Intel Core i9 11900K vs Intel Core i9 12900HX
CPU · Specs Compare
General Parameters
Release Date
Mar 2021
May 2022
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Rocket Lake
Alder Lake
Processor Number
i9-11900K
i9-12900HX
Integrated Graphics
UHD Graphics 750
UHD Graphics (32EU)
Package
Manufacturing Process
14 nm
10 nm
Socket
LGA-1200
BGA-1964
Power Consumption
125 W
45-55 W
Peak Operating Temperature
100°C
100°C
Max Turbo Power Consumption
—
157 W
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
3.5 GHz
2.3 GHz
Performance Core Turbo Frequency
5.3 GHz
5 GHz
Total Core Count
8
16
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
23x
L1 Cache
64 K per core
80 K per core
L2 Cache
512 K per core
1280 K per core
L3 Cache
16 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
Efficiency Cores
—
8
Efficiency Core Threads
—
8
Efficiency Core Base Frequency
—
1.7 GHz
Efficiency Core Turbo Frequency
—
3.6 GHz
Memory Parameters
Memory Types
DDR4-3200
DDR5-4800, DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
50 GB/s
76.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1300 MHz
1550 MHz
Shader Units
256
256
Texture Units
64
16
Raster Operation Units
32
8
Execution Units
32
32
Power Consumption
15 W
45 W
Max Resolution
3840x2160 - 60 Hz
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,653
1,904
Cinebench R23
16,211
20,977
Geekbench 6
2,492
2,519
Geekbench 5
1,829
1,896
Geekbench 6
11,197
14,447
Geekbench 5
11,033
16,154
Blender
205
280
Passmark CPU
3,520
3,874
Passmark CPU
25,343
34,632
▲ Specs Compare
Data sourced from official specifications and benchmark tests.