Antminer S21 Pro vs MicroBT WhatsMiner M79S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Pro | Specification | MicroBT WhatsMiner M79S |
|---|---|---|
| 234.0 TH/s | Taux de hachage | 980.0 TH/s |
| 3,510 W | Consommation électrique | 13,230 W |
| 15.0 J/TH | Efficiency | 13.5 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 15.0 kg | Weight | 37.0 kg |
| 11,976 BTU/hr | BTU Output | 45,141 BTU/hr |
| 30/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S21 Pro
MicroBT WhatsMiner M79S
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the MicroBT WhatsMiner M79S, which leads on 4 of 5 weighted factors (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 319% more hashrate (234 vs 980 TH/s). That said, the Antminer S21 Pro isn't beaten everywhere — it still wins consommation électrique. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S21 Pro and MicroBT WhatsMiner M79S sit on each measurable spec:
- MicroBT WhatsMiner M79S 319% more hashrate (234 vs 980 TH/s)
- Antminer S21 Pro 73% better power draw (3,510 vs 13,230 W)
- MicroBT WhatsMiner M79S 10% better efficacité (15.0 vs 13.5 J/TH)
- MicroBT WhatsMiner M79S 33% better noise (75.0 vs 50.0 dB)
- Antminer S21 Pro 59% better weight (15.0 vs 37.0 kg)
- MicroBT WhatsMiner M79S 277% more heat output (11,976 vs 45,141 BTU/hr)
- MicroBT WhatsMiner M79S 47% more score de minage domestique (30.0 vs 44.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Antminer S21 Pro | Metric | MicroBT WhatsMiner M79S |
|---|---|---|
| $6,800 | Upfront cost (MSRP) | — |
| -$1.76 | Daily net profit | -$3.83 |
| -$7,441 | Net after 1 year | -$1,398 |
| -$8,082 | Net after 2 years | -$2,795 |
| -$8,724 | Net after 3 years | -$4,193 |
| 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
TieBoth miners produce similar daily profit.
Best for Home Mining
MicroBT WhatsMiner M79SScore: 44/100. 50 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M79S13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S21 Pro or the MicroBT WhatsMiner M79S?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Pro is more profitable at $-1.76/day compared to $-3.83/day for the MicroBT WhatsMiner M79S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S21 Pro or the MicroBT WhatsMiner M79S better for noise-sensitive spaces?
The MicroBT WhatsMiner M79S is quieter at 50 dB compared to the Antminer S21 Pro at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21 Pro or MicroBT WhatsMiner M79S?
The MicroBT WhatsMiner M79S scores 44/100 on our Home Mining Score (vs 30/100 for the Antminer S21 Pro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer S21 Pro and MicroBT WhatsMiner M79S on J/TH?
The Antminer S21 Pro runs at 15.0 J/TH while the MicroBT WhatsMiner M79S runs at 13.5 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 10% better efficacité (15.0 vs 13.5 J/TH).
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