Intel Core i9 12900KF vs Intel Core i7 1255U
CPU Specs Compare
General Parameters
Release Date
Oct 2021
Feb 2022
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Alder Lake
Processor Number
i9-12900KF
i7-1255U
Integrated Graphics
No
Iris Xe Graphics (96EU)
Package
Manufacturing Process
10 nm
10 nm
Socket
LGA-1700
BGA-1744
Power Consumption
125 W
12-15 W
Max Turbo Power Consumption
241 W
55 W
Peak Operating Temperature
100°C
100°C
CPU Performance
Performance Cores
8
2
Performance Core Threads
16
4
Performance Core Base Frequency
3.2 GHz
1.7 GHz
Performance Core Turbo Frequency
5.1 GHz
4.7 GHz
Efficiency Cores
8
8
Efficiency Core Threads
8
8
Efficiency Core Base Frequency
2.4 GHz
1.2 GHz
Efficiency Core Turbo Frequency
3.9 GHz
3.5 GHz
Total Core Count
16
10
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
17x
L1 Cache
64 K per core
80 K per core
L2 Cache
14 MB shared
1280 K per core
L3 Cache
30 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
128 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
76.8 GB/s
ECC Memory Support
Yes
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
2,028
1,701
Cinebench R23
27,422
8,233
Geekbench 6
2,686
2,248
Geekbench 5
1,970
1,628
Geekbench 6
16,130
7,162
Geekbench 5
17,469
7,372
Blender
425
125
Passmark CPU
4,167
3,308
Passmark CPU
41,190
13,792