ASIC miner comparison

Antminer KS7 (45TH/s) vs L21 (550MH/s)

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

Antminer KS7 (45TH/s)
VS
L21 (550MH/s)
Higher hashrate
KS7
Better efficiency
L
Estimated net daily
KS7
Hosted power rate
$0.060/kWh

Option 1

Antminer KS7 (45TH/s)

Ask availability
Antminer KS7 (45TH/s)
Price
N/A
ROI
N/A
Hashrate
45 TH/s
Net daily
$3.49
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
-$1.15
Open product page

L21 (550MH/s) leads this comparison

L21 (550MH/s) comes out ahead on more buyer-facing signals here. Antminer KS7 (45TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

KS7
3
metric wins
L
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.

FeatureAntminer KS7 (45TH/s)L21 (550MH/s)Advantage
Brand
Antminer
BW
Contextual
Model
KS7
L
Contextual
Hashrate
45 TH/s
Best
550 MH/s
Antminer KS7 (45TH/s)
Power Consumption
3080W
950W
Best
L21 (550MH/s)
Efficiency
68.44 J/TH
1.73 J/MH
Best
L21 (550MH/s)
Daily energy use
73.9 kWh
22.8 kWh
Best
L21 (550MH/s)
Net Daily Profit (Est.)
$3.49
Best
-$1.15
Antminer KS7 (45TH/s)
Monthly Profit (Est.)
$104.84
Best
-$34.44
Antminer KS7 (45TH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
430 x 290 x 196 mm
130 x 350 x 155 mm
Contextual
Weight
16400 g
5750 g
Best
L21 (550MH/s)

Performance

Antminer KS7 (45TH/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: Antminer KS7 (45TH/s) or L21 (550MH/s)?

Antminer KS7 (45TH/s) has a higher hashrate of 45 TH/s compared to L21 (550MH/s)'s 550 MH/s.

Is Antminer KS7 (45TH/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.