Bitmain Antminer T19 (88Th) vs Bitdeer SealMiner A3 Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer T19 (88Th) | Specification | Bitdeer SealMiner A3 Air |
|---|---|---|
| 88.0 TH/s | Taux de hachage | 260.0 TH/s |
| 3,344 W | Consommation électrique | 3,640 W |
| 38.0 J/TH | Efficiency | 14.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 14,200.0 kg | Weight | 15.5 kg |
| 11,410 BTU/hr | BTU Output | 12,420 BTU/hr |
| 22/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Bitmain Antminer T19 (88Th)
Bitdeer SealMiner A3 Air
Based on BTC price of $78,179 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitdeer SealMiner A3 Air comes out ahead — it takes 4 of 6 (efficacité, hashrate, score de minage domestique, niveau sonore). The standout gap is 195% more hashrate (88.0 vs 260.0 TH/s) in the Bitdeer SealMiner A3 Air's favour. The Bitmain Antminer T19 (88Th) claws back ground on consommation électrique and rapport qualité-prix. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Bitmain Antminer T19 (88Th) and Bitdeer SealMiner A3 Air diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitdeer SealMiner A3 Air 195% more hashrate (88.0 vs 260.0 TH/s)
- Bitmain Antminer T19 (88Th) 8% better power draw (3,344 vs 3,640 W)
- Bitdeer SealMiner A3 Air 63% better efficacité (38.0 vs 14.0 J/TH)
- Bitdeer SealMiner A3 Air 100% better weight (14,200.0 vs 15.5 kg)
- Bitdeer SealMiner A3 Air 9% more heat output (11,410 vs 12,420 BTU/hr)
- Bitdeer SealMiner A3 Air 36% more score de minage domestique (22.0 vs 30.0)
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.
| Bitmain Antminer T19 (88Th) | Metric | Bitdeer SealMiner A3 Air |
|---|---|---|
| $596 | Upfront cost (MSRP) | $3,900 |
| -$4.86 | Daily net profit | $0.62 |
| -$2,370 | Net after 1 year | -$3,674 |
| -$4,144 | Net after 2 years | -$3,449 |
| -$5,917 | Net after 3 years | -$3,223 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~17.3 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 Air$5.48/day higher profit at current rates.
Best for Home Mining
Bitdeer SealMiner A3 AirScore: 30/100. 75 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Air14.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer T19 (88Th) vs Bitdeer SealMiner A3 Air: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Air is more profitable at $0.62/day compared to $-4.86/day for the Bitmain Antminer T19 (88Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer T19 (88Th) or Bitdeer SealMiner A3 Air?
The Bitdeer SealMiner A3 Air is quieter at 75 dB compared to the Bitmain Antminer T19 (88Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer T19 (88Th) or Bitdeer SealMiner A3 Air?
The Bitdeer SealMiner A3 Air scores 30/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer T19 (88Th)). 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 Bitmain Antminer T19 (88Th) and Bitdeer SealMiner A3 Air?
The Bitmain Antminer T19 (88Th) runs at 38.0 J/TH while the Bitdeer SealMiner A3 Air runs at 14.0 J/TH — a difference of 24.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 63% better efficacité (38.0 vs 14.0 J/TH).
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