Option 1
X4-QZ (840MH/s)
Option 2
WhatsMiner M78S (472TH/s)
X4-QZ (840MH/s) leads this comparison
X4-QZ (840MH/s) comes out ahead on more buyer-facing signals here. WhatsMiner M78S (472TH/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 | X4-QZ (840MH/s) | WhatsMiner M78S (472TH/s) | Advantage |
|---|---|---|---|
| Brand | Jasminer | WhatsMiner | Contextual |
| Model | X4 | M78 | Contextual |
| Hashrate | 840 MH/s | 472 TH/s Best | WhatsMiner M78S (472TH/s) |
| Power Consumption | 340W Best | 6550W | X4-QZ (840MH/s) |
| Efficiency | 0.40 J/MH Best | 13.88 J/TH | X4-QZ (840MH/s) |
| Daily energy use | 8.2 kWh Best | 157.2 kWh | X4-QZ (840MH/s) |
| Net Daily Profit (Est.) | -$0.07 | $6.43 Best | WhatsMiner M78S (472TH/s) |
| Monthly Profit (Est.) | -$2.09 | $192.84 Best | WhatsMiner M78S (472TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | IMMERSION | Contextual |
| Dimensions | 450 x 132 x 350 mm | 267 x 401 x 147 mm | Contextual |
| Weight | 12000 g Best | 22000 g | X4-QZ (840MH/s) |
Performance
WhatsMiner M78S (472TH/s) has the hashrate edge for raw output potential.
Efficiency
X4-QZ (840MH/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: X4-QZ (840MH/s) or WhatsMiner M78S (472TH/s)?
WhatsMiner M78S (472TH/s) has a higher hashrate of 472 TH/s compared to X4-QZ (840MH/s)'s 840 MH/s.
Is X4-QZ (840MH/s) more efficient than WhatsMiner M78S (472TH/s)?
Yes, X4-QZ (840MH/s) is more energy efficient at 0.40 J/MH.
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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