Orbitused tech prices

Best used CPU for gaming under $400 (October 2026)

Every model whose typical used price (including shipping) is under $400 today, ranked by performance. Performance index: approximate gaming average with a fast graphics card, from public benchmarks, Ryzen 5 5600X = 100. A guide for ranking, not a benchmark. Updated from live eBay listings.

Top pick right now: AMD Ryzen 7 9800X3D at a typical $390 used, including shipping.

AMD Ryzen 7 9800X3D
typical $390 · fair $380–$400 · 30d —
performance 165 · 42.3 per $100
Cheapest: $379
AMD Ryzen 7 7800X3D
typical $300 · fair $299–$315 · 30d —
performance 150 · 50.0 per $100
Cheapest: $275
Intel Core i9-13900K
typical $385 · fair $300–$460 · 30d —
performance 148 · 38.4 per $100
Cheapest: $285
Intel Core i7-13700K
typical $280 · fair $267–$320 · 30d —
performance 140 · 50.0 per $100
Cheapest: $265
AMD Ryzen 9 7950X
typical $355 · fair $337–$392 · 30d —
performance 135 · 38.0 per $100
Cheapest: $290
AMD Ryzen 7 5800X3D
typical $336 · fair $322–$382 · 30d —
performance 130 · 38.7 per $100
Cheapest: $309
AMD Ryzen 5 7600X
typical $145 · fair $140–$150 · 30d —
performance 125 · 86.2 per $100
Cheapest: $135
Intel Core i7-12700K
typical $222 · fair $205–$258 · 30d —
performance 122 · 54.8 per $100
Cheapest: $200
Intel Core i5-12600K
typical $180 · fair $170–$196 · 30d —
performance 115 · 63.9 per $100
Cheapest: $149
AMD Ryzen 5 5600X
typical $150 · fair $140–$155 · 30d —
performance 100 · 66.7 per $100
Cheapest: $130

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Often bought with it

CPU air cooler ↗Thermal paste ↗AM5 / LGA1700 motherboards ↗

Amazon links (new items).