Intel Core i7 7820X vs AMD Ryzen 9 3950X

VS

Intel Core i7 7820X

AMD Ryzen 9 3950X

We compared two desktop CPUs: Intel Core i7 7820X with 8 cores 3.6GHz and AMD Ryzen 9 3950X with 16 cores 3.5GHz . 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 47.68GB/s)

Higher base frequency (3.6GHz vs 3.5GHz)

AMD Ryzen 9 3950X 's Advantages

Released 2 years and 6 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (64MB vs 11MB)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (105W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7820X

1338

AMD Ryzen 9 3950X

1349

Cinebench R23 Multi Core

Intel Core i7 7820X

13358

AMD Ryzen 9 3950X +82%

24396

Geekbench 6 Single Core

Intel Core i7 7820X

1252

AMD Ryzen 9 3950X +36%

1709

Geekbench 6 Multi Core

Intel Core i7 7820X

7510

AMD Ryzen 9 3950X +55%

11656

Geekbench 5 Single Core

Intel Core i7 7820X

1120

AMD Ryzen 9 3950X +14%

1279

Geekbench 5 Multi Core

Intel Core i7 7820X

8504

AMD Ryzen 9 3950X +70%

14487

Passmark CPU Single Core

Intel Core i7 7820X

2536

AMD Ryzen 9 3950X +6%

2692

Passmark CPU Multi Core

Intel Core i7 7820X

17189

AMD Ryzen 9 3950X +126%

38953

Intel Core i7 7820X

VS

AMD Ryzen 9 3950X

General Parameters

May 2017

Release Date

Nov 2019

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

-

Transistor Count

3.8 billions

14 nm

Manufacturing Process

7 nm

140 W

Power Consumption

105 W

99 °C

Peak Operating Temperature

-

CPU Performance

8

Performance Cores

16

Performance Core Threads

32

3.6 GHz

Performance Core Base Frequency

3.5 GHz

4.3 GHz

Performance Core Turbo Frequency

4.7 GHz

8

Total Core Count

16

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

36x

Multiplier

35x

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

64 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

47.68 GB/s

No

ECC Memory Support

Yes

Miscellaneous

Intel Core i7 7820X

Official Website

AMD Ryzen 9 3950X

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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