Bitmain Antminer S19 XP Hyd (257Th) vs Bitaxe Ultra
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 XP Hyd (257Th) | Specification | Bitaxe Ultra |
|---|---|---|
| 257.0 TH/s | Hashrate | 500.0 GH/s |
| 5,346 W | Power Consumption | 15 W |
| 20.8 J/TH | Efficiency | 30.0 J/TH |
| — | Noise Level | 35 dB |
| — | Weight | 0.3 kg |
| 18,241 BTU/hr | BTU Output | 51 BTU/hr |
| 16/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S19 XP Hyd (257Th)
Bitaxe Ultra
Based on BTC price of $79,022 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S19 XP Hyd (257Th) wins on 3 of 6 factors (efficiency, hashrate, price-performance). Where it pulls away hardest is 51300% more hashrate (257.0 vs 0.5 TH/s). The Bitaxe Ultra claws back ground on power consumption and 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
The Bitmain Antminer S19 XP Hyd (257Th) and Bitaxe Ultra diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19 XP Hyd (257Th) 51300% more hashrate (257.0 vs 0.5 TH/s)
- Bitaxe Ultra 100% better power draw (5,346.0 vs 15.0 W)
- Bitmain Antminer S19 XP Hyd (257Th) 31% better efficiency (20.8 vs 30.0 J/TH)
- Bitmain Antminer S19 XP Hyd (257Th) 35526% more heat output (18,240.6 vs 51.2 BTU/hr)
- Bitaxe Ultra 338% more home mining score (16.0 vs 70.0)
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 S19 XP Hyd (257Th) | Metric | Bitaxe Ultra |
|---|---|---|
| $1,059 | Upfront cost (MSRP) | $79 |
| -$3.48 | Daily net profit | -$0.02 |
| -$2,331 | Net after 1 year | -$86 |
| -$3,603 | Net after 2 years | -$92 |
| -$4,875 | Net after 3 years | -$99 |
| 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
Bitaxe UltraScore: 70/100. 35 dB noise level.
Best for Efficiency
Bitmain Antminer S19 XP Hyd (257Th)20.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19 XP Hyd (257Th) or Bitaxe Ultra more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Ultra is more profitable at $-0.02/day compared to $-3.48/day for the Bitmain Antminer S19 XP Hyd (257Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S19 XP Hyd (257Th) vs Bitaxe Ultra: which runs at a lower noise level?
The Bitaxe Ultra is quieter at 35 dB compared to the Bitmain Antminer S19 XP Hyd (257Th) 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 S19 XP Hyd (257Th) or the Bitaxe Ultra?
The Bitaxe Ultra scores 70/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S19 XP Hyd (257Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S19 XP Hyd (257Th) and Bitaxe Ultra on J/TH?
The Bitmain Antminer S19 XP Hyd (257Th) runs at 20.8 J/TH while the Bitaxe Ultra runs at 30.0 J/TH — a difference of 9.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 31% better efficiency (20.8 vs 30.0 J/TH).
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