ASIC miner comparison

SPx36 (540GH/s) vs Gamma Duo 650 (1.63TH/s)

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

SPx36 (540GH/s)
VS
Gamma Duo 650 (1.63TH/s)
Higher hashrate
Gamma
Better efficiency
SP
Estimated net daily
Gamma
Hosted power rate
$0.060/kWh

Option 1

SPx36 (540GH/s)

Ask availability
SPx36 (540GH/s)
Price
N/A
ROI
N/A
Hashrate
540 GH/s
Net daily
-$4.40
Open product page

Option 2

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

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

Gamma Duo 650 (1.63TH/s) comes out ahead on more buyer-facing signals here. SPx36 (540GH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

SP
1
metric wins
Gamma
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.

FeatureSPx36 (540GH/s)Gamma Duo 650 (1.63TH/s)Advantage
Brand
Spondoolies
Bitaxe
Contextual
Model
SP
Gamma
Contextual
Hashrate
540 GH/s
1.63 TH/s
Best
Gamma Duo 650 (1.63TH/s)
Power Consumption
4400W
26W
Best
Gamma Duo 650 (1.63TH/s)
Efficiency
8.15 J/GH
Best
15.95 J/TH
SPx36 (540GH/s)
Daily energy use
105.6 kWh
0.6 kWh
Best
Gamma Duo 650 (1.63TH/s)
Net Daily Profit (Est.)
-$4.40
$0.01
Best
Gamma Duo 650 (1.63TH/s)
Monthly Profit (Est.)
-$131.88
$0.38
Best
Gamma Duo 650 (1.63TH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
595 x 88 x 434 mm
10 x 5 x 12 mm
Contextual
Weight
19500 g
340 g
Best
Gamma Duo 650 (1.63TH/s)

Performance

Gamma Duo 650 (1.63TH/s) has the hashrate edge for raw output potential.

Efficiency

SPx36 (540GH/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: SPx36 (540GH/s) or Gamma Duo 650 (1.63TH/s)?

Gamma Duo 650 (1.63TH/s) has a higher hashrate of 1.63 TH/s compared to SPx36 (540GH/s)'s 540 GH/s.

Is SPx36 (540GH/s) more efficient than Gamma Duo 650 (1.63TH/s)?

Yes, SPx36 (540GH/s) is more energy efficient at 8.15 J/GH.

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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