#cpumining

As of March 2026, the most profitable coin for AMD Ryzen 9 5900X mining is Monero (XMR) on RandomX, with 12,800 H/s hashrate and $0.04/day net profit after electricity costs ($0.0727/kWh).

Table/AMD Ryzen 9 5900X

AMD Ryzen 9 5900X

Best coin: Monero — net $0.04/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)$223.00
Motherboard (any AM4 B550/X570)$99.11
RAM (DDR4 3200 8GB × 2)$61.94
Storage (SSD 120GB SATA)$18.58
PSU (550W)$30.97
Total system$433.60

Mining Profitability

CoinAlgoHashrateCPU WSystem WIncome/dayElec/dayProfit/dayCPU H/s/WSys H/s/WCPU $/WSys $/WROI CPUROI System
Monero (XMR)randomx12,800 H/s110 W171 W$0.34$0.30$0.04116.475.0$0.0031/W$0.0020/W15.6 yr
Updated 8 min ago

Frequently Asked Questions

What is the most profitable coin to mine with AMD Ryzen 9 5900X?

The most profitable coin for AMD Ryzen 9 5900X is Monero (XMR) on the RandomX algorithm. Net profit: +$0.04/day (gross income $0.34 minus electricity $0.30 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 5900X on RandomX?

The typical hashrate of AMD Ryzen 9 5900X on RandomX is 12,800 H/s at 110W 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 171W (4.1 kWh/day).

How much does a AMD Ryzen 9 5900X mining system cost?

Minimum used build for AMD Ryzen 9 5900X: CPU — $223, motherboard (any AM4 B550/X570) — $99, RAM (DDR4 3200 8GB × 2) — $62, SSD — $19, PSU 550W — $31. Total: ~$434. Prices are approximate, based on the used market.

How long does it take for AMD Ryzen 9 5900X mining to pay for itself?

At current network parameters and $0.0727/kWh electricity: CPU-only payback — ~15.6 years, full system (~$434) 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.