Intel Core i9 12900K vs Intel Core i3 8100
CPU Specs Compare
General Parameters
Release Date
Oct 2021
Oct 2017
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Coffee Lake
Processor Number
i9-12900K
i3-8100
Integrated Graphics
UHD Graphics 770
UHD Graphics 630
Package
Manufacturing Process
10 nm
14 nm
Socket
LGA-1700
LGA-1151
Power Consumption
125 W
65 W
Peak Operating Temperature
100°C
100 °C
CPU Performance
Performance Cores
8
4
Performance Core Threads
16
4
Performance Core Base Frequency
3,2 GHz
3.6 GHz
Performance Core Turbo Frequency
5.1 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
2.4 GHz
-
Efficiency Core Turbo Frequency
3.9 GHz
-
Total Core Count
16
4
Total Thread Count
24
4
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
28x
L1 Cache
64 K per core
64 K per core
L2 Cache
14 MB shared
256 K per core
L3 Cache
30 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR4-2400
Max Memory Size
128 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
37.5 GB/s
ECC Memory Support
Yes
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
350 MHz
GPU Max Dynamic Frequency
1550 MHz
1100 MHz
Shader Units
256
192
Texture Units
16
24
Raster Operation Units
8
3
Execution Units
32
24
Power Consumption
15 W
15 W
Max Resolution
-
4096x2304 - 60 Hz
Miscellaneous
📊 Benchmark
Cinebench R23
2,028
936
Cinebench R23
27,422
3,597
Geekbench 6
2,631
1,223
Geekbench 6
17,004
3,646
Blender
422
62
Geekbench 5
-
946
Geekbench 5
-
3,315
Passmark CPU
-
2,224
Passmark CPU
-
6,158