Intel Core i9 12900HK vs Intel Core i9 9940X
CPU · Specs Compare
General Parameters
Release Date
Jan 2022
Oct 2018
Manufacturer
Intel
Intel
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Skylake
Processor Number
i9-12900HK
i9-9940X
Integrated Graphics
Iris Xe Graphics (96EU)
N/A
Package
Manufacturing Process
10 nm
14 nm
Socket
BGA-1744
LGA-2066
Power Consumption
35-45 W
165 W
Max Turbo Power Consumption
115 W
—
Peak Operating Temperature
100°C
88 °C
CPU Performance
Performance Cores
6
14
Performance Core Threads
12
28
Performance Core Base Frequency
2.5 GHz
3.3 GHz
Performance Core Turbo Frequency
5 GHz
4.4 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
1.8 GHz
—
Efficiency Core Turbo Frequency
3.8 GHz
—
Total Core Count
14
14
Total Thread Count
20
28
Bus Frequency
100 MHz
100 MHz
Multiplier
25x
33x
L1 Cache
80 K per core
64 K per core
L2 Cache
1280 K per core
1 MB per core
L3 Cache
24 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
DDR4-2666
Max Memory Size
64 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
76.8 GB/s
85 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1450 MHz
—
Shader Units
768
—
Texture Units
48
—
Raster Operation Units
24
—
Execution Units
96
—
Power Consumption
15 W
—
Miscellaneous
PCIe Version
4.0
3.0
PCIe Lanes
28
44
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
1,934
1,228
Cinebench R23
18,257
15,351
Geekbench 6
2,361
1,328
Geekbench 5
1,793
1,189
Geekbench 6
12,172
9,787
Geekbench 5
13,317
14,374
Blender
253
—
Passmark CPU
3,676
—
Passmark CPU
27,949
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.