AM4 processors: lowest prices
An AM4 processor is the CPU built for the AM4 socket on an AMD motherboard. It does the main computing work in your PC — booting the system, running programs, handling games and multitasking. Before you buy, confirm the form factor and socket type match your board, check the motherboard's supported processor list (some older boards need a BIOS update), and make sure your cooler and power supply can handle the chip. These checks keep the build compatible and stable.
- Lowest new $124.99
- Lowest used or refurbished $124.68
- Compared 5 products
| Price | Cores | Product | Condition | Store | Link |
|---|---|---|---|---|---|
| $124.68 | 6 cores / 12 threads | AMD Ryzen 5 5600 AM4 · 3.5–4.4 GHz · 65 W · cooler included | Used | eBay US +1 | View deal |
| $124.99 | 6 cores / 12 threads | AMD Ryzen 5 5600 AM4 · 3.5–4.4 GHz · 65 W · cooler included | New | eBay US | View deal |
| $127.29 | 6 cores / 12 threads | AMD Ryzen 5 5600X AM4 · 3.7–4.6 GHz · 65 W · cooler included | Used | eBay US +2 | View deal |
| $132.98 | 6 cores / 12 threads | AMD Ryzen 5 5600G AM4 · 3.9–4.4 GHz · 65 W · iGPU · cooler included | New | eBay US +2 | View deal |
| $139.99 | 6 cores / 12 threads | AMD Ryzen 5 5600G AM4 · 3.9–4.4 GHz · 65 W · iGPU · cooler included | Used | eBay US +2 | View deal |
| $140.98 | 6 cores / 12 threads | AMD Ryzen 5 5600X AM4 · 3.7–4.6 GHz · 65 W · cooler included | New | eBay US | View deal |
| $309.99 | 8 cores / 16 threads | AMD Ryzen 7 5800X3D AM4 · 3.4–4.5 GHz · 105 W | Used | eBay US +2 | View deal |
| $319.80 | 8 cores / 16 threads | AMD Ryzen 7 5700X3D AM4 · 3.0–4.1 GHz · 105 W | Used | eBay US +2 | View deal |
| $349.00 | 8 cores / 16 threads | AMD Ryzen 7 5800X3D AM4 · 3.4–4.5 GHz · 105 W | New | eBay US +2 | View deal |
| $360.00 | 8 cores / 16 threads | AMD Ryzen 7 5700X3D AM4 · 3.0–4.1 GHz · 105 W | New | eBay US +2 | View deal |
Fits these devices
Before you buy
- Start with your motherboard's support list. Every AM4 board has a published list of processors it works with, along with the minimum BIOS version needed. Check that list before anything else — it is the single most reliable way to know a chip will work in your system.
- Match the processor to what you actually do. Everyday browsing and office work need far less processing power than video editing, 3D work, or gaming at high frame rates. Pick the core count and clock speed that suit your workload instead of buying the biggest number you see.
- Plan for cooling. AM4 processors carry different power ratings, and some include a stock cooler while others do not. Make sure you have a cooler that mounts on AM4 and can handle the heat output of the chip you choose.
Questions
Will an AM4 processor fit my motherboard?
If your motherboard has an AM4 socket, the processor will physically fit. Fitting does not always mean working, though — older boards may need a BIOS update before they recognize newer AM4 processors. Check your board maker's support page for the exact processor model you have in mind before comparing prices.
How do I know an AM4 processor is compatible with my system?
Go beyond the socket. Confirm the required BIOS version, check that your memory runs at the speed you want with that processor, and verify your power supply and cooler can handle it. PartsPrices cross-checks processors against the devices in our catalog, including boards such as the ASUS PRIME B550-PLUS, MSI MAG B550 TOMAHAWK, and Gigabyte B550 AORUS ELITE V2, so you can confirm fit before you compare.
Should I buy a new or used AM4 processor?
Used processors can be a good value, since a CPU has no moving parts and generally lasts a long time. Still, check the seller's return policy and the chip's condition, and keep in mind that used parts may not carry the same warranty coverage as new ones. If you want full warranty and a known history, new is the safer route.
How much processing power do I need?
It depends on what you do. Basic office work, web browsing, and video streaming run well on entry-level AM4 processors. Content creation, compiling code, streaming while gaming, and heavy multitasking all benefit from more cores and threads. If you edit video regularly or game at high refresh rates, stepping up to a higher core count pays off in smoother performance.