Home Comparison Intel Core i9 11900K vs Intel Core i9 12900K

Intel Core i9 11900K vs Intel Core i9 12900K

Intel Core i9 11900K
VS
Intel Core i9 12900K
Intel Core i9 11900K
Intel Core i9 12900K
We compared two desktop CPUs: Intel Core i9 11900K with 8 cores 3.5GHz and Intel Core i9 12900K with 16 cores 32GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 12900K 's Advantages
Released 7 months late
Better graphics card performance
Higher specification of memory (4800 vs 3200)
Larger memory bandwidth (76.8GB/s vs 50GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (32GHz vs 3.5GHz)
Larger L3 cache size (30MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 11900K
1653
Intel Core i9 12900K +22%
2028
Cinebench R23 Multi Core
Intel Core i9 11900K
16211
Intel Core i9 12900K +69%
27422
Geekbench 6 Single Core
Intel Core i9 11900K
2492
Intel Core i9 12900K +5%
2631
Geekbench 6 Multi Core
Intel Core i9 11900K
11197
Intel Core i9 12900K +51%
17004
Cinebench 2024 Single Core
Intel Core i9 11900K
102
Intel Core i9 12900K +22%
125
Cinebench 2024 Multi Core
Intel Core i9 11900K
868
Intel Core i9 12900K +81%
1574
Blender
Intel Core i9 11900K
205
Intel Core i9 12900K +105%
422
Geekbench 5 Single Core
Intel Core i9 11900K
1829
Intel Core i9 12900K +7%
1970
Geekbench 5 Multi Core
Intel Core i9 11900K
11033
Intel Core i9 12900K +54%
17028
Passmark CPU Single Core
Intel Core i9 11900K
3520
Intel Core i9 12900K +18%
4173
Passmark CPU Multi Core
Intel Core i9 11900K
25343
Intel Core i9 12900K +63%
41390
Intel Core i9 11900K
VS
Intel Core i9 12900K

General Parameters

Mar 2021
Release Date
Oct 2021
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Rocket Lake
Core Architecture
Alder Lake
i9-11900K
Processor Number
i9-12900K
LGA-1200
Socket
LGA-1700
UHD Graphics 750
Integrated Graphics
UHD Graphics 770

Package

14 nm
Manufacturing Process
10 nm
125 W
Power Consumption
125 W
100°C
Peak Operating Temperature
100°C

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
16
3.5 GHz
Performance Core Base Frequency
3,2 GHz
5.3 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
8
Total Core Count
16
16
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
32x
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
14 MB shared
16 MB shared
L3 Cache
30 MB shared
Yes
Unlocked Multiplier
Yes

Memory Parameters

DDR4-3200
Memory Types
DDR5-4800, DDR4-3200
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
50 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1300 MHz
GPU Max Dynamic Frequency
1550 MHz
256
Shader Units
256
64
Texture Units
16
32
Raster Operation Units
8
32
Execution Units
32
15 W
Power Consumption
15 W
3840x2160 - 60 Hz
Max Resolution
-
0.46 TFLOPS
Graphics Performance
0.78 TFLOPS

Miscellaneous

Intel Core i9 11900K
Official Website
Intel Core i9 12900K
4.0
PCIe Version
5.0
20
PCIe Lanes
20

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