ASIC miner comparison

BK-G28 (28GH/s) vs L21 (550MH/s)

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

BK-G28 (28GH/s)
VS
L21 (550MH/s)
Higher hashrate
BK
Better efficiency
L
Estimated net daily
L
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

L21 (550MH/s)

Ask availability
L21 (550MH/s)
Price
N/A
ROI
N/A
Hashrate
550 MH/s
Net daily
-$1.16
Open product page

L21 (550MH/s) leads this comparison

L21 (550MH/s) comes out ahead on more buyer-facing signals here. BK-G28 (28GH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

BK
1
metric wins
L
6
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)L21 (550MH/s)Advantage
Brand
Baikal
BW
Contextual
Model
BK
L
Contextual
Hashrate
28 GH/s
Best
550 MH/s
BK-G28 (28GH/s)
Power Consumption
1300W
950W
Best
L21 (550MH/s)
Efficiency
46.43 J/GH
1.73 J/MH
Best
L21 (550MH/s)
Daily energy use
31.2 kWh
22.8 kWh
Best
L21 (550MH/s)
Net Daily Profit (Est.)
-$1.77
-$1.16
Best
L21 (550MH/s)
Monthly Profit (Est.)
-$53.16
-$34.74
Best
L21 (550MH/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
130 x 350 x 155 mm
Contextual
Weight
6550 g
5750 g
Best
L21 (550MH/s)

Performance

BK-G28 (28GH/s) has the hashrate edge for raw output potential.

Efficiency

L21 (550MH/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 L21 (550MH/s)?

BK-G28 (28GH/s) has a higher hashrate of 28 GH/s compared to L21 (550MH/s)'s 550 MH/s.

Is BK-G28 (28GH/s) more efficient than L21 (550MH/s)?

L21 (550MH/s) is more energy efficient at 1.73 J/MH.

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.