Intel Core i9 12900HX vs Intel Core i9 11900K
CPU · Specs Compare
General Parameters
Release Date
May 2022
Mar 2021
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Rocket Lake
Processor Number
i9-12900HX
i9-11900K
Integrated Graphics
UHD Graphics (32EU)
UHD Graphics 750
Package
Manufacturing Process
10 nm
14 nm
Socket
BGA-1964
LGA-1200
Power Consumption
45-55 W
125 W
Max Turbo Power Consumption
157 W
—
Peak Operating Temperature
100°C
100°C
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
2.3 GHz
3.5 GHz
Performance Core Turbo Frequency
5 GHz
5.3 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
1.7 GHz
—
Efficiency Core Turbo Frequency
3.6 GHz
—
Total Core Count
16
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
23x
35x
L1 Cache
80 K per core
64 K per core
L2 Cache
1280 K per core
512 K per core
L3 Cache
30 MB shared
16 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
50 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
1550 MHz
1300 MHz
Shader Units
256
256
Texture Units
16
64
Raster Operation Units
8
32
Execution Units
32
32
Power Consumption
45 W
15 W
Max Resolution
—
3840x2160 - 60 Hz
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,904
1,653
Cinebench R23
20,977
16,211
Geekbench 6
2,519
2,492
Geekbench 5
1,896
1,829
Geekbench 6
14,447
11,197
Geekbench 5
16,154
11,033
Blender
280
205
Passmark CPU
3,874
3,520
Passmark CPU
34,632
25,343
▲ Specs Compare
Data sourced from official specifications and benchmark tests.