Intel Core i9 11900 vs Intel Core i9 12900KS
CPU Specs Compare
General Parameters
Release Date
Mar 2021
Apr 2022
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Rocket Lake
Alder Lake-S
Processor Number
i9-11900
i9-12900KS
Integrated Graphics
UHD Graphics 750
UHD Graphics 770
Package
Manufacturing Process
14 nm
10 nm
Socket
LGA-1200
LGA-1700
Power Consumption
65 W
150 W
Peak Operating Temperature
100 °C
100 °C
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
-
Performance Core Base Frequency
2.5 GHz
3.4 GHz
Performance Core Turbo Frequency
5.2 GHz
5.5 GHz
Total Core Count
8
16
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
25x
34x
L1 Cache
64 K per core
64 K per core
L2 Cache
512 K per core
14 MB shared
L3 Cache
16 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
Efficiency Cores
-
8
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
Yes
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
15 W
Max Resolution
3840x2160 - 60 Hz
-
📊 Benchmark
Cinebench R23
1,451
2,082
Cinebench R23
13,236
27,796
Geekbench 6
2,152
2,559
Geekbench 6
5,320
15,546
Blender
145
-
Passmark CPU
-
4,357
Passmark CPU
-
44,470