Home Comparison Intel Core i7 7820X vs Intel Core i7 7800X

Intel Core i7 7820X vs Intel Core i7 7800X

Intel Core i7 7820X
VS
Intel Core i7 7800X
Intel Core i7 7820X
Intel Core i7 7800X
We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i7 7800X with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7820X 's Advantages
Higher specification of memory (2666 vs 2400)
Higher base frequency (3.6GHz vs 3.5GHz)
Larger L3 cache size (11MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 7820X +38%
1338
Intel Core i7 7800X
963
Cinebench R23 Multi Core
Intel Core i7 7820X +83%
13358
Intel Core i7 7800X
7269
Geekbench 6 Single Core
Intel Core i7 7820X
1252
Intel Core i7 7800X +8%
1362
Geekbench 6 Multi Core
Intel Core i7 7820X +23%
7510
Intel Core i7 7800X
6082
Geekbench 5 Single Core
Intel Core i7 7820X +4%
1120
Intel Core i7 7800X
1069
Geekbench 5 Multi Core
Intel Core i7 7820X +29%
8504
Intel Core i7 7800X
6578
Passmark CPU Single Core
Intel Core i7 7820X +5%
2536
Intel Core i7 7800X
2409
Passmark CPU Multi Core
Intel Core i7 7820X +33%
17189
Intel Core i7 7800X
12894
Intel Core i7 7820X
VS
Intel Core i7 7800X

General Parameters

May 2017
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Skylake
Core Architecture
Skylake
i7-7820X
Processor Number
i7-7800X
LGA-2066
Socket
LGA-2066
N/A
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
140 W
Power Consumption
140 W
99 °C
Peak Operating Temperature
100 °C

CPU Performance

8
Performance Cores
6
16
Performance Core Threads
12
3.6 GHz
Performance Core Base Frequency
3.5 GHz
4.3 GHz
Performance Core Turbo Frequency
4 GHz
8
Total Core Count
6
16
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
36x
Multiplier
35x
64 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
1 MB per core
11 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR4-2400
128 GB
Max Memory Size
128 GB
4
Max Memory Channels
4
79.47 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No

Miscellaneous

Intel Core i7 7820X
Official Website
Intel Core i7 7800X
3.0
PCIe Version
3.0
28
PCIe Lanes
28
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512

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