Intel Core Ultra 7 251HX vs AMD Ryzen 5 8640U
CPU · Specs Compare
General Parameters
Release Date
Apr 2026
Dec 2023
Manufacturer
Intel
AMD
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Hawk Point
Processor Number
251HX
—
Integrated Graphics
Arc Graphics (4-Cores)
Radeon 760M
Generation
—
Ryzen 5 (Zen 4 (Hawk Point))
Package
Manufacturing Process
3 nm
4 nm
Socket
FCBGA-2114
FP7
Power Consumption
45-55 W
15-30 W
Max Turbo Power Consumption
160 W
—
Peak Operating Temperature
105 °C
100°C
Transistor Count
—
25 billions
Foundry
—
TSMC
Die Size
—
178 mm²
Package
—
FP8, FP7, FP7r2
CPU Performance
Performance Cores
6
6
Performance Core Threads
6
12
Performance Core Base Frequency
2.9 GHz
3.5 GHz
Performance Core Turbo Frequency
5.1 GHz
4.9 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
2.5 GHz
—
Efficiency Core Turbo Frequency
4.5 GHz
—
Total Core Count
18
6
Total Thread Count
18
12
Bus Frequency
100 MHz
100 MHz
Multiplier
29
35x
L1 Cache
192 K per core
64 K per core
L2 Cache
2 MB per core
1 MB per core
L3 Cache
30 MB shared
16 MB shared
Unlocked Multiplier
Yes
No
SMP
—
1
Memory Parameters
Memory Types
DDR5-6400
DDR5-5600, LPDDR5x-7500
Max Memory Size
256 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
89.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
1500 MHz
GPU Max Dynamic Frequency
1800 MHz
2600 MHz
Shader Units
512
384
Texture Units
32
24
Raster Operation Units
16
16
Execution Units
64
6
Power Consumption
14
15 W
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
24
20
Benchmark
Geekbench 6
2,940
2,419
Geekbench 6
15,262
10,350
Cinebench 2024
130
—
Cinebench 2024
1,761
—
Cinebench R23
—
1,780
Cinebench R23
—
11,267
▲ Specs Compare
Data sourced from official specifications and benchmark tests.