Intel Core i7 7820X vs Intel Core i7 11700KF

VS

Intel Core i7 7820X Intel Core i7 11700KF

We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i7 11700KF with 8 cores 3.6GHz . 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

Larger memory bandwidth (79.47GB/s vs 50GB/s)

Intel Core i7 11700KF 's Advantages

Released 3 years and 10 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (16MB vs 11MB)

Lower TDP (125W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7820X

1338

Intel Core i7 11700KF +19%

1595

Cinebench R23 Multi Core

Intel Core i7 7820X

13358

Intel Core i7 11700KF +12%

15011

Geekbench 6 Single Core

Intel Core i7 7820X

1252

Intel Core i7 11700KF +86%

2334

Geekbench 6 Multi Core

Intel Core i7 7820X

7510

Intel Core i7 11700KF +43%

10758

Geekbench 5 Single Core

Intel Core i7 7820X

1120

Intel Core i7 11700KF +52%

1709

Geekbench 5 Multi Core

Intel Core i7 7820X

8504

Intel Core i7 11700KF +16%

9915

Passmark CPU Single Core

Intel Core i7 7820X

2536

Intel Core i7 11700KF +33%

3390

Passmark CPU Multi Core

Intel Core i7 7820X

17189

Intel Core i7 11700KF +39%

24052

Intel Core i7 7820X

VS

Intel Core i7 11700KF

General Parameters

May 2017

Release Date

Mar 2021

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Rocket Lake

i7-7820X

Processor Number

i7-11700KF

LGA-2066

Socket

LGA-1200

N/A

Integrated Graphics

No

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1200

140 W

Power Consumption

125 W

99 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.6 GHz

Performance Core Base Frequency

3.6 GHz

4.3 GHz

Performance Core Turbo Frequency

5 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

36x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

11 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

79.47 GB/s

Max Memory Bandwidth

50 GB/s

No

ECC Memory Support

No

Miscellaneous

Intel Core i7 7820X

Official Website

Intel Core i7 11700KF

3.0

PCIe Version

4.0

28

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2, AVX-512

Extended Instruction Set

-

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