Intel Core i7 6900K vs Intel Core i5 10400F
We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and Intel Core i5 10400F with 6 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 6900K 's Advantages
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Higher base frequency (3.2GHz vs 2.9GHz)
Larger L3 cache size (20MB vs 12MB)
Intel Core i5 10400F 's Advantages
Released 4 years late
Higher specification of memory (2666 vs 2133)
Lower TDP (65W vs 140W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 6900K
+4%
1151
Intel Core i5 10400F
1101
Cinebench R23 Multi Core
Intel Core i7 6900K
+49%
11326
Intel Core i5 10400F
7576
Geekbench 6 Single Core
Intel Core i7 6900K
1286
Intel Core i5 10400F
+13%
1459
Geekbench 6 Multi Core
Intel Core i7 6900K
+20%
7470
Intel Core i5 10400F
6209
Blender
Intel Core i7 6900K
+34%
192
Intel Core i5 10400F
143
Geekbench 5 Single Core
Intel Core i7 6900K
961
Intel Core i5 10400F
+14%
1101
Geekbench 5 Multi Core
Intel Core i7 6900K
+21%
7327
Intel Core i5 10400F
6041
Passmark CPU Single Core
Intel Core i7 6900K
2310
Intel Core i5 10400F
+10%
2551
Passmark CPU Multi Core
Intel Core i7 6900K
+15%
14258
Intel Core i5 10400F
12350
General Parameters
May 2016
Release Date
May 2020
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Broadwell E
Core Architecture
Comet Lake
i7-6900K
Processor Number
i5-10400F
LGA-2011-3
Socket
LGA-1200
N/A
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
65 W
-
Peak Operating Temperature
100 °C
CPU Performance
8
Performance Cores
6
16
Performance Core Threads
12
3.2 GHz
Performance Core Base Frequency
2.9 GHz
3.7 GHz
Performance Core Turbo Frequency
4.3 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
29x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2133
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
41.6 GB/s
No
ECC Memory Support
No
