Intel Core Ultra 7 251HX vs Intel Core i9 10900KF
CPU Specs Compare
General Parameters
Release Date
Apr 2026
May 2020
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Comet Lake
Processor Number
251HX
i9-10900KF
Integrated Graphics
Arc Graphics (4-Cores)
N/A
Package
Manufacturing Process
3 nm
14 nm
Socket
FCBGA-2114
LGA-1200
Power Consumption
45-55 W
125 W
Max Turbo Power Consumption
160 W
-
Peak Operating Temperature
105 °C
100 °C
CPU Performance
Performance Cores
6
10
Performance Core Threads
6
20
Performance Core Base Frequency
2.9 GHz
3.7 GHz
Performance Core Turbo Frequency
5.1 GHz
5.3 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
10
Total Thread Count
18
20
Bus Frequency
100 MHz
100 MHz
Multiplier
29
37x
L1 Cache
192 K per core
64 K per core
L2 Cache
2 MB per core
256 K per core
L3 Cache
30 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-6400
DDR4-2933
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
45.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1800 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
-
Power Consumption
14
-
📊 Benchmark
Geekbench 6
2,940
1,741
Geekbench 6
15,262
7,414
Cinebench 2024
130
-
Cinebench 2024
1,761
936
Cinebench R23
-
1,375
Cinebench R23
-
13,761
Geekbench 5
-
1,301
Geekbench 5
-
11,050
Blender
-
271
Passmark CPU
-
3,118
Passmark CPU
-
22,915