Bitmain Antminer S21+ Hyd vs MicroBT WhatsMiner M70S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd | Specification | MicroBT WhatsMiner M70S+ |
|---|---|---|
| 319.0 TH/s | Hashrate | 262.0 TH/s |
| 4,785 W | Power Consumption | 3,275 W |
| 15.0 J/TH | Efficiency | 12.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 17.5 kg | Weight | 13.5 kg |
| 16,326 BTU/hr | BTU Output | 11,174 BTU/hr |
| 44/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21+ Hyd
MicroBT WhatsMiner M70S+
Based on BTC price of $78,024 and current network difficulty as of Apr 26, 2026. Actual results vary.
Verdict
Both the Bitmain Antminer S21+ Hyd and MicroBT WhatsMiner M70S+ are closely matched across our scoring factors, with neither holding a decisive advantage. Your choice should depend on your specific priorities — review the specs and profitability analysis above.
Best For...
Best for Profitability
MicroBT WhatsMiner M70S+$1.56/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21+ HydScore: 44/100. 50 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M70S+12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21+ Hyd or MicroBT WhatsMiner M70S+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M70S+ is more profitable at $1.62/day compared to $0.06/day for the Bitmain Antminer S21+ Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21+ Hyd or MicroBT WhatsMiner M70S+?
The Bitmain Antminer S21+ Hyd is quieter at 50 dB compared to the MicroBT WhatsMiner M70S+ at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S21+ Hyd or MicroBT WhatsMiner M70S+?
The Bitmain Antminer S21+ Hyd scores 44/100 on our Home Mining Score (vs 36/100 for the MicroBT WhatsMiner M70S+). 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 S21+ Hyd and MicroBT WhatsMiner M70S+?
The Bitmain Antminer S21+ Hyd runs at 15.0 J/TH while the MicroBT WhatsMiner M70S+ runs at 12.5 J/TH — a difference of 2.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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