Option 1

Option 2

Antminer K7 (63.5TH/s) and Antminer G2 (220MH/s) are close enough that your final choice should come down to stock, delivery timing, and hosting preference.
Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.
Side-by-side mining, operating, and commercial specs.
| Feature | Antminer K7 (63.5TH/s) | Antminer G2 (220MH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | K7 | G2 | Contextual |
| Hashrate | 63.5 TH/s Best | 220 MH/s | Antminer K7 (63.5TH/s) |
| Power Consumption | 3080W | 1200W Best | Antminer G2 (220MH/s) |
| Efficiency | 48.50 J/TH | 5.45 J/MH Best | Antminer G2 (220MH/s) |
| Daily energy use | 73.9 kWh | 28.8 kWh Best | Antminer G2 (220MH/s) |
| Net Daily Profit (Est.) | -$0.94 Best | -$1.61 | Antminer K7 (63.5TH/s) |
| Monthly Profit (Est.) | -$28.06 Best | -$48.24 | Antminer K7 (63.5TH/s) |
| Price | $1,727.88 | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | N/A | 545 x 100 x 612 mm | Contextual |
| Weight | N/A | 15000 g | Contextual |
Antminer K7 (63.5TH/s) has the hashrate edge for raw output potential.
Antminer G2 (220MH/s) is stronger when comparing joules per hash unit.
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Antminer K7 (63.5TH/s) has a higher hashrate of 63.5 TH/s compared to Antminer G2 (220MH/s)'s 220 MH/s.
Antminer G2 (220MH/s) is more energy efficient at 5.45 J/MH.
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
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