Antminer S21e Hydro (310TH/s) vs Antminer K7 (63.5TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer S21e Hydro (310TH/s)
Option 2
Antminer K7 (63.5TH/s)
Antminer S21e Hydro (310TH/s) leads this comparison
Antminer S21e Hydro (310TH/s) comes out ahead on more buyer-facing signals here. Antminer K7 (63.5TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.
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.
| Feature | Antminer S21e Hydro (310TH/s) | Antminer K7 (63.5TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | S21 | K7 | Contextual |
| Hashrate | 310 TH/s Best | 63.5 TH/s | Antminer S21e Hydro (310TH/s) |
| Power Consumption | 5270W | 3080W Best | Antminer K7 (63.5TH/s) |
| Efficiency | 17.00 J/TH Best | 48.50 J/TH | Antminer S21e Hydro (310TH/s) |
| Daily energy use | 126.5 kWh | 73.9 kWh Best | Antminer K7 (63.5TH/s) |
| Net Daily Profit (Est.) | $2.17 Best | $1.21 | Antminer S21e Hydro (310TH/s) |
| Monthly Profit (Est.) | $65.14 Best | $36.44 | Antminer S21e Hydro (310TH/s) |
| Price | $1,387.19 Best | $1,727.88 | Antminer S21e Hydro (310TH/s) |
| Estimated ROI | 21 mo Best | 47 mo | Antminer S21e Hydro (310TH/s) |
| Cooling | HYDRO | AIR | Contextual |
| Dimensions | 410 x 209 x 170 mm | N/A | Contextual |
| Weight | 17000 g | N/A | Contextual |
Performance
Antminer S21e Hydro (310TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S21e Hydro (310TH/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: Antminer S21e Hydro (310TH/s) or Antminer K7 (63.5TH/s)?
Antminer S21e Hydro (310TH/s) has a higher hashrate of 310 TH/s compared to Antminer K7 (63.5TH/s)'s 63.5 TH/s.
Is Antminer S21e Hydro (310TH/s) more efficient than Antminer K7 (63.5TH/s)?
Yes, Antminer S21e Hydro (310TH/s) is more energy efficient at 17.00 J/TH.
Which miner has the better estimated ROI?
Antminer S21e Hydro (310TH/s) has the stronger estimated payback period at 21 mo, based on current product pricing and $0.060/kWh hosted electricity.
Every Day You Wait is Revenue You Lose
Curious? Let’s connect to answer your questions.