According to
Samsung parts Canda [esourceparts.ca] providers few differences have between samsung s8 and s8 plus. first of all you can see the size difference. the s8 measures 140.1x72.2x7.3mm while s8 plus have measures 152.4 x 78.5 x 7.9mm.secondly The Samsung Galaxy S8 features a 5.8-inch display, while the S8+ has a 6.2-inch screen. other than Same processor, same RAM, same storage options.