Intel Core i9 10900KF vs Intel Core i7 1255U
CPU Specs Compare
General Parameters
Release Date
May 2020
Feb 2022
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Comet Lake
Alder Lake
Processor Number
i9-10900KF
i7-1255U
Integrated Graphics
N/A
Iris Xe Graphics (96EU)
Package
Manufacturing Process
14 nm
10 nm
Socket
LGA-1200
BGA-1744
Power Consumption
125 W
12-15 W
Peak Operating Temperature
100 °C
100°C
Max Turbo Power Consumption
-
55 W
CPU Performance
Performance Cores
10
2
Performance Core Threads
20
4
Performance Core Base Frequency
3.7 GHz
1.7 GHz
Performance Core Turbo Frequency
5.3 GHz
4.7 GHz
Total Core Count
10
10
Total Thread Count
20
12
Bus Frequency
100 MHz
100 MHz
Multiplier
37x
17x
L1 Cache
64 K per core
80 K per core
L2 Cache
256 K per core
1280 K per core
L3 Cache
20 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
Efficiency Cores
-
8
Efficiency Core Threads
-
8
Efficiency Core Base Frequency
-
1.2 GHz
Efficiency Core Turbo Frequency
-
3.5 GHz
Memory Parameters
Memory Types
DDR4-2933
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
128 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
45.8 GB/s
76.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
-
true
GPU Base Frequency
-
300 MHz
GPU Max Dynamic Frequency
-
1250 MHz
Shader Units
-
768
Texture Units
-
48
Raster Operation Units
-
24
Execution Units
-
96
Power Consumption
-
15 W
📊 Benchmark
Cinebench R23
1,375
1,701
Cinebench R23
13,761
8,233
Geekbench 6
1,741
2,248
Geekbench 5
1,301
1,628
Geekbench 6
7,414
7,162
Geekbench 5
11,050
7,372
Cinebench 2024
936
-
Blender
271
125
Passmark CPU
3,118
3,308
Passmark CPU
22,915
13,792