ASIC miner comparison

Whatsminer M21S (56MH/s) vs Antminer Z15 Pro (840KH/s)

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

Whatsminer M21S (56MH/s)
VS
Antminer Z15 Pro (840KH/s)
Higher hashrate
Whatsminer M21S
Better efficiency
N/A
Estimated net daily
Z15
Hosted power rate
$0.060/kWh

Option 1

Whatsminer M21S (56MH/s)

Ask availability
Whatsminer M21S (56MH/s)
Price
N/A
ROI
N/A
Hashrate
56 MH/s
Net daily
$2.00
Open product page

Option 2

Antminer Z15 Pro (840KH/s)

536 available
Antminer Z15 Pro (840KH/s)
Price
$5,390.10
ROI
8.5 mo
Hashrate
840 KH/s
Net daily
$20.74
Open product page

Whatsminer M21S (56MH/s) leads this comparison

Whatsminer M21S (56MH/s) comes out ahead on more buyer-facing signals here. Antminer Z15 Pro (840KH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

Whatsminer M21S
4
metric wins
Z15
2
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 (56MH/s)Antminer Z15 Pro (840KH/s)Advantage
Brand
N/A
Antminer
Contextual
Model
N/A
Z15
Contextual
Hashrate
56 MH/s
Best
840 KH/s
Whatsminer M21S (56MH/s)
Power Consumption
0W
Best
2780W
Whatsminer M21S (56MH/s)
Efficiency
N/A
3.31 J/KH
Contextual
Daily energy use
0.0 kWh
Best
66.7 kWh
Whatsminer M21S (56MH/s)
Net Daily Profit (Est.)
$2.00
$20.74
Best
Antminer Z15 Pro (840KH/s)
Monthly Profit (Est.)
$59.89
$622.10
Best
Antminer Z15 Pro (840KH/s)
Price
N/A
$5,390.10
Contextual
Estimated ROI
N/A
8.5 mo
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
155 x 390 x 240 mm
245 x 290 x 132 mm
Contextual
Weight
12500 g
Best
18000 g
Whatsminer M21S (56MH/s)

Performance

Whatsminer M21S (56MH/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 (56MH/s) or Antminer Z15 Pro (840KH/s)?

Whatsminer M21S (56MH/s) has a higher hashrate of 56 MH/s compared to Antminer Z15 Pro (840KH/s)'s 840 KH/s.

Is Whatsminer M21S (56MH/s) more efficient than Antminer Z15 Pro (840KH/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.