Intel Core i9 9920X vs Intel Core i9 9900KF
We compared two desktop CPUs: Intel Core i9 9920X with 12 cores 3.5GHz and Intel Core i9 9900KF 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 9920X 's Advantages
Larger memory bandwidth (85GB/s vs 41.6GB/s)
Larger L3 cache size (19MB vs 16MB)
Intel Core i9 9900KF 's Advantages
Higher base frequency (3.6GHz vs 3.5GHz)
Lower TDP (95W vs 165W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9920X
1067
Intel Core i9 9900KF
+18%
1260
Cinebench R23 Multi Core
Intel Core i9 9920X
+17%
14793
Intel Core i9 9900KF
12606
Geekbench 6 Single Core
Intel Core i9 9920X
1389
Intel Core i9 9900KF
+16%
1612
Geekbench 6 Multi Core
Intel Core i9 9920X
3027
Intel Core i9 9900KF
+152%
7648
Geekbench 5 Single Core
Intel Core i9 9920X
1171
Intel Core i9 9900KF
+11%
1300
Geekbench 5 Multi Core
Intel Core i9 9920X
+41%
12494
Intel Core i9 9900KF
8856
Passmark CPU Single Core
Intel Core i9 9920X
2608
Intel Core i9 9900KF
+12%
2945
Passmark CPU Multi Core
Intel Core i9 9920X
+35%
25060
Intel Core i9 9900KF
18462
General Parameters
Oct 2018
Release Date
Jan 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Coffee Lake
i9-9920X
Processor Number
i9-9900KF
LGA-2066
Socket
LGA-1151
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
165 W
Power Consumption
95 W
92 °C
Peak Operating Temperature
100 °C
CPU Performance
12
Performance Cores
8
24
Performance Core Threads
16
3.5 GHz
Performance Core Base Frequency
3.6 GHz
4.4 GHz
Performance Core Turbo Frequency
5 GHz
12
Total Core Count
8
24
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
19 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
Miscellaneous
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
