Intel Core i7 7800X vs Intel Core i5 6600K
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
i7-7800X
i5-6600K
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
100 °C
—
CPU Performance
Performance Cores
6
4
Performance Core Threads
12
4
Performance Core Base Frequency
3.5 GHz
3.5 GHz
Performance Core Turbo Frequency
4 GHz
3.9 GHz
Total Core Count
6
4
Total Thread Count
12
4
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
35
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
256 K per core
L3 Cache
8 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-2400
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
963
1,040
Cinebench R23
7,269
3,963
Geekbench 6
1,362
1,486
Geekbench 6
6,082
4,406
Passmark CPU
2,409
2,327
Passmark CPU
12,894
6,329
Blender
—
63
▲ Specs Compare
Data sourced from official specifications and benchmark tests.