Intel Core i5 10400F vs Intel Core i9 7900X
We compared two desktop CPUs: Intel Core i5 10400F with 6 cores 2.9GHz 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 i5 10400F Advantages
Released 3 years late
Lower TDP (65W vs 140W)
Intel Core i9 7900X Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.3GHz vs 2.9GHz)
Larger L3 cache size (14MB vs 12MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 10400F
1101
Intel Core i9 7900X
+9%
1203
Cinebench R23 Multi Core
Intel Core i5 10400F
7576
Intel Core i9 7900X
+97%
14998
Geekbench 6 Single Core
Intel Core i5 10400F
+10%
1459
Intel Core i9 7900X
1323
Geekbench 6 Multi Core
Intel Core i5 10400F
6209
Intel Core i9 7900X
+37%
8536
Geekbench 5 Single Core
Intel Core i5 10400F
1101
Intel Core i9 7900X
+2%
1127
Geekbench 5 Multi Core
Intel Core i5 10400F
6041
Intel Core i9 7900X
+68%
10189
Passmark CPU Single Core
Intel Core i5 10400F
2551
Intel Core i9 7900X
2556
Passmark CPU Multi Core
Intel Core i5 10400F
12350
Intel Core i9 7900X
+69%
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
i5-10400F
Processor Number
i9-7900X
LGA-1200
Socket
LGA-2066
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
95 °C
CPU Performance
6
Performance Cores
10
12
Performance Core Threads
20
2.9 GHz
Performance Core Base Frequency
3.3 GHz
4.3 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Total Core Count
10
12
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
33x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
14 MB shared
No
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
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
