Asus High end
Check on Amazon TUF Gaming X570-Plus (Wi-Fi)
$218–$241
X570 platform match
AMD Ryzen 9 3900X
- Brand
- AMD
- Model
- AMD Ryzen 9 3900X
AMD Ryzen 9 3900X: 12‑core Zen 2 AM4 CPU launched July 7, 2019; enthusiast pick for 1440p gaming and content creation, unlocked, PCIe 4.0, no iGPU.
Compute rankTop 20% of CPUs
TierEnthusiast?GixCore tierWhat a part was built to do — not what it costs.EntryBudgetMainstreamHigh endEnthusiastFlagship A part can be cheap because it is an ageing flagship, or because it is a current entry-level model. The tier tells you which.
ReleasedJul 2019
As an Amazon Associate, GixCore earns from qualifying purchases.Pricing note?This range is based on our last recorded catalog price and is not a quote. Check Amazon for the current price.
Cores12
Threads24
SocketAM4
MemoryDDR 3200 support
Base clock3.80 GHz
Boost clock4.60 GHz
TDP105 W
Cache70 MB
GixCore Editorial
Product overview
Released July 7, 2019, the Ryzen 9 3900X is a 3rd Gen Ryzen (Zen 2 “Matisse”) desktop CPU for socket AM4. It offers 12 cores and 24 threads at 3.8 GHz base and up to 4.6 GHz boost, with 70 MB of combined cache and a 105 W TDP. In AMD’s stack it’s an enthusiast-class chip designed to bring high‑core‑count productivity to the mainstream AM4 platform alongside strong gaming.
It excels at 1440p gaming, streaming, video editing, and 3D rendering, supports DDR4‑3200, and enables PCIe 4.0 when paired with an X570 motherboard. The multiplier is unlocked for overclocking, and there’s no integrated graphics, so a discrete GPU is required. Unique note: the retail box includes AMD’s Wraith Prism RGB cooler.
Best for
- 1440p gaming
- streaming
- video editing
- 3D rendering
- office/productivity
Pairing fit
Compatible Motherboards
Compatible options ranked for this part's performance class. See all 5 →
Gigabyte Mainstream
Check on Amazon B550 Gaming X V2
$80–$89
B550 platform match
Asus Mainstream
Check on Amazon ROG Strix B550-F Gaming WiFi II
$157–$173
B550 platform matchBudget pairings2 lower-tier compatible options
Pairing fit
Compatible RAM kits
Compatible options ranked for this part's performance class.
PNY Enthusiast
Check on Amazon XLR8 Gaming 16GB (2x8GB) DDR4-4600
$120–$133
DDR4-4600 memory matchPNY Enthusiast
Check on Amazon XLR8 Gaming 16GB (2x8GB) DDR4-4400
$120–$133
DDR4-4400 memory matchPNY Enthusiast
Check on Amazon XLR8 Gaming 16GB (2x8GB) DDR4-4200
$120–$133
DDR4-4200 memory match
PNY High end
Check on Amazon XLR8 Gaming 16GB (2x8GB) DDR4 DRAM 4000MHz
$120–$133
DDR4-4000 memory matchBudget pairings6 lower-tier compatible options
G.SKILL Mainstream
Check on Amazon RipjawsV Series DDR4 32GB (2x16GB) 3600MT/s F4-3600C16D-32GVKC
$237–$262
DDR4-3600 memory match
G.SKILL Mainstream
Check on Amazon Trident Z Neo DDR4 3600MT/s 64GB (4x16GB)
$532–$588
DDR4-3600 memory match
Corsair Mainstream
Check on Amazon Vengeance RGB PRO 32GB DDR4-3600
$261–$289
DDR4-3600 memory match
Corsair Mainstream
Check on Amazon CMW16GX4M2C3200C16 32GB DDR4-3200
$243–$269
DDR4-3200 memory match
Crucial Mainstream
Check on Amazon CT2K32G4DFD832A 64GB DDR4-3200
$474–$524
DDR4-3200 memory match
G.Skill Mainstream
Check on Amazon RipJaws V Series 16GB (2 x 8GB) DDR4-3200
$128–$142
DDR4-3200 memory matchSpecifications
At a glance iEach dot represents a catalog model. Farther right means a higher measured value, not necessarily a better fit.Measured against the CPUs catalog
Current modelCatalog models
Cores12
Higher than 74% of CPUs
Threads24
Higher than 85% of CPUs
Boost clock4.6 GHZ
Higher than 40% of CPUs
RAM speed3200 MT/s
Higher than 69% of CPUs
- Cores
- 12
- Threads
- 24
- Socket
- AM4
- Memory
- DDR 3200 support
- Base clock
- 3.8 GHZ
- Boost clock
- 4.6 GHZ
- TDP
- 105 W
- Cache
- 70 MB
- Generation
- 3
- Max Memory Size
- 128 GB
- ECC Support
- Yes
- Hyper Threading
- Yes
- Turbo Boost
- Yes
- Chipset
- X570
- Ram Speed
- 3200 MT/s