Intel Core i7 7820X vs Intel Core i3 9350K

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We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and Intel Core i3 9350K with 4 cores 4.0GHz . 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 (DDR4-2666 vs DDR4-2400)

Larger memory bandwidth (79.47GB/s vs 37.5GB/s)

Larger L3 cache size (11MB vs 8MB)

Intel Core i3 9350K 's Advantages

Released 1 years and 11 months late

Integrated graphics card

Higher base frequency (4.0GHz vs 3.6GHz)

Lower TDP (91W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7820X +4%

1338

Intel Core i3 9350K

1277

Cinebench R23 Multi Core

Intel Core i7 7820X +179%

13358

Intel Core i3 9350K

4779

Geekbench 6 Single Core

Intel Core i7 7820X

1252

Intel Core i3 9350K +23%

1541

Geekbench 6 Multi Core

Intel Core i7 7820X +71%

7510

Intel Core i3 9350K

4371

Geekbench 5 Single Core

Intel Core i7 7820X

1120

Intel Core i3 9350K +12%

1263

Geekbench 5 Multi Core

Intel Core i7 7820X +81%

8504

Intel Core i3 9350K

4689

Passmark CPU Single Core

Intel Core i7 7820X

2536

Intel Core i3 9350K +5%

2676

Passmark CPU Multi Core

Intel Core i7 7820X +127%

17189

Intel Core i3 9350K

7542

Intel Core i7 7820X

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Intel Core i3 9350K

General Parameters

May 2017

Release Date

Apr 2019

Intel

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Coffee Lake

i7-7820X

Processor Number

i3-9350K

LGA-2066

Socket

LGA-1151

N/A

Integrated Graphics

UHD Graphics 630

Package

14 nm

Manufacturing Process

14 nm

LGA-2066

Socket

LGA-1151

140 W

Power Consumption

91 W

99 °C

Peak Operating Temperature

100 °C

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

4

3.6 GHz

Performance Core Base Frequency

4.0 GHz

4.3 GHz

Performance Core Turbo Frequency

4.6 GHz

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

40x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K 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

64 GB

4

Max Memory Channels

2

79.47 GB/s

Max Memory Bandwidth

37.5 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

350 MHz

-

GPU Max Dynamic Frequency

1150 MHz

-

Shader Units

192

-

Texture Units

24

-

Raster Operation Units

3

-

Execution Units

24

-

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

-

Graphics Performance

0.38 TFLOPS

Miscellaneous

Intel Core i7 7820X

Official Website

Intel Core i3 9350K

3.0

PCIe Version

3.0

28

PCIe Lanes

16

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

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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