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Availability:
Only 1 left in stock, order soon!
Arrives
Tuesday, Nov 17
Recently Viewed
At a glance
- Condition
- Used - Like New
- Style
- CPU Only
- Model
- AMD Ryzen 9 3900XT
- Weight
- 1 g
- CPU Manufacturer
- AMD
- CPU Model
- Ryzen 9 3900X
- CPU Speed
- 4.7 GHz
- Warranty
- 3 year manufacturer
Features 5
- The world's fastest 12 core processor for mainstream desktop, with 24 procesing threads
- Can deliver ultra-fast 100Plus FPS performance in the world's most popular games
- Cooler not included, liquid cooler with 280mm or larger radiator recommended
- 4.7 GHz Max Boost, unlocked for overclocking, 70 MB of Gamecache, DDR-3200 support
- For the advanced Socket AM4 platform, can support PCIe 4.0 on X570 and B550 motherboards. Maximum Temperature-95C
Description
The AMD Ryzen 9 3900XT. Light Years Ahead. Featuring award winning performance and optimized technology for gamers, for creators, for everyone.
Specs 28
| Brand | AMD |
|---|---|
| CPU Manufacturer | AMD |
| CPU Model | Ryzen 9 3900X |
| CPU Speed | 4.7 GHz |
| CPU Socket | Socket AM4 |
| Processor Series | Ryzen 9 3900X |
| Processor Speed | 4.7 GHz |
| Processor Socket | Socket AM4 |
| Secondary Cache | 70 |
| Wattage | 105 watts |
| Cache Memory Installed Size | 70 |
| Processor Count | 12 |
| Processor Number of Concurrent Threads | 24 |
| Processor Core Count | 12 |
| Cooling Method | liquid |
| Platform | Linux, Windows |
| Software Update Supported to Date | unknown |
| Processor Brand | AMD |
| Model Number | AMD Ryzen 9 3900XT |
| Number of Items | 1 |
| Unit Count | 1 Count |
| UPC | 730143312257 |
| Number of Packs | 1 |
| Manufacturer | AMD |
| Global Trade Identification Number | 57 |
| Item Weight | 1 g |
| Item Type Name | Desktop Processor |
| Mfr Part Number | 7WOF |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Nov 17
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Should Serve Me Many Years
Style: CPU Only
Way more processor than I typically need. I do like to run lots of screens and have many apps/windows open, and this CPU should last me for many years. My motherboard and accompanying software set things up automatically with a modest 12% OC to all 12 cores. This default configuration is keeping all the cores locked at 4.275mhz. From what I can tell in using the machine it runs pretty cool/quiet for a configuration that is keeping everything running full speed at all times. Each core seems to be pulling from 11 to 14 watts of power depending on the load. My cooling is nothing fancy, just a cheap 240 type AIO kit (had it laying around so might as well use it) in a spacey/airy industrial style rack-mount chassis. No problems keeping temps below 50c in a room kept around 70f. I do use this build for DAW applications. Dorico, Cubase, Finale, and Sibelius are my goto apps in that arena. The sounds and effects I use aren't that CPU intensive, but they can work a storage device pretty hard. I run consumer grade storage devices (no Thunderbolt, SCS, or anything like that) on NVMe or SATA with the controllers built into my X570 motherboard. I don't do benchmarks and stuff, but the machine feels very snappy/responsive with any task I throw at it so I'm very pleased. On value, I think it really depends on what one needs, and when one is buying. I got mine in the thick of the holiday season shortly before a new generation would be released. I needed it NOW and didn't really have time to wait for the best timing or shop around. For me, there are probably better values out there for my specific needs in the lower ranges or older models, but I guess it never hurts to have some growing/future proofing room. For what I do...this processor should serve me for at least a good 10 years! As long as I don't go back and second guess myself, compare the finer points on value of other models and makes....well, I won't miss any sleep. I'll just enjoy my snappy PC and be happy.
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Reviewed in the United States on December 28, 2020 by Credo
AMD's Fastest Mainstream Part
Style: CPU Only
Three years ago, I build a system with an Intel i7 7700K. Last month, I replaced that Intel with an AMD R7 3800X, which advertised a 4.5GHz speed, but typically delivered about 4.2 for single core loads and 4.0 for all core. That isn't unusual for Ryzen CPU's, where your "up to" speed and your actual speed will vary by 200-300MHz. The single core speed just wasn't enough of an improvement over my old Intel. It also isn't worth my time (or yours) trying to mess with overclock settings when the chip is pretty well optimized out of the box. Enter the new XT processors. I could have swapped up to the 3800XT, which would have given me the speed bump I wanted, but would have cost $70 more for just that extra MHz. The 3900XT here was $170 more, but delivered 50% more cores as well as the same low-load speed of the lesser XT chip. It's the better value, and likely the more future-proof solution as well, as more software is written to take advantage of high core counts. So what does this 3900XT do? It does indeed hit the 4.7GHz advertised speed on 2 cores (4766MHz to be exact). It will do this while you're browsing the web or otherwise not doing much. Low-to-Medium use cases (e.g. games) will see the chip turbo up to 4.2-4.5GHz. The heaviest loads will see a boost to 4.0-4.2GHz. The exact number depends on the specific kind of program being run. In general, it's a 5-10% improvement over the 3800X. Your exact chip will vary a bit from these figures, likely less than 100MHz. It might also depend on your cooling setup. I stuck my 3900XT into a ITX box and a compact heat sink (pictured). More robust cooling and a more aggressive PBO (a built-in overclocking function) could probably net you slightly better performance. Again, on the order of 100-150MHz. So you could, potentially, see 4.7+ top speeds and 4.6 in-game turbos. However, AMD doesn't leave performance hanging out there. The main thing to consider is why this over the 3900X (no "T") which can be had for $70-100 less. In my case, I was choosing the better binning, the better chance of hitting higher low-thread clocks, and (preferably) lower heat. In short, I wanted a sure bet. The 3900XT delivers. This chip, unless you're hitting all 12 cores with 24 threads, actually runs as cool or cooler than my 3800X. So if you're looking for a lot of GHz and a lot of cores, and money isn't really an object, get this. There will be something new around the corner (there always is) and at that point, maybe you should get that instead. Right here, right now, there isn't a lot that's better.
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Reviewed in the United States on August 7, 2020 by JT
Smooth as Silk. PowerFull +12-16 FPS Game Cache!
Style: CPU Only
For me , a Gamer, The 64mb of Game Cache was important and being ably to run up to 4600mhz oc memory speeds! (MY MOBO), Besides that, There is no Flaws, Besides it does run a lil Hot under Load, Thats depending on your case Setup of course, But not to Worry, for any one that might, because the normal temps for these are 75c up to 90c. If you Want to OverClock you of course can but will Have to have a WaterCooler, unless you have decent air flow with Minimal OC settings. I came from a Ryzen 7 Seriers From the 5 Series also, So i know what all these cpus can and cant do. Really no reason to OC though. Unless like myself , Stream CoD WarZone in 1440p While Running Game in 1440p Pretty Much Everything MAXED With RayTracing on. and Get a average of 150- up to 200FPS . While streaming its only a 2-4 FPS drop, with of course some unseen Latency Draws, Ryzen 5 i averaged 80-110FPS Ryzen 7 100-130 FPS MY SPECS. Asus Prime x570 Ryzen 9 3900xt / WaterCooled RTX 2070 SUPER 16gb 4133mhz RAM 850 SuperNova Ps. SoundBlaster z pci e / Headset M.2 SSD 32" 1ms Gysnc Curve 2560x1440p 165Hz. Logitech Hero Mouse/ONN Keyboard Win10 x64 Any ? About CPU Or My System Setup Feel Free to ask . THANKS
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Reviewed in the United States on November 22, 2020 by Terry Chandler
Good price to performance
Style: CPU Only
Really good cpu
Reviewed in the United States on April 26, 2026 by Matthew gi
super speedy and great for gaming
Style: CPU Only
My i7-4790k wasn't cutting it. I would run at 100% on games and video editing. It was time for a new CPU. So I looked around, and since my son has the R7 2700x and was pleased with it, I decided to go with Ryzen. But I wanted something that I could throw anything at and handle it with ease. I saw the new R9 3900xt, which has a small boost up from the 3900x. So now I have my computer running and WOW, I've been missing a lot. On Minecraft, chunks load a lot faster, not at a snail pace. Need for Speed is great. getting huge fps. With the i7, the game would run the cpu at 100%. This R9 is barely using 7% of it's weight in running NFS. Let's not forget about downloads. This thing is quick. The i7 would take forever. go get snack and take a nap and it's still downloading. But R9, blink your eyes and it's done. R9 3900xt GSkill Flare X C14 3200 ASRock Taichi X570 Samsung SSD
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Reviewed in the United States on January 3, 2021 by gamer_fighter
Great CPU for Gaming/Fast Workstation
Style: CPU Only
This CPU is one of the top of the line, latest and greatest CPU's. It will run anything that is thrown at it, and compared to Intel, the price is much more friendly. They recommend a water cooler, however, I am using a Noctua NH-D15 cooler in the single fan configuration (dual fans wouldn't fit as my RAM is too tall) - and it keeps the CPU below 60°C during idle and playing games. I have yet to run anything that even pushes the maximum power out of this CPU. I would definitely recommend this as an upgrade, and even for new PC builds. Just be aware that this requires a discreet (separate) graphics card, as there are no integrated graphics. If you have an issue with a BIOS update - AMD will send you a "bootkit" loaner for free, which will allow you to update your BIOS and install your new CPU.
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Reviewed in the United States on September 14, 2020 by Andrew Powers
Beware Bent Pins
Style: CPU Only
As far as the cpu goes its great. Thats why I have given it 4 stars. I have ordered several ryzen cpus from amazon and all but one have arived with bent pins. I straightened them out and the cpus worked fine but i feel that this is something that most people shouldn't do nor should you have to. This cpu was particularly frustrating because it had about 25 pins bent. So check this when it arives and send it back if you are uncomfortable with the tedious pin straightening.
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Reviewed in the United States on February 13, 2021 by dwight
Best AMD chip for overclocking (besides the 3950X)
Style: CPU Only
Great chip if you’re not looking to dish out the extra cash for the 3950X. I would not recommend this to users who are not planning on overclocking. The XT series is designed for max OC potential, so don’t spend the extra $$$ if you’re going to run things at stock. I have a custom loop with 2X 360mm rads + 1 480mm Rad, and Im running it at 4.3 GHz on all cores. Idle temps are 40-50 C , with cinebench temps jump to About 68-70 C and during gaming it usually stays at around 60-65 (all testing done @ 1440p). You will definitely need a solid cooling solution for this processor. I’m not sure if I’ll consider undervolting to lower temps as it runs pretty hot even when watercooled, however I’m happy with the performance.
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Reviewed in the United States on October 7, 2020 by Jeigermeister