AMD Ryzen 7 3800XT vs Intel Core i9 7920X

VS

AMD Ryzen 7 3800XT

Intel Core i9 7920X

We compared two desktop CPUs: AMD Ryzen 7 3800XT with 8 cores 3.9GHz and Intel Core i9 7920X with 12 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 3800XT 's Advantages

Released 2 years and 11 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.9GHz vs 2.9GHz)

Larger L3 cache size (32MB vs 17MB)

More modern manufacturing process (7nm vs 14nm)

Lower TDP (105W vs 140W)

Intel Core i9 7920X 's Advantages

Larger memory bandwidth (85GB/s vs 47.68GB/s)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 7 3800XT +59%

1679

Intel Core i9 7920X

1053

Geekbench 6 Multi Core

AMD Ryzen 7 3800XT +46%

6343

Intel Core i9 7920X

4327

Geekbench 5 Single Core

AMD Ryzen 7 3800XT +16%

1319

Intel Core i9 7920X

1137

Geekbench 5 Multi Core

AMD Ryzen 7 3800XT

9327

Intel Core i9 7920X +26%

11828

Passmark CPU Single Core

AMD Ryzen 7 3800XT +12%

2793

Intel Core i9 7920X

2488

Passmark CPU Multi Core

AMD Ryzen 7 3800XT

23540

Intel Core i9 7920X

23468

AMD Ryzen 7 3800XT

VS

Intel Core i9 7920X

General Parameters

Jul 2020

Release Date

Aug 2017

AMD

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Skylake

-

Processor Number

i9-7920X

AM4

Socket

LGA-2066

N/A

Integrated Graphics

N/A

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

14 nm

105 W

Power Consumption

140 W

95 °C

Peak Operating Temperature

95 °C

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.9 GHz

Performance Core Base Frequency

2.9 GHz

4.7 GHz

Performance Core Turbo Frequency

4.3 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

39x

Multiplier

29x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

32 MB shared

L3 Cache

17 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

128 GB

Max Memory Size

128 GB

2

Max Memory Channels

4

47.68 GB/s

Max Memory Bandwidth

85 GB/s

No

ECC Memory Support

No

Miscellaneous

AMD Ryzen 7 3800XT

Official Website

Intel Core i9 7920X

4.0

PCIe Version

3.0

24

PCIe Lanes

44

-

Extended Instruction Set

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

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