Bitmain Antminer T19 Hydro vs Avalon A1566
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer T19 Hydro | Specification | Avalon A1566 |
|---|---|---|
| 158.0 TH/s | Hashrate | 185.0 TH/s |
| 5,451 W | Power Consumption | 3,420 W |
| 34.5 J/TH | Efficiency | 18.5 J/TH |
| 40 dB | Noise Level | 75 dB |
| 15.8 kg | Weight | 14.9 kg |
| 18,599 BTU/hr | BTU Output | 11,669 BTU/hr |
| 51/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer T19 Hydro
Avalon A1566
Based on BTC price of $76,967 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Avalon A1566 wins on 3 of 5 factors (efficiency, hashrate, power consumption). Where it pulls away hardest is 46% better efficiency (34.5 vs 18.5 J/TH). That said, the Bitmain Antminer T19 Hydro isn't beaten everywhere — it still wins home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer T19 Hydro and Avalon A1566 sit on each measurable spec:
- Avalon A1566 17% more hashrate (158 vs 185 TH/s)
- Avalon A1566 37% better power draw (5,451 vs 3,420 W)
- Avalon A1566 46% better efficiency (34.5 vs 18.5 J/TH)
- Bitmain Antminer T19 Hydro 47% better noise (40.0 vs 75.0 dB)
- Avalon A1566 6% better weight (15.8 vs 14.9 kg)
- Bitmain Antminer T19 Hydro 59% more heat output (18,599 vs 11,669 BTU/hr)
- Bitmain Antminer T19 Hydro 42% more home mining score (51.0 vs 36.0)
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.
| Bitmain Antminer T19 Hydro | Metric | Avalon A1566 |
|---|---|---|
| — | Upfront cost (MSRP) | $5,500 |
| -$7.49 | Daily net profit | -$1.66 |
| -$2,732 | Net after 1 year | -$6,104 |
| -$5,465 | Net after 2 years | -$6,709 |
| -$8,197 | Net after 3 years | -$7,313 |
| — | 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
Bitmain Antminer T19 HydroScore: 51/100. 40 dB noise level.
Best for Efficiency
Avalon A156618.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer T19 Hydro or Avalon A1566 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Avalon A1566 is more profitable at $-1.66/day compared to $-7.49/day for the Bitmain Antminer T19 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer T19 Hydro or the Avalon A1566 better for noise-sensitive spaces?
The Bitmain Antminer T19 Hydro is quieter at 40 dB compared to the Avalon A1566 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer T19 Hydro vs Avalon A1566: which fits a residential setup better?
The Bitmain Antminer T19 Hydro scores 51/100 on our Home Mining Score (vs 36/100 for the Avalon A1566). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Bitmain Antminer T19 Hydro and Avalon A1566?
The Bitmain Antminer T19 Hydro runs at 34.5 J/TH while the Avalon A1566 runs at 18.5 J/TH — a difference of 16.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 46% better efficiency (34.5 vs 18.5 J/TH).