Antminer S21e Hydro (310TH/s) vs WhatsMiner M66S+ (318TH/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
WhatsMiner M66S+ (318TH/s)
Antminer S21e Hydro (310TH/s) leads this comparison
Antminer S21e Hydro (310TH/s) comes out ahead on more buyer-facing signals here. WhatsMiner M66S+ (318TH/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) | WhatsMiner M66S+ (318TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | WhatsMiner | Contextual |
| Model | S21 | M66 | Contextual |
| Hashrate | 310 TH/s | 318 TH/s Best | WhatsMiner M66S+ (318TH/s) |
| Power Consumption | 5270W Best | 5406W | Antminer S21e Hydro (310TH/s) |
| Efficiency | 17.00 J/TH | 17.00 J/TH | Tie |
| Daily energy use | 126.5 kWh Best | 129.7 kWh | Antminer S21e Hydro (310TH/s) |
| Net Daily Profit (Est.) | $2.17 | $2.40 Best | WhatsMiner M66S+ (318TH/s) |
| Monthly Profit (Est.) | $65.14 | $71.86 Best | WhatsMiner M66S+ (318TH/s) |
| Price | $1,387.19 Best | $2,263.84 | Antminer S21e Hydro (310TH/s) |
| Estimated ROI | 21 mo Best | 31 mo | Antminer S21e Hydro (310TH/s) |
| Cooling | HYDRO | AIR | Contextual |
| Dimensions | 410 x 209 x 170 mm | 267 x 401 x 147 mm | Contextual |
| Weight | 17000 g Best | 18000 g | Antminer S21e Hydro (310TH/s) |
Performance
WhatsMiner M66S+ (318TH/s) has the hashrate edge for raw output potential.
Efficiency
Both miners are tied 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 WhatsMiner M66S+ (318TH/s)?
WhatsMiner M66S+ (318TH/s) has a higher hashrate of 318 TH/s compared to Antminer S21e Hydro (310TH/s)'s 310 TH/s.
Is Antminer S21e Hydro (310TH/s) more efficient than WhatsMiner M66S+ (318TH/s)?
Antminer S21e Hydro (310TH/s) and WhatsMiner M66S+ (318TH/s) have the same listed efficiency.
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
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