Home Comparison Intel Core i9 9900X vs Intel Core i7 6800K

Intel Core i9 9900X vs Intel Core i7 6800K

Intel Core i9 9900X
VS
Intel Core i7 6800K
Intel Core i9 9900X Intel Core i7 6800K
We compared two desktop CPUs: Intel Core i9 9900X with 10 cores 3.5GHz and Intel Core i7 6800K with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i9 9900X 's Advantages
Released 2 years and 5 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Larger memory bandwidth (85GB/s vs 76.8GB/s)
Higher base frequency (3.5GHz vs 3.4GHz)
Larger L3 cache size (20MB vs 15MB)
Intel Core i7 6800K 's Advantages
Lower TDP (140W vs 165W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i9 9900X +23%
1178
Intel Core i7 6800K
951
Cinebench R23 Multi Core
Intel Core i9 9900X +110%
13952
Intel Core i7 6800K
6632
Geekbench 6 Single Core
Intel Core i9 9900X +6%
1455
Intel Core i7 6800K
1363
Geekbench 6 Multi Core
Intel Core i9 9900X +58%
10273
Intel Core i7 6800K
6495
Geekbench 5 Single Core
Intel Core i9 9900X +26%
1165
Intel Core i7 6800K
922
Geekbench 5 Multi Core
Intel Core i9 9900X +93%
10704
Intel Core i7 6800K
5537
Passmark CPU Single Core
Intel Core i9 9900X +13%
2565
Intel Core i7 6800K
2269
Passmark CPU Multi Core
Intel Core i9 9900X +103%
21833
Intel Core i7 6800K
10740
Intel Core i9 9900X
VS
Intel Core i7 6800K

General Parameters

Oct 2018
Release Date
May 2016
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Broadwell E
i9-9900X
Processor Number
i7-6800K
LGA-2066
Socket
LGA-2011-3
N/A
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
LGA-2066
Socket
LGA-2011-3
165 W
Power Consumption
140 W
92 °C
Peak Operating Temperature
-

CPU Performance

10
Performance Cores
6
20
Performance Core Threads
12
3.5 GHz
Performance Core Base Frequency
3.4 GHz
4.4 GHz
Performance Core Turbo Frequency
3.6 GHz
10
Total Core Count
6
20
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
34x
64 K per core
L1 Cache
32 K per core
1 MB per core
L2 Cache
256 K per core
20 MB shared
L3 Cache
15 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR4-2666
Memory Types
DDR4-2133
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
4
85 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Miscellaneous

Intel Core i9 9900X
Official Website
Intel Core i7 6800K
3.0
PCIe Version
3.0
44
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-

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