As of July 2026, the most profitable coin for AMD Ryzen 9 9900X mining is Wownero (WOW) on RandomWOW, with 14,095 H/s hashrate and $3.02/day net profit after electricity costs ($0.0727/kWh).
AMD Ryzen 9 9900X
Best coin: Wownero — net $3.02/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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wownero (WOW) | randomwow | 14,095 H/s | 126 W | 189 W | $3.35 | $0.33 | $3.02 | 111.9 | 74.4 | $0.0266/W | $0.0177/W | 6.3mo | 10.4mo |
| Monero (XMR) | randomx | 12,913 H/s | 126 W | 189 W | $0.33 | $0.33 | > -$0.01 | 102.5 | 68.2 | $0.0026/W | $0.0017/W | ∞ | ∞ |
| Quantum Resistant Ledger (QRL) | randomx | 12,913 H/s | 126 W | 189 W | $0.32 | $0.33 | -$0.01 | 102.5 | 68.2 | $0.0025/W | $0.0017/W | ∞ | ∞ |
| Zephyr Protocol (ZEPH) | randomx | 12,913 H/s | 126 W | 189 W | $0.31 | $0.33 | -$0.02 | 102.5 | 68.2 | $0.0025/W | $0.0016/W | ∞ | ∞ |
| Salvium (SAL) | randomx | 12,913 H/s | 126 W | 189 W | $0.29 | $0.33 | -$0.04 | 102.5 | 68.2 | $0.0023/W | $0.0015/W | ∞ | ∞ |
| Tari (XTM) | randomx | 12,913 H/s | 126 W | 189 W | $0.24 | $0.33 | -$0.09 | 102.5 | 68.2 | $0.0019/W | $0.0013/W | ∞ | ∞ |
Income trend — WOW (last 30 days)
Gross income (upper line) and net profit (lower) at 14,095 H/s. Shaded area is electricity cost.
Frequently Asked Questions
What is the most profitable coin to mine with AMD Ryzen 9 9900X?
The most profitable coin for AMD Ryzen 9 9900X is Wownero (WOW) on the RandomWOW algorithm. Net profit: +$3.02/day (gross income $3.35 minus electricity $0.33 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 9900X on RandomWOW?
The typical hashrate of AMD Ryzen 9 9900X on RandomWOW is 14,095 H/s at 126W 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 189W (4.5 kWh/day).
How much does a AMD Ryzen 9 9900X mining system cost?
Minimum used build for AMD Ryzen 9 9900X: CPU — $573, motherboard (any AM5 B650/X670) — $204, RAM (DDR5 5200 8GB × 2) — $102, SSD — $19, PSU 550W — $45. Total: ~$942. Prices are approximate, based on the used market.
How long does it take for AMD Ryzen 9 9900X mining to pay for itself?
At current network parameters and $0.0727/kWh electricity: CPU-only payback — ~6 months, full system (~$942) payback — ~10 months. 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.