ASIC miner comparison

B8 (49MH/s) vs WhatsMiner M66 (280TH/s)

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

B8 (49MH/s)
VS
WhatsMiner M66 (280TH/s)
Higher hashrate
M66
Better efficiency
N/A
Estimated net daily
M66
Hosted power rate
$0.060/kWh

Option 1

B8 (49MH/s)

Ask availability
B8 (49MH/s)
Price
N/A
ROI
N/A
Hashrate
49 MH/s
Net daily
$0.00
Open product page

Option 2

WhatsMiner M66 (280TH/s)

Ask availability
WhatsMiner M66 (280TH/s)
Price
N/A
ROI
N/A
Hashrate
280 TH/s
Net daily
$0.73
Open product page

WhatsMiner M66 (280TH/s) leads this comparison

WhatsMiner M66 (280TH/s) comes out ahead on more buyer-facing signals here. B8 (49MH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

B8
2
metric wins
M66
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.

FeatureB8 (49MH/s)WhatsMiner M66 (280TH/s)Advantage
Brand
N/A
MicroBT
Contextual
Model
N/A
M66
Contextual
Hashrate
49 MH/s
280 TH/s
Best
WhatsMiner M66 (280TH/s)
Power Consumption
0W
Best
5572W
B8 (49MH/s)
Efficiency
N/A
19.90 J/TH
Contextual
Daily energy use
0.0 kWh
Best
133.7 kWh
B8 (49MH/s)
Net Daily Profit (Est.)
$0.00
$0.73
Best
WhatsMiner M66 (280TH/s)
Monthly Profit (Est.)
$0.00
$21.79
Best
WhatsMiner M66 (280TH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
440 x 650 x 270 mm
267 x 401 x 147 mm
Contextual
Weight
37000 g
16000 g
Best
WhatsMiner M66 (280TH/s)

Performance

WhatsMiner M66 (280TH/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: B8 (49MH/s) or WhatsMiner M66 (280TH/s)?

WhatsMiner M66 (280TH/s) has a higher hashrate of 280 TH/s compared to B8 (49MH/s)'s 49 MH/s.

Is B8 (49MH/s) more efficient than WhatsMiner M66 (280TH/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.