AMD Ryzen 9 3900XT vs AMD Ryzen 7 1700X

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We compared two desktop CPUs: AMD Ryzen 9 3900XT with 12 cores 3.8GHz and AMD Ryzen 7 1700X with 8 cores 3.4GHz . 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 4 months late

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

Larger memory bandwidth (47.68GB/s vs 39.74GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.8GHz vs 3.4GHz)

Larger L3 cache size (64MB vs 16MB)

AMD Ryzen 7 1700X 's Advantages

Lower TDP (95W vs 105W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 3900XT +39%

1352

AMD Ryzen 7 1700X

971

Cinebench R23 Multi Core

AMD Ryzen 9 3900XT +111%

18436

AMD Ryzen 7 1700X

8737

Geekbench 6 Single Core

AMD Ryzen 9 3900XT +85%

1763

AMD Ryzen 7 1700X

949

Geekbench 6 Multi Core

AMD Ryzen 9 3900XT +147%

11025

AMD Ryzen 7 1700X

4457

Geekbench 5 Single Core

AMD Ryzen 9 3900XT +39%

1311

AMD Ryzen 7 1700X

937

Geekbench 5 Multi Core

AMD Ryzen 9 3900XT +94%

12279

AMD Ryzen 7 1700X

6302

Passmark CPU Single Core

AMD Ryzen 9 3900XT +32%

2769

AMD Ryzen 7 1700X

2084

Passmark CPU Multi Core

AMD Ryzen 9 3900XT +111%

32856

AMD Ryzen 7 1700X

15538

AMD Ryzen 9 3900XT

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AMD Ryzen 7 1700X

General Parameters

Jul 2020

Release Date

Mar 2017

Amd

Manufacturer

AMD

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2 (Matisse)

Core Architecture

Zen

AM4

Socket

AM4

No

Integrated Graphics

N/A

Package

3.8 billions

Transistor Count

4.8 billions

7 nm

Manufacturing Process

14 nm

AM4

Socket

AM4

105 W

Power Consumption

95 W

95°C

Peak Operating Temperature

95 °C

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.4 GHz

4.7 GHz

Performance Core Turbo Frequency

3.8 GHz

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

34x

64 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

16 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

39.74 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD Ryzen 9 3900XT

Official Website

AMD Ryzen 7 1700X

4.0

PCIe Version

3.0

24

PCIe Lanes

20

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