Bitmain Antminer S11 (20.5Th) vs Whatsminer M30S++
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S11 (20.5Th) | Specification | Whatsminer M30S++ |
|---|---|---|
| 20.5 TH/s | Hashrate | 112.0 TH/s |
| 1,530 W | Power Consumption | 3,472 W |
| 74.6 J/TH | Efficiency | 31.0 J/TH |
| — | Noise Level | 75 dB |
| 6,500.0 kg | Weight | 12.0 kg |
| 5,220 BTU/hr | BTU Output | 11,847 BTU/hr |
| 28/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S11 (20.5Th)
Whatsminer M30S++
Based on BTC price of $79,091 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Whatsminer M30S++ wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The standout gap is 446% more hashrate (20.5 vs 112.0 TH/s) in the Whatsminer M30S++'s favour. The Bitmain Antminer S11 (20.5Th) holds the edge in power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S11 (20.5Th) and Whatsminer M30S++ actually differ, with the gap quantified:
- Whatsminer M30S++ 446% more hashrate (20.5 vs 112.0 TH/s)
- Bitmain Antminer S11 (20.5Th) 56% better power draw (1,530 vs 3,472 W)
- Whatsminer M30S++ 58% better efficiency (74.6 vs 31.0 J/TH)
- Whatsminer M30S++ 100% better weight (6,500.0 vs 12.0 kg)
- Whatsminer M30S++ 127% more heat output (5,220 vs 11,847 BTU/hr)
- Whatsminer M30S++ 29% more home mining score (28.0 vs 36.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S11 (20.5Th) | Metric | Whatsminer M30S++ |
|---|---|---|
| — | Upfront cost (MSRP) | $2,300 |
| -$2.93 | Daily net profit | -$4.26 |
| -$1,068 | Net after 1 year | -$3,854 |
| -$2,136 | Net after 2 years | -$5,407 |
| -$3,204 | Net after 3 years | -$6,961 |
| — | 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 M30S++Score: 36/100. 75 dB noise level.
Best for Efficiency
Whatsminer M30S++31.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S11 (20.5Th) vs Whatsminer M30S++: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S11 (20.5Th) is more profitable at $-2.93/day compared to $-4.26/day for the Whatsminer M30S++. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S11 (20.5Th) or the Whatsminer M30S++ better for noise-sensitive spaces?
The Whatsminer M30S++ is quieter at 75 dB compared to the Bitmain Antminer S11 (20.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S11 (20.5Th) or Whatsminer M30S++?
The Whatsminer M30S++ scores 36/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S11 (20.5Th)). 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 S11 (20.5Th) and Whatsminer M30S++?
The Bitmain Antminer S11 (20.5Th) runs at 74.6 J/TH while the Whatsminer M30S++ runs at 31.0 J/TH — a difference of 43.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 58% better efficiency (74.6 vs 31.0 J/TH).