Antminer S21 XP (270TH/s) vs A9++ ZMaster (140KH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer S21 XP (270TH/s)
Option 2
A9++ ZMaster (140KH/s)
Balanced match
Antminer S21 XP (270TH/s) and A9++ ZMaster (140KH/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.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | Antminer S21 XP (270TH/s) | A9++ ZMaster (140KH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | Innosilicon | Contextual |
| Model | S21 | A9++ | Contextual |
| Hashrate | 270 TH/s Best | 140 KH/s | Antminer S21 XP (270TH/s) |
| Power Consumption | 3645W | 1550W Best | A9++ ZMaster (140KH/s) |
| Efficiency | 13.50 J/TH | 11.07 J/KH Best | A9++ ZMaster (140KH/s) |
| Daily energy use | 87.5 kWh | 37.2 kWh Best | A9++ ZMaster (140KH/s) |
| Net Daily Profit (Est.) | $3.35 Best | $1.89 | Antminer S21 XP (270TH/s) |
| Monthly Profit (Est.) | $100.54 Best | $56.64 | Antminer S21 XP (270TH/s) |
| Price | $3,322.54 | N/A | Contextual |
| Estimated ROI | 33 mo | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 400 x 290 x 195 mm | 155 x 360 x 250 mm | Contextual |
| Weight | N/A | 11000 g | Contextual |
Performance
Antminer S21 XP (270TH/s) has the hashrate edge for raw output potential.
Efficiency
A9++ ZMaster (140KH/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 S21 XP (270TH/s) or A9++ ZMaster (140KH/s)?
Antminer S21 XP (270TH/s) has a higher hashrate of 270 TH/s compared to A9++ ZMaster (140KH/s)'s 140 KH/s.
Is Antminer S21 XP (270TH/s) more efficient than A9++ ZMaster (140KH/s)?
A9++ ZMaster (140KH/s) is more energy efficient at 11.07 J/KH.
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
Curious? Let’s connect to answer your questions.