CPU vs CPU
Ryzen 7 9800X3D vs Core i9-14900K
The Ryzen 7 9800X3D is 24% faster in games for 18% more money for the whole platform (processor, board, 32GB of memory and a cooler if needed), so it's the better buy for gaming.
Key facts· updated
- The Ryzen 7 9800X3D scores 97 and the Core i9-14900K scores 78.2 for 1080p gaming in the Tom's Hardware CPU hierarchy, Oct 2026 (RTX 5090, fastest chip = 100).
- The Ryzen 7 9800X3D is 24% faster in games than the Core i9-14900K (Tom's Hardware CPU hierarchy, Oct 2026).
- The Ryzen 7 9800X3D costs $444 and the Core i9-14900K costs $490 (PC Atlas price check, Nov 3, 2026; catalog estimates, not live store prices).
- With the cheapest compatible board and 32GB of memory, it's $1,024 for the Ryzen 7 9800X3D platform vs $871 for the Core i9-14900K platform (PC Atlas price check, Nov 3, 2026; catalog estimates, not live store prices).
- The Ryzen 7 9800X3D uses AM5 and the Core i9-14900K uses LGA1700, so they need different motherboards.
| Spec | Ryzen 7 9800X3D | Core i9-14900K |
|---|---|---|
| Gaming score (1080p) | 97 | 78.2 |
| Price today | $444Sample | $490Sample |
| Platform cost today | $1,024Sample | $871Sample |
| Cores | 8 | 24 |
| Gaming power (approx.) | ~120 W | ~253 W |
| Socket | AM5 | LGA1700 |
| Memory | DDR5 | DDR4/DDR5 |
| Cooler in the box | No | No |
| Built-in graphics | Yes | Yes |
Gaming score: Tom's Hardware CPU hierarchy, “Gaming CPU Benchmarks Rankings 2026” (Oct 2026; 1080p, mix of High and Ultra settings, geometric mean of 17 games, relative to the Ryzen 7 9850X3D (= 100); NVIDIA GeForce RTX 5090 Founders Edition). Specs from maker pages (checked 2026-10-29). Platform cost = processor + cheapest compatible board + cheapest 32GB kit + cheapest cooler rated for the chip when none is in the box. Highlighted = better. Prices last checked ; Sample = PC Atlas catalog estimate, not a live store price.
Good to know
- Ryzen 7 9800X3D on the ASRock A620M-HDV/M.2+ (mATX): May need a BIOS update (Build a PC shows the fix).
Questions
Is the Ryzen 7 9800X3D better than the Core i9-14900K for gaming?
The Ryzen 7 9800X3D is 24% faster in games for 18% more money for the whole platform (processor, board, 32GB of memory and a cooler if needed), so it's the better buy for gaming.
How much faster is the Ryzen 7 9800X3D in games?
24% in the Tom's Hardware CPU hierarchy (Oct 2026): a 1080p gaming score of 97 vs 78.2, tested with an RTX 5090 so the processor is the limit. At 1440p and 4K with a mid-range card the gap shrinks, often to nothing.
What does each one cost with a motherboard and memory?
Ryzen 7 9800X3D: about $1,024 with the ASRock A620M-HDV/M.2+ (mATX) and G.Skill Flare X5 32GB (2x16) DDR5-6000 CL30 plus the Thermalright Assassin X 120 R SE. Core i9-14900K: about $871 with the MSI PRO H610M-G DDR4 (mATX) and TeamGroup T-Force Delta RGB 32GB (2x16) DDR4-3200 CL16 plus the DeepCool AK620.
Can I upgrade the Ryzen 7 9800X3D or Core i9-14900K later?
AM5: AMD has said it will support the socket through at least 2027, so a later Ryzen can drop into the same board. LGA1700: end of the line. Intel's newer chips use LGA1851.