Intel Core i9 11900K vs Intel Core i9 9900X
We compared two desktop CPUs: Intel Core i9 11900K with 8 cores 3.5GHz 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 11900K 's Advantages
Released 2 years and 5 months late
Integrated graphics card
Higher specification of memory (3200 vs 2666)
Newer PCIe version (4.0 vs 3.0)
Lower TDP (125W vs 165W)
Intel Core i9 9900X 's Advantages
Larger memory bandwidth (85GB/s vs 50GB/s)
Larger L3 cache size (20MB vs 16MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 11900K
+39%
1653
Intel Core i9 9900X
1182
Cinebench R23 Multi Core
Intel Core i9 11900K
+15%
16211
Intel Core i9 9900X
13994
Geekbench 6 Single Core
Intel Core i9 11900K
+71%
2492
Intel Core i9 9900X
1455
Geekbench 6 Multi Core
Intel Core i9 11900K
+8%
11197
Intel Core i9 9900X
10273
Geekbench 5 Single Core
Intel Core i9 11900K
+56%
1829
Intel Core i9 9900X
1165
Geekbench 5 Multi Core
Intel Core i9 11900K
+3%
11033
Intel Core i9 9900X
10704
Passmark CPU Single Core
Intel Core i9 11900K
+37%
3520
Intel Core i9 9900X
2565
Passmark CPU Multi Core
Intel Core i9 11900K
+16%
25343
Intel Core i9 9900X
21833
General Parameters
Mar 2021
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Rocket Lake
Core Architecture
Skylake
i9-11900K
Processor Number
i9-9900X
LGA-1200
Socket
LGA-2066
UHD Graphics 750
Integrated Graphics
N/A
-
-
-
Package
-
-
-
14 nm
Manufacturing Process
14 nm
-
-
-
125 W
Power Consumption
165 W
-
-
-
100°C
Peak Operating Temperature
92 °C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
8
Performance Cores
10
16
Performance Core Threads
20
3.5 GHz
Performance Core Base Frequency
3.5 GHz
5.3 GHz
Performance Core Turbo Frequency
4.4 GHz
-
-
-
-
-
-
-
-
-
-
-
-
8
Total Core Count
10
16
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
35x
-
-
-
64 K per core
L1 Cache
64 K per core
512 K per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
20 MB shared
Yes
Unlocked Multiplier
Yes
-
-
-
-
-
-
-
-
-
-
-
-
-
Memory Parameters
DDR4-3200
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
50 GB/s
Max Memory Bandwidth
85 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
300 MHz
GPU Base Frequency
-
1300 MHz
GPU Max Dynamic Frequency
-
256
Shader Units
-
64
Texture Units
-
32
Raster Operation Units
-
32
Execution Units
-
15 W
Power Consumption
-
3840x2160 - 60 Hz
Max Resolution
-
0.46 TFLOPS
Graphics Performance
-
AI Accelerator
-
-
-
-
-
-
Miscellaneous
4.0
PCIe Version
3.0
20
PCIe Lanes
44
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
-
