
- Socket
- AM4
- Cores
- 12
- Threads
- 24
- Frequency
- up to 4.8 GHz
- Cache
- 70 MB
- TDP
- 105 W
at Amazon
Price updated on 07/10/2026
Buy on
Check today's price (opens in a new tab)Pick two processors (or up to four) and see how they differ in specs, price and performance.
CPU 1
CPU 2

at Amazon
Price updated on 07/10/2026
Buy on
Check today's price (opens in a new tab)
at Amazon
Price updated on 07/10/2026
Buy on
Check today's price (opens in a new tab)Note. Different sockets (AM4 and LGA1700): they are not interchangeable on the same motherboard. Switching from one to the other means changing the motherboard.
Warning. Different memory types between the CPUs (DDR4 and DDR4/DDR5): the RAM from one will not work with the other.
Note. AMD Ryzen 9 5900X does not include integrated graphics: you need a dedicated graphics card.
We highlight the best value in each row with a soft background. A higher or lower value does not mean the processor is better for you: it depends on how you use it.
| Specification | Ryzen 9 5900X | Core i9-12900 |
|---|---|---|
| Price | ||
| Best price | ≈ $536.86 (best value in this row) | ≈ $621.00 |
| Performance per dollar (pts per USD) | Data not available | Data not available |
| Processing | ||
| Cores | 12 | 16 (8P + 8E) (best value in this row) |
| Threads | 24 | 24 |
| Base frequency | 3.7 GHz (best value in this row) | 2.4 GHz |
| Boost / turbo frequency | 4.8 GHz | 5.1 GHz (best value in this row) |
| L2 cache | 6 MB | 14 MB (best value in this row) |
| L3 cache | 64 MB (best value in this row) | 30 MB |
| L2 + L3 cache | 70 MB (best value in this row) | 44 MB |
| Power and temperature | ||
| TDP / base power | 105 W | 65 W (best value in this row) |
| Maximum power (PPT / turbo) | Data not available | 202 W |
| Maximum temperature (Tjmax) | Data not available | Data not available |
| Platform | ||
| Socket | AM4 | LGA1700 |
| RAM | DDR4 | DDR4 / DDR5 |
| Official RAM speed | 3,200 MT/s | 4,800 MT/s (best value in this row) |
| PCIe | PCIe 4.0 | PCIe 5.0 y 4.0 |
| Integrated graphics | No | Intel UHD Graphics 770 |
| Architecture | Zen 3 | Alder Lake |
| Generation | Ryzen 5000 series | 12th Gen Core |
| Release | November 2020 | January 2022 |
| Unlocked multiplier | Yes | No |
| Performance scores | ||
| gaming score (0-100) | Data not available | Data not available |
| productivity score (0-100) | Data not available | Data not available |
| single-core score (0-100) | Data not available | Data not available |
| multi-core score (0-100) | Data not available | Data not available |
| efficiency score (0-100) | Data not available | Data not available |
Still to be verified on the official spec sheet: Ryzen 9 5900X (Base and boost frequencies, Release date (month), Official RAM speed, PCIe version, Maximum power (PPT), Maximum temperature (Tjmax), PCIe lanes, Maximum RAM capacity); Core i9-12900 (Base and boost frequencies, Release date (month), Official RAM speed, PCIe version, Maximum temperature (Tjmax), PCIe lanes, Maximum RAM capacity).
Scores from 0 to 100 calculated from sourced benchmarks. If there is no real data, nothing is shown.
There are no sourced benchmarks for these CPUs yet
src/data/benchmarks.ts, citing the source of each one.Relative performance (in games) divided by the current price. It is a figure to interpret, not a verdict.
Ryzen 9 5900X
Core i9-12900
The price/performance chart needs a price and benchmarks
src/data/prices.ts) and performance scores.We couldn't find a video of this exact combination. These include one of the products or cover products of a similar tier: they work as a reference, but FPS depends on the GPU, the games and the settings of each test.
Incluye Ryzen 9 5900X
Channel: Testing Games
Watch on YouTube (opens in a new tab)Productos de nivel parecido
Channel: Canal por verificar
Watch on YouTube (opens in a new tab)Incluye Ryzen 9 5900X
Channel: Dakie Techn
Watch on YouTube (opens in a new tab)Incluye Ryzen 9 5900X
Channel: Testing Games
Watch on YouTube (opens in a new tab)Some results come from an automatic YouTube search: make sure they are what you're looking for.
Visual comparison of the official specifications. It does not measure real-world performance.
Cores
Threads
Boost / turbo
L2 + L3 cache
TDP / base power
Relative scale among the selected CPUs (100 = highest value on each axis). These are specifications, not performance.