AMD Ryzen 9 3900XT vs Intel Core i5 7640X

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We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and Intel Core i5 7640X with 4 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 3900XT 's Advantages

Released 3 years and 2 months late

Higher specification of memory (DDR4-3200 vs DDR4-2666)

Larger memory bandwidth (47.68GB/s vs 42.7GB/s)

Newer PCIe version (4.0 vs 3.0)

Larger L3 cache size (64MB vs 6MB)

Lower TDP (105W vs 112W)

Intel Core i5 7640X 's Advantages

Higher base frequency (4.0GHz vs 3.8GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 3900XT +24%

1763

Intel Core i5 7640X

1419

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT +195%

11025

Intel Core i5 7640X

3726

Geekbench 5 Single Core

AMD Ryzen 9 3900XT +5%

1311

Intel Core i5 7640X

1237

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT +190%

12279

Intel Core i5 7640X

4230

Passmark CPU Single Core

AMD Ryzen 9 3900XT +10%

2769

Intel Core i5 7640X

2505

Passmark CPU Multi Core

AMD Ryzen 9 3900XT +387%

32856

Intel Core i5 7640X

6735

AMD Ryzen 9 3900XT

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Intel Core i5 7640X

General Parameters

Jul 2020

Release Date

May 2017

Amd

Manufacturer

Intel

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Kaby Lake

-

Processor Number

i5-7640X

AM4

Socket

LGA-2066

No

Integrated Graphics

N/A

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

14 nm

AM4

Socket

LGA-2066

105 W

Power Consumption

112 W

95°C

Peak Operating Temperature

100 °C

CPU Performance

12

Performance Cores

4

24

Performance Core Threads

4

3.8 GHz

Performance Core Base Frequency

4.0 GHz

4.7 GHz

Performance Core Turbo Frequency

4.2 GHz

12

Total Core Count

4

24

Total Thread Count

4

100 MHz

Bus Frequency

-

38x

Multiplier

39x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

64 MB shared

L3 Cache

6 MB shared

Yes

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

128 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

42.7 GB/s

Yes

ECC Memory Support

No

Miscellaneous

AMD Ryzen 9 3900XT

Official Website

Intel Core i5 7640X

4.0

PCIe Version

3.0

24

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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