AMD Ryzen 5 8640HS vs Intel Core Ultra 7 255H
CPU Specs Compare
General Parameters
Release Date
Dec 2023
Jan 2025
Manufacturer
AMD
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Hawk Point
Arrow Lake
Integrated Graphics
Radeon 760M
Arc Graphics 140T
Generation
Ryzen 5 (Zen 4 (Hawk Point))
-
Processor Number
-
255H
Package
Transistor Count
25 billions
-
Manufacturing Process
4 nm
3 nm
Socket
FP8
FCBGA-2049
Power Consumption
28 W
20-28 W
Peak Operating Temperature
100°C
110 °C
Foundry
TSMC
-
Die Size
178 mm²
-
Package
FP8, FP7, FP7r2
-
Max Turbo Power Consumption
-
115 W
CPU Performance
Performance Cores
6
6
Performance Core Threads
12
6
Performance Core Base Frequency
3.5 GHz
2.0 GHz
Performance Core Turbo Frequency
4.9 GHz
5.1 GHz
Total Core Count
6
16
Total Thread Count
12
16
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
20
L1 Cache
64 K per core
112 K per core
L2 Cache
1 MB per core
2 MB per core
L3 Cache
16 MB shared
24 MB shared
Unlocked Multiplier
No
No
SMP
1
-
Efficiency Cores
-
10
Efficiency Core Threads
-
10
Efficiency Core Base Frequency
-
1.5 GHz
Efficiency Core Turbo Frequency
-
4.4 GHz
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
-
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
1500 MHz
-
GPU Max Dynamic Frequency
2600 MHz
2250 MHz
Shader Units
384
-
Texture Units
24
-
Raster Operation Units
16
-
Execution Units
6
-
Power Consumption
15 W
-
Max Resolution
7680x4320 - 60 Hz
-
📊 Benchmark
Cinebench R23
1,724
2,029
Cinebench R23
12,969
20,521
Geekbench 6
2,267
2,823
Geekbench 6
10,369
15,662
Cinebench 2024
99
115
Cinebench 2024
-
1,102
Blender
-
278