Intel Core i7 12700 vs Intel Core i7 7820X

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We compared two desktop CPUs: Intel Core i7 12700 with 12 cores 2.1GHz and Intel Core i7 7820X 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 12700 's Advantages

Released 4 years and 8 months late

Integrated graphics card

Higher specification of memory (DDR5-4800 vs DDR4-2666)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (25MB vs 11MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (65W vs 140W)

Intel Core i7 7820X 's Advantages

Larger memory bandwidth (79.47GB/s vs 76.8GB/s)

Higher base frequency (3.6GHz vs 2.1GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 12700 +39%

1873

Intel Core i7 7820X

1338

Cinebench R23 Multi Core

Intel Core i7 12700 +32%

17734

Intel Core i7 7820X

13358

Geekbench 6 Single Core

Intel Core i7 12700 +98%

2491

Intel Core i7 7820X

1252

Geekbench 6 Multi Core

Intel Core i7 12700 +71%

12863

Intel Core i7 7820X

7510

Geekbench 5 Single Core

Intel Core i7 12700 +60%

1799

Intel Core i7 7820X

1120

Geekbench 5 Multi Core

Intel Core i7 12700 +47%

12519

Intel Core i7 7820X

8504

Passmark CPU Single Core

Intel Core i7 12700 +54%

3921

Intel Core i7 7820X

2536

Passmark CPU Multi Core

Intel Core i7 12700 +79%

30858

Intel Core i7 7820X

17189

Intel Core i7 12700

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Intel Core i7 7820X

General Parameters

Jan 2022

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Skylake

i7-12700

Processor Number

i7-7820X

LGA-1700

Socket

LGA-2066

UHD Graphics 770

Integrated Graphics

N/A

Package

10 nm

Manufacturing Process

14 nm

LGA-1700

Socket

LGA-2066

65 W

Power Consumption

140 W

180 W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

99 °C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

2.1 GHz

Performance Core Base Frequency

3.6 GHz

4.8 GHz

Performance Core Turbo Frequency

4.3 GHz

4

Efficiency Cores

-

4

Efficiency Core Threads

-

1.6 GHz

Efficiency Core Base Frequency

-

3.6 GHz

Efficiency Core Turbo Frequency

-

12

Total Core Count

8

20

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

21x

Multiplier

36x

80 K per core

L1 Cache

64 K per core

12 MB shared

L2 Cache

1 MB per core

25 MB shared

L3 Cache

11 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200, DDR5-4800

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

76.8 GB/s

Max Memory Bandwidth

79.47 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

300 MHz

GPU Base Frequency

-

1500 MHz

GPU Max Dynamic Frequency

-

256

Shader Units

-

16

Texture Units

-

8

Raster Operation Units

-

32

Execution Units

-

15 W

Power Consumption

-

0.78 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 12700

Official Website

Intel Core i7 7820X

5.0

PCIe Version

3.0

20

PCIe Lanes

28

-

Extended Instruction Set

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

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