Intel Core i7 7820X vs AMD Ryzen 3 3100

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We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and AMD Ryzen 3 3100 with 4 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 51.2GB/s)

AMD Ryzen 3 3100 's Advantages

Released 2 years and 11 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 (65W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7820X +19%

1338

AMD Ryzen 3 3100

1122

Cinebench R23 Multi Core

Intel Core i7 7820X +136%

13358

AMD Ryzen 3 3100

5647

Geekbench 6 Single Core

Intel Core i7 7820X

1252

AMD Ryzen 3 3100 +14%

1434

Geekbench 6 Multi Core

Intel Core i7 7820X +47%

7510

AMD Ryzen 3 3100

5105

Geekbench 5 Single Core

Intel Core i7 7820X

1120

AMD Ryzen 3 3100 +13%

1269

Geekbench 5 Multi Core

Intel Core i7 7820X +68%

8504

AMD Ryzen 3 3100

5059

Passmark CPU Single Core

Intel Core i7 7820X +5%

2536

AMD Ryzen 3 3100

2413

Passmark CPU Multi Core

Intel Core i7 7820X +48%

17189

AMD Ryzen 3 3100

11547

Intel Core i7 7820X

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AMD Ryzen 3 3100

General Parameters

May 2017

Release Date

Apr 2020

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 2

i7-7820X

Processor Number

-

LGA-2066

Socket

AM4

N/A

Integrated Graphics

N/A

Package

14 nm

Manufacturing Process

7 nm

LGA-2066

Socket

AM4

140 W

Power Consumption

65 W

99 °C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

4

16

Performance Core Threads

8

3.6 GHz

Performance Core Base Frequency

3.6 GHz

4.3 GHz

Performance Core Turbo Frequency

3.9 GHz

8

Total Core Count

4

16

Total Thread Count

8

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

51.2 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i7 7820X

Official Website

AMD Ryzen 3 3100

3.0

PCIe Version

4.0

28

PCIe Lanes

16

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

Extended Instruction Set

-

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