Intel Core Ultra 7 255HX vs AMD Ryzen 5 PRO 8640HS
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and AMD Ryzen 5 PRO 8640HS with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255HX 's Advantages
Released 9 months late
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Newer PCIe version (5.0 vs 4)
Larger L3 cache size (30MB vs 16MB)
More modern manufacturing process (3nm vs 4nm)
AMD Ryzen 5 PRO 8640HS 's Advantages
Higher specification of memory (7500 vs 6400)
Higher base frequency (3.5GHz vs 2.4GHz)
Lower TDP (30W vs 55W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+27%
3102
AMD Ryzen 5 PRO 8640HS
2432
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+63%
15879
AMD Ryzen 5 PRO 8640HS
9739
General Parameters
Jan 2025
Release Date
Apr 2024
Intel
Manufacturer
AMD
Laptop
Type
Laptop
x86-64
Instruction Set
-
Arrow Lake
Core Architecture
Hawk Point
255HX
Processor Number
-
FCBGA-2114
Socket
AMD Socket FP7
Arc Graphics (4-Cores)
Integrated Graphics
Radeon 760M
Ultra 7 (Arrow Lake)
Generation
Ryzen 5 (Zen 4 (Hawk Point))
Package
-
Transistor Count
25 billions
3 nm
Manufacturing Process
4 nm
45-55 W
Power Consumption
20-30 W
160 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
-
Intel
Foundry
TSMC
-
Die Size
178 mm²
CPU Performance
8
Performance Cores
6
8
Performance Core Threads
12
2.4 GHz
Performance Core Base Frequency
3.5 GHz
5.2 GHz
Performance Core Turbo Frequency
4.9 GHz
12
Efficiency Cores
-
12
Efficiency Core Threads
-
1.8 GHz
Efficiency Core Base Frequency
-
4.5 GHz
Efficiency Core Turbo Frequency
-
20
Total Core Count
6
20
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
24
Multiplier
35.0
112 K per core
L1 Cache
64 KB per core
2 MB per core
L2 Cache
6 MB
30 MB shared
L3 Cache
16 MB
Yes
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR5-6400
Memory Types
DDR5-5600,LPDDR5x-7500
192 GB
Max Memory Size
256 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
89.6 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
MHz
1850 MHz
GPU Max Dynamic Frequency
2600 MHz
512
Shader Units
-
32
Texture Units
-
16
Raster Operation Units
-
64
Execution Units
8
14
Power Consumption
-
1.9 TFLOPS
Graphics Performance
-
AI Accelerator
-
NPU
AMD Ryzen™ AI
-
Theoretical performance
16 TOPS
Miscellaneous
5.0
PCIe Version
4
24
PCIe Lanes
20
