NerdQAxe++ vs Bitdeer SealMiner A3 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| NerdQAxe++ | Specification | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| 4.0 TH/s | Hashrate | 290.0 TH/s |
| 120 W | Power Consumption | 3,625 W |
| 30.0 J/TH | Efficiency | 12.5 J/TH |
| 42 dB | Noise Level | 75 dB |
| 0.5 kg | Weight | 15.5 kg |
| 409 BTU/hr | BTU Output | 12,369 BTU/hr |
| 58/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| D-Central | Manufacturer | Bitdeer |
Profitability Comparison
NerdQAxe++
Bitdeer SealMiner A3 Pro Air
Based on BTC price of $79,143 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitdeer SealMiner A3 Pro Air wins on 3 of 6 factors (efficiency, hashrate, price-performance). Its biggest concrete edge: 7150% more hashrate (4.0 vs 290.0 TH/s). That said, the NerdQAxe++ isn't beaten everywhere — it still wins power consumption and home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the NerdQAxe++ and Bitdeer SealMiner A3 Pro Air sit on each measurable spec:
- Bitdeer SealMiner A3 Pro Air 7150% more hashrate (4.0 vs 290.0 TH/s)
- NerdQAxe++ 97% better power draw (120 vs 3,625 W)
- Bitdeer SealMiner A3 Pro Air 58% better efficiency (30.0 vs 12.5 J/TH)
- NerdQAxe++ 44% better noise (42.0 vs 75.0 dB)
- NerdQAxe++ 97% better weight (0.5 vs 15.5 kg)
- Bitdeer SealMiner A3 Pro Air 2921% more heat output (409 vs 12,369 BTU/hr)
- NerdQAxe++ 93% more home mining score (58.0 vs 30.0)
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.
| NerdQAxe++ | Metric | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| $349 | Upfront cost (MSRP) | $4,895 |
| -$0.14 | Daily net profit | $1.86 |
| -$401 | Net after 1 year | -$4,215 |
| -$453 | Net after 2 years | -$3,536 |
| -$505 | Net after 3 years | -$2,856 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~7.2 years to pay back at current rates |
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
Bitdeer SealMiner A3 Pro Air$2.00/day higher profit at current rates.
Best for Home Mining
NerdQAxe++Score: 58/100. 42 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Pro Air12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the NerdQAxe++ or Bitdeer SealMiner A3 Pro Air more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Air is more profitable at $1.86/day compared to $-0.14/day for the NerdQAxe++. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
NerdQAxe++ vs Bitdeer SealMiner A3 Pro Air: which runs at a lower noise level?
The NerdQAxe++ is quieter at 42 dB compared to the Bitdeer SealMiner A3 Pro Air at 75 dB. For home mining, lower noise levels make a significant difference in livability.
NerdQAxe++ vs Bitdeer SealMiner A3 Pro Air: which fits a residential setup better?
The NerdQAxe++ scores 58/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A3 Pro Air). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the NerdQAxe++ and Bitdeer SealMiner A3 Pro Air on J/TH?
The NerdQAxe++ runs at 30.0 J/TH while the Bitdeer SealMiner A3 Pro Air runs at 12.5 J/TH — a difference of 17.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 58% better efficiency (30.0 vs 12.5 J/TH).
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