Which has the better battery?

The iPhone 16 Plus. Apple rates it for up to 27 hours of video playback versus up to 20 hours on the iPhone 15.

Does the iPhone 15 run Apple Intelligence?

No. Apple Intelligence needs the A17 Pro or A18 chip, so the iPhone 15 with its A16 Bionic does not support it. The iPhone 16 Plus does.

Is the iPhone 16 Plus worth $25 more?

Yes for most shoppers. At $524.00 at Walmart versus $499.00 for the iPhone 15, you get a bigger screen, a newer chip, 8 GB RAM and Apple Intelligence.

Which is easier to carry?

The iPhone 15. It weighs 6.03 oz against 7.02 oz for the 16 Plus, and its 6.1-inch body fits most pockets and hands better.

Do both have the same cameras?

Both have a 48 MP main camera and a 12 MP ultra-wide. The 16 Plus adds a Camera Control button and the newer Photographic Styles.

Which holds its value longer?

The iPhone 16 Plus, because the newer chip and Apple Intelligence support keep it current for more iOS updates.

Apple iPhone 15 128GB vs Apple iPhone 16 Plus

Buy the iPhone 16 Plus if you want a bigger screen, longer battery life and Apple Intelligence support. Buy the iPhone 15 if you want a lighter phone that fits one hand and costs less. As of November 6, 2026, the iPhone 15 is $499.00 at Walmart and the iPhone 16 Plus is $524.00 at Walmart, a $25 gap.

Today the Apple iPhone 15 128GB costs $25.00 less at its best price.

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