Well your new 1050ti is new (launched january 2017 I believe, while 690 is 5 years old), and only has one GPU (while 690 has two for the purpose of SLI, 690 without SLI is a waste) so it would be disastrous if the 1050ti didn't have much better heat management/efficiency per watt, seeing as it doesn't give that much better performance than the ... More @Wikipedia
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