Option 1
SealMiner A2 Hydro (446TH/s)
Option 2
H28 (28TH/s)
SealMiner A2 Hydro (446TH/s) leads this comparison
SealMiner A2 Hydro (446TH/s) comes out ahead on more buyer-facing signals here. H28 (28TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.
Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | SealMiner A2 Hydro (446TH/s) | H28 (28TH/s) | Advantage |
|---|---|---|---|
| Brand | Sealminer | Holic | Contextual |
| Model | A2 | H | Contextual |
| Hashrate | 446 TH/s Best | 28 TH/s | SealMiner A2 Hydro (446TH/s) |
| Power Consumption | 7360W | 2100W Best | H28 (28TH/s) |
| Efficiency | 16.50 J/TH Best | 75.00 J/TH | SealMiner A2 Hydro (446TH/s) |
| Daily energy use | 176.6 kWh | 50.4 kWh Best | H28 (28TH/s) |
| Net Daily Profit (Est.) | $1.84 Best | -$2.24 | SealMiner A2 Hydro (446TH/s) |
| Monthly Profit (Est.) | $55.25 Best | -$67.32 | SealMiner A2 Hydro (446TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | HYDRO | AIR | Contextual |
| Dimensions | N/A | 175 x 420 x 189 mm | Contextual |
| Weight | 60000 g | N/A | Contextual |
Performance
SealMiner A2 Hydro (446TH/s) has the hashrate edge for raw output potential.
Efficiency
SealMiner A2 Hydro (446TH/s) is stronger when comparing joules per hash unit.
Buying decision
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Frequently asked questions
Which is more powerful: SealMiner A2 Hydro (446TH/s) or H28 (28TH/s)?
SealMiner A2 Hydro (446TH/s) has a higher hashrate of 446 TH/s compared to H28 (28TH/s)'s 28 TH/s.
Is SealMiner A2 Hydro (446TH/s) more efficient than H28 (28TH/s)?
Yes, SealMiner A2 Hydro (446TH/s) is more energy efficient at 16.50 J/TH.
Which miner has the better estimated ROI?
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Every Day You Wait is Revenue You Lose
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