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The original was posted on /r/amdlaptops by /u/Legitimate-Try-8324 on 2023-09-05 23:01:15.

Last week i ordered the Slim 6 with the 7840U, 16 gb 6400MHz lpddr5 ram, and a 1920x1200 OLED 400 nits glossy display. Today I noticed the Yoga 7 Pro was on sale for almost the same price, with a seemingly better cpu (7840HS), more and faster ram (32gb lpddr5x), seemingly better build quality, and a slightly bigger battery (73 Whr vs. 65 Whr). This has made me consider returning the Slim 6 when it arrives (shipping process sadly began today, and I couldn’t cancel the order), and instead ordering the Yoga Pro 7.

The main reason i am considering ordering the Yoga Pro 7 instead is because of the ram upgrade, as the iGPU uses the system ram as vram, having more system ram with more bandwidth seems like it would be beneficial. I do intend to use it for some light-medium gaming from time to time, but I will mainly use the laptop as a school laptop (for this reason i do not want a dGPU). There are 2 things that make me consider if the Yoga Pro 7 would really be an upgrade for me: the higher TDP on the 7840HS vs the 7840U, and the 2.5k IPS matte 350 nits display (i know some people prefer matte coatings on their displays, I do not).

My questions are: does the 7840HS have about the same idle power draw as the 7840U, in other words, does the CPU only start drawing significantly more power under medium-heavy load? If yes, is it somehow possible to lower the TDP on a 7840HS to something more akin to the 7840U? Which laptop would generally be considered the better value for my use case? How big of an upgrade would the ram upgrade be? Any thoughts about the lower res OLED vs higher res but dimmer IPS display?