Antminer S19 Hydro vs MicroBT WhatsMiner M73
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 Hydro | Specification | MicroBT WhatsMiner M73 |
|---|---|---|
| 158.0 TH/s | Hashrate | 512.0 TH/s |
| 5,451 W | Power Consumption | 7,424 W |
| 34.5 J/TH | Efficiency | 14.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 15.2 kg | Weight | 27.5 kg |
| 18,599 BTU/hr | BTU Output | 25,331 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S19 Hydro
MicroBT WhatsMiner M73
Based on BTC price of $79,379 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the MicroBT WhatsMiner M73 wins on 2 of 5 factors (efficiency, hashrate). The standout gap is 224% more hashrate (158 vs 512 TH/s) in the MicroBT WhatsMiner M73's favour. The Antminer S19 Hydro claws back ground on power consumption and home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Antminer S19 Hydro and MicroBT WhatsMiner M73 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- MicroBT WhatsMiner M73 224% more hashrate (158 vs 512 TH/s)
- Antminer S19 Hydro 27% better power draw (5,451 vs 7,424 W)
- MicroBT WhatsMiner M73 58% better efficiency (34.5 vs 14.5 J/TH)
- Antminer S19 Hydro 33% better noise (50.0 vs 75.0 dB)
- Antminer S19 Hydro 45% better weight (15.2 vs 27.5 kg)
- MicroBT WhatsMiner M73 36% more heat output (18,599 vs 25,331 BTU/hr)
- Antminer S19 Hydro 47% more home mining score (44.0 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.
| Antminer S19 Hydro | Metric | MicroBT WhatsMiner M73 |
|---|---|---|
| $5,000 | Upfront cost (MSRP) | — |
| -$7.13 | Daily net profit | $1.47 |
| -$7,603 | Net after 1 year | +$536 |
| -$10,205 | Net after 2 years | +$1,072 |
| -$12,808 | Net after 3 years | +$1,609 |
| 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 M73$8.60/day higher profit at current rates.
Best for Home Mining
Antminer S19 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7314.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer S19 Hydro vs MicroBT WhatsMiner M73: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M73 is more profitable at $1.47/day compared to $-7.13/day for the Antminer S19 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S19 Hydro vs MicroBT WhatsMiner M73: which runs at a lower noise level?
The Antminer S19 Hydro is quieter at 50 dB compared to the MicroBT WhatsMiner M73 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S19 Hydro or MicroBT WhatsMiner M73?
The Antminer S19 Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the MicroBT WhatsMiner M73). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer S19 Hydro vs MicroBT WhatsMiner M73: how much does the efficiency gap matter?
The Antminer S19 Hydro runs at 34.5 J/TH while the MicroBT WhatsMiner M73 runs at 14.5 J/TH — a difference of 20.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 58% better efficiency (34.5 vs 14.5 J/TH).