AMD Ryzen 7 3800X vs AMD Ryzen 9 9900X

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We compared two desktop CPUs: AMD Ryzen 7 3800X with 8 cores 3.9GHz and AMD Ryzen 9 9900X with 12 cores 4.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 3800X 's Advantages

Lower TDP (105W vs 120W)

AMD Ryzen 9 9900X 's Advantages

Released 4 years and 11 months late

Integrated graphics card

Higher specification of memory (DDR5-5600 vs DDR4-3200)

Larger memory bandwidth (89.6GB/s vs 47.68GB/s)

Newer PCIe version (5.0 vs 4.0)

Higher base frequency (4.4GHz vs 3.9GHz)

Larger L3 cache size (64MB vs 32MB)

More modern manufacturing process (4nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 3800X

1341

AMD Ryzen 9 9900X +73%

2323

Cinebench R23 Multi Core

AMD Ryzen 7 3800X

13863

AMD Ryzen 9 9900X +195%

40986

Geekbench 6 Single Core

AMD Ryzen 7 3800X

1743

AMD Ryzen 9 9900X +88%

3284

Geekbench 6 Multi Core

AMD Ryzen 7 3800X

8625

AMD Ryzen 9 9900X +178%

23982

AMD Ryzen 7 3800X

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AMD Ryzen 9 9900X

General Parameters

Jul 2019

Release Date

Jun 2024

Amd

Manufacturer

Amd

Desktop

Type

Desktop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Zen 5 (Granite Ridge)

AM4

Socket

AM5

No

Integrated Graphics

Radeon Graphics

-

Generation

Ryzen 9 (Zen 5 (Granite Ridge))

Package

3.8 billions

Transistor Count

-

7 nm

Manufacturing Process

4 nm

AM4

Socket

AM5

105 W

Power Consumption

120 W

95°C

Peak Operating Temperature

95°C

-

Foundry

TSMC

-

I/O Process Size

6 nm

-

Package

FC-LGA1718

CPU Performance

8

Performance Cores

12

16

Performance Core Threads

24

3.9 GHz

Performance Core Base Frequency

4.4 GHz

4.5 GHz

Performance Core Turbo Frequency

5.6 GHz

8

Total Core Count

12

16

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

39x

Multiplier

44x

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

64 MB shared

Yes

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR5-5600

128 GB

Max Memory Size

192 GB

2

Max Memory Channels

2

47.68 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

MHz

-

GPU Max Dynamic Frequency

2200 MHz

-

Execution Units

2

Miscellaneous

AMD Ryzen 7 3800X

Official Website

AMD Ryzen 9 9900X

4.0

PCIe Version

5.0

16

PCIe Lanes

28

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