Home Comparison Intel Core i7 6900K vs Intel Core i7 7820X

Intel Core i7 6900K vs Intel Core i7 7820X

Intel Core i7 6900K
VS
Intel Core i7 7820X
Intel Core i7 6900K
Intel Core i7 7820X
We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and Intel Core i7 7820X with 8 cores 3.6GHz . 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 L3 cache size (20MB vs 11MB)
Intel Core i7 7820X 's Advantages
Released 1 years late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (79.47GB/s vs 76.8GB/s)
Higher base frequency (3.6GHz vs 3.2GHz)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 6900K
1151
Intel Core i7 7820X +16%
1338
Cinebench R23 Multi Core
Intel Core i7 6900K
11326
Intel Core i7 7820X +17%
13358
Geekbench 6 Single Core
Intel Core i7 6900K +2%
1286
Intel Core i7 7820X
1252
Geekbench 6 Multi Core
Intel Core i7 6900K
7470
Intel Core i7 7820X
7510
Geekbench 5 Single Core
Intel Core i7 6900K
961
Intel Core i7 7820X +16%
1120
Geekbench 5 Multi Core
Intel Core i7 6900K
7327
Intel Core i7 7820X +16%
8504
Passmark CPU Single Core
Intel Core i7 6900K
2310
Intel Core i7 7820X +9%
2536
Passmark CPU Multi Core
Intel Core i7 6900K
14258
Intel Core i7 7820X +20%
17189
Intel Core i7 6900K
VS
Intel Core i7 7820X

General Parameters

May 2016
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Broadwell E
Core Architecture
Skylake
i7-6900K
Processor Number
i7-7820X
LGA-2011-3
Socket
LGA-2066
N/A
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
140 W
-
Peak Operating Temperature
99 °C

CPU Performance

8
Performance Cores
8
16
Performance Core Threads
16
3.2 GHz
Performance Core Base Frequency
3.6 GHz
3.7 GHz
Performance Core Turbo Frequency
4.3 GHz
8
Total Core Count
8
16
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
20 MB shared
L3 Cache
11 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

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

Miscellaneous

Intel Core i7 6900K
Official Website
Intel Core i7 7820X
3.0
PCIe Version
3.0
40
PCIe Lanes
28
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512

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