AMD

AMD Ryzen 9 3900 Processor

Brand:: AMD
Form Factor:: Desktop
CPU Socket:: AM4
Core/Thread Count:: 12C/24T
TDP:: 65W
iGPU:: Discrete Graphics Card Required
CPU Series:: Ryzen 3000 Series

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Manufacturer: AMD Last updated:

AMD Ryzen 9 3900 Processor (OEM Only) Review

AMD Ryzen 9 3900 Processor (OEM Only) desktop processor, 12C/24T 3.1 GHz base clock boosting up to 4.3 ghz, 65W TDP, AM4 socket.

The AMD Ryzen 9 3900 Processor (OEM Only) is part of AMD's Ryzen 3000 Series lineup (Matisse), built for desktop systems. It offers 12C/24T with a 3.1 GHz base clock boosting up to 4.3 ghz, backed by 64 MB of L3 cache, within a 65W TDP on the AM4 platform, with Discrete Graphics Card Required integrated graphics.

Performance and Architecture

With 12C/24T, the AMD Ryzen 9 3900 Processor (OEM Only) runs at 3.1 GHz base clock boosting up to 4.3 ghz. Cache totals 6 MB L2 and 64 MB L3. Its Discrete Graphics Card Required integrated graphics handle display output and light graphics work without a discrete GPU.

Platform and Compatibility

The AMD Ryzen 9 3900 Processor (OEM Only) uses the AM4 platform in a 65W envelope. It supports DDR4 memory across 2 channels (Up to 3200 MT/s). The multiplier is unlocked for overclocking on a compatible motherboard and cooler.

Comparison to Alternatives

Within the Ryzen 3000 Series lineup in this catalog, the AMD Ryzen 9 3900 Processor (OEM Only) is positioned by its core/thread count and TDP relative to other Ryzen parts. Buyers comparing options in this class should weigh core count and clock speed against platform cost and intended workload.

Specifications

Identity

Product Line	Ryzen 9
Model Number	3900
Codename	Matisse
Release Year	2019

Segment and platform

Market Segment	Desktop
Socket	AM4
Socket	AM4
Socket Status	End of Life
Process Node	7 nm

Core configuration

Total Cores	12
Performance Cores	12
Efficiency Cores	0
Total Threads	24
SMT Enabled	Yes

Clock speeds

P-Core Base Clock	3.1 GHz
P-Core Boost Clock	4.3 GHz
Unlocked Multiplier	Yes

Cache

L2 Cache	6 MB
L3 Cache	64 MB

Power and thermal

Base Power	65 W
Max Turbo Power	88 W

Memory

Memory Type	DDR4
Max Memory Speed	3200 MT/s
Memory Channels	2
Max Memory Capacity	128 GB
ECC Support	No

Graphics and AI

Integrated Graphics	No

Expansion

PCIe Generation	PCIe 4.0 x16
PCIe Generation	4
PCIe Lanes	20

Commercial

Retail Availability	OEM Only

Form Factor	Desktops
TDP	65 W
iGPU	Discrete Graphics Card Required

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

Mainstream desktop builds
Everyday productivity
Value-focused upgrades

Not for

Extreme overclocking (unless K/X-series)
Workstation-class multi-threaded workloads
SFF builds without adequate cooling

FAQs

What are the key specifications of the AMD Ryzen 9 3900 Processor (OEM Only)?

The AMD Ryzen 9 3900 Processor (OEM Only) is a processor from AMD. Key specs: Cores 12, Threads 24, Base Clock 3.1 GHz, Boost Clock Up to 4.3 GHz, L2 Cache 6.

Will the AMD Ryzen 9 3900 Processor (OEM Only) work with my current setup?

The AMD Ryzen 9 3900 Processor (OEM Only) lists Socket is AM4. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.

Who is the AMD Ryzen 9 3900 Processor (OEM Only) best suited to?

It suits mainstream desktop builds, everyday productivity, value-focused upgrades.

What are the drawbacks of the AMD Ryzen 9 3900 Processor (OEM Only)?

It is a poor fit for extreme overclocking (unless k/x-series), workstation-class multi-threaded workloads, sff builds without adequate cooling.