Intel Core i7 7820X vs Intel Core i7 6700K
CPU · Specs Compare
General Parameters
Release Date
May 2017
Aug 2015
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Skylake
Processor Number
i7-7820X
i7-6700K
Integrated Graphics
N/A
HD Graphics 530
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2066
LGA-1151
Power Consumption
140 W
91 W
Peak Operating Temperature
99 °C
—
Transistor Count
—
1.75 billions
CPU Performance
Performance Cores
8
4
Performance Core Threads
16
8
Performance Core Base Frequency
3.6 GHz
4.0 GHz
Performance Core Turbo Frequency
4.3 GHz
4.2 GHz
Total Core Count
8
4
Total Thread Count
16
8
Bus Frequency
100 MHz
100 MHz
Multiplier
36x
40
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
256 K per core
L3 Cache
11 MB shared
8 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-2666
DDR4-2133,DDR3L-1600
Max Memory Size
128 GB
64 GB
Max Memory Channels
4
2
Max Memory Bandwidth
79.47 GB/s
34.1 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
28
16
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
SSE4.1, SSE4.2, AVX-2
Graphics Card Parameters
Integrated Graphics
—
true
GPU Max Dynamic Frequency
—
1150 MHz
Benchmark
Cinebench R23
1,338
1,129
Cinebench R23
13,358
5,646
Geekbench 6
1,252
1,512
Geekbench 5
1,120
1,087
Geekbench 6
7,510
5,068
Geekbench 5
8,504
4,271
Passmark CPU
2,536
2,503
Passmark CPU
17,189
8,928
Blender
—
107
▲ Specs Compare
Data sourced from official specifications and benchmark tests.