Bitmain Antminer S19e XP Hydro 251T vs Avalon A1246
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19e XP Hydro 251T | Specification | Avalon A1246 |
|---|---|---|
| 251.0 TH/s | Hashrate | 90.0 TH/s |
| 5,522 W | Power Consumption | 3,420 W |
| 22.0 J/TH | Efficiency | 38.0 J/TH |
| 50 dB | Noise Level | 75 dB |
| 12.8 kg | Weight | 12.3 kg |
| 18,841 BTU/hr | BTU Output | 11,669 BTU/hr |
| 44/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S19e XP Hydro 251T
Avalon A1246
Based on BTC price of $79,151 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S19e XP Hydro 251T comes out ahead — it takes 5 of 6 (efficiency, hashrate, home mining score, noise level, price-performance). Where it pulls away hardest is 179% more hashrate (251.0 vs 90.0 TH/s). That said, the Avalon A1246 isn't beaten everywhere — it still wins power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer S19e XP Hydro 251T and Avalon A1246 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19e XP Hydro 251T 179% more hashrate (251.0 vs 90.0 TH/s)
- Avalon A1246 38% better power draw (5,522 vs 3,420 W)
- Bitmain Antminer S19e XP Hydro 251T 42% better efficiency (22.0 vs 38.0 J/TH)
- Bitmain Antminer S19e XP Hydro 251T 33% better noise (50.0 vs 75.0 dB)
- Avalon A1246 4% better weight (12.8 vs 12.3 kg)
- Bitmain Antminer S19e XP Hydro 251T 61% more heat output (18,841 vs 11,669 BTU/hr)
- Bitmain Antminer S19e XP Hydro 251T 22% more home mining score (44.0 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 S19e XP Hydro 251T | Metric | Avalon A1246 |
|---|---|---|
| $816 | Upfront cost (MSRP) | $1,800 |
| -$3.83 | Daily net profit | -$4.83 |
| -$2,212 | Net after 1 year | -$3,562 |
| -$3,608 | Net after 2 years | -$5,324 |
| -$5,004 | 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
Bitmain Antminer S19e XP Hydro 251TScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S19e XP Hydro 251T22.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19e XP Hydro 251T or Avalon A1246 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19e XP Hydro 251T is more profitable at $-3.83/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 S19e XP Hydro 251T or the Avalon A1246 better for noise-sensitive spaces?
The Bitmain Antminer S19e XP Hydro 251T is quieter at 50 dB compared to the Avalon A1246 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S19e XP Hydro 251T or Avalon A1246?
The Bitmain Antminer S19e XP Hydro 251T scores 44/100 on our Home Mining Score (vs 36/100 for the Avalon A1246). 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 S19e XP Hydro 251T and Avalon A1246?
The Bitmain Antminer S19e XP Hydro 251T runs at 22.0 J/TH while the Avalon A1246 runs at 38.0 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 42% better efficiency (22.0 vs 38.0 J/TH).
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