Qualcomm's Snapdragon 888 runs pretty hot, even wildly so under some circumstances on some phones. The Snapdragon 865/865+/870 family doesn't have this problem, on the other hand. If you were expecting the next generation of Qualcomm's top of the line chipsets to be cooler than the 888, well, you might be in for a surprise. According to a rumor out of China, the first testing of samples using Samsung's 4nm litography shows a 20% improvement in performance for the upcoming chip, which has the model number SM8450 and may be branded as either Snapdragon 895 or 898... or who knows what else....
Source: https://www.gsmarena.com/qualcomms_upcoming_snapdragon_895_898_tests_show_20_performance_improvement-news-50497.php
