Antminer S21 vs Canaan AvalonMiner Made A1466
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 | Specification | Canaan AvalonMiner Made A1466 |
|---|---|---|
| 200.0 TH/s | Taux de hachage | 150.0 TH/s |
| 3,500 W | Consommation électrique | 3,230 W |
| 17.5 J/TH | Efficiency | 21.5 J/TH |
| 75 dB | Niveau de bruit | — |
| 14.6 kg | Weight | 13.0 kg |
| 11,942 BTU/hr | BTU Output | 11,021 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Antminer S21
Canaan AvalonMiner Made A1466
Based on BTC price of $78,163 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Antminer S21 edges it: 4 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). The standout gap is 33% more hashrate (200 vs 150 TH/s) in the Antminer S21's favour. The Canaan AvalonMiner Made A1466 holds the edge in consommation électrique and rapport qualité-prix. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Antminer S21 and Canaan AvalonMiner Made A1466 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer S21 33% more hashrate (200 vs 150 TH/s)
- Canaan AvalonMiner Made A1466 8% better power draw (3,500 vs 3,230 W)
- Antminer S21 19% better efficacité (17.5 vs 21.5 J/TH)
- Canaan AvalonMiner Made A1466 11% better weight (14.6 vs 13.0 kg)
- Antminer S21 8% more heat output (11,942 vs 11,021 BTU/hr)
- Antminer S21 64% more score de minage domestique (36.0 vs 22.0)
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.
| Antminer S21 | Metric | Canaan AvalonMiner Made A1466 |
|---|---|---|
| $5,500 | Upfront cost (MSRP) | $937 |
| -$1.21 | Daily net profit | -$2.36 |
| -$5,940 | Net after 1 year | -$1,797 |
| -$6,380 | Net after 2 years | -$2,657 |
| -$6,821 | Net after 3 years | -$3,517 |
| Does not pay back at current rates (negative daily profit) | 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
Antminer S21Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer S2117.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer S21 vs Canaan AvalonMiner Made A1466: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 is more profitable at $-1.21/day compared to $-2.36/day for the Canaan AvalonMiner Made A1466. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S21 or the Canaan AvalonMiner Made A1466 better for noise-sensitive spaces?
The Antminer S21 is quieter at 75 dB compared to the Canaan AvalonMiner Made A1466 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer S21 or the Canaan AvalonMiner Made A1466?
The Antminer S21 scores 36/100 on our Home Mining Score (vs 22/100 for the Canaan AvalonMiner Made A1466). 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 S21 and Canaan AvalonMiner Made A1466 on J/TH?
The Antminer S21 runs at 17.5 J/TH while the Canaan AvalonMiner Made A1466 runs at 21.5 J/TH — a difference of 4.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 19% better efficacité (17.5 vs 21.5 J/TH).