AMD Ryzen 9 6900HS 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 680M
Arc Graphics (4-Cores)
Processor Number
—
251HX
Package
Manufacturing Process
6 nm
3 nm
Socket
FP7
FCBGA-2114
Power Consumption
35 W
45-55 W
Peak Operating Temperature
95 °C
105 °C
Max Turbo Power Consumption
—
160 W
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
6
Performance Core Base Frequency
3.3 GHz
2.9 GHz
Performance Core Turbo Frequency
4.9 GHz
5.1 GHz
Total Core Count
8
18
Total Thread Count
16
18
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
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
DDR5-5200, 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
2000 MHz
300 MHz
GPU Max Dynamic Frequency
2400 MHz
1800 MHz
Shader Units
768
512
Texture Units
48
32
Raster Operation Units
32
16
Execution Units
12
64
Power Consumption
15 W
14
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
24
Benchmark
Cinebench R23
1,557
—
Cinebench R23
12,922
—
Geekbench 6
1,985
2,940
Geekbench 5
1,526
—
Geekbench 6
9,206
15,262
Geekbench 5
9,154
—
Blender
213
—
Passmark CPU
3,323
—
Passmark CPU
23,895
—
Cinebench 2024
—
130
Cinebench 2024
—
1,761
▲ Specs Compare
Data sourced from official specifications and benchmark tests.