Antminer KS7 (45TH/s) vs Antminer S21 Hydro (335TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer KS7 (45TH/s)
Option 2
Antminer S21 Hydro (335TH/s)
Antminer KS7 (45TH/s) leads this comparison
Antminer KS7 (45TH/s) comes out ahead on more buyer-facing signals here. Antminer S21 Hydro (335TH/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 KS7 (45TH/s) | Antminer S21 Hydro (335TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Antminer | Contextual |
| Model | KS7 | S21 | Contextual |
| Hashrate | 45 TH/s | 335 TH/s Best | Antminer S21 Hydro (335TH/s) |
| Power Consumption | 3080W Best | 5360W | Antminer KS7 (45TH/s) |
| Efficiency | 68.44 J/TH | 16.00 J/TH Best | Antminer S21 Hydro (335TH/s) |
| Daily energy use | 73.9 kWh Best | 128.6 kWh | Antminer KS7 (45TH/s) |
| Net Daily Profit (Est.) | $3.64 Best | $1.65 | Antminer KS7 (45TH/s) |
| Monthly Profit (Est.) | $109.34 Best | $49.55 | Antminer KS7 (45TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | HYDRO | Contextual |
| Dimensions | 430 x 290 x 196 mm | 410 x 209 x 170 mm | Contextual |
| Weight | 16400 g Best | 17000 g | Antminer KS7 (45TH/s) |
Performance
Antminer S21 Hydro (335TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S21 Hydro (335TH/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 KS7 (45TH/s) or Antminer S21 Hydro (335TH/s)?
Antminer S21 Hydro (335TH/s) has a higher hashrate of 335 TH/s compared to Antminer KS7 (45TH/s)'s 45 TH/s.
Is Antminer KS7 (45TH/s) more efficient than Antminer S21 Hydro (335TH/s)?
Antminer S21 Hydro (335TH/s) is more energy efficient at 16.00 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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