ASIC miner comparison

X4-QZ (840MH/s) vs SealMiner A3 Air (260TH/s)

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

X4-QZ (840MH/s)
VS
SealMiner A3 Air (260TH/s)
Higher hashrate
A3
Better efficiency
X4
Estimated net daily
A3
Hosted power rate
$0.060/kWh

Option 1

X4-QZ (840MH/s)

Ask availability
X4-QZ (840MH/s)
Price
N/A
ROI
N/A
Hashrate
840 MH/s
Net daily
-$0.07
Open product page

Option 2

SealMiner A3 Air (260TH/s)

Ask availability
SealMiner A3 Air (260TH/s)
Price
N/A
ROI
N/A
Hashrate
260 TH/s
Net daily
$3.52
Open product page

X4-QZ (840MH/s) leads this comparison

X4-QZ (840MH/s) comes out ahead on more buyer-facing signals here. SealMiner A3 Air (260TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

X4
4
metric wins
A3
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.

FeatureX4-QZ (840MH/s)SealMiner A3 Air (260TH/s)Advantage
Brand
Jasminer
Sealminer
Contextual
Model
X4
A3
Contextual
Hashrate
840 MH/s
260 TH/s
Best
SealMiner A3 Air (260TH/s)
Power Consumption
340W
Best
3640W
X4-QZ (840MH/s)
Efficiency
0.40 J/MH
Best
14.00 J/TH
X4-QZ (840MH/s)
Daily energy use
8.2 kWh
Best
87.4 kWh
X4-QZ (840MH/s)
Net Daily Profit (Est.)
-$0.07
$3.52
Best
SealMiner A3 Air (260TH/s)
Monthly Profit (Est.)
-$2.09
$105.55
Best
SealMiner A3 Air (260TH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
450 x 132 x 350 mm
197 x 292 x 365 mm
Contextual
Weight
12000 g
Best
17000 g
X4-QZ (840MH/s)

Performance

SealMiner A3 Air (260TH/s) has the hashrate edge for raw output potential.

Efficiency

X4-QZ (840MH/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: X4-QZ (840MH/s) or SealMiner A3 Air (260TH/s)?

SealMiner A3 Air (260TH/s) has a higher hashrate of 260 TH/s compared to X4-QZ (840MH/s)'s 840 MH/s.

Is X4-QZ (840MH/s) more efficient than SealMiner A3 Air (260TH/s)?

Yes, X4-QZ (840MH/s) is more energy efficient at 0.40 J/MH.

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.