Intel Core i7 7800X vs Intel Core i7 6700K
We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz and Intel Core i7 6700K with 4 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 7800X 's Advantages
Released 1 years and 9 months late
Higher specification of memory (2400 vs 2133)
Larger memory bandwidth (79.47GB/s vs 34.1GB/s)
Intel Core i7 6700K 's Advantages
Integrated graphics card
Higher base frequency (4.0GHz vs 3.5GHz)
Lower TDP (91W vs 140W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 7800X
963
Intel Core i7 6700K
+17%
1129
Cinebench R23 Multi Core
Intel Core i7 7800X
+28%
7269
Intel Core i7 6700K
5646
Geekbench 6 Single Core
Intel Core i7 7800X
1362
Intel Core i7 6700K
+11%
1512
Geekbench 6 Multi Core
Intel Core i7 7800X
+20%
6082
Intel Core i7 6700K
5068
Geekbench 5 Single Core
Intel Core i7 7800X
1069
Intel Core i7 6700K
+1%
1087
Geekbench 5 Multi Core
Intel Core i7 7800X
+54%
6578
Intel Core i7 6700K
4271
Passmark CPU Single Core
Intel Core i7 7800X
2409
Intel Core i7 6700K
+3%
2503
Passmark CPU Multi Core
Intel Core i7 7800X
+44%
12894
Intel Core i7 6700K
8928
General Parameters
May 2017
Release Date
Aug 2015
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i7-7800X
Processor Number
i7-6700K
LGA-2066
Socket
LGA-1151
N/A
Integrated Graphics
HD Graphics 530
Package
-
Transistor Count
1.75 billions
14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
91 W
100 °C
Peak Operating Temperature
-
CPU Performance
6
Performance Cores
4
12
Performance Core Threads
8
3.5 GHz
Performance Core Base Frequency
4.0 GHz
4 GHz
Performance Core Turbo Frequency
4.2 GHz
6
Total Core Count
4
12
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
40
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
8 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2400
Memory Types
DDR4-2133,DDR3L-1600
128 GB
Max Memory Size
64 GB
4
Max Memory Channels
2
79.47 GB/s
Max Memory Bandwidth
34.1 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Max Dynamic Frequency
1150 MHz
Miscellaneous
3.0
PCIe Version
3.0
28
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
