Intel Core i9 12900KS vs Intel Core i9 9900KS
We compared two desktop CPUs: Intel Core i9 12900KS with 16 cores 3.4GHz and Intel Core i9 9900KS with 8 cores 4.0GHz . 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 2 years and 6 months late
Better graphics card performance
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i9 9900KS 's Advantages
Higher base frequency (4.0GHz vs 3.4GHz)
Lower TDP (127W vs 150W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 12900KS
+57%
2082
Intel Core i9 9900KS
1323
Cinebench R23 Multi Core
Intel Core i9 12900KS
+108%
27796
Intel Core i9 9900KS
13343
Geekbench 6 Single Core
Intel Core i9 12900KS
+52%
2559
Intel Core i9 9900KS
1678
Geekbench 6 Multi Core
Intel Core i9 12900KS
+77%
15546
Intel Core i9 9900KS
8751
Blender
Intel Core i9 12900KS
+131%
410
Intel Core i9 9900KS
177
Geekbench 5 Single Core
Intel Core i9 12900KS
+46%
2041
Intel Core i9 9900KS
1391
Geekbench 5 Multi Core
Intel Core i9 12900KS
+83%
17685
Intel Core i9 9900KS
9636
Passmark CPU Single Core
Intel Core i9 12900KS
+43%
4357
Intel Core i9 9900KS
3029
Passmark CPU Multi Core
Intel Core i9 12900KS
+129%
44470
Intel Core i9 9900KS
19417
General Parameters
Apr 2022
Release Date
Oct 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake-S
Core Architecture
Coffee Lake
i9-12900KS
Processor Number
i9-9900KS
LGA-1700
Socket
LGA-1151
UHD Graphics 770
Integrated Graphics
UHD Graphics 630
Package
10 nm
Manufacturing Process
14 nm
150 W
Power Consumption
127 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
8
Performance Cores
8
-
Performance Core Threads
16
3.4 GHz
Performance Core Base Frequency
4.0 GHz
5.5 GHz
Performance Core Turbo Frequency
5 GHz
8
Efficiency Cores
-
16
Total Core Count
8
24
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
34x
Multiplier
40x
64 K per core
L1 Cache
64 K per core
14 MB shared
L2 Cache
256 K per core
30 MB shared
L3 Cache
16 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
2
76.8 GB/s
Max Memory Bandwidth
41.6 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1550 MHz
GPU Max Dynamic Frequency
1200 MHz
256
Shader Units
192
16
Texture Units
24
8
Raster Operation Units
3
32
Execution Units
24
15 W
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
0.78 TFLOPS
Graphics Performance
0.38 TFLOPS
Miscellaneous
5.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
