As of March 2026, the most profitable coin for AMD Ryzen 9 5900X mining is Monero (XMR) on RandomX, with 12,500 H/s hashrate and $0.02/day net profit after electricity costs ($0.0727/kWh).
AMD Ryzen 9 5900X
Best coin: Monero — net $0.02/day
Specifications
Brand: AMD
Platform: consumer
Generation: Zen 3
Socket: AM4
Cores: 12
Threads: 24
Base: 3.7 GHz
Boost: 4.8 GHz
L1: 768 KB
L2: 6 MB
L3: 64 MB
TDP: 105 W
Memory: DDR4 × 2ch
PCIe: Gen 4
System Build (used prices)
CPU (AMD Ryzen 9 5900X)$195.42
Motherboard (any AM4 B550/X570)$73.28
RAM (DDR4 3200 8GB × 2)$30.53
Storage (SSD 120GB SATA)$12.21
PSU (550W)$30.53
Total system$341.98
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 | 12,500 H/s | 110 W | 171 W | $0.31 | $0.30 | $0.02 | 113.6 | 73.3 | $0.0028/W | $0.0018/W | ∞ | ∞ |
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