Avalon A1366 vs Bitmain Bitcoin Miner S19j XP
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Avalon A1366 | Specification | Bitmain Bitcoin Miner S19j XP |
|---|---|---|
| 130.0 TH/s | Hashrate | 151.0 TH/s |
| 3,250 W | Power Consumption | 3,247 W |
| 25.0 J/TH | Efficiency | 21.5 J/TH |
| 75 dB | Noise Level | — |
| 12.6 kg | Weight | — |
| 11,089 BTU/hr | BTU Output | 11,079 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Canaan | Manufacturer | Bitmain |
Profitability Comparison
Avalon A1366
Bitmain Bitcoin Miner S19j XP
Based on BTC price of $79,206 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Bitcoin Miner S19j XP edges it: 4 of 6 factors go its way (efficiency, hashrate, power consumption, price-performance). Where it pulls away hardest is 14% better efficiency (25.0 vs 21.5 J/TH). The Avalon A1366 claws back ground on 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 Avalon A1366 and Bitmain Bitcoin Miner S19j XP sit on each measurable spec:
- Bitmain Bitcoin Miner S19j XP 16% more hashrate (130 vs 151 TH/s)
- Bitmain Bitcoin Miner S19j XP 14% better efficiency (25.0 vs 21.5 J/TH)
- Avalon A1366 64% more home mining score (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.
| Avalon A1366 | Metric | Bitmain Bitcoin Miner S19j XP |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $999 |
| -$3.06 | Daily net profit | -$2.29 |
| -$4,617 | Net after 1 year | -$1,834 |
| -$5,735 | Net after 2 years | -$2,670 |
| -$6,852 | Net after 3 years | -$3,505 |
| 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 A1366Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Bitcoin Miner S19j XP21.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Avalon A1366 or the Bitmain Bitcoin Miner S19j XP?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Bitcoin Miner S19j XP is more profitable at $-2.29/day compared to $-3.06/day for the Avalon A1366. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Avalon A1366 vs Bitmain Bitcoin Miner S19j XP: which runs at a lower noise level?
The Avalon A1366 is quieter at 75 dB compared to the Bitmain Bitcoin Miner S19j XP at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Avalon A1366 or Bitmain Bitcoin Miner S19j XP?
The Avalon A1366 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Bitcoin Miner S19j XP). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Avalon A1366 vs Bitmain Bitcoin Miner S19j XP: how much does the efficiency gap matter?
The Avalon A1366 runs at 25.0 J/TH while the Bitmain Bitcoin Miner S19j XP runs at 21.5 J/TH — a difference of 3.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 14% better efficiency (25.0 vs 21.5 J/TH).