Best-selling CPU has price axed in Amazon Prime Big Deal
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When it comes to building out a new PC these days, there are a couple of headline pieces out there. Now for processors, the headliner is the Ryzen 7 9800X3D, and it’s for a good reason. Ever since the announcement of it, the hype has been there, the stacked 3D cache making it an incredible gaming CPU, which now has had upgrades with its reorganization and better cooling to allow for it to be overclocked and have strong performance elsewhere.
Well, if you’ve been holding out on picking it up, now could be the time to buy. As all other hardware gets more expensive, you can now get the 9800X3D for 14% off in Amazon’s Prime Big Deal sale. That drops it from its usual $479 price tag down to $411 instead, giving you a saving of $68 on the best-selling CPU on the site. It also puts it close to one of the lowest prices it’s been at on the retailer, according to price tracking sites.
AMD Ryzen 7 9800X3D
AMD RYZEN 7 9800X3D features
Zen 5 Architecture and Next-Gen 3D V-Cache
Built for exceptional gaming performance, this processor combines AMD Zen 5 architecture with next-generation 3D V-Cache technology. The advanced design is engineered to deliver high-end gaming performance while maintaining strong power efficiency.
Prime Day is here! We've found all the biggest and best deals from this year's event below.
- AMD Ryzenâ„¢ 9 9900X 12-Core - was $499 now $337
- CORSAIR 4000D PC Case - was $124.99 now $75.99
- Hisense 65" Class E6SR - was $549 now $377.99
- Apple 2026 MacBook Air - was $1,999 now $1,799
- Skytech Gaming PC Desktop (9850X3d) - was $3,699 now $3,199
- Apple Magic Mouse - was $79 now $59
- Samsung Galaxy Z Fold8 Ultra - was $2,099 now $1,699
- Amazon Fire HD 10 tablet - was $154 now $72
Prices correct as of October 6th, 2026.
8 Cores and 16 Threads
With 8 cores and 16 threads, the processor provides the performance needed for demanding modern games and intensive multitasking. The Zen 5 architecture delivers an approximately 16% IPC uplift, helping improve overall responsiveness and performance while maintaining excellent power efficiency.
96MB L3 Cache and Up to 5.2GHz
A generous 96MB of L3 cache keeps frequently accessed data close to the processor cores, helping support responsive gaming and smooth performance. Improved thermal performance compared with the previous generation allows for higher clock speeds, reaching up to 5.2GHz.
Socket AM5 Compatibility
Designed as a drop-in upgrade for proven Socket AM5 infrastructure, the processor works with the established AM5 platform. This makes it easier to build or upgrade a compatible gaming system while taking advantage of the platform’s existing ecosystem.
Cooler Not Included
A CPU cooler is not included with the processor, so you’ll need to purchase a compatible cooling solution separately. Make sure your chosen cooler supports Socket AM5 and is suitable for the processor’s performance requirements.
Why we like this AMD CPU deal
When it comes to building out an AM5 build, the 9800X3D is clearly the obvious pick. With that, it boosts beyond what other processors can do, with the stacked cache, giving it that boost in its performance, as we found in our review. You can see its performance in the graphs below, but even without the top-tier supporting hardware, it can do well.
Ryzen 7 9800X3D Blender temperatures graph, Image by PC Guide
Ryzen 7 9800X3D CS2 Power graph, Image by PC Guide
Ryzen 7 9800X3D Cyberpunk 2077 FPS graph, Image by PC Guide
Ryzen 7 9800X3D Blender scores graph, Image by PC Guide
Ryzen 7 9800X3D CS2 temperatures graph, Image by PC Guide
Ryzen 7 9800X3D Blender power graph, Image by PC Guide
Ryzen 7 9800X3D multi core synthetics graph, Image by PC Guide
Ryzen 7 9800X3D CS2 FPS graph, Image by PC Guide
Ryzen 7 9800X3D Cyberpunk 2077 power graph, Image by PC Guide
Ryzen 7 9800X3D synthetics single core graph, Image by PC Guide
Ryzen 7 9800X3D Cyberpunk 2077 temperatures graph, Image by PC Guide
It also gets good reviews from the retailer, with it averaging 4.8 stars out of 5 from over 6,000 reviews. This can now be yours for one of the lower prices it’s been at, according to CamelCamelCamel, as shown in the graph below. Although not updated to the current sales price, it is just a couple of dollars above the previous low of $409.95.
More CPU deals
AMD Ryzen 7 7700X
AMD Ryzen 7 9800X3D
AMD Ryzen 5 5600X with Wraith Stealth Cooler
AMD Ryzen 5 9600X
AMD Ryzen 9 9900X 12-Core, 24-Thread Unlocked Desktop Processor
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