ASIC miner comparison

A4+ LTCMaster (620H/s) vs Whatsminer M21S (56TH/s)

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

A4+ LTCMaster (620H/s)
VS
Whatsminer M21S (56TH/s)
Higher hashrate
M21
Better efficiency
N/A
Estimated net daily
A4+ LTCMaster
Hosted power rate
$0.060/kWh

Option 1

A4+ LTCMaster (620H/s)

Ask availability
A4+ LTCMaster (620H/s)
Price
N/A
ROI
N/A
Hashrate
620 H/s
Net daily
$0.00
Open product page

Option 2

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

A4+ LTCMaster (620H/s) leads this comparison

A4+ LTCMaster (620H/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.

A4+ LTCMaster
5
metric wins
M21
1
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.

FeatureA4+ LTCMaster (620H/s)Whatsminer M21S (56TH/s)Advantage
Brand
N/A
MicroBT
Contextual
Model
N/A
M21
Contextual
Hashrate
620 H/s
56 TH/s
Best
Whatsminer M21S (56TH/s)
Power Consumption
0W
Best
3360W
A4+ LTCMaster (620H/s)
Efficiency
N/A
60.00 J/TH
Contextual
Daily energy use
0.0 kWh
Best
80.6 kWh
A4+ LTCMaster (620H/s)
Net Daily Profit (Est.)
$0.00
Best
-$3.03
A4+ LTCMaster (620H/s)
Monthly Profit (Est.)
$0.00
Best
-$90.85
A4+ LTCMaster (620H/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
125 x 350 x 155 mm
155 x 390 x 240 mm
Contextual
Weight
3830 g
Best
12500 g
A4+ LTCMaster (620H/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: A4+ LTCMaster (620H/s) or Whatsminer M21S (56TH/s)?

Whatsminer M21S (56TH/s) has a higher hashrate of 56 TH/s compared to A4+ LTCMaster (620H/s)'s 620 H/s.

Is A4+ LTCMaster (620H/s) more efficient than Whatsminer M21S (56TH/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.