Home Comparison Intel Core i5 9400 vs Intel Core i7 6700K

Intel Core i5 9400 vs Intel Core i7 6700K

Intel Core i5 9400
VS
Intel Core i7 6700K
Intel Core i5 9400
Intel Core i7 6700K
We compared two desktop CPUs: Intel Core i5 9400 with 6 cores 2.9GHz and Intel Core i7 6700K with 4 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 9400 's Advantages
Released 3 years and 5 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Larger L3 cache size (9MB vs 8MB)
Lower TDP (65W vs 91W)
Intel Core i7 6700K 's Advantages
Higher base frequency (4.0GHz vs 2.9GHz)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i5 9400
1102
Intel Core i7 6700K +37%
1512
Geekbench 6 Multi Core
Intel Core i5 9400
2309
Intel Core i7 6700K +119%
5068
Blender
Intel Core i5 9400
84
Intel Core i7 6700K +27%
107
Geekbench 5 Single Core
Intel Core i5 9400
1048
Intel Core i7 6700K +3%
1087
Geekbench 5 Multi Core
Intel Core i5 9400 +7%
4599
Intel Core i7 6700K
4271
Passmark CPU Single Core
Intel Core i5 9400
2457
Intel Core i7 6700K +1%
2503
Passmark CPU Multi Core
Intel Core i5 9400 +5%
9431
Intel Core i7 6700K
8928
Intel Core i5 9400
VS
Intel Core i7 6700K

General Parameters

Jan 2019
Release Date
Aug 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i5-9400
Processor Number
i7-6700K
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
HD Graphics 530

Package

-
Transistor Count
1.75 billions
14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
91 W
100 °C
Peak Operating Temperature
-

CPU Performance

6
Performance Cores
4
6
Performance Core Threads
8
2.9 GHz
Performance Core Base Frequency
4.0 GHz
4.1 GHz
Performance Core Turbo Frequency
4.2 GHz
6
Total Core Count
4
6
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
40
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
8 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR4-2133,DDR3L-1600
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
350 MHz
GPU Base Frequency
-
1050 MHz
GPU Max Dynamic Frequency
1150 MHz
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-

Miscellaneous

Intel Core i5 9400
Official Website
Intel Core i7 6700K
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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