ASIC miner comparison

X4-1U (520MH/s) vs Whatsminer M21 (31MH/s)

Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.

X4-1U (520MH/s)
VS
Whatsminer M21 (31MH/s)
Higher hashrate
X4-1U
Better efficiency
N/A
Estimated net daily
Whatsminer M21
Hosted power rate
$0.060/kWh

Option 1

X4-1U (520MH/s)

Ask availability
X4-1U (520MH/s)
Price
N/A
ROI
N/A
Hashrate
520 MH/s
Net daily
-$0.07
Open product page

Option 2

Whatsminer M21 (31MH/s)

Ask availability
Whatsminer M21 (31MH/s)
Price
N/A
ROI
N/A
Hashrate
31 MH/s
Net daily
$1.11
Open product page

Whatsminer M21 (31MH/s) leads this comparison

Whatsminer M21 (31MH/s) comes out ahead on more buyer-facing signals here. X4-1U (520MH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

X4-1U
1
metric wins
Whatsminer M21
4
metric wins

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.

FeatureX4-1U (520MH/s)Whatsminer M21 (31MH/s)Advantage
Brand
Jasminer
N/A
Contextual
Model
X4-1U
N/A
Contextual
Hashrate
520 MH/s
Best
31 MH/s
X4-1U (520MH/s)
Power Consumption
240W
0W
Best
Whatsminer M21 (31MH/s)
Efficiency
0.46 J/MH
N/A
Contextual
Daily energy use
5.8 kWh
0.0 kWh
Best
Whatsminer M21 (31MH/s)
Net Daily Profit (Est.)
-$0.07
$1.11
Best
Whatsminer M21 (31MH/s)
Monthly Profit (Est.)
-$1.97
$33.15
Best
Whatsminer M21 (31MH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
450 x 462 x 44 mm
200 x 440 x 300 mm
Contextual
Weight
N/A
7150 g
Contextual

Performance

X4-1U (520MH/s) has the hashrate edge for raw output potential.

Efficiency

Efficiency data is not available for this comparison.

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: X4-1U (520MH/s) or Whatsminer M21 (31MH/s)?

X4-1U (520MH/s) has a higher hashrate of 520 MH/s compared to Whatsminer M21 (31MH/s)'s 31 MH/s.

Is X4-1U (520MH/s) more efficient than Whatsminer M21 (31MH/s)?

Efficiency data is not available for this comparison.

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.