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Deal.ai › AMD
AMD
3900x
AMD

3900x

Best price now

$165.29at Newegg.comChecked 1 h ago

72% under what the other stores charge

Compared across 14 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $165.29 at Newegg.com (checked Nov 12, 2026).
  • Checked at 14 stores.

Our take on the 3900x

The Ryzen 9 3900X is AMD's 12-core, 24-thread desktop CPU for socket AM4, built on the 7nm Zen 2 architecture. It runs at a 3.8 GHz base clock and boosts up to 4.6 GHz with Precision Boost, supports DDR4-3200 memory and PCIe 4.0, and ships with the Wraith Prism RGB cooler. It suits content creators, streamers and heavy multitaskers who want many cores without stepping up to HEDT platforms. Reviewers rate its multi-core throughput highly for rendering and encoding, while noting that newer chips beat it in single-thread gaming and that it runs warm under sustained all-core loads.

Best forVideo editors and 3D renderersStreamers who game and encode at onceMultitaskers running many heavy appsAM4 builders upgrading an existing board
Pros
  • 12 cores and 24 threads handle parallel workloads well
  • Strong multi-core scores in rendering and encoding
  • PCIe 4.0 support on compatible X570 boards
  • Wraith Prism RGB cooler included
  • Drops into existing AM4 motherboards with a BIOS update
Cons
  • Runs hot under sustained all-core loads
  • Single-thread gaming trails newer CPUs
  • Needs a capable cooler and strong VRM board to boost fully
  • No integrated graphics, so a discrete GPU is required

3900x prices at every store

  • Newegg.comNew

    In stockSold by Bolt Electronics

    $165.29Free shippingChecked 1 h ago
    Visit Newegg.com
  • StarMicroInc.NetNew

    In stock

    $190.00+ $10.20 shippingChecked 1 h ago
    Visit StarMicroInc.Net
  • eBayNew

    In stock

    $200.00+ $29.00 shippingChecked 1 h ago
    Visit eBay
  • 360ODERPre-owned

    In stockReturn policy

    $261.00Checked 54 min ago
    Visit 360ODER
  • Micro CenterNew

    Availability unknown

    $383.99Checked 1 h ago
    Visit Micro Center
  • eSaitechNew

    Availability unknown

    $509.00Checked 1 h ago
    Visit eSaitech
  • WalmartNew

    Availability unknown

    $549.95Checked 1 h ago
    Visit Walmart
  • SuperWarehouse.comNew

    Availability unknown

    $580.57Checked 1 h ago
    Visit SuperWarehouse.com
  • TecisoftNew

    Availability unknown

    $612.94Checked 1 h ago
    Visit Tecisoft
  • Compu DevicesNew

    Availability unknown

    $712.97Checked 1 h ago
    Visit Compu Devices
  • OnLogicNew

    Availability unknown

    $718.00Checked 1 h ago
    Visit OnLogic
  • New Town SparesNew

    Availability unknown

    $780.90Checked 1 h ago
    Visit New Town Spares
  • serverblink.comNew

    Availability unknown

    $1,070.00Checked 1 h ago
    Visit serverblink.com
  • The Best PartNew

    Availability unknown

    $2,551.50Checked 1 h ago
    Visit The Best Part

Store links may earn us a commission.

3900x price history

Lowest price we've seen: $165.29 on Nov 12 at Newegg.com. Tracked across 13 stores since Nov 12.

What reviewers say

Owners and reviewers praise the 3900X as a workstation-class chip at a mainstream platform price, especially for rendering, encoding and streaming. Common complaints are heat and power draw under all-core loads, plus single-thread performance that newer chips have overtaken.

What people mention
  • Multi-core performancePraisedOwners say rendering, encoding and compiling jobs finish noticeably faster than on 6- or 8-core chips.
  • HeatCriticisedReviewers report high temperatures under sustained all-core loads, so a strong cooler is advised.
  • GamingMixedIt games well, but reviewers note newer CPUs deliver higher single-thread frame rates.
  • CoolerPraisedThe bundled Wraith Prism is seen as adequate for stock use, though many swap it for a tower cooler.
  • PlatformPraisedOwners like the drop-in AM4 fit and PCIe 4.0 support on X570 boards.

About the 3900x

The AMD Ryzen 9 3900X is a desktop processor for Socket AM4 motherboards. It has 12 cores and 24 threads, which suits parallel workloads such as gaming, content creation and multitasking.

The base clock speed is 3.80GHz and it can boost up to 4.60GHz. AMD Precision Boost adjusts the frequency automatically. It is built on a 7nm manufacturing process, which allows higher transistor density and lower power consumption than previous generations.

It supports DDR4 memory up to 3200MHz.

Brand
AMD
Model
Ryzen 9 3900X
Part number
100-000000023
Type
Desktop CPU, OEM
Socket
AM4
Cores
12
Threads
24
Base clock
3.80GHz
Max boost clock
Up to 4.60GHz
Process
7nm
Memory support
DDR4, up to 3200MHz
Technology
AMD Precision Boost

Questions and answers

Is the Ryzen 9 3900X still worth buying?
For multi-threaded work on an existing AM4 board it remains capable. For new gaming builds, newer chips offer better single-thread performance.
Does it come with a cooler?
Yes, it ships with the Wraith Prism RGB cooler. It handles stock loads but a larger cooler helps under sustained all-core work.
What motherboard and memory does it need?
It uses socket AM4 and DDR4 memory, officially up to 3200 MHz. Older boards may need a BIOS update before it boots.
Does it have integrated graphics?
No. You need a discrete graphics card for display output.
How does it compare with the 3900XT?
The 3900XT has slightly higher boost clocks but the same core count. The difference in real workloads is small.
What is in the box?
The CPU and the Wraith Prism cooler. Thermal paste is pre-applied on the cooler.
Where is the 3900x cheapest?
At Newegg.com, for $165.29, 72% under what the other stores charge, as of our latest check.
Where can I buy the 3900x?
14 stores we checked sell it, including 360ODER, Newegg.com, StarMicroInc.Net, eBay, Micro Center.

Stores we've priced the 3900x at

  • Micro Center deals and prices
  • Newegg deals and prices
  • Walmart deals and prices

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