Intel Core i7 9700 vs Intel Core i7 7820X

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We compared two desktop CPUs: Intel Core i7 9700 with 8 cores 3.0GHz 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 9700 's Advantages

Released 1 years and 11 months late

Integrated graphics card

Larger L3 cache size (12MB vs 11MB)

Lower TDP (65W vs 140W)

Intel Core i7 7820X 's Advantages

Larger memory bandwidth (79.47GB/s vs 41.6GB/s)

Higher base frequency (3.6GHz vs 3.0GHz)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 9700

1188

Intel Core i7 7820X +12%

1338

Cinebench R23 Multi Core

Intel Core i7 9700

8535

Intel Core i7 7820X +56%

13358

Geekbench 6 Single Core

Intel Core i7 9700 +26%

1590

Intel Core i7 7820X

1252

Geekbench 6 Multi Core

Intel Core i7 9700

5666

Intel Core i7 7820X +32%

7510

Geekbench 5 Single Core

Intel Core i7 9700 +8%

1210

Intel Core i7 7820X

1120

Geekbench 5 Multi Core

Intel Core i7 9700

6715

Intel Core i7 7820X +26%

8504

Passmark CPU Single Core

Intel Core i7 9700 +8%

2764

Intel Core i7 7820X

2536

Passmark CPU Multi Core

Intel Core i7 9700

13198

Intel Core i7 7820X +30%

17189

Intel Core i7 9700

VS

Intel Core i7 7820X

General Parameters

Apr 2019

Release Date

May 2017

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Skylake

i7-9700

Processor Number

i7-7820X

LGA-1151

Socket

LGA-2066

UHD Graphics 630

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

14 nm

LGA-1151

Socket

LGA-2066

65 W

Power Consumption

140 W

100 °C

Peak Operating Temperature

99 °C

CPU Performance

8

Performance Cores

8

Performance Core Threads

16

3.0 GHz

Performance Core Base Frequency

3.6 GHz

4.7 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Total Core Count

8

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

36x

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

11 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2666

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

41.6 GB/s

Max Memory Bandwidth

79.47 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

-

350 MHz

GPU Base Frequency

-

1200 MHz

GPU Max Dynamic Frequency

-

192

Shader Units

-

24

Texture Units

-

3

Raster Operation Units

-

24

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.38 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 9700

Official Website

Intel Core i7 7820X

3.0

PCIe Version

3.0

16

PCIe Lanes

28

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

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

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