Intel Core i5 12600KF vs Intel Core i9 9940X
CPU · Specs Compare
General Parameters
Release Date
Oct 2021
Oct 2018
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Skylake
Processor Number
i5-12600KF
i9-9940X
Integrated Graphics
No
N/A
Package
Manufacturing Process
10 nm
14 nm
Socket
LGA-1700
LGA-2066
Power Consumption
125 W
165 W
Max Turbo Power Consumption
150 W
—
Peak Operating Temperature
100°C
88 °C
CPU Performance
Performance Cores
6
14
Performance Core Threads
12
28
Performance Core Base Frequency
3.7 GHz
3.3 GHz
Performance Core Turbo Frequency
4.9 GHz
4.4 GHz
Efficiency Cores
4
—
Efficiency Core Threads
4
—
Efficiency Core Base Frequency
2.8 GHz
—
Efficiency Core Turbo Frequency
3.6 GHz
—
Total Core Count
10
14
Total Thread Count
16
28
Bus Frequency
100 MHz
100 MHz
Multiplier
37x
33x
L1 Cache
80 K per core
64 K per core
L2 Cache
9728 K shared
1 MB per core
L3 Cache
20 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR4-2666
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
76.8 GB/s
85 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
20
44
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
1,908
1,228
Cinebench R23
17,648
15,351
Geekbench 6
2,597
1,328
Geekbench 5
1,839
1,189
Geekbench 6
12,937
9,787
Geekbench 5
11,626
14,374
Cinebench 2024
105
—
Cinebench 2024
909
—
Blender
273
—
Passmark CPU
3,934
—
Passmark CPU
27,408
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.