ASIC miner comparison

Antminer Z15 (420KH/s) vs SealMiner A2 Pro Air (255MH/s)

Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.

Antminer Z15 (420KH/s)
VS
SealMiner A2 Pro Air (255MH/s)
Higher hashrate
SealMiner A2 Pro Air
Better efficiency
N/A
Estimated net daily
Z15
Hosted power rate
$0.060/kWh

Option 1

Antminer Z15 (420KH/s)

Ask availability
Antminer Z15 (420KH/s)
Price
N/A
ROI
N/A
Hashrate
420 KH/s
Net daily
$13.09
Open product page

Option 2

SealMiner A2 Pro Air (255MH/s)

Ask availability
SealMiner A2 Pro Air (255MH/s)
Price
N/A
ROI
N/A
Hashrate
255 MH/s
Net daily
$9.09
Open product page

SealMiner A2 Pro Air (255MH/s) leads this comparison

SealMiner A2 Pro Air (255MH/s) comes out ahead on more buyer-facing signals here. Antminer Z15 (420KH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

Z15
2
metric wins
SealMiner A2 Pro Air
3
metric wins

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.

FeatureAntminer Z15 (420KH/s)SealMiner A2 Pro Air (255MH/s)Advantage
Brand
Antminer
N/A
Contextual
Model
Z15
N/A
Contextual
Hashrate
420 KH/s
255 MH/s
Best
SealMiner A2 Pro Air (255MH/s)
Power Consumption
1510W
0W
Best
SealMiner A2 Pro Air (255MH/s)
Efficiency
3.60 J/KH
N/A
Contextual
Daily energy use
36.2 kWh
0.0 kWh
Best
SealMiner A2 Pro Air (255MH/s)
Net Daily Profit (Est.)
$13.09
Best
$9.09
Antminer Z15 (420KH/s)
Monthly Profit (Est.)
$392.57
Best
$272.69
Antminer Z15 (420KH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
133 x 290 x 245 mm
N/A
Contextual
Weight
9000 g
N/A
Contextual

Performance

SealMiner A2 Pro Air (255MH/s) has the hashrate edge for raw output potential.

Efficiency

Efficiency data is not available for this comparison.

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: Antminer Z15 (420KH/s) or SealMiner A2 Pro Air (255MH/s)?

SealMiner A2 Pro Air (255MH/s) has a higher hashrate of 255 MH/s compared to Antminer Z15 (420KH/s)'s 420 KH/s.

Is Antminer Z15 (420KH/s) more efficient than SealMiner A2 Pro Air (255MH/s)?

Efficiency data is not available for this comparison.

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

Curious? Let’s connect to answer your questions.