Xperia XZS vs XZ, display brightness

hi guys! i have a xperia XZ that i use mostly outdoor and i game on it too. Is the Xperia XZs really brighter than Xperia XZ with full brightness in MANUAL mode? thanks for answer. if you have both phones, can you verify that, its very important for me. Tell me if the difference is big or not.. Thanks A LOT for answer. its really appreciated

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