ Compare with…

Benchmarks

Perf.53
iGPU65
Energy73
Cinebench 2024 Single-Core103
Cinebench 2024 Multi-Core727
TDP35-54 W
Cache L316MB
Cinebench 2024 (Single)103
Cinebench 2024 (Multi)727
Geekbench 6 (Single-Core)2668
Geekbench 6 (Multi-Core)11,216
Passmark CPU (Single-Core)3552
Passmark CPU (Multi-Core)21,968
Blender CPU147.75
iGPU FLOPS2.7 TFLOPS

Full specifications

GeekBench v6

File compression
1150 MB/sec
Clang compilation
84.9 Klines/sec
HTML 5 Browser
211.2 pages/sec
PDF Renderer
282.9 Mpixels/sec
Text processing
282.9 pages/sec
Background blur
58.6 images/sec
Photo processing
83.3 images/sec
Ray tracing
18.4 Mpixels/sec

PassMark

Integer math
70.5 GOps/sec
Floating point math
43.6 GOps/sec
Find prime numbers
73M Primes/sec
Random string sorting
31.1M Strings/sec
Data encryption
15.2 GBytes/sec
Data compression
257.4 MBytes/sec
Physics
1075 Frames/sec
Extended instructions
19.5B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
13.5 PPW
Geekbench 6 Multi / Watt
207.7 PPW
Passmark CPU Mark / Watt
406.8 PPW
Blender / Watt
2.74 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 155H

CPU

P-Cores
6
P-Threads
12
Base Frequency (P)
4.3 GHz
Turbo Boost Frequency (P)
5 GHz
Total Cores
6
Total Threads
12
Bus Frequency
100 MHz
Multiplier
43x
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)
35-54 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 8645HS 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

Specifications compiled from NanoReview. Last updated 2026-09-29.

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