Intel Core i9 12900 vs Intel Core i9 11900KF
CPU · Specs Compare
General Parameters
Release Date
Jan 2022
Mar 2021
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Core Architecture
Alder Lake-S
Rocket Lake
Integrated Graphics
UHD Graphics 770
No
Generation
Core i9 (Alder Lake-S)
—
Instruction Set
—
x86-64
Processor Number
—
i9-11900KF
Package
Manufacturing Process
10 nm
14 nm
Socket
Intel Socket 1700
LGA-1200
Power Consumption
65 W
125 W
Peak Operating Temperature
72 °C
100°C
Foundry
Intel
—
Die Size
215 mm²
—
Package
FC-LGA16A
—
CPU Performance
Performance Cores
8
8
Performance Core Threads
16
16
Performance Core Base Frequency
2.4 GHz
3.5 GHz
Performance Core Turbo Frequency
5.1 GHz
5.3 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
1800 MHz
—
Efficiency Core Turbo Frequency
3.8 GHz
—
Total Core Count
16
8
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
24.0
35x
L1 Cache
80 KB per core
64 K per core
L2 Cache
1.25 MB per core
512 K per core
L3 Cache
30 MB shared
16 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
—
Memory Parameters
Memory Types
DDR4-3200, DDR5-4800
DDR4-3200
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
50 GB/s
ECC Memory Support
No
No
Max Memory Size
—
128 GB
Miscellaneous
PCIe Version
5
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
1,988
1,653
Cinebench R23
26,454
14,197
Geekbench 6
2,727
2,536
Geekbench 6
13,396
10,374
Blender
183
218
Geekbench 5
—
1,768
Geekbench 5
—
10,209
Passmark CPU
—
3,557
Passmark CPU
—
25,246
▲ Specs Compare
Data sourced from official specifications and benchmark tests.