Threadripper 3990X
The Threadripper 3990X is AMD’s 64-core, 128-thread processor for the TRX4 platform, built on the Zen 2 architecture. Below you’ll find its full spec sheet and gaming and Cinebench 2024 productivity benchmarks, plus every retailer’s current price.
Prices update regularly and may differ at the retailer. This page contains affiliate links.
Gaming & productivity performance
Gaming score: CPU-bound 1080p rating, normalized to 100. Cinebench 2024: multi- and single-core points.
1080p Gaming
Cinebench Multi
Cinebench Single
The Threadripper 3990X scores 42.3 on our 0–100 CPU gaming scale.
Performance-per-dollar rank among all CPUs with live pricing
Gaming value
#134
of 134
Productivity value
—
Specifications
Cores & Clocks
- Cores / Threads
- 64 / 128
- Base clock
- 2.9 GHz
- Boost clock
- 4.3 GHz
- Architecture
- Zen 2
Cache & Process
- L3 cache
- 256 MB
- L2 cache
- 32 MB
- Process node
- TSMC N7
- Released
- 2020-02-07
Memory & Platform
- Socket
- TRX4
- Memory channels
- 4
- Max memory
- 256 GB
- Memory support
- DDR4, 3200
- PCIe
- PCIe 4.0
- ECC support
- No
Power & Extras
- TDP
- 280W
- Max power
- 400W
- Integrated graphics
- None
- MSRP
- $3,990.00
The Threadripper 3990X pairs 64 cores with 256 MB of L3 cache on the TSMC N7 process. Compare the Threadripper 3990X against the full CPU lineup on the CPU comparison table, or build a compatible system around it with the PC Builder.
Where to buy the Threadripper 3990X
Every in-stock retailer offer we track, cheapest first.
| Retailer | Availability | Price | Buy |
|---|---|---|---|
| Amazon | — | See on Amazon |  |
The Threadripper 3990X starts from $5,290.00 across 1 retailer. Prices update daily from live stock.
How the Threadripper 3990X compares
Similar CPUs worth a look, based on live prices and 1080p gaming performance.
Matches or beats the Threadripper 3990X in 1080p gaming and 91% cheaper ($4,801.00) — a clear win.
8-core · from $489.00
Save 97% ($5,113.54) for roughly 7% less 1080p gaming performance.
6-core · from $176.46
Intel's closest match — within 5% on 1080p gaming, 97% cheaper ($5,119.20).
6-core · from $170.80
Affiliate disclosure: Some links on this page are affiliate links — MaxMyBuild may earn a commission at no extra cost to you if you buy through them. As an Amazon Associate, MaxMyBuild earns from qualifying purchases. For Amazon, current price and availability are shown on the Amazon product page; product prices and availability are accurate as of the date and time of purchase and are subject to change. Prices shown for other retailers are approximate and may differ at checkout. “Search” links are non-affiliate and provided for convenience only.