Bitmain Antminer T9+ (10.5Th) vs Bitdeer SealMiner A2 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer T9+ (10.5Th) | Specification | Bitdeer SealMiner A2 Pro Air |
|---|---|---|
| 10.5 TH/s | Taux de hachage | 255.0 TH/s |
| 1,432 W | Consommation électrique | 3,790 W |
| 136.4 J/TH | Efficiency | 14.9 J/TH |
| — | Niveau de bruit | 75 dB |
| 4,200.0 kg | Weight | 15.5 kg |
| 4,886 BTU/hr | BTU Output | 12,932 BTU/hr |
| 31/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Bitmain Antminer T9+ (10.5Th)
Bitdeer SealMiner A2 Pro Air
Based on BTC price of $78,235 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitdeer SealMiner A2 Pro Air comes out ahead — it takes 4 of 6 (efficacité, hashrate, niveau sonore, rapport qualité-prix). Its biggest concrete edge: 2329% more hashrate (10.5 vs 255.0 TH/s). That said, the Bitmain Antminer T9+ (10.5Th) isn't beaten everywhere — it still wins consommation électrique and score de minage domestique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer T9+ (10.5Th) and Bitdeer SealMiner A2 Pro Air sit on each measurable spec:
- Bitdeer SealMiner A2 Pro Air 2329% more hashrate (10.5 vs 255.0 TH/s)
- Bitmain Antminer T9+ (10.5Th) 62% better power draw (1,432 vs 3,790 W)
- Bitdeer SealMiner A2 Pro Air 89% better efficacité (136.4 vs 14.9 J/TH)
- Bitdeer SealMiner A2 Pro Air 100% better weight (4,200.0 vs 15.5 kg)
- Bitdeer SealMiner A2 Pro Air 165% more heat output (4,886 vs 12,932 BTU/hr)
- Bitmain Antminer T9+ (10.5Th) 3% more score de minage domestique (31.0 vs 30.0)
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 T9+ (10.5Th) | Metric | Bitdeer SealMiner A2 Pro Air |
|---|---|---|
| $955 | Upfront cost (MSRP) | $4,000 |
| -$3.06 | Daily net profit | $0.08 |
| -$2,071 | Net after 1 year | -$3,969 |
| -$3,188 | Net after 2 years | -$3,938 |
| -$4,304 | Net after 3 years | -$3,907 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~129.5 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 A2 Pro Air$3.14/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer T9+ (10.5Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitdeer SealMiner A2 Pro Air14.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer T9+ (10.5Th) or the Bitdeer SealMiner A2 Pro Air?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 Pro Air is more profitable at $0.08/day compared to $-3.06/day for the Bitmain Antminer T9+ (10.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer T9+ (10.5Th) vs Bitdeer SealMiner A2 Pro Air: which runs at a lower noise level?
The Bitdeer SealMiner A2 Pro Air is quieter at 75 dB compared to the Bitmain Antminer T9+ (10.5Th) 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 T9+ (10.5Th) or the Bitdeer SealMiner A2 Pro Air?
The Bitmain Antminer T9+ (10.5Th) scores 31/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A2 Pro Air). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer T9+ (10.5Th) vs Bitdeer SealMiner A2 Pro Air: how much does the efficiency gap matter?
The Bitmain Antminer T9+ (10.5Th) runs at 136.4 J/TH while the Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH — a difference of 121.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 89% better efficacité (136.4 vs 14.9 J/TH).
Compare Bitmain Antminer T9+ (10.5Th) with...
Compare Bitdeer SealMiner A2 Pro Air with...
- Bitdeer SealMiner A2 Pro Air vs Bitdeer SealMiner A2
- Bitdeer SealMiner A2 Pro Air vs Bitdeer SealMiner A2 Hyd
- Bitdeer SealMiner A2 Pro Air vs Bitdeer SealMiner A2 Pro Hyd
- Bitdeer SealMiner A2 Pro Air vs Bitdeer SealMiner A3 Air
- Bitdeer SealMiner A2 Pro Air vs Bitdeer SealMiner A3 Hydro
- Bitdeer SealMiner A2 Pro Air vs Bitdeer SealMiner A3 Pro Air