Bitmain Antminer S7 vs Whatsminer M30S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S7 | Specification | Whatsminer M30S+ |
|---|---|---|
| 4.7 TH/s | Hashrate | 100.0 TH/s |
| 1,293 W | Power Consumption | 3,400 W |
| 273.4 J/TH | Efficiency | 34.0 J/TH |
| — | Noise Level | 75 dB |
| 3,900.0 kg | Weight | 11.5 kg |
| 4,412 BTU/hr | BTU Output | 11,601 BTU/hr |
| 31/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S7
Whatsminer M30S+
Based on BTC price of $79,177 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Whatsminer M30S+ edges it: 4 of 5 factors go its way (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 2014% more hashrate (4.7 vs 100.0 TH/s). The Bitmain Antminer S7 holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer S7 and Whatsminer M30S+ diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Whatsminer M30S+ 2014% more hashrate (4.7 vs 100.0 TH/s)
- Bitmain Antminer S7 62% better power draw (1,293 vs 3,400 W)
- Whatsminer M30S+ 88% better efficiency (273.4 vs 34.0 J/TH)
- Whatsminer M30S+ 100% better weight (3,900.0 vs 11.5 kg)
- Whatsminer M30S+ 163% more heat output (4,412 vs 11,601 BTU/hr)
- Whatsminer M30S+ 16% more home mining score (31.0 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 S7 | Metric | Whatsminer M30S+ |
|---|---|---|
| — | Upfront cost (MSRP) | $1,800 |
| -$2.93 | Daily net profit | -$4.40 |
| -$1,068 | Net after 1 year | -$3,407 |
| -$2,136 | Net after 2 years | -$5,014 |
| -$3,203 | Net after 3 years | -$6,621 |
| — | 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+34.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S7 or Whatsminer M30S+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S7 is more profitable at $-2.93/day compared to $-4.40/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 S7 or the Whatsminer M30S+ better for noise-sensitive spaces?
The Whatsminer M30S+ is quieter at 75 dB compared to the Bitmain Antminer S7 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S7 vs Whatsminer M30S+: which fits a residential setup better?
The Whatsminer M30S+ scores 36/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S7). 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 S7 and Whatsminer M30S+?
The Bitmain Antminer S7 runs at 273.4 J/TH while the Whatsminer M30S+ runs at 34.0 J/TH — a difference of 239.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 88% better efficiency (273.4 vs 34.0 J/TH).