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S19 95 TH/s differs from S19 J PRO and S19 PRO 110 TH.

In 2021, a leading manufacturer ASICů for mining, society BITMAIN, launched a cutting-edge model for Bitcoin mining – ASIC ANTMINER S19 95 TH/s. Similar to S9 and S17, modifications of this model ANTMINER S19 PRO with hashing power of 110 Terahashes were also launched, and towards the end of the year appeared ANTMINER S19 J PRO with power of 100 and 104 Terahashes. In November, only the S19 J PRO model was available on the manufacturer's website.

At first glance, the difference in hashing power is small - 95, 104 and 110 terahas. However, the buyer often wants to buy the strongest ASIC or they think stronger is better, despite the significant difference in price—almost $1000 for each stronger model.

However, in reality, higher performance does not necessarily mean better quality, and a newer model does not necessarily mean higher quality.

Let's find out how these ASIC plates vary.

The ANTMINER S19 95 Terahash board (same as the T19) has 76 chips (on the left in the photo). On the other hand, the S19 J PRO and S19 PRO boards have up to 114 chips, which is significantly more, and each chip is equipped with smaller heatsinks (right in the photo).

s19-95-th-s-se-lisi-od-s19-j-pro-a-s19-pro-110-th

What is the effect of this difference?

First, we can recall series 17 where ASIC The T17 had 30 chips and the S17 had 48 chips, and the manufacturer installed lower quality chips in the latter, which affected the percentage of defective units and the frequency of their repairs. For the ANTMINER S19 J with a performance of 104 terahas, it is only 9 more, but there are half as many chips. These chips operate at a lower frequency and there are suspicions that the manufacturer is using lower quality chips or a lower quality assembly. This can be estimated from our own defect statistics as well as experience with the company's Series 19 repair PCPRAHA, whose engineers note a much higher percentage of defective boards in the s19 J and s19 PRO models compared to the s19 95 and T19, as well as much poorer repairability.

Second, the s19 J and s19 PRO boards overheat more often in the summer months (operating at 85 degrees and higher on the chips), which is due to the higher heat capacity of the board. More chips means more heat sources. You might not notice the difference in the winter, but you will definitely notice it in the summer. Finally, the more chips you have on a board, the more likely it is to fail because there is more room for potential failure.

Also, remember that the PRO version has better consumption compared to the non-PRO version, and the J version is for export to other countries, not Europe.

Do not underestimate the efficiency and specific requirements of individual versions when choosing ASICu for cryptocurrency mining. It is important to consider all factors such as performance, quality, thermal stability and more.

In conclusion, we would PCPRAHA wanted to recommend to buy ASICy S19 90 TH, because they are an order of magnitude more reliable than any modifications. In addition, the firmware for overclocking these devices is expected to be released soon, which will make it possible to reduce the difference in terahasshes compared to the Antminer s19 J and S19 PRO.

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