As of March 2026, the most profitable coin for AMD Ryzen 9 7900X mining is Monero (XMR) on RandomX, with 15,477 H/s hashrate and -$0.03/day net profit after electricity costs ($0.0727/kWh).
AMD Ryzen 9 7900X
Best coin: Monero — net -$0.03/day
Specifications
System Build (used prices)
Mining Profitability
| Coin | Algo | Hashrate | CPU W | System W | Income/day | Elec/day | Profit/day | CPU H/s/W | Sys H/s/W | CPU $/W | Sys $/W | ROI CPU | ROI System |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Monero (XMR) | randomx | 15,477 H/s | 178 W | 251 W | $0.41 | $0.44 | -$0.03 | 86.9 | 61.8 | $0.0023/W | $0.0016/W | ∞ | ∞ |
Frequently Asked Questions
What is the most profitable coin to mine with AMD Ryzen 9 7900X?
The most profitable coin for AMD Ryzen 9 7900X is Monero (XMR) on the RandomX algorithm. Net profit: -$0.03/day (gross income $0.41 minus electricity $0.44 at $0.0727/kWh). Actual profitability depends on your electricity rate, system downtime, and other overhead costs.
What is the hashrate of AMD Ryzen 9 7900X on RandomX?
The typical hashrate of AMD Ryzen 9 7900X on RandomX is 15,477 H/s at 178W CPU power draw. This is a realistic sustained 24/7 mining figure on a standard system without fine-tuning. Total system power from the wall is 251W (6.0 kWh/day).
How much does a AMD Ryzen 9 7900X mining system cost?
Minimum used build for AMD Ryzen 9 7900X: CPU — $310, motherboard (any AM5 B650/X670) — $149, RAM (DDR5 5600 8GB × 2) — $62, SSD — $19, PSU 600W — $37. Total: ~$576. Prices are approximate, based on the used market.
How long does it take for AMD Ryzen 9 7900X mining to pay for itself?
At current network parameters and $0.0727/kWh electricity: CPU-only payback — ∞, full system (~$576) payback — ∞. These estimates do not account for potential downtime, hardware wear, changes in network difficulty, or coin price fluctuations. Use the table above to enter your electricity rate for accurate numbers.