Last Updated & Fact Checked: April 16, 2026
Are you trying to decide between the AMD Ryzen 7 5800X and the AMD Ryzen 9 3900X?
Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the AMD Ryzen 7 5800X or the AMD Ryzen 9 3900X – and find out exactly what the differences are.
Both the AMD Ryzen 7 5800X and the AMD Ryzen 9 3900X are quality products, so read on to find out which one is best for your needs!
AMD Ryzen 7 5800X quick facts
AMD Ryzen 9 3900X quick facts
AMD Ryzen 7 5800X product details
Bestseller No. 1
AMD Ryzen 7 5800X 8-core, 16-thread unlocked desktop processor
- AMD's fastest 8 core processor for mainstream desktop, with 16 procesing threads. OS Support-Windows 10 64-Bit Edition
- Can deliver elite 100+ FPS performance in the world's most popular games
- Cooler not included, high-performance cooler recommended
- 4.7 GHz Max Boost, unlocked for overclocking, 36 MB of cache, DDR-3200 support
- For the advanced Socket AM4 platform, can support PCIe 4.0 on X570 and B550 motherboards
Bestseller No. 2
AMD Ryzen™ 7 5800XT 8-Core, 16-Thread Unlocked Desktop Processor
- Powerful Gaming Performance
- 8 Cores and 16 processing threads, based on AMD "Zen 3" architecture
- 4.8 GHz Max Boost, unlocked for overclocking, 36 MB cache, DDR4-3200 support
- For the AMD Socket AM4 platform, with PCIe 4.0 support
- AMD Wraith Prism Cooler with RGB LED included
Bestseller No. 3
AMD Ryzen 7 5700X 8-Core, 16-Thread Unlocked Desktop Processor
- Can deliver ultra-fast 100+ FPS performance in the world's most popular games, discrete graphics card required
- 8 Cores and 16 processing threads, based on AMD "Zen 3" architecture
- 4.6 GHz Max Boost, unlocked for overclocking, 36 MB cache, DDR4-3200 support
- For the advanced Socket AM4 platform, can support PCIe 4.0 on X570 and B550 motherboards
- Cooler not included
AMD Ryzen 9 3900X product details
Bestseller No. 1
AMD Ryzen 9 3900X 12-core, 24-thread Unlocked Desktop processor with Wraith Prism LED Cooler
- The world's most advanced processor in the desktop PC gaming segment
- Can deliver Ultra-fast 100 plus FPS performance in the world's most popular games
- 12 Cores and 24 processing threads, bundled with the AMD Wraith Prism cooler with color controlled LED support
- 4.6 GHz max Boost, unlocked for overclocking, 70 MB of game Cache, DDR 3200 support. OS Support-Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit. Operating System (OS) support will vary by manufacturer
Bestseller No. 2
AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler (Renewed)
- The World'S Most Advanced Processor In The Desktop Pc Gaming Segment
- Can Deliver Ultra-Fast 100+ Fps Performance In The World'S Most Popular Games
- 12 Cores And 24 Processing Threads, Bundled With The Amd Wraith Prism Cooler With Color Controlled Led Support
- 4.6 Ghz Max Boost, Unlocked For Overclocking, 70 Mb Of Game Cache, Ddr 3200 Support. Os Support-Windows 10 - 64-Bit Edition, Rhel X86 64-Bit, Ubuntu X86 64-Bit
Bestseller No. 3
AMD Ryzen 9 7900X 12-Core, 24-Thread Unlocked Desktop Processor
- Processor is versatile, reliable, and offers convenient usage with high speed
- Ryzen 9 product line processor for your convenience and optimal usage
- 5 nm process technology for reliable performance with maximum productivity
- Dodeca-core (12 Core) processor core allows multitasking with great reliability and fast processing speed
- 12 MB L2 plus 64 MB L3 cache memory provides excellent hit rate in short access time enabling improved system performance
New products & alternatives to the AMD Ryzen 7 5800X and the AMD Ryzen 9 3900X
New
AMD Ryzen 9 5900XT, without Cooler AM4, 3.3 GHz, 16 Core/32 Thread, 72 MB, 105W, 3 Year Warranty + 1 Year Authorized Dealer 100-100001581WOF/EW-1Y
- Amazon Limited Lifetime Warranty Model
- AMD Ryzen 5000 Series Desktop Processor
- Socket: AM4 compatible
- CPU cooler sold separately
- No GPU
New
AMD Ryzen 5 7500X3D Box
- With 6 cores and 12 threads, the 7500X3D is a new entry-level X3D solution based on Zen4 architecture for gamers, delivering X3D technology at an even lower price for the AM5 socket. The Ryzen 5 7500X3D is faster in AAA titles and competitive gaming than comparable processors in the same price range.
New
AMD Ryzen 7 G-Series 8700G Octa-core (8 Core) 4.20 GHz Processor - 16 MB L3 Cache - 8 MB L2 Cache - 64-bit Processing - 5.10 GHz Overclocking Speed - 4 nm - Socket AM5 - AMD Radeon 780M Dodeca-core (1
- Processor Manufacturer: AMD
- Processor Core: Octa-core (8 Core)
- Clock Speed: 4.20 GHz
- Overclocking Speed: 5.10 GHz
- L2 Cache: 8 MB
Our conclusion on the AMD Ryzen 7 5800X vs AMD Ryzen 9 3900X
Both the AMD Ryzen 7 5800X and the AMD Ryzen 9 3900X are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.
Either way, the AMD Ryzen 7 5800X and the AMD Ryzen 9 3900X are both excellent products that will more than do their job!