StrongU Hornbill H8 vs MicroBT Whatsminer M21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| StrongU Hornbill H8 | Specification | MicroBT Whatsminer M21 |
|---|---|---|
| 74.0 TH/s | Taux de hachage | 31.0 TH/s |
| 3,330 W | Consommation électrique | 1,860 W |
| 45.0 J/TH | Efficiency | 60.0 J/TH |
| — | Niveau de bruit | — |
| 11,500.0 kg | Weight | 7,150.0 kg |
| 11,362 BTU/hr | BTU Output | 6,346 BTU/hr |
| 22/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| StrongU | Manufacturer | MicroBT |
Profitability Comparison
StrongU Hornbill H8
MicroBT Whatsminer M21
Based on BTC price of $78,223 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le StrongU Hornbill H8 l'emporte sur 2 des 4 facteurs (efficacité, hashrate). The standout gap is 139% more hashrate (74.0 vs 31.0 TH/s) in the StrongU Hornbill H8's favour. The MicroBT Whatsminer M21 holds the edge in consommation électrique and score de minage domestique. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the StrongU Hornbill H8 and MicroBT Whatsminer M21 actually differ, with the gap quantified:
- StrongU Hornbill H8 139% more hashrate (74.0 vs 31.0 TH/s)
- MicroBT Whatsminer M21 44% better power draw (3,330 vs 1,860 W)
- StrongU Hornbill H8 25% better efficacité (45.0 vs 60.0 J/TH)
- MicroBT Whatsminer M21 38% better weight (11,500 vs 7,150 kg)
- StrongU Hornbill H8 79% more heat output (11,362 vs 6,346 BTU/hr)
- MicroBT Whatsminer M21 27% more score de minage domestique (22.0 vs 28.0)
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.
| StrongU Hornbill H8 | Metric | MicroBT Whatsminer M21 |
|---|---|---|
| $1,200 | Upfront cost (MSRP) | — |
| -$5.33 | Daily net profit | -$3.35 |
| -$3,145 | Net after 1 year | -$1,222 |
| -$5,090 | Net after 2 years | -$2,444 |
| -$7,034 | Net after 3 years | -$3,666 |
| 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 M21Score: 28/100. 0 dB noise level.
Best for Efficiency
StrongU Hornbill H845.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
StrongU Hornbill H8 vs MicroBT Whatsminer M21: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the MicroBT Whatsminer M21 is more profitable at $-3.35/day compared to $-5.33/day for the StrongU Hornbill H8. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the StrongU Hornbill H8 or MicroBT Whatsminer M21?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the StrongU Hornbill H8 or MicroBT Whatsminer M21?
The MicroBT Whatsminer M21 scores 28/100 on our Home Mining Score (vs 22/100 for the StrongU Hornbill H8). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
StrongU Hornbill H8 vs MicroBT Whatsminer M21: how much does the efficiency gap matter?
The StrongU Hornbill H8 runs at 45.0 J/TH while the MicroBT Whatsminer M21 runs at 60.0 J/TH — a difference of 15.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 25% better efficacité (45.0 vs 60.0 J/TH).