Whatsminer M50S (128TH/s) vs Antminer S21j XP Hydro (495TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Whatsminer M50S (128TH/s)
Option 2
Antminer S21j XP Hydro (495TH/s)
Antminer S21j XP Hydro (495TH/s) leads this comparison
Antminer S21j XP Hydro (495TH/s) comes out ahead on more buyer-facing signals here. Whatsminer M50S (128TH/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 | Whatsminer M50S (128TH/s) | Antminer S21j XP Hydro (495TH/s) | Advantage |
|---|---|---|---|
| Brand | MicroBT | Antminer | Contextual |
| Model | M50 | S21 | Contextual |
| Hashrate | 128 TH/s | 495 TH/s Best | Antminer S21j XP Hydro (495TH/s) |
| Power Consumption | 3276W Best | 5940W | Whatsminer M50S (128TH/s) |
| Efficiency | 25.59 J/TH | 12.00 J/TH Best | Antminer S21j XP Hydro (495TH/s) |
| Daily energy use | 78.6 kWh Best | 142.6 kWh | Whatsminer M50S (128TH/s) |
| Net Daily Profit (Est.) | -$0.14 | $5.74 Best | Antminer S21j XP Hydro (495TH/s) |
| Monthly Profit (Est.) | -$4.12 | $172.09 Best | Antminer S21j XP Hydro (495TH/s) |
| Price | $663.08 Best | $6,544.39 | Whatsminer M50S (128TH/s) |
| Estimated ROI | N/A | 37 mo | Contextual |
| Cooling | AIR | HYDRO | Contextual |
| Dimensions | 125 x 425 x 225 mm | 410 x 209 x 170 mm | Contextual |
| Weight | N/A | N/A | Contextual |
Performance
Antminer S21j XP Hydro (495TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S21j XP Hydro (495TH/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: Whatsminer M50S (128TH/s) or Antminer S21j XP Hydro (495TH/s)?
Antminer S21j XP Hydro (495TH/s) has a higher hashrate of 495 TH/s compared to Whatsminer M50S (128TH/s)'s 128 TH/s.
Is Whatsminer M50S (128TH/s) more efficient than Antminer S21j XP Hydro (495TH/s)?
Antminer S21j XP Hydro (495TH/s) is more energy efficient at 12.00 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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