Intel Core i9 12900KF vs Intel Core i9 9920X
We compared two desktop CPUs: Intel Core i9 12900KF with 16 cores 3.2GHz and Intel Core i9 9920X with 12 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 12900KF Advantages
Released 3 years late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 19MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (125W vs 165W)
Intel Core i9 9920X Advantages
Larger memory bandwidth (85GB/s vs 76.8GB/s)
Higher base frequency (3.5GHz vs 3.2GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 12900KF
+90%
2028
Intel Core i9 9920X
1067
Cinebench R23 Multi Core
Intel Core i9 12900KF
+85%
27422
Intel Core i9 9920X
14793
Geekbench 6 Single Core
Intel Core i9 12900KF
+93%
2686
Intel Core i9 9920X
1389
Geekbench 6 Multi Core
Intel Core i9 12900KF
+432%
16130
Intel Core i9 9920X
3027
Geekbench 5 Single Core
Intel Core i9 12900KF
+68%
1970
Intel Core i9 9920X
1171
Geekbench 5 Multi Core
Intel Core i9 12900KF
+39%
17469
Intel Core i9 9920X
12494
Passmark CPU Single Core
Intel Core i9 12900KF
+59%
4167
Intel Core i9 9920X
2608
Passmark CPU Multi Core
Intel Core i9 12900KF
+64%
41190
Intel Core i9 9920X
25060
General Parameters
Oct 2021
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Skylake
i9-12900KF
Processor Number
i9-9920X
LGA-1700
Socket
LGA-2066
No
Integrated Graphics
N/A
Package
10 nm
Manufacturing Process
14 nm
125 W
Power Consumption
165 W
241 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
92 °C
CPU Performance
8
Performance Cores
12
16
Performance Core Threads
24
3.2 GHz
Performance Core Base Frequency
3.5 GHz
5.1 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
2.4 GHz
Efficiency Core Base Frequency
-
3.9 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
12
24
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
14 MB shared
L2 Cache
1 MB per core
30 MB shared
L3 Cache
19 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
76.8 GB/s
Max Memory Bandwidth
85 GB/s
Yes
ECC Memory Support
No
Miscellaneous
5.0
PCIe Version
3.0
20
PCIe Lanes
44
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
