Home Comparison Intel Core i9 7900X vs Intel Core i9 9900KF

Intel Core i9 7900X vs Intel Core i9 9900KF

Intel Core i9 7900X
VS
Intel Core i9 9900KF
Intel Core i9 7900X
Intel Core i9 9900KF
We compared two desktop CPUs: Intel Core i9 7900X with 10 cores 3.3GHz 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 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Intel Core i9 9900KF 's Advantages
Released 1 years and 8 months late
Higher base frequency (3.6GHz vs 3.3GHz)
Larger L3 cache size (16MB vs 14MB)
Lower TDP (95W vs 140W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 7900X
1203
Intel Core i9 9900KF +4%
1260
Cinebench R23 Multi Core
Intel Core i9 7900X +18%
14998
Intel Core i9 9900KF
12606
Geekbench 6 Single Core
Intel Core i9 7900X
1323
Intel Core i9 9900KF +21%
1612
Geekbench 6 Multi Core
Intel Core i9 7900X +11%
8536
Intel Core i9 9900KF
7648
Geekbench 5 Single Core
Intel Core i9 7900X
1127
Intel Core i9 9900KF +15%
1300
Geekbench 5 Multi Core
Intel Core i9 7900X +15%
10189
Intel Core i9 9900KF
8856
Passmark CPU Single Core
Intel Core i9 7900X
2556
Intel Core i9 9900KF +15%
2945
Passmark CPU Multi Core
Intel Core i9 7900X +13%
20991
Intel Core i9 9900KF
18462
Intel Core i9 7900X
VS
Intel Core i9 9900KF

General Parameters

May 2017
Release Date
Jan 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Coffee Lake
i9-7900X
Processor Number
i9-9900KF
LGA-2066
Socket
LGA-1151
N/A
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
95 W
95 °C
Peak Operating Temperature
100 °C

CPU Performance

10
Performance Cores
8
20
Performance Core Threads
16
3.3 GHz
Performance Core Base Frequency
3.6 GHz
4.3 GHz
Performance Core Turbo Frequency
5 GHz
10
Total Core Count
8
20
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
33x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
14 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
79.47 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No

Miscellaneous

Intel Core i9 7900X
Official Website
Intel Core i9 9900KF
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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