Bitmain Antminer S9 (12.5Th) vs Whatsminer M63S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9 (12.5Th) | Specification | Whatsminer M63S+ |
|---|---|---|
| 12.5 TH/s | Hashrate | 450.0 TH/s |
| 1,225 W | Power Consumption | 7,650 W |
| 98.0 J/TH | Efficiency | 17.0 J/TH |
| — | Noise Level | 50 dB |
| 4,200.0 kg | Weight | 27.5 kg |
| 4,180 BTU/hr | BTU Output | 26,102 BTU/hr |
| 31/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9 (12.5Th)
Whatsminer M63S+
Based on BTC price of $79,110 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Whatsminer M63S+, which leads on 4 of 6 weighted factors (efficiency, hashrate, home mining score, noise level). The standout gap is 3500% more hashrate (12.5 vs 450.0 TH/s) in the Whatsminer M63S+'s favour. That said, the Bitmain Antminer S9 (12.5Th) isn't beaten everywhere — it still wins power consumption and price-performance. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer S9 (12.5Th) and Whatsminer M63S+ actually differ, with the gap quantified:
- Whatsminer M63S+ 3500% more hashrate (12.5 vs 450.0 TH/s)
- Bitmain Antminer S9 (12.5Th) 84% better power draw (1,225 vs 7,650 W)
- Whatsminer M63S+ 83% better efficiency (98.0 vs 17.0 J/TH)
- Whatsminer M63S+ 99% better weight (4,200.0 vs 27.5 kg)
- Whatsminer M63S+ 524% more heat output (4,180 vs 26,102 BTU/hr)
- Whatsminer M63S+ 42% more home mining score (31.0 vs 44.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer S9 (12.5Th) | Metric | Whatsminer M63S+ |
|---|---|---|
| $65 | Upfront cost (MSRP) | $14,000 |
| -$2.48 | Daily net profit | -$1.98 |
| -$972 | Net after 1 year | -$14,722 |
| -$1,879 | Net after 2 years | -$15,444 |
| -$2,786 | Net after 3 years | -$16,166 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Whatsminer M63S+Score: 44/100. 50 dB noise level.
Best for Efficiency
Whatsminer M63S+17.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S9 (12.5Th) or the Whatsminer M63S+?
At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M63S+ is more profitable at $-1.98/day compared to $-2.48/day for the Bitmain Antminer S9 (12.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S9 (12.5Th) vs Whatsminer M63S+: which runs at a lower noise level?
The Whatsminer M63S+ is quieter at 50 dB compared to the Bitmain Antminer S9 (12.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S9 (12.5Th) vs Whatsminer M63S+: which fits a residential setup better?
The Whatsminer M63S+ scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (12.5Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Bitmain Antminer S9 (12.5Th) and Whatsminer M63S+?
The Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH while the Whatsminer M63S+ runs at 17.0 J/TH — a difference of 81.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 83% better efficiency (98.0 vs 17.0 J/TH).