Bitmain Antminer S21+ Hyd (358Th) vs MicroBT WhatsMiner M76S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd (358Th) | Specification | MicroBT WhatsMiner M76S+ |
|---|---|---|
| 358.0 TH/s | Hashrate | 416.0 TH/s |
| 5,370 W | Power Consumption | 5,200 W |
| 15.0 J/TH | Efficiency | 12.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 12.8 kg | Weight | 18.0 kg |
| 18,322 BTU/hr | BTU Output | 17,742 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21+ Hyd (358Th)
MicroBT WhatsMiner M76S+
Based on BTC price of $71,534 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT WhatsMiner M76S+ wins on 3 of 5 factors (efficiency, hashrate, power consumption). The Bitmain Antminer S21+ Hyd (358Th) holds the edge in home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
MicroBT WhatsMiner M76S+$2.21/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21+ Hyd (358Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M76S+12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21+ Hyd (358Th) or MicroBT WhatsMiner M76S+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M76S+ is more profitable at $0.42/day compared to $-1.79/day for the Bitmain Antminer S21+ Hyd (358Th). 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 (358Th) or MicroBT WhatsMiner M76S+?
The Bitmain Antminer S21+ Hyd (358Th) is quieter at 50 dB compared to the MicroBT WhatsMiner M76S+ 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 (358Th) or MicroBT WhatsMiner M76S+?
The Bitmain Antminer S21+ Hyd (358Th) scores 44/100 on our Home Mining Score (vs 30/100 for the MicroBT WhatsMiner M76S+). 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 (358Th) and MicroBT WhatsMiner M76S+?
The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the MicroBT WhatsMiner M76S+ 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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