Intel Core i9 9900KF vs Intel Core i7 9800X
We compared two desktop CPUs: Intel Core i9 9900KF with 8 cores 3.6GHz and Intel Core i7 9800X with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 9900KF 's Advantages
Lower TDP (95W vs 165W)
Intel Core i7 9800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.8GHz vs 3.6GHz)
Larger L3 cache size (17MB vs 16MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 9900KF
1260
Intel Core i7 9800X
1263
Cinebench R23 Multi Core
Intel Core i9 9900KF
12606
Intel Core i7 9800X
+3%
13055
Geekbench 6 Single Core
Intel Core i9 9900KF
+22%
1612
Intel Core i7 9800X
1314
Geekbench 6 Multi Core
Intel Core i9 9900KF
7648
Intel Core i7 9800X
+4%
7991
Geekbench 5 Single Core
Intel Core i9 9900KF
+6%
1300
Intel Core i7 9800X
1225
Geekbench 5 Multi Core
Intel Core i9 9900KF
8856
Intel Core i7 9800X
+8%
9648
Passmark CPU Single Core
Intel Core i9 9900KF
+14%
2945
Intel Core i7 9800X
2573
Passmark CPU Multi Core
Intel Core i9 9900KF
+1%
18462
Intel Core i7 9800X
18121
General Parameters
Jan 2019
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i9-9900KF
Processor Number
i7-9800X
LGA-1151
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
95 W
Power Consumption
165 W
100 °C
Peak Operating Temperature
95 °C
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
16
3.6 GHz
Performance Core Base Frequency
3.8 GHz
5 GHz
Performance Core Turbo Frequency
4.4 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
38x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
16 MB shared
L3 Cache
17 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
44
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
