Antminer S19j vs MicroBT WhatsMiner M72
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19j | Specification | MicroBT WhatsMiner M72 |
|---|---|---|
| 90.0 TH/s | Hashrate | 262.0 TH/s |
| 3,100 W | Power Consumption | 3,799 W |
| 34.4 J/TH | Efficiency | 14.5 J/TH |
| 75 dB | Noise Level | 75 dB |
| 13.0 kg | Weight | 25.5 kg |
| 10,577 BTU/hr | BTU Output | 12,962 BTU/hr |
| 84/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S19j
MicroBT WhatsMiner M72
Based on BTC price of $79,066 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the MicroBT WhatsMiner M72, which leads on 2 of 4 weighted factors (efficiency, hashrate). The standout gap is 191% more hashrate (90.0 vs 262.0 TH/s) in the MicroBT WhatsMiner M72's favour. The Antminer S19j claws back ground on power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Antminer S19j and MicroBT WhatsMiner M72 actually differ, with the gap quantified:
- MicroBT WhatsMiner M72 191% more hashrate (90.0 vs 262.0 TH/s)
- Antminer S19j 18% better power draw (3,100 vs 3,799 W)
- MicroBT WhatsMiner M72 58% better efficiency (34.4 vs 14.5 J/TH)
- Antminer S19j 49% better weight (13.0 vs 25.5 kg)
- MicroBT WhatsMiner M72 23% more heat output (10,577 vs 12,962 BTU/hr)
- Antminer S19j 180% more home mining score (84.0 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 S19j | Metric | MicroBT WhatsMiner M72 |
|---|---|---|
| $2,000 | Upfront cost (MSRP) | — |
| -$4.17 | Daily net profit | $0.42 |
| -$3,520 | Net after 1 year | +$152 |
| -$5,041 | Net after 2 years | +$303 |
| -$6,561 | Net after 3 years | +$455 |
| 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 M72$4.58/day higher profit at current rates.
Best for Home Mining
Antminer S19jScore: 84/100. 75 dB noise level.
Best for Efficiency
MicroBT WhatsMiner M7214.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19j or MicroBT WhatsMiner M72 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M72 is more profitable at $0.42/day compared to $-4.17/day for the Antminer S19j. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S19j vs MicroBT WhatsMiner M72: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer S19j or MicroBT WhatsMiner M72?
The Antminer S19j scores 84/100 on our Home Mining Score (vs 30/100 for the MicroBT WhatsMiner M72). 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 S19j and MicroBT WhatsMiner M72 on J/TH?
The Antminer S19j runs at 34.4 J/TH while the MicroBT WhatsMiner M72 runs at 14.5 J/TH — a difference of 19.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 58% better efficiency (34.4 vs 14.5 J/TH).