Intel Core i9 9940X vs Intel Core i7 12700K
CPU · Specs Compare
General Parameters
Release Date
Oct 2018
Oct 2021
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Alder Lake
Processor Number
i9-9940X
i7-12700K
Integrated Graphics
N/A
UHD Graphics 770
Package
Manufacturing Process
14 nm
10 nm
Socket
LGA-2066
LGA-1700
Power Consumption
165 W
125 W
Peak Operating Temperature
88 °C
100°C
Max Turbo Power Consumption
—
190 W
CPU Performance
Performance Cores
14
8
Performance Core Threads
28
16
Performance Core Base Frequency
3.3 GHz
3.6 GHz
Performance Core Turbo Frequency
4.4 GHz
4.9 GHz
Total Core Count
14
12
Total Thread Count
28
20
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
36x
L1 Cache
64 K per core
80 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
20 MB shared
25 MB shared
Unlocked Multiplier
Yes
Yes
Efficiency Cores
—
4
Efficiency Core Threads
—
4
Efficiency Core Base Frequency
—
2.7 GHz
Efficiency Core Turbo Frequency
—
3.8 GHz
Memory Parameters
Memory Types
DDR4-2666
DDR5-4800, DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
4
2
Max Memory Bandwidth
85 GB/s
76.8 GB/s
ECC Memory Support
No
Yes
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
44
20
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
—
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
300 MHz
GPU Max Dynamic Frequency
—
1500 MHz
Shader Units
—
256
Texture Units
—
16
Raster Operation Units
—
8
Execution Units
—
32
Power Consumption
—
15 W
Benchmark
Cinebench R23
1,228
1,944
Cinebench R23
15,351
22,801
Geekbench 6
1,328
2,625
Geekbench 5
1,189
2,084
Geekbench 6
9,787
14,728
Geekbench 5
14,374
15,499
Cinebench 2024
—
114
Cinebench 2024
—
1,172
Blender
—
364
Passmark CPU
—
4,040
Passmark CPU
—
34,674
▲ Specs Compare
Data sourced from official specifications and benchmark tests.