According to claims of Hi-Tech category of Russian ISP Mail.ru, Samsung Galaxy Tab has pverheating problems. This is a high end tablet device with AMOLED screen with resolution of 2560 x 1600 pixels.
Problems with overheating are cause by the built-in octa-core processor Exynos 5420 (it consists of four Cortax A-15 and four weaker Cortex A7 cores) which during highest system usage creates extreme heat. Often overheating of the device in the end causes bending of the back of the casing.
Expect the main processor, there are also problems with graphic processor Mali-T628 which due to more demanding screen heats up to higher temperatures more often.