ASIC miner comparison

Gamma Duo 650 (1.63TH/s) vs WhatsMiner M66S+ (318TH/s)

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

Gamma Duo 650 (1.63TH/s)
VS
WhatsMiner M66S+ (318TH/s)
Higher hashrate
M66
Better efficiency
Gamma
Estimated net daily
M66
Hosted power rate
$0.060/kWh

Option 1

Gamma Duo 650 (1.63TH/s)

Ask availability
Gamma Duo 650 (1.63TH/s)
Price
N/A
ROI
N/A
Hashrate
1.63 TH/s
Net daily
$0.01
Open product page

Option 2

WhatsMiner M66S+ (318TH/s)

50 available
WhatsMiner M66S+ (318TH/s)
Price
$2,263.84
ROI
31 mo
Hashrate
318 TH/s
Net daily
$2.40
Open product page

Gamma Duo 650 (1.63TH/s) leads this comparison

Gamma Duo 650 (1.63TH/s) comes out ahead on more buyer-facing signals here. WhatsMiner M66S+ (318TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

Gamma
4
metric wins
M66
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.

FeatureGamma Duo 650 (1.63TH/s)WhatsMiner M66S+ (318TH/s)Advantage
Brand
Bitaxe
WhatsMiner
Contextual
Model
Gamma
M66
Contextual
Hashrate
1.63 TH/s
318 TH/s
Best
WhatsMiner M66S+ (318TH/s)
Power Consumption
26W
Best
5406W
Gamma Duo 650 (1.63TH/s)
Efficiency
15.95 J/TH
Best
17.00 J/TH
Gamma Duo 650 (1.63TH/s)
Daily energy use
0.6 kWh
Best
129.7 kWh
Gamma Duo 650 (1.63TH/s)
Net Daily Profit (Est.)
$0.01
$2.40
Best
WhatsMiner M66S+ (318TH/s)
Monthly Profit (Est.)
$0.38
$71.86
Best
WhatsMiner M66S+ (318TH/s)
Price
N/A
$2,263.84
Contextual
Estimated ROI
N/A
31 mo
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
10 x 5 x 12 mm
267 x 401 x 147 mm
Contextual
Weight
340 g
Best
18000 g
Gamma Duo 650 (1.63TH/s)

Performance

WhatsMiner M66S+ (318TH/s) has the hashrate edge for raw output potential.

Efficiency

Gamma Duo 650 (1.63TH/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: Gamma Duo 650 (1.63TH/s) or WhatsMiner M66S+ (318TH/s)?

WhatsMiner M66S+ (318TH/s) has a higher hashrate of 318 TH/s compared to Gamma Duo 650 (1.63TH/s)'s 1.63 TH/s.

Is Gamma Duo 650 (1.63TH/s) more efficient than WhatsMiner M66S+ (318TH/s)?

Yes, Gamma Duo 650 (1.63TH/s) is more energy efficient at 15.95 J/TH.

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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