Intel Core i9 10900KF vs Intel Core i9 7900X
We compared two desktop CPUs: Intel Core i9 10900KF with 10 cores 3.7GHz and Intel Core i9 7900X with 10 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 10900KF 's Advantages
Released 3 years late
Higher specification of memory (2933 vs 2666)
Higher base frequency (3.7GHz vs 3.3GHz)
Larger L3 cache size (20MB vs 14MB)
Lower TDP (125W vs 140W)
Intel Core i9 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 45.8GB/s)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i9 10900KF
+14%
1375
Intel Core i9 7900X
1203
Cinebench R23 Multi Core
Intel Core i9 10900KF
13761
Intel Core i9 7900X
+8%
14998
Geekbench 6 Single Core
Intel Core i9 10900KF
+31%
1741
Intel Core i9 7900X
1323
Geekbench 6 Multi Core
Intel Core i9 10900KF
7414
Intel Core i9 7900X
+15%
8536
Geekbench 5 Single Core
Intel Core i9 10900KF
+15%
1301
Intel Core i9 7900X
1127
Geekbench 5 Multi Core
Intel Core i9 10900KF
+8%
11050
Intel Core i9 7900X
10189
Passmark CPU Single Core
Intel Core i9 10900KF
+21%
3118
Intel Core i9 7900X
2556
Passmark CPU Multi Core
Intel Core i9 10900KF
+9%
22915
Intel Core i9 7900X
20991
General Parameters
May 2020
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Comet Lake
Core Architecture
Skylake
i9-10900KF
Processor Number
i9-7900X
LGA-1200
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
125 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
95 °C
CPU Performance
10
Performance Cores
10
20
Performance Core Threads
20
3.7 GHz
Performance Core Base Frequency
3.3 GHz
5.3 GHz
Performance Core Turbo Frequency
4.3 GHz
10
Total Core Count
10
20
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
37x
Multiplier
33x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
20 MB shared
L3 Cache
14 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2933
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
45.8 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
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
