ANTMINER S15 Vs T15 – Specs |Profitability|Hashrate

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The new ASIC Antminer S15 and T15 from Bitmain run on the latest 7-nanometer chips, are energy efficient and compatible with the SHA256 algorithm ( Bitcoin and Bitcoin Cash are mined ).

ANTMINER S15 and T15 - Which Has Higher Profitability

The new Antminer S15 and T15 models have two different modes :

  • energy saving
  • high performance.

In the energy saving mode, the S15 consumes only  850 watts, which makes it a good option for use in regions with expensive electricity. In high-performance mode, the miner consumes  1596 watts,  but, surprisingly, an increase in the hashrate compensates for the additional energy consumption, even if you need to pay 12 cents per kWh.

In fact, the only reasons you can use the  ASIC miner in power-saving mode are:

  • reduce heat and noise,
  • if you don’t have the infrastructure to support such increased energy consumption.

Prices for ASICi S15 and T15

According to data on the official website of the company Bitmain, the cost of the devices is $ 1475 for Antminer S15 and $ 913 for Antminer T15.

Prices for ASICs ANTMINER S15 and T15

Start of supply of the first batch of equipment from December 20 to December 31, 2018.

Specification Antminer S15

S15 is more like a flagship – at least for the price and hashrate.

ASIC Antminer S15
  • The mining algorithm is SHA256.
  • Weight – 7 kilograms.
  • Price – $ 1,475 for the first batch (December 20-31).
  • Dimensions – 221 x 175.4 x 278.8 mm.
  • The presence of energy saving mode – yes.
  • The hash in performance mode is 28 TH / s.
  • The energy saving hash is 17 TH / s.
  • Power consumption in performance mode – 1596 watts.
  • Power consumption in power saving mode – 850 watts.
  • The fans are designed in parallel.
  • The chip manufacturing technology is 7-nanometer.

The miner has two modes of operation. The first is aimed at maximizing the hashrate, the second – at saving energy costs.

Specification Antminer T15

T15 is simpler. Performance and cost are lower, while the chips are still 7nm.

  • The mining algorithm is SHA256.
  • Weight – 6.6 kilograms.
  • Price – $ 913 for the first batch (December 20-31).
  • Dimensions – 205.15 x 175.4 x 278.8 mm.
  • The presence of energy saving mode – yes.
  • The hash in performance mode is 23 TH / s.
  • The energy saving hash is 20 TH / s.
  • Power consumption in performance mode – 1541 watts.
  • Power consumption in power saving mode – 1200 watts.
  • The fans are designed in parallel.
  • The chip manufacturing technology is 7-nanometer.

Connection and setup, step-by-step guide on what to do

Before starting work, visually inspect the device. Pay attention to broken fan blades, cables and bent connectors, check that all cooling radiators are securely fastened. Inspect the cables and connectors of the miner. Make sure they are not loose or broken.

Correctly connect the positive and negative ports of the 6-pin DAC power supply connectors to the miner control board and hash cards. 

If connected incorrectly, the antminer s15 power supply will enter protection mode, and the control board and hash board will burn out (yellow-plus; black-minus).

Precautions for use.

  • PoE is not supported.
  • An Ethernet network connection is connected through a router or switch.
  • Use a miner at a temperature of 5 to 35 degrees Celsius.
  • Humidity in the room should not be higher than 65%.
  • Do not allow dust to accumulate on the device.
  • Supported browsers: Google Chrome and Firefox.

Launch order.

Launch order

1.Turn on the miner and wait until the green indicator starts flashing before looking for the IP address of the miner. To start one or two miners, you do not need to search and enter an IP address. If you have three or more miners:

  • Download the IP lookup software:  https://service.bitmain.com/support/download  and install IP Reporter
  • Open the IP finder, click Start
  • Press the IP Report button on the miner
  • Enter the IP address of the miner in the address bar of the browser.
  • In the pop-up window, enter the username and password (default is root / root).
  • Enter the IP address, subnet mask, SWG, DNS, then click Save and Apply.

2. Pool setting

  • Click on the “Miner Configuration” tab.
  • Open General Settings.
  • Enter the URL of the mining pool and the name of the miner (in the Worker section), you can not change the password.
  • Click “Save & Apply”.

Setup is complete, it will take 5 to 30 minutes to display statistics on Antpool. Antminer T15 has 3 hash boards, but in status will be displayed as 9 hash boards.

How to change a standard pool

If you want to use asic miner antminer s15 / asic miner antminer T15 to work on another mine, you need to change the Pool values ​​in the General Settings tab when starting.

How to change a standard pool

Instead of the default Antpool, you should make and save the settings of the service you selected. Be sure to make sure that the new settings are saved and check the statistics on the pool.

You can change the acceleration of devices in the section of the Last power mod interface by switching the miner operation mode. Tabs for changing the default frequency Factory overclocking antminer s15, unlike s9, does not have a control interface.

Profitability Antminer S15

Today, Antminer S15’s revenue is $ 50 per month if you pay 12 cents per kWh. (in high-performance mode).

The cost of electricity per month is $ 140, which means that those who have free electricity can earn an income of $ 190 per month. Even with the cost of electricity of $ 0.08 / kW / h, the income from the device is still $ 95 / month at current rates and the difficulty of mining cryptocurrency.

Payback Antminer S15 in high performance and energy-saving modes

Usually, bitcoin miners pay off for about two years, and S15 is no exception to the rule. If the mining complexity remains the same, then we can expect that the investment will return in about 10-14 months. But the complexity of production will undoubtedly increase, therefore, in fact, the payback should be about 20 months.

Now consider how much mining complexity will increase ? Since S15 is based on new technologies, we expect complexity to increase significantly. We know that large companies (especially Bitmain) own most of the Bitcoin network hashrate. We also know that their hangars use cheap electricity.

Bitcoin network mining difficulty chart (BTC)

S15 replaces the older series – S9. This means that instead of 14 TH / s, Bitmain will start adding 30 TH / s to its farms. This is not so much, given the enormous hashrate of the Bitcoin network.

In fact, for a Chinese farm (with almost free electricity), the Innosilicon T2 turbo 32 (32TH / s) might be a better investment than the S15.

Payback Antminer S15 in high performance mode:

Payback Antminer S15 in high performance mode

Payback Antminer S15 in energy-saving mode:

Payback Antminer S15 in energy-saving mode

The obtained figures allow us to draw conclusions about the payback of the device. It is more logical to count for maximum performance. Divide the $ 1,475 price by the maximum profit of $ 4.58. We get 322 days or almost 11 months. The result is relevant for network and course stability.

Profitability and Payback Antminer T15

At top-end performance, ASIC will produce 23 TH / s and 1541 watts.

Profitability and Payback Antminer T15

$ 3.49 profit per day at the previous cost of the outlet. We estimate the energy-saving mode with 20 TH / s and 1200 watts of consumption.

Payback Antminer T15

$ 3.2 per day in Bitcoin. The result of mining Bitcoin Cash is slightly behind – $ 3.15.

Payback Antminer T15 – $ 913 prices divided by $ 3.49 profit. We get 261 days or almost 9 months.

Of course, the rental of premises as a result is not taken into account. This factor will have to be considered independently.

Conclusion

Should I buy the S15? The device definitely belongs to the field of industrial mining, and “home miners” should, apparently, look for other options, such as cloud mining.

It seems that Bitmain itself will become the main consumer of its own S15 ASICs, although those of you who have cheap electricity can get their share of the pie.

You can express your opinion on new devices from Bitmain in the comments.


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