Intel Core i9 12900F vs Intel Core i9 9940X
CPU Specs Compare
General Parameters
Release Date
Jan 2022
Oct 2018
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Core Architecture
Alder Lake-S
Skylake
Integrated Graphics
N/A
N/A
Generation
Core i9 (Alder Lake-S)
-
Instruction Set
-
x86-64
Processor Number
-
i9-9940X
Package
Manufacturing Process
10 nm
14 nm
Socket
Intel Socket 1700
LGA-2066
Power Consumption
65 W
165 W
Peak Operating Temperature
72 °C
88 °C
Foundry
Intel
-
Die Size
215 mm²
-
Package
FC-LGA16A
-
CPU Performance
Performance Cores
8
14
Performance Core Threads
16
28
Performance Core Base Frequency
2.4 GHz
3.3 GHz
Performance Core Turbo Frequency
5.1 GHz
4.4 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
14
Total Thread Count
24
28
Bus Frequency
100 MHz
100 MHz
Multiplier
24.0
33x
L1 Cache
80 KB per core
64 K per core
L2 Cache
1.25 MB per core
1 MB per core
L3 Cache
30 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
-
Memory Parameters
Memory Types
DDR4-3200, DDR5-4800
DDR4-2666
Max Memory Channels
2
4
Max Memory Bandwidth
76.8 GB/s
85 GB/s
ECC Memory Support
No
No
Max Memory Size
-
128 GB
Miscellaneous
PCIe Version
5
3.0
PCIe Lanes
20
44
Extended Instruction Set
-
SSE4.1, SSE4.2, AVX-2, AVX-512
📊 Benchmark
Cinebench R23
1,988
1,228
Cinebench R23
26,455
15,351
Geekbench 6
2,572
1,328
Geekbench 6
13,687
9,787
Geekbench 5
-
1,189
Geekbench 5
-
14,374