If we just stay in 2015 territory then the design of the S6 is uncannily similar to the iPhone 6.
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Beyond that you have the aptly named Samsung Pay (Apple's version is called Apple Pay).
The box and accessory design
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The fingerprint scanner setup
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The stock keyboard
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Samsung Wallet
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The headphones
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And now this wonderful video. Don't forget that's just recently..
If you dont know what you are talking about then sshhhhh
The design is not Samsung ripping of Apple. Apple totally shameless took most from samsungs 2012 Samsung Ativ and called it iPhone 6
The same with EarPods. Apple copied them to from Samsung. They had those in 2010