Home Comparison Intel Core i5 6400 vs Intel Core i9 9960X

Intel Core i5 6400 vs Intel Core i9 9960X

Intel Core i5 6400
VS
Intel Core i9 9960X
Intel Core i5 6400
Intel Core i9 9960X
We compared two desktop CPUs: Intel Core i5 6400 with 4 cores 2.7GHz and Intel Core i9 9960X with 16 cores 3.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6400 's Advantages
Integrated graphics card
Lower TDP (65W vs 165W)
Intel Core i9 9960X 's Advantages
Released 3 years and 1 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (85GB/s vs 34.1GB/s)
Higher base frequency (3.1GHz vs 2.7GHz)
Larger L3 cache size (22MB vs 6MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 6400
898
Intel Core i9 9960X +19%
1075
Cinebench R23 Multi Core
Intel Core i5 6400
3214
Intel Core i9 9960X +458%
17953
Geekbench 6 Single Core
Intel Core i5 6400
1143
Intel Core i9 9960X +25%
1432
Geekbench 6 Multi Core
Intel Core i5 6400
3312
Intel Core i9 9960X +223%
10707
Geekbench 5 Single Core
Intel Core i5 6400
853
Intel Core i9 9960X +37%
1173
Geekbench 5 Multi Core
Intel Core i5 6400
2805
Intel Core i9 9960X +441%
15176
Passmark CPU Single Core
Intel Core i5 6400
1961
Intel Core i9 9960X +32%
2608
Passmark CPU Multi Core
Intel Core i5 6400
5151
Intel Core i9 9960X +492%
30525
Intel Core i5 6400
VS
Intel Core i9 9960X

General Parameters

Sep 2015
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i5-6400
Processor Number
i9-9960X
LGA-1151
Socket
LGA-2066
HD Graphics 530
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
165 W
-
Peak Operating Temperature
85 °C

CPU Performance

4
Performance Cores
16
4
Performance Core Threads
32
2.7 GHz
Performance Core Base Frequency
3.1 GHz
3.3 GHz
Performance Core Turbo Frequency
4.4 GHz
4
Total Core Count
16
4
Total Thread Count
32
100 MHz
Bus Frequency
-
27x
Multiplier
-
64 K per core
L1 Cache
32 K per core
256 K per core
L2 Cache
1 MB per core
6 MB shared
L3 Cache
22 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2133, DDR3L-1600
Memory Types
DDR4-2666
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
34.1 GB/s
Max Memory Bandwidth
85 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
-
950 MHz
GPU Max Dynamic Frequency
-

Miscellaneous

Intel Core i5 6400
Official Website
Intel Core i9 9960X
3.0
PCIe Version
3.0
16
PCIe Lanes
44
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512

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