Intel Core i7 7820X vs Intel Core i7 12700

VS

Intel Core i7 7820X

Intel Core i7 12700

We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i7 12700 with 12 cores 2.1GHz . 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 76.8GB/s)

Higher base frequency (3.6GHz vs 2.1GHz)

Intel Core i7 12700 's Advantages

Released 4 years and 8 months late

Integrated graphics card

Higher specification of memory (4800 vs 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)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7820X

1338

Intel Core i7 12700 +39%

1868

Cinebench R23 Multi Core

Intel Core i7 7820X

13358

Intel Core i7 12700 +54%

20599

Geekbench 6 Single Core

Intel Core i7 7820X

1252

Intel Core i7 12700 +98%

2491

Geekbench 6 Multi Core

Intel Core i7 7820X

7510

Intel Core i7 12700 +71%

12863

Geekbench 5 Single Core

Intel Core i7 7820X

1120

Intel Core i7 12700 +60%

1799

Geekbench 5 Multi Core

Intel Core i7 7820X

8504

Intel Core i7 12700 +47%

12519

Passmark CPU Single Core

Intel Core i7 7820X

2536

Intel Core i7 12700 +54%

3921

Passmark CPU Multi Core

Intel Core i7 7820X

17189

Intel Core i7 12700 +79%

30858

Intel Core i7 7820X

VS

Intel Core i7 12700

General Parameters

May 2017

Release Date

Jan 2022

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Alder Lake

i7-7820X

Processor Number

i7-12700

LGA-2066

Socket

LGA-1700

N/A

Integrated Graphics

UHD Graphics 770

Package

14 nm

Manufacturing Process

10 nm

140 W

Power Consumption

65 W

-

Max Turbo Power Consumption

180 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

2.1 GHz

4.3 GHz

Performance Core Turbo Frequency

4.8 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

4

-

Efficiency Core Base Frequency

1.6 GHz

-

Efficiency Core Turbo Frequency

3.6 GHz

8

Total Core Count

12

16

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

21x

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

12 MB shared

11 MB shared

L3 Cache

25 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200, DDR5-4800

128 GB

Max Memory Size

128 GB

4

Max Memory Channels

2

79.47 GB/s

Max Memory Bandwidth

76.8 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

300 MHz

-

GPU Max Dynamic Frequency

1500 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

-

Execution Units

32

-

Power Consumption

15 W

-

Graphics Performance

0.78 TFLOPS

Miscellaneous

Intel Core i7 7820X

Official Website

Intel Core i7 12700

3.0

PCIe Version

5.0

28

PCIe Lanes

20

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

Extended Instruction Set

-

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