Bitmain Antminer S21 Hyd (335Th) vs MicroBT WhatsMiner M76
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Hyd (335Th) | Specification | MicroBT WhatsMiner M76 |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 354.0 TH/s |
| 5,360 W | Consommation électrique | 5,133 W |
| 16.0 J/TH | Efficiency | 14.5 J/TH |
| — | Niveau de bruit | 75 dB |
| 14.2 kg | Weight | 18.0 kg |
| 18,288 BTU/hr | BTU Output | 17,514 BTU/hr |
| 16/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21 Hyd (335Th)
MicroBT WhatsMiner M76
Based on BTC price of $78,210 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the MicroBT WhatsMiner M76 comes out ahead — it takes 5 of 5 (efficacité, hashrate, consommation électrique, score de minage domestique, niveau sonore). Where it pulls away hardest is 9% better efficacité (16.0 vs 14.5 J/TH). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S21 Hyd (335Th) and MicroBT WhatsMiner M76 sit on each measurable spec:
- MicroBT WhatsMiner M76 6% more hashrate (335 vs 354 TH/s)
- MicroBT WhatsMiner M76 4% better power draw (5,360 vs 5,133 W)
- MicroBT WhatsMiner M76 9% better efficacité (16.0 vs 14.5 J/TH)
- Bitmain Antminer S21 Hyd (335Th) 21% better weight (14.2 vs 18.0 kg)
- Bitmain Antminer S21 Hyd (335Th) 4% more heat output (18,288 vs 17,514 BTU/hr)
- MicroBT WhatsMiner M76 88% more score de minage domestique (16.0 vs 30.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer S21 Hyd (335Th) | Metric | MicroBT WhatsMiner M76 |
|---|---|---|
| $3,999 | Upfront cost (MSRP) | — |
| -$0.81 | Daily net profit | $0.42 |
| -$4,294 | Net after 1 year | +$154 |
| -$4,588 | Net after 2 years | +$308 |
| -$4,883 | Net after 3 years | +$462 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
MicroBT WhatsMiner M76$1.23/day higher profit at current rates.
Best for Home Mining
MicroBT WhatsMiner M76Score: 30/100. 75 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7614.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 Hyd (335Th) or MicroBT WhatsMiner M76 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M76 is more profitable at $0.42/day compared to $-0.81/day for the Bitmain Antminer S21 Hyd (335Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S21 Hyd (335Th) or the MicroBT WhatsMiner M76 better for noise-sensitive spaces?
The MicroBT WhatsMiner M76 is quieter at 75 dB compared to the Bitmain Antminer S21 Hyd (335Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S21 Hyd (335Th) vs MicroBT WhatsMiner M76: which fits a residential setup better?
The MicroBT WhatsMiner M76 scores 30/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 Hyd (335Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S21 Hyd (335Th) and MicroBT WhatsMiner M76 on J/TH?
The Bitmain Antminer S21 Hyd (335Th) runs at 16.0 J/TH while the MicroBT WhatsMiner M76 runs at 14.5 J/TH — a difference of 1.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 9% better efficacité (16.0 vs 14.5 J/TH).