As of March 2026, the most profitable coin for AMD Ryzen 9 7900X mining is Monero (XMR) on RandomX, with 14,400 H/s hashrate and -$0.08/day net profit after electricity costs ($0.0727/kWh).
AMD Ryzen 9 7900X
Best coin: Monero — net -$0.08/day
Specifications
Brand: AMD
Platform: consumer
Generation: Zen 4
Socket: AM5
Cores: 12
Threads: 24
Base: 4.7 GHz
Boost: 5.6 GHz
L1: 768 KB
L2: 12 MB
L3: 64 MB
TDP: 170 W
Memory: DDR5 × 2ch
PCIe: Gen 5
System Build (used prices)
CPU (AMD Ryzen 9 7900X)$268.70
Motherboard (any AM5 B650/X670)$146.56
RAM (DDR5 5600 8GB × 2)$61.07
Storage (SSD 120GB SATA)$12.21
PSU (600W)$36.64
Total system$525.18
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 | 14,400 H/s | 179 W | 252 W | $0.36 | $0.44 | -$0.08 | 80.4 | 57.2 | $0.0020/W | $0.0014/W | ∞ | ∞ |
Updated 11 min ago