Home Comparison Intel Core i9 9900K vs Intel Core i5 6400

Intel Core i9 9900K vs Intel Core i5 6400

Intel Core i9 9900K
VS
Intel Core i5 6400
Intel Core i9 9900K
Intel Core i5 6400
We compared two desktop CPUs: Intel Core i9 9900K with 8 cores 3.6GHz and Intel Core i5 6400 with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9900K 's Advantages
Released 3 years and 1 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Higher base frequency (3.6GHz vs 2.7GHz)
Larger L3 cache size (16MB vs 6MB)
Intel Core i5 6400 's Advantages
Lower TDP (65W vs 95W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 9900K +48%
1333
Intel Core i5 6400
898
Cinebench R23 Multi Core
Intel Core i9 9900K +288%
12496
Intel Core i5 6400
3214
Geekbench 6 Single Core
Intel Core i9 9900K +45%
1665
Intel Core i5 6400
1143
Geekbench 6 Multi Core
Intel Core i9 9900K +93%
6395
Intel Core i5 6400
3312
Blender
Intel Core i9 9900K +326%
209
Intel Core i5 6400
49
Geekbench 5 Single Core
Intel Core i9 9900K +48%
1265
Intel Core i5 6400
853
Geekbench 5 Multi Core
Intel Core i9 9900K +199%
8406
Intel Core i5 6400
2805
Passmark CPU Single Core
Intel Core i9 9900K +50%
2945
Intel Core i5 6400
1961
Passmark CPU Multi Core
Intel Core i9 9900K +256%
18381
Intel Core i5 6400
5151
Intel Core i9 9900K
VS
Intel Core i5 6400

General Parameters

Oct 2018
Release Date
Sep 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i9-9900K
Processor Number
i5-6400
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
HD Graphics 530

Package

14 nm
Manufacturing Process
14 nm
95 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
-

CPU Performance

8
Performance Cores
4
16
Performance Core Threads
4
3.6 GHz
Performance Core Base Frequency
2.7 GHz
5 GHz
Performance Core Turbo Frequency
3.3 GHz
8
Total Core Count
4
16
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
27x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
16 MB shared
L3 Cache
6 MB shared
Yes
Unlocked Multiplier
No

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
-
1200 MHz
GPU Max Dynamic Frequency
950 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 i9 9900K
Official Website
Intel Core i5 6400
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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