Home Comparison Intel Core i9 9900X vs Intel Core i9 9900K

Intel Core i9 9900X vs Intel Core i9 9900K

Intel Core i9 9900X
VS
Intel Core i9 9900K
Intel Core i9 9900X Intel Core i9 9900K
We compared two desktop CPUs: Intel Core i9 9900X with 10 cores 3.5GHz and Intel Core i9 9900K with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9900X 's Advantages
Larger memory bandwidth (85GB/s vs 41.6GB/s)
Larger L3 cache size (20MB vs 16MB)
Intel Core i9 9900K 's Advantages
Integrated graphics card
Higher base frequency (3.6GHz vs 3.5GHz)
Lower TDP (95W vs 165W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 9900X
1178
Intel Core i9 9900K +13%
1338
Cinebench R23 Multi Core
Intel Core i9 9900X +11%
13952
Intel Core i9 9900K
12500
Geekbench 6 Single Core
Intel Core i9 9900X
1455
Intel Core i9 9900K +14%
1665
Geekbench 6 Multi Core
Intel Core i9 9900X +60%
10273
Intel Core i9 9900K
6395
Geekbench 5 Single Core
Intel Core i9 9900X
1165
Intel Core i9 9900K +8%
1265
Geekbench 5 Multi Core
Intel Core i9 9900X +27%
10704
Intel Core i9 9900K
8406
Passmark CPU Single Core
Intel Core i9 9900X
2565
Intel Core i9 9900K +14%
2945
Passmark CPU Multi Core
Intel Core i9 9900X +18%
21833
Intel Core i9 9900K
18381
Intel Core i9 9900X
VS
Intel Core i9 9900K

General Parameters

Oct 2018
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Coffee Lake
i9-9900X
Processor Number
i9-9900K
LGA-2066
Socket
LGA-1151
N/A
Integrated Graphics
UHD Graphics 630

Package

14 nm
Manufacturing Process
14 nm
LGA-2066
Socket
LGA-1151
165 W
Power Consumption
95 W
92 °C
Peak Operating Temperature
100 °C

CPU Performance

10
Performance Cores
8
20
Performance Core Threads
16
3.5 GHz
Performance Core Base Frequency
3.6 GHz
4.4 GHz
Performance Core Turbo Frequency
5 GHz
10
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
16 MB shared
Yes
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
85 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

-
Integrated Graphics
true
-
GPU Base Frequency
350 MHz
-
GPU Max Dynamic Frequency
1200 MHz
-
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i9 9900X
Official Website
Intel Core i9 9900K
3.0
PCIe Version
3.0
44
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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