Home Comparison Intel Core i7 6900K vs Intel Core i5 9400

Intel Core i7 6900K vs Intel Core i5 9400

We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and Intel Core i5 9400 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 9MB)
Intel Core i5 9400 's Advantages
Released 2 years and 8 months late
Integrated graphics card
Higher specification of memory (2666 vs 2133)
Lower TDP (65W vs 140W)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i7 6900K +16%
1286
Intel Core i5 9400
1102
Geekbench 6 Multi Core
Intel Core i7 6900K +223%
7470
Intel Core i5 9400
2309
Blender
Intel Core i7 6900K +128%
192
Intel Core i5 9400
84
Geekbench 5 Single Core
Intel Core i7 6900K
961
Intel Core i5 9400 +9%
1048
Geekbench 5 Multi Core
Intel Core i7 6900K +59%
7327
Intel Core i5 9400
4599
Passmark CPU Single Core
Intel Core i7 6900K
2310
Intel Core i5 9400 +6%
2457
Passmark CPU Multi Core
Intel Core i7 6900K +51%
14258
Intel Core i5 9400
9431
VS

General Parameters

May 2016
Release Date
Jan 2019
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Broadwell E
Core Architecture
Coffee Lake
i7-6900K
Processor Number
i5-9400
LGA-2011-3
Socket
LGA-1151
N/A
Integrated Graphics
UHD Graphics 630

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
6
3.2 GHz
Performance Core Base Frequency
2.9 GHz
3.7 GHz
Performance Core Turbo Frequency
4.1 GHz
8
Total Core Count
6
16
Total Thread Count
6
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
9 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

Graphics Card Parameters

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

Miscellaneous

3.0
PCIe Version
3.0
40
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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