AMD Ryzen 5 6600U vs Intel Core Ultra 7 251HX
CPU Specs Compare
General Parameters
Release Date
Jan 2022
Apr 2026
Manufacturer
AMD
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Rembrandt
Arrow Lake
Integrated Graphics
Radeon 660M
Arc Graphics (4-Cores)
Processor Number
-
251HX
Package
Manufacturing Process
6 nm
3 nm
Socket
FP7
FCBGA-2114
Power Consumption
15-28 W
45-55 W
Peak Operating Temperature
95 °C
105 °C
Max Turbo Power Consumption
-
160 W
CPU Performance
Performance Cores
6
6
Performance Core Threads
12
6
Performance Core Base Frequency
2.9 GHz
2.9 GHz
Performance Core Turbo Frequency
4.5 GHz
5.1 GHz
Total Core Count
6
18
Total Thread Count
12
18
Bus Frequency
100 MHz
100 MHz
Multiplier
29x
29
L1 Cache
64 K per core
192 K per core
L2 Cache
512 K per core
2 MB per core
L3 Cache
16 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
Efficiency Cores
-
12
Efficiency Core Threads
-
12
Efficiency Core Base Frequency
-
2.5 GHz
Efficiency Core Turbo Frequency
-
4.5 GHz
Memory Parameters
Memory Types
DDR5-4800, LPDDR5-6400
DDR5-6400
Max Memory Channels
4
2
Max Memory Bandwidth
76.8 GB/s
102.4 GB/s
Max Memory Size
-
256 GB
ECC Memory Support
-
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
1500 MHz
300 MHz
GPU Max Dynamic Frequency
1900 MHz
1800 MHz
Shader Units
384
512
Texture Units
24
32
Raster Operation Units
16
16
Execution Units
6
64
Power Consumption
15 W
14
📊 Benchmark
Cinebench R23
1,490
-
Cinebench R23
9,816
-
Geekbench 5
1,473
-
Geekbench 5
7,486
-
Geekbench 6
-
2,940
Geekbench 6
-
15,262
Cinebench 2024
-
130
Cinebench 2024
-
1,761