Bitmain Antminer S19j Pro (104Th) vs Avalon A1446
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19j Pro (104Th) | Specification | Avalon A1446 |
|---|---|---|
| 104.0 TH/s | Hashrate | 135.0 TH/s |
| 3,068 W | Power Consumption | 3,310 W |
| 29.5 J/TH | Efficiency | 24.5 J/TH |
| — | Noise Level | 75 dB |
| 13,200.0 kg | Weight | 12.8 kg |
| 10,468 BTU/hr | BTU Output | 11,294 BTU/hr |
| 22/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S19j Pro (104Th)
Avalon A1446
Based on BTC price of $79,051 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Avalon A1446, which leads on 4 of 6 weighted factors (efficiency, hashrate, home mining score, noise level). The standout gap is 30% more hashrate (104 vs 135 TH/s) in the Avalon A1446's favour. The Bitmain Antminer S19j Pro (104Th) claws back ground on power consumption and price-performance. 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 S19j Pro (104Th) and Avalon A1446 sit on each measurable spec:
- Avalon A1446 30% more hashrate (104 vs 135 TH/s)
- Bitmain Antminer S19j Pro (104Th) 7% better power draw (3,068 vs 3,310 W)
- Avalon A1446 17% better efficiency (29.5 vs 24.5 J/TH)
- Avalon A1446 100% better weight (13,200.0 vs 12.8 kg)
- Avalon A1446 8% more heat output (10,468 vs 11,294 BTU/hr)
- Avalon A1446 64% more home mining score (22.0 vs 36.0)
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.
| Bitmain Antminer S19j Pro (104Th) | Metric | Avalon A1446 |
|---|---|---|
| $398 | Upfront cost (MSRP) | $3,200 |
| -$3.58 | Daily net profit | -$3.03 |
| -$1,705 | Net after 1 year | -$4,307 |
| -$3,011 | Net after 2 years | -$5,414 |
| -$4,318 | Net after 3 years | -$6,521 |
| 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 A1446Score: 36/100. 75 dB noise level.
Best for Efficiency
Avalon A144624.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S19j Pro (104Th) vs Avalon A1446: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Avalon A1446 is more profitable at $-3.03/day compared to $-3.58/day for the Bitmain Antminer S19j Pro (104Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S19j Pro (104Th) vs Avalon A1446: which runs at a lower noise level?
The Avalon A1446 is quieter at 75 dB compared to the Bitmain Antminer S19j Pro (104Th) 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 S19j Pro (104Th) or the Avalon A1446?
The Avalon A1446 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j Pro (104Th)). 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 S19j Pro (104Th) and Avalon A1446?
The Bitmain Antminer S19j Pro (104Th) runs at 29.5 J/TH while the Avalon A1446 runs at 24.5 J/TH — a difference of 5.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 17% better efficiency (29.5 vs 24.5 J/TH).