ASIC miner comparison

Whatsminer M21S (56TH/s) vs Antminer KS7 (40TH/s)

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

Whatsminer M21S (56TH/s)
VS
Antminer KS7 (40TH/s)
Higher hashrate
M21
Better efficiency
M21
Estimated net daily
KS7
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

Antminer KS7 (40TH/s)

Ask availability
Antminer KS7 (40TH/s)
Price
N/A
ROI
N/A
Hashrate
40 TH/s
Net daily
$3.22
Open product page

Antminer KS7 (40TH/s) leads this comparison

Antminer KS7 (40TH/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
3
metric wins
KS7
4
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)Antminer KS7 (40TH/s)Advantage
Brand
MicroBT
Antminer
Contextual
Model
M21
KS7
Contextual
Hashrate
56 TH/s
Best
40 TH/s
Whatsminer M21S (56TH/s)
Power Consumption
3360W
3080W
Best
Antminer KS7 (40TH/s)
Efficiency
60.00 J/TH
Best
77.00 J/TH
Whatsminer M21S (56TH/s)
Daily energy use
80.6 kWh
73.9 kWh
Best
Antminer KS7 (40TH/s)
Net Daily Profit (Est.)
-$3.03
$3.22
Best
Antminer KS7 (40TH/s)
Monthly Profit (Est.)
-$90.85
$96.74
Best
Antminer KS7 (40TH/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
430 x 290 x 196 mm
Contextual
Weight
12500 g
Best
17000 g
Whatsminer M21S (56TH/s)

Performance

Whatsminer M21S (56TH/s) has the hashrate edge for raw output potential.

Efficiency

Whatsminer M21S (56TH/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: Whatsminer M21S (56TH/s) or Antminer KS7 (40TH/s)?

Whatsminer M21S (56TH/s) has a higher hashrate of 56 TH/s compared to Antminer KS7 (40TH/s)'s 40 TH/s.

Is Whatsminer M21S (56TH/s) more efficient than Antminer KS7 (40TH/s)?

Yes, Whatsminer M21S (56TH/s) is more energy efficient at 60.00 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

Curious? Let’s connect to answer your questions.