Bitaxe Ultra vs Bitcoin Space Heater S19 Edition
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitaxe Ultra | Specification | Bitcoin Space Heater S19 Edition |
|---|---|---|
| 500.0 GH/s | Taux de hachage | 80.0 TH/s |
| 15 W | Consommation électrique | 2,400 W |
| 30.0 J/TH | Efficiency | 30.0 J/TH |
| 35 dB | Niveau de bruit | 55 dB |
| 0.3 kg | Weight | 18.0 kg |
| 51 BTU/hr | BTU Output | 8,189 BTU/hr |
| 70/100 | Home Mining Score | 54/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| D-Central | Manufacturer | D-Central |
Profitability Comparison
Bitaxe Ultra
Bitcoin Space Heater S19 Edition
Based on BTC price of $62,527 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitaxe Ultra edges it: 3 of 5 factors go its way (consommation électrique, score de minage domestique, niveau sonore). Its biggest concrete edge: 99% better power draw (15.0 vs 2,400.0 W). That said, the Bitcoin Space Heater S19 Edition isn't beaten everywhere — it still wins hashrate and rapport qualité-prix. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitaxe Ultra and Bitcoin Space Heater S19 Edition sit on each measurable spec:
- Bitcoin Space Heater S19 Edition 15900% more hashrate (0.5 vs 80.0 TH/s)
- Bitaxe Ultra 99% better power draw (15.0 vs 2,400.0 W)
- Bitaxe Ultra 36% better noise (35.0 vs 55.0 dB)
- Bitaxe Ultra 98% better weight (0.3 vs 18.0 kg)
- Bitcoin Space Heater S19 Edition 15894% more heat output (51.2 vs 8,188.8 BTU/hr)
- Bitaxe Ultra 30% more score de minage domestique (70.0 vs 54.0)
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.
| Bitaxe Ultra | Metric | Bitcoin Space Heater S19 Edition |
|---|---|---|
| $79 | Upfront cost (MSRP) | $1,299 |
| -$0.02 | Daily net profit | -$3.50 |
| -$87 | Net after 1 year | -$2,575 |
| -$95 | Net after 2 years | -$3,852 |
| -$103 | Net after 3 years | -$5,128 |
| 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
TieBoth miners have comparable efficiency.
Frequently Asked Questions
Is the Bitaxe Ultra or Bitcoin Space Heater S19 Edition 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 $-3.50/day for the Bitcoin Space Heater S19 Edition. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitaxe Ultra or Bitcoin Space Heater S19 Edition?
The Bitaxe Ultra is quieter at 35 dB compared to the Bitcoin Space Heater S19 Edition at 55 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitaxe Ultra or the Bitcoin Space Heater S19 Edition?
The Bitaxe Ultra scores 70/100 on our Home Mining Score (vs 54/100 for the Bitcoin Space Heater S19 Edition). 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 Bitaxe Ultra and Bitcoin Space Heater S19 Edition?
The Bitaxe Ultra runs at 30.0 J/TH while the Bitcoin Space Heater S19 Edition runs at 30.0 J/TH — a difference of 0.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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