Left · AMD
AMD Ryzen 9 7900X3D
Spec score
Spec score 76
$379
typical price
Ryzen 9 7900X3D against Ryzen 9 9900X
Ryzen 9 9900X leads on the overall index. The price beside each button is the Amazon US reading where ScoutPrices has one; the comparison below is worked on typical prices.
Right · AMD
AMD Ryzen 9 9900X
Spec score
Spec score 81
$328
Amazon US, Oct 24
Which one for what
Office & everyday
Ryzen 9 9900Xright
78 vs 86 on the office & everyday blend.
Coding & development
Ryzen 9 9900Xright
76 vs 84 on the coding & development blend.
Light gaming
Ryzen 9 9900Xright
78 vs 80 on the light gaming blend.
Gaming
Either
Within 1 points; buy on price.
Heavy gaming
Either
Within 0 points; buy on price.
Content creation
Ryzen 9 9900Xright
74 vs 81 on the content creation blend.
3D & rendering
Ryzen 9 9900Xright
72 vs 81 on the 3D & rendering blend.
Gaming & streaming
Ryzen 9 9900Xright
75 vs 79 on the gaming & streaming blend.
AI & local models
Ryzen 9 9900Xright
73 vs 82 on the AI & local models blend.
Head to head
Scores
Indices out of 100 on ScoutSpecs' own scale, one per kind of work. They are not frames per second and not a measurement of any one sample.
Spec score
Ryzen 9 7900X3D: 76
Ryzen 9 9900X: 81
5 ptsto the right
Gaming
Ryzen 9 7900X3D: 77
Ryzen 9 9900X: 74
3 ptsto the left
Multi-core
Ryzen 9 7900X3D: 68
Ryzen 9 9900X: 79
11 ptsto the right
Single-core
Ryzen 9 7900X3D: 83
Ryzen 9 9900X: 92
9 ptsto the right
Price and value
Worked on typical prices, the figures the comparison is built on.
Value, points per $100
Ryzen 9 7900X3D: 20.1
Ryzen 9 9900X: 23.1
15%to the right
Typical price
Ryzen 9 7900X3D: $379
Ryzen 9 9900X: $350
$29to the right
From the spec sheets
Cores
Ryzen 9 7900X3D: 12
Ryzen 9 9900X: 12
level
Threads
Ryzen 9 7900X3D: 24
Ryzen 9 9900X: 24
level
Boost clock
Ryzen 9 7900X3D: 5.6 GHz
Ryzen 9 9900X: 5.6 GHz
level
Turbo power
Ryzen 9 7900X3D: 162 W
Ryzen 9 9900X: 162 W
level
The verdict
- The Ryzen 9 7900X3D leads in games by 4%.
- The Ryzen 9 9900X has 16% more all-core throughput for renders, compiles and exports.
- The Ryzen 9 9900X is 11% quicker in single-threaded work, which is most of what a desktop does.
- The Ryzen 9 9900X typically costs $29 less.
- Per dollar, the Ryzen 9 9900X is the better buy: 23.1 points per $100 against 20.1.
Specifications
| Spec | Ryzen 9 7900X3D | Ryzen 9 9900X |
|---|---|---|
| Architecture | Zen 4 X3D | Zen 5 |
| Socket | AM5 | AM5 |
| Cores / threads | 12 / 24 | 12 / 24 |
| Base clock | 4.4 GHz | 4.4 GHz |
| Boost clock | 5.6 GHz | 5.6 GHz |
| TDP / turbo power | 120 / 162 W | 120 / 162 W |
| Memory | DDR5 | DDR5 |
| Built-in graphics | Yes | Yes |
| Cooler in the box | No | No |
| Brand | AMD | AMD |
| Released | 2023 | 2024 (better) |
| Typical price | $379 | $350 (better) |
The better figure of each pair is in green, with a tick.