Bitmain Antminer T9 (12.5Th) vs Avalon A1246
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer T9 (12.5Th) | Specification | Avalon A1246 |
|---|---|---|
| 12.5 TH/s | Hashrate | 90.0 TH/s |
| 1,576 W | Power Consumption | 3,420 W |
| 126.1 J/TH | Efficiency | 38.0 J/TH |
| — | Noise Level | 75 dB |
| 3,800.0 kg | Weight | 12.3 kg |
| 5,377 BTU/hr | BTU Output | 11,669 BTU/hr |
| 28/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer T9 (12.5Th)
Avalon A1246
Based on BTC price of $79,151 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Avalon A1246 edges it: 5 of 6 factors go its way (efficiency, hashrate, home mining score, noise level, price-performance). The standout gap is 620% more hashrate (12.5 vs 90.0 TH/s) in the Avalon A1246's favour. The Bitmain Antminer T9 (12.5Th) claws back ground on power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer T9 (12.5Th) and Avalon A1246 sit on each measurable spec:
- Avalon A1246 620% more hashrate (12.5 vs 90.0 TH/s)
- Bitmain Antminer T9 (12.5Th) 54% better power draw (1,576 vs 3,420 W)
- Avalon A1246 70% better efficiency (126.1 vs 38.0 J/TH)
- Avalon A1246 100% better weight (3,800.0 vs 12.3 kg)
- Avalon A1246 117% more heat output (5,377 vs 11,669 BTU/hr)
- Avalon A1246 29% more home mining score (28.0 vs 36.0)
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.
| Bitmain Antminer T9 (12.5Th) | Metric | Avalon A1246 |
|---|---|---|
| $1,100 | Upfront cost (MSRP) | $1,800 |
| -$3.31 | Daily net profit | -$4.83 |
| -$2,309 | Net after 1 year | -$3,562 |
| -$3,518 | Net after 2 years | -$5,324 |
| -$4,728 | Net after 3 years | -$7,086 |
| 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 A1246Score: 36/100. 75 dB noise level.
Best for Efficiency
Avalon A124638.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer T9 (12.5Th) or Avalon A1246 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer T9 (12.5Th) is more profitable at $-3.31/day compared to $-4.83/day for the Avalon A1246. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer T9 (12.5Th) or the Avalon A1246 better for noise-sensitive spaces?
The Avalon A1246 is quieter at 75 dB compared to the Bitmain Antminer T9 (12.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer T9 (12.5Th) or the Avalon A1246?
The Avalon A1246 scores 36/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer T9 (12.5Th)). 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 T9 (12.5Th) and Avalon A1246?
The Bitmain Antminer T9 (12.5Th) runs at 126.1 J/TH while the Avalon A1246 runs at 38.0 J/TH — a difference of 88.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 70% better efficiency (126.1 vs 38.0 J/TH).