ASIC miner comparison

Whatsminer M21S (56TH/s) vs A4 Dominator (280H/s)

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

Whatsminer M21S (56TH/s)
VS
A4 Dominator (280H/s)
Higher hashrate
M21
Better efficiency
N/A
Estimated net daily
A4 Dominator
Hosted power rate
$0.060/kWh

Option 1

Whatsminer M21S (56TH/s)

Ask availability
Whatsminer M21S (56TH/s)
Price
N/A
ROI
N/A
Hashrate
56 TH/s
Net daily
-$3.03
Open product page

Option 2

A4 Dominator (280H/s)

Ask availability
A4 Dominator (280H/s)
Price
N/A
ROI
N/A
Hashrate
280 H/s
Net daily
$0.00
Open product page

A4 Dominator (280H/s) leads this comparison

A4 Dominator (280H/s) comes out ahead on more buyer-facing signals here. Whatsminer M21S (56TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

M21
1
metric wins
A4 Dominator
5
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.

FeatureWhatsminer M21S (56TH/s)A4 Dominator (280H/s)Advantage
Brand
MicroBT
N/A
Contextual
Model
M21
N/A
Contextual
Hashrate
56 TH/s
Best
280 H/s
Whatsminer M21S (56TH/s)
Power Consumption
3360W
0W
Best
A4 Dominator (280H/s)
Efficiency
60.00 J/TH
N/A
Contextual
Daily energy use
80.6 kWh
0.0 kWh
Best
A4 Dominator (280H/s)
Net Daily Profit (Est.)
-$3.03
$0.00
Best
A4 Dominator (280H/s)
Monthly Profit (Est.)
-$90.85
$0.00
Best
A4 Dominator (280H/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
155 x 390 x 240 mm
260 x 280 x 130 mm
Contextual
Weight
12500 g
9200 g
Best
A4 Dominator (280H/s)

Performance

Whatsminer M21S (56TH/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: Whatsminer M21S (56TH/s) or A4 Dominator (280H/s)?

Whatsminer M21S (56TH/s) has a higher hashrate of 56 TH/s compared to A4 Dominator (280H/s)'s 280 H/s.

Is Whatsminer M21S (56TH/s) more efficient than A4 Dominator (280H/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.