Avalon A1466 vs Bitmain T21 (190TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1466 | Specification | Bitmain T21 (190TH) |
|---|---|---|
| 150.0 TH/s | Taux de hachage | 190.0 TH/s |
| 3,230 W | Consommation électrique | 3,610 W |
| 21.5 J/TH | Efficiency | 19.0 J/TH |
| 75 dB | Niveau de bruit | 76 dB |
| 12.8 kg | Weight | 16.4 kg |
| 11,021 BTU/hr | BTU Output | 12,317 BTU/hr |
| 36/100 | Home Mining Score | 23/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Canaan | Manufacturer | Bitmain |
Profitability Comparison
Avalon A1466
Bitmain T21 (190TH)
Based on BTC price of $63,093 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain T21 (190TH) edges it: 3 of 6 factors go its way (efficacité, hashrate, rapport qualité-prix). Where it pulls away hardest is 27% more hashrate (150 vs 190 TH/s). The Avalon A1466 claws back ground on consommation électrique and score de minage domestique and niveau sonore. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Avalon A1466 and Bitmain T21 (190TH) actually differ, with the gap quantified:
- Bitmain T21 (190TH) 27% more hashrate (150 vs 190 TH/s)
- Avalon A1466 11% better power draw (3,230 vs 3,610 W)
- Bitmain T21 (190TH) 12% better efficacité (21.5 vs 19.0 J/TH)
- Avalon A1466 1% better noise (75.0 vs 76.0 dB)
- Avalon A1466 22% better weight (12.8 vs 16.4 kg)
- Bitmain T21 (190TH) 12% more heat output (11,021 vs 12,317 BTU/hr)
- Avalon A1466 57% more score de minage domestique (36.0 vs 23.0)
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.
| Avalon A1466 | Metric | Bitmain T21 (190TH) |
|---|---|---|
| $4,200 | Upfront cost (MSRP) | $1,700 |
| -$3.47 | Daily net profit | -$3.24 |
| -$5,467 | Net after 1 year | -$2,883 |
| -$6,733 | Net after 2 years | -$4,066 |
| -$8,000 | Net after 3 years | -$5,249 |
| 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
Avalon A1466Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain T21 (190TH)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Avalon A1466 or the Bitmain T21 (190TH)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain T21 (190TH) is more profitable at $-3.24/day compared to $-3.47/day for the Avalon A1466. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Avalon A1466 vs Bitmain T21 (190TH): which runs at a lower noise level?
The Avalon A1466 is quieter at 75 dB compared to the Bitmain T21 (190TH) at 76 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Avalon A1466 or the Bitmain T21 (190TH)?
The Avalon A1466 scores 36/100 on our Home Mining Score (vs 23/100 for the Bitmain T21 (190TH)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Avalon A1466 and Bitmain T21 (190TH) on J/TH?
The Avalon A1466 runs at 21.5 J/TH while the Bitmain T21 (190TH) runs at 19.0 J/TH — a difference of 2.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 12% better efficacité (21.5 vs 19.0 J/TH).