Home Comparison Intel Core i5 6600K vs Intel Core i9 9900X

Intel Core i5 6600K vs Intel Core i9 9900X

Intel Core i5 6600K
VS
Intel Core i9 9900X
Intel Core i5 6600K
Intel Core i9 9900X
We compared two desktop CPUs: Intel Core i5 6600K with 4 cores 3.5GHz and Intel Core i9 9900X with 10 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 6600K 's Advantages
Integrated graphics card
Lower TDP (91W vs 165W)
Intel Core i9 9900X 's Advantages
Released 3 years and 2 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (85GB/s vs 34.1GB/s)
Larger L3 cache size (20MB vs 6MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 6600K
1040
Intel Core i9 9900X +13%
1182
Cinebench R23 Multi Core
Intel Core i5 6600K
3963
Intel Core i9 9900X +253%
13994
Geekbench 6 Single Core
Intel Core i5 6600K +2%
1486
Intel Core i9 9900X
1455
Geekbench 6 Multi Core
Intel Core i5 6600K
4406
Intel Core i9 9900X +133%
10273
Geekbench 5 Single Core
Intel Core i5 6600K
1125
Intel Core i9 9900X +3%
1165
Geekbench 5 Multi Core
Intel Core i5 6600K
3775
Intel Core i9 9900X +183%
10704
Passmark CPU Single Core
Intel Core i5 6600K
2327
Intel Core i9 9900X +10%
2565
Passmark CPU Multi Core
Intel Core i5 6600K
6329
Intel Core i9 9900X +244%
21833
Intel Core i5 6600K
VS
Intel Core i9 9900X

General Parameters

Aug 2015
Release Date
Oct 2018
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i5-6600K
Processor Number
i9-9900X
LGA-1151
Socket
LGA-2066
HD Graphics 530
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
91 W
Power Consumption
165 W
-
Peak Operating Temperature
92 °C

CPU Performance

4
Performance Cores
10
4
Performance Core Threads
20
3.5 GHz
Performance Core Base Frequency
3.5 GHz
3.9 GHz
Performance Core Turbo Frequency
4.4 GHz
4
Total Core Count
10
4
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
35
Multiplier
35x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
6 MB shared
L3 Cache
20 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
-
1150 MHz
GPU Max Dynamic Frequency
-

Miscellaneous

Intel Core i5 6600K
Official Website
Intel Core i9 9900X
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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