ASIC miner comparison

BK-G28 (28GH/s) vs Whatsminer M21S (56TH/s)

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

BK-G28 (28GH/s)
VS
Whatsminer M21S (56TH/s)
Higher hashrate
M21
Better efficiency
BK
Estimated net daily
BK
Hosted power rate
$0.060/kWh

Option 1

BK-G28 (28GH/s)

Ask availability
BK-G28 (28GH/s)
Price
N/A
ROI
N/A
Hashrate
28 GH/s
Net daily
-$1.77
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

BK-G28 (28GH/s) leads this comparison

BK-G28 (28GH/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.

BK
6
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.

FeatureBK-G28 (28GH/s)Whatsminer M21S (56TH/s)Advantage
Brand
Baikal
MicroBT
Contextual
Model
BK
M21
Contextual
Hashrate
28 GH/s
56 TH/s
Best
Whatsminer M21S (56TH/s)
Power Consumption
1300W
Best
3360W
BK-G28 (28GH/s)
Efficiency
46.43 J/GH
Best
60.00 J/TH
BK-G28 (28GH/s)
Daily energy use
31.2 kWh
Best
80.6 kWh
BK-G28 (28GH/s)
Net Daily Profit (Est.)
-$1.77
Best
-$3.03
BK-G28 (28GH/s)
Monthly Profit (Est.)
-$53.16
Best
-$90.85
BK-G28 (28GH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
300 x 158 x 190 mm
155 x 390 x 240 mm
Contextual
Weight
6550 g
Best
12500 g
BK-G28 (28GH/s)

Performance

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

Efficiency

BK-G28 (28GH/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: BK-G28 (28GH/s) or Whatsminer M21S (56TH/s)?

Whatsminer M21S (56TH/s) has a higher hashrate of 56 TH/s compared to BK-G28 (28GH/s)'s 28 GH/s.

Is BK-G28 (28GH/s) more efficient than Whatsminer M21S (56TH/s)?

Yes, BK-G28 (28GH/s) is more energy efficient at 46.43 J/GH.

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.