Antminer S19 Hydro vs Bitaxe Ultra
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 Hydro | Specification | Bitaxe Ultra |
|---|---|---|
| 158.0 TH/s | Taux de hachage | 500.0 GH/s |
| 5,451 W | Consommation électrique | 15 W |
| 34.5 J/TH | Efficiency | 30.0 J/TH |
| 50 dB | Niveau de bruit | 35 dB |
| 15.2 kg | Weight | 0.3 kg |
| 18,599 BTU/hr | BTU Output | 51 BTU/hr |
| 44/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Antminer S19 Hydro
Bitaxe Ultra
Based on BTC price of $76,922 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitaxe Ultra, which leads on 4 of 6 weighted factors (efficacité, consommation électrique, score de minage domestique, niveau sonore). Where it pulls away hardest is 100% better power draw (5,451.0 vs 15.0 W). The Antminer S19 Hydro claws back ground on hashrate and rapport qualité-prix. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer S19 Hydro and Bitaxe Ultra actually differ, with the gap quantified:
- Antminer S19 Hydro 31500% more hashrate (158.0 vs 0.5 TH/s)
- Bitaxe Ultra 100% better power draw (5,451.0 vs 15.0 W)
- Bitaxe Ultra 13% better efficacité (34.5 vs 30.0 J/TH)
- Bitaxe Ultra 30% better noise (50.0 vs 35.0 dB)
- Bitaxe Ultra 98% better weight (15.2 vs 0.3 kg)
- Antminer S19 Hydro 36226% more heat output (18,598.8 vs 51.2 BTU/hr)
- Bitaxe Ultra 59% more score de minage domestique (44.0 vs 70.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Antminer S19 Hydro | Metric | Bitaxe Ultra |
|---|---|---|
| $5,000 | Upfront cost (MSRP) | $79 |
| -$7.49 | Daily net profit | -$0.02 |
| -$7,734 | Net after 1 year | -$86 |
| -$10,467 | Net after 2 years | -$92 |
| -$13,201 | 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
Bitaxe Ultra30.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S19 Hydro or the Bitaxe Ultra?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Ultra is more profitable at $-0.02/day compared to $-7.49/day for the Antminer S19 Hydro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S19 Hydro or Bitaxe Ultra?
The Bitaxe Ultra is quieter at 35 dB compared to the Antminer S19 Hydro at 50 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer S19 Hydro vs Bitaxe Ultra: which fits a residential setup better?
The Bitaxe Ultra scores 70/100 on our Home Mining Score (vs 44/100 for the Antminer S19 Hydro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer S19 Hydro and Bitaxe Ultra on J/TH?
The Antminer S19 Hydro runs at 34.5 J/TH while the Bitaxe Ultra runs at 30.0 J/TH — a difference of 4.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 13% better efficacité (34.5 vs 30.0 J/TH).