Intel Core i7 7800X vs AMD Ryzen 9 3900X

VS

Intel Core i7 7800X

AMD Ryzen 9 3900X

We compared two desktop CPUs: Intel Core i7 7800X with 6 cores 3.5GHz and AMD Ryzen 9 3900X with 12 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 7800X 's Advantages

Larger memory bandwidth (79.47GB/s vs 47.68GB/s)

AMD Ryzen 9 3900X 's Advantages

Released 2 years and 2 months late

Higher specification of memory (3200 vs 2400)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.8GHz vs 3.5GHz)

Larger L3 cache size (64MB vs 8MB)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (105W vs 140W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 7800X

963

AMD Ryzen 9 3900X +35%

1306

Cinebench R23 Multi Core

Intel Core i7 7800X

7269

AMD Ryzen 9 3900X +153%

18454

Geekbench 6 Single Core

Intel Core i7 7800X

1362

AMD Ryzen 9 3900X +35%

1842

Geekbench 6 Multi Core

Intel Core i7 7800X

6082

AMD Ryzen 9 3900X +92%

11715

Geekbench 5 Single Core

Intel Core i7 7800X

1069

AMD Ryzen 9 3900X +23%

1319

Geekbench 5 Multi Core

Intel Core i7 7800X

6578

AMD Ryzen 9 3900X +82%

11991

Passmark CPU Single Core

Intel Core i7 7800X

2409

AMD Ryzen 9 3900X +11%

2683

Passmark CPU Multi Core

Intel Core i7 7800X

12894

AMD Ryzen 9 3900X +152%

32531

Intel Core i7 7800X

VS

AMD Ryzen 9 3900X

General Parameters

May 2017

Release Date

Jul 2019

Intel

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Skylake

Core Architecture

Zen 2

i7-7800X

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

100 °C

Peak Operating Temperature

95 °C

CPU Performance

6

Performance Cores

12

Performance Core Threads

24

3.5 GHz

Performance Core Base Frequency

3.8 GHz

4 GHz

Performance Core Turbo Frequency

4.6 GHz

6

Total Core Count

12

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

38x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

8 MB shared

L3 Cache

64 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-2400

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 7800X

Official Website

AMD Ryzen 9 3900X

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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