Canaan AvalonMiner 921 vs Whatsminer M63
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Canaan AvalonMiner 921 | Specification | Whatsminer M63 |
|---|---|---|
| 20.0 TH/s | Taux de hachage | 360.0 TH/s |
| 1,700 W | Consommation électrique | 7,200 W |
| 85.0 J/TH | Efficiency | 20.0 J/TH |
| — | Niveau de bruit | 50 dB |
| — | Weight | 27.5 kg |
| 5,800 BTU/hr | BTU Output | 24,566 BTU/hr |
| 28/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Canaan | Manufacturer | MicroBT |
Profitability Comparison
Canaan AvalonMiner 921
Whatsminer M63
Based on BTC price of $78,190 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Whatsminer M63 edges it: 4 of 5 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 1700% more hashrate (20.0 vs 360.0 TH/s). That said, the Canaan AvalonMiner 921 isn't beaten everywhere — it still wins consommation électrique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Canaan AvalonMiner 921 and Whatsminer M63 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Whatsminer M63 1700% more hashrate (20.0 vs 360.0 TH/s)
- Canaan AvalonMiner 921 76% better power draw (1,700 vs 7,200 W)
- Whatsminer M63 76% better efficacité (85.0 vs 20.0 J/TH)
- Whatsminer M63 324% more heat output (5,800 vs 24,566 BTU/hr)
- Whatsminer M63 57% more score de minage domestique (28.0 vs 44.0)
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.
| Canaan AvalonMiner 921 | Metric | Whatsminer M63 |
|---|---|---|
| — | Upfront cost (MSRP) | $11,000 |
| -$3.36 | Daily net profit | -$4.33 |
| -$1,227 | Net after 1 year | -$12,579 |
| -$2,453 | Net after 2 years | -$14,158 |
| -$3,680 | Net after 3 years | -$15,738 |
| — | 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
Whatsminer M63Score: 44/100. 50 dB noise level.
Best for Efficiency
Whatsminer M6320.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Canaan AvalonMiner 921 vs Whatsminer M63: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan AvalonMiner 921 is more profitable at $-3.36/day compared to $-4.33/day for the Whatsminer M63. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Canaan AvalonMiner 921 or the Whatsminer M63 better for noise-sensitive spaces?
The Whatsminer M63 is quieter at 50 dB compared to the Canaan AvalonMiner 921 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Canaan AvalonMiner 921 or Whatsminer M63?
The Whatsminer M63 scores 44/100 on our Home Mining Score (vs 28/100 for the Canaan AvalonMiner 921). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Canaan AvalonMiner 921 and Whatsminer M63 on J/TH?
The Canaan AvalonMiner 921 runs at 85.0 J/TH while the Whatsminer M63 runs at 20.0 J/TH — a difference of 65.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 76% better efficacité (85.0 vs 20.0 J/TH).