ASIC miner comparison

A8+ CryptoMaster (240KH/s) vs Antminer S21 Pro (234TH/s)

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

A8+ CryptoMaster (240KH/s)
VS
Antminer S21 Pro (234TH/s)
Higher hashrate
S21
Better efficiency
A8+
Estimated net daily
S21
Hosted power rate
$0.060/kWh

Option 1

A8+ CryptoMaster (240KH/s)

Ask availability
A8+ CryptoMaster (240KH/s)
Price
N/A
ROI
N/A
Hashrate
240 KH/s
Net daily
-$0.69
Open product page

Option 2

Antminer S21 Pro (234TH/s)

50 available
Antminer S21 Pro (234TH/s)
Price
$1,713.44
ROI
24 mo
Hashrate
234 TH/s
Net daily
$2.35
Open product page

Balanced match

A8+ CryptoMaster (240KH/s) and Antminer S21 Pro (234TH/s) are close enough that your final choice should come down to stock, delivery timing, and hosting preference.

A8+
3
metric wins
S21
3
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.

FeatureA8+ CryptoMaster (240KH/s)Antminer S21 Pro (234TH/s)Advantage
Brand
Innosilicon
Antminer
Contextual
Model
A8+
S21
Contextual
Hashrate
240 KH/s
234 TH/s
Best
Antminer S21 Pro (234TH/s)
Power Consumption
480W
Best
3510W
A8+ CryptoMaster (240KH/s)
Efficiency
2.00 J/KH
Best
15.00 J/TH
A8+ CryptoMaster (240KH/s)
Daily energy use
11.5 kWh
Best
84.2 kWh
A8+ CryptoMaster (240KH/s)
Net Daily Profit (Est.)
-$0.69
$2.35
Best
Antminer S21 Pro (234TH/s)
Monthly Profit (Est.)
-$20.73
$70.37
Best
Antminer S21 Pro (234TH/s)
Price
N/A
$1,713.44
Contextual
Estimated ROI
N/A
24 mo
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
160 x 350 x 250 mm
400 x 290 x 195 mm
Contextual
Weight
7300 g
N/A
Contextual

Performance

Antminer S21 Pro (234TH/s) has the hashrate edge for raw output potential.

Efficiency

A8+ CryptoMaster (240KH/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: A8+ CryptoMaster (240KH/s) or Antminer S21 Pro (234TH/s)?

Antminer S21 Pro (234TH/s) has a higher hashrate of 234 TH/s compared to A8+ CryptoMaster (240KH/s)'s 240 KH/s.

Is A8+ CryptoMaster (240KH/s) more efficient than Antminer S21 Pro (234TH/s)?

Yes, A8+ CryptoMaster (240KH/s) is more energy efficient at 2.00 J/KH.

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

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