MicroBT Whatsminer D1 vs MicroBT Whatsminer M66
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| MicroBT Whatsminer D1 | Specification | MicroBT Whatsminer M66 |
|---|---|---|
| 48.0 TH/s | Hashrate | 238.0 TH/s |
| 2,200 W | Power Consumption | 4,736 W |
| 45.8 J/TH | Efficiency | 19.9 J/TH |
| — | Noise Level | — |
| 8,500.0 kg | Weight | 16.0 kg |
| 7,506 BTU/hr | BTU Output | 16,159 BTU/hr |
| 26/100 | Home Mining Score | 16/100 |
| — | Release Year | — |
| Blake256r14 | Algorithm | SHA-256 |
| MicroBT | Manufacturer | MicroBT |
Profitability Comparison
MicroBT Whatsminer D1
MicroBT Whatsminer M66
Based on BTC price of $78,726 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the MicroBT Whatsminer M66 edges it: 2 of 4 factors go its way (efficiency, hashrate). Its biggest concrete edge: 396% more hashrate (48.0 vs 238.0 TH/s). The MicroBT Whatsminer D1 claws back ground on power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The MicroBT Whatsminer D1 and MicroBT Whatsminer M66 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- MicroBT Whatsminer M66 396% more hashrate (48.0 vs 238.0 TH/s)
- MicroBT Whatsminer D1 54% better power draw (2,200 vs 4,736 W)
- MicroBT Whatsminer M66 57% better efficiency (45.8 vs 19.9 J/TH)
- MicroBT Whatsminer M66 100% better weight (8,500.0 vs 16.0 kg)
- MicroBT Whatsminer M66 115% more heat output (7,506 vs 16,159 BTU/hr)
- MicroBT Whatsminer D1 63% more home mining score (26.0 vs 16.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| MicroBT Whatsminer D1 | Metric | MicroBT Whatsminer M66 |
|---|---|---|
| — | Upfront cost (MSRP) | $3,672 |
| -$3.49 | Daily net profit | -$2.47 |
| -$1,273 | Net after 1 year | -$4,575 |
| -$2,545 | Net after 2 years | -$5,479 |
| -$3,818 | Net after 3 years | -$6,382 |
| — | Payback period | Does not pay back at current rates (negative daily profit) |
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 D1Score: 26/100. 0 dB noise level.
Best for Efficiency
MicroBT Whatsminer M6619.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
MicroBT Whatsminer D1 vs MicroBT Whatsminer M66: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M66 is more profitable at $-2.47/day compared to $-3.49/day for the MicroBT Whatsminer D1. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the MicroBT Whatsminer D1 or MicroBT Whatsminer M66?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the MicroBT Whatsminer D1 or MicroBT Whatsminer M66?
The MicroBT Whatsminer D1 scores 26/100 on our Home Mining Score (vs 16/100 for the MicroBT Whatsminer M66). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the MicroBT Whatsminer D1 and MicroBT Whatsminer M66 on J/TH?
The MicroBT Whatsminer D1 runs at 45.8 J/TH while the MicroBT Whatsminer M66 runs at 19.9 J/TH — a difference of 25.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 57% better efficiency (45.8 vs 19.9 J/TH).