Intel Core i9 12900KS vs Intel Core i9 9900X
We compared two desktop CPUs: Intel Core i9 12900KS with 16 cores 3.4GHz and Intel Core i9 9900X with 10 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 12900KS 's Advantages
Released 3 years and 6 months late
Integrated graphics card
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (150W vs 165W)
Intel Core i9 9900X 's Advantages
Larger memory bandwidth (85GB/s vs 76.8GB/s)
Higher base frequency (3.5GHz vs 3.4GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 12900KS
+76%
2082
Intel Core i9 9900X
1182
Cinebench R23 Multi Core
Intel Core i9 12900KS
+98%
27796
Intel Core i9 9900X
13994
Geekbench 6 Single Core
Intel Core i9 12900KS
+75%
2559
Intel Core i9 9900X
1455
Geekbench 6 Multi Core
Intel Core i9 12900KS
+51%
15546
Intel Core i9 9900X
10273
Geekbench 5 Single Core
Intel Core i9 12900KS
+75%
2041
Intel Core i9 9900X
1165
Geekbench 5 Multi Core
Intel Core i9 12900KS
+65%
17685
Intel Core i9 9900X
10704
Passmark CPU Single Core
Intel Core i9 12900KS
+69%
4357
Intel Core i9 9900X
2565
Passmark CPU Multi Core
Intel Core i9 12900KS
+103%
44470
Intel Core i9 9900X
21833
General Parameters
Apr 2022
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake-S
Core Architecture
Skylake
i9-12900KS
Processor Number
i9-9900X
LGA-1700
Socket
LGA-2066
UHD Graphics 770
Integrated Graphics
N/A
Package
10 nm
Manufacturing Process
14 nm
150 W
Power Consumption
165 W
100 °C
Peak Operating Temperature
92 °C
CPU Performance
8
Performance Cores
10
-
Performance Core Threads
20
3.4 GHz
Performance Core Base Frequency
3.5 GHz
5.5 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Efficiency Cores
-
16
Total Core Count
10
24
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
34x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
14 MB shared
L2 Cache
1 MB per core
30 MB shared
L3 Cache
20 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
76.8 GB/s
Max Memory Bandwidth
85 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
300 MHz
GPU Base Frequency
-
1550 MHz
GPU Max Dynamic Frequency
-
256
Shader Units
-
16
Texture Units
-
8
Raster Operation Units
-
32
Execution Units
-
15 W
Power Consumption
-
0.78 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
3.0
20
PCIe Lanes
44
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
