Home Comparison Intel Core i7 7800X vs Intel Core i7 6800K

Intel Core i7 7800X vs Intel Core i7 6800K

We compared two desktop CPUs: Intel Core i7 7800X with 6 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 i7 7800X 's Advantages
Released 1 years late
Higher specification of memory (2400 vs 2133)
Larger memory bandwidth (79.47GB/s vs 76.8GB/s)
Higher base frequency (3.5GHz vs 3.4GHz)
Intel Core i7 6800K 's Advantages
Larger L3 cache size (15MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 7800X +1%
963
Intel Core i7 6800K
951
Cinebench R23 Multi Core
Intel Core i7 7800X +9%
7269
Intel Core i7 6800K
6632
Geekbench 6 Single Core
Intel Core i7 7800X
1362
Intel Core i7 6800K
1363
Geekbench 6 Multi Core
Intel Core i7 7800X
6082
Intel Core i7 6800K +6%
6495
Geekbench 5 Single Core
Intel Core i7 7800X +15%
1069
Intel Core i7 6800K
922
Geekbench 5 Multi Core
Intel Core i7 7800X +18%
6578
Intel Core i7 6800K
5537
Passmark CPU Single Core
Intel Core i7 7800X +6%
2409
Intel Core i7 6800K
2269
Passmark CPU Multi Core
Intel Core i7 7800X +20%
12894
Intel Core i7 6800K
10740
VS

General Parameters

May 2017
Release Date
May 2016
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Broadwell E
i7-7800X
Processor Number
i7-6800K
LGA-2066
Socket
LGA-2011-3
N/A
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
-

CPU Performance

6
Performance Cores
6
12
Performance Core Threads
12
3.5 GHz
Performance Core Base Frequency
3.4 GHz
4 GHz
Performance Core Turbo Frequency
3.6 GHz
6
Total Core Count
6
12
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
8 MB shared
L3 Cache
15 MB shared
Yes
Unlocked Multiplier
No

Memory Parameters

DDR4-2400
Memory Types
DDR4-2133
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
4
79.47 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Miscellaneous

3.0
PCIe Version
3.0
28
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-

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