ASIC miner comparison

Antminer Z15 (420KH/s) vs WhatsMiner M66S+ (318TH/s)

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

Antminer Z15 (420KH/s)
VS
WhatsMiner M66S+ (318TH/s)
Higher hashrate
M66
Better efficiency
Z15
Estimated net daily
Z15
Hosted power rate
$0.060/kWh

Option 1

Antminer Z15 (420KH/s)

Ask availability
Antminer Z15 (420KH/s)
Price
N/A
ROI
N/A
Hashrate
420 KH/s
Net daily
$13.09
Open product page

Option 2

WhatsMiner M66S+ (318TH/s)

50 available
WhatsMiner M66S+ (318TH/s)
Price
$2,263.84
ROI
31 mo
Hashrate
318 TH/s
Net daily
$2.40
Open product page

Antminer Z15 (420KH/s) leads this comparison

Antminer Z15 (420KH/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.

Z15
6
metric wins
M66
1
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.

FeatureAntminer Z15 (420KH/s)WhatsMiner M66S+ (318TH/s)Advantage
Brand
Antminer
WhatsMiner
Contextual
Model
Z15
M66
Contextual
Hashrate
420 KH/s
318 TH/s
Best
WhatsMiner M66S+ (318TH/s)
Power Consumption
1510W
Best
5406W
Antminer Z15 (420KH/s)
Efficiency
3.60 J/KH
Best
17.00 J/TH
Antminer Z15 (420KH/s)
Daily energy use
36.2 kWh
Best
129.7 kWh
Antminer Z15 (420KH/s)
Net Daily Profit (Est.)
$13.09
Best
$2.40
Antminer Z15 (420KH/s)
Monthly Profit (Est.)
$392.57
Best
$71.86
Antminer Z15 (420KH/s)
Price
N/A
$2,263.84
Contextual
Estimated ROI
N/A
31 mo
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
133 x 290 x 245 mm
267 x 401 x 147 mm
Contextual
Weight
9000 g
Best
18000 g
Antminer Z15 (420KH/s)

Performance

WhatsMiner M66S+ (318TH/s) has the hashrate edge for raw output potential.

Efficiency

Antminer Z15 (420KH/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 Z15 (420KH/s) or WhatsMiner M66S+ (318TH/s)?

WhatsMiner M66S+ (318TH/s) has a higher hashrate of 318 TH/s compared to Antminer Z15 (420KH/s)'s 420 KH/s.

Is Antminer Z15 (420KH/s) more efficient than WhatsMiner M66S+ (318TH/s)?

Yes, Antminer Z15 (420KH/s) is more energy efficient at 3.60 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.