AMD Ryzen 5 8640HS vs Intel Core Ultra 7 355
CPU · Specs Compare
General Parameters
Release Date
Dec 2023
Jan 2026
Manufacturer
AMD
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Hawk Point
—
Integrated Graphics
Radeon 760M
Graphics 4 Xe3
Generation
Ryzen 5 (Zen 4 (Hawk Point))
Intel Core Ultra Series 3
Processor Number
—
355
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
3 nm
Socket
FP8
Custom
Power Consumption
28 W
15-25 W
Peak Operating Temperature
100°C
100 °C
Foundry
TSMC
—
Die Size
178 mm²
—
Package
FP8, FP7, FP7r2
—
Max Turbo Power Consumption
—
55 W
CPU Performance
Performance Cores
6
4
Performance Core Threads
12
4
Performance Core Base Frequency
3.5 GHz
2.3 GHz
Performance Core Turbo Frequency
4.9 GHz
4.7 GHz
Total Core Count
6
8
Total Thread Count
12
8
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
23
L1 Cache
64 K per core
—
L2 Cache
1 MB per core
—
L3 Cache
16 MB shared
12 MB shared
Unlocked Multiplier
No
No
SMP
1
—
Efficiency Cores
—
4
Efficiency Core Threads
—
4
Efficiency Core Base Frequency
—
1.7 GHz
Efficiency Core Turbo Frequency
—
3.5 GHz
Memory Parameters
Memory Types
DDR5-5600, LPDDR5x-7500
LPDDR5X-7467,DDR5-6400
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
119.5 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
2500 MHz
Shader Units
384
—
Texture Units
24
—
Raster Operation Units
16
—
Execution Units
6
4
Power Consumption
15 W
—
Max Resolution
7680x4320 - 60 Hz
7680 x 4320 @ 60Hz
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
12
Benchmark
Cinebench R23
1,724
—
Cinebench R23
12,969
—
Geekbench 6
2,267
2,706
Geekbench 6
10,369
10,277
Cinebench 2024
99
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.