CPU vs CPU
Ryzen 9 9900X vs Ryzen 9 9900X3D
The Ryzen 9 9900X3D is 18% faster in games but costs $238 more for the whole platform (processor, board, 32GB of memory and a cooler if needed). For value, the Ryzen 9 9900X is the pick; pay up only for a high-refresh monitor or a very fast graphics card.
Key facts· updated
- The Ryzen 9 9900X scores 73.9 and the Ryzen 9 9900X3D scores 86.9 for 1080p gaming in the Tom's Hardware CPU hierarchy, Oct 2026 (RTX 5090, fastest chip = 100).
- The Ryzen 9 9900X3D is 18% faster in games than the Ryzen 9 9900X (Tom's Hardware CPU hierarchy, Oct 2026).
- The Ryzen 9 9900X costs $331 and the Ryzen 9 9900X3D costs $569 (PC Atlas price check, Nov 3, 2026; catalog estimates, not live store prices).
- With the cheapest compatible board and 32GB of memory, it's $917 for the Ryzen 9 9900X platform vs $1,155 for the Ryzen 9 9900X3D platform (PC Atlas price check, Nov 3, 2026; catalog estimates, not live store prices).
- Both use the AM5 socket. AM5: AMD has said it will support the socket through at least 2027, so a later Ryzen can drop into the same board.
| Spec | Ryzen 9 9900X | Ryzen 9 9900X3D |
|---|---|---|
| Gaming score (1080p) | 73.9 | 86.9 |
| Price today | $331Sample | $569Sample |
| Platform cost today | $917Sample | $1,155Sample |
| Cores | 12 | 12 |
| Gaming power (approx.) | ~162 W | ~162 W |
| Socket | AM5 | AM5 |
| Memory | DDR5 | 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 9 9900X on the ASRock A620M-HDV/M.2+ (mATX): Board power limit, May need a BIOS update (Build a PC shows the fix).
- Ryzen 9 9900X3D on the ASRock A620M-HDV/M.2+ (mATX): Board power limit, May need a BIOS update (Build a PC shows the fix).
Questions
Is the Ryzen 9 9900X better than the Ryzen 9 9900X3D for gaming?
The Ryzen 9 9900X3D is 18% faster in games but costs $238 more for the whole platform (processor, board, 32GB of memory and a cooler if needed). For value, the Ryzen 9 9900X is the pick; pay up only for a high-refresh monitor or a very fast graphics card.
How much faster is the Ryzen 9 9900X3D in games?
18% in the Tom's Hardware CPU hierarchy (Oct 2026): a 1080p gaming score of 86.9 vs 73.9, 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 9 9900X: about $917 with the ASRock A620M-HDV/M.2+ (mATX) and G.Skill Flare X5 32GB (2x16) DDR5-6000 CL30 plus the Cooler Master Hyper 212 Black. Ryzen 9 9900X3D: about $1,155 with the ASRock A620M-HDV/M.2+ (mATX) and G.Skill Flare X5 32GB (2x16) DDR5-6000 CL30 plus the Cooler Master Hyper 212 Black.
Can I upgrade the Ryzen 9 9900X or Ryzen 9 9900X3D later?
AM5: AMD has said it will support the socket through at least 2027, so a later Ryzen can drop into the same board.