Apple iPhone 12 Pro vs Apple iPhone 18 Pro

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Apple iPhone 12 Pro

Apple iPhone 12 Pro

$999

6 GB RAM 128 GB

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Apple iPhone 18 Pro

Apple iPhone 18 Pro

$1,199

12 GB RAM 256 GB

iPhone 12 ProiPhone 18 Pro
PriceUSD 999USD 1,199
Battery2815 mAh4056 mAh
Charging (W)20N/A
RAM6 GB12 GB
Storage128 GB256 GB
ChipsetApple A14 BionicApple A20 Pro
Display6.1" • Super Retina XDR OLED • 60Hz6.3" • OLED • 120Hz
Main Camera12MP48MP
Front Camera12MP18MP
OSiOS 14.1iOS 27

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Key Differences

Only the differences that meaningfully separate these phones.

Price
USD 200 cheaper
vsiPhone 18 ProUSD 1,199
RAM
2× more RAM
vsiPhone 12 Pro6 GB RAM
Storage
2× more storage
vsiPhone 12 Pro128 GB
Battery
44% larger battery
vsiPhone 12 Pro2,815 mAh
Performance
Different chipsets
vsiPhone 18 ProApple A20 Pro
Display
Larger120Hz
vsiPhone 12 Pro6.1″ · 60Hz
Build
22 g lighter
vsiPhone 18 Pro211 g

Best For

Where each phone stands out based on this comparison.

Best if you want

Apple iPhone 12 Pro

Lower price
Much lower purchase priceUSD 999
Lighter build189 g
Smaller 6.1-inch display6.1″
Best if you want

Apple iPhone 18 Pro

More hardware
More RAM and storage12 GB RAM · 256 GB
Larger battery4,056 mAh
Larger 120Hz display6.3″ · 120Hz

What CompareTab says about Apple iPhone 12 Pro vs Apple iPhone 18 Pro

Apple iPhone 18 Pro has clear advantages in memory, battery capacity and display refresh rate over iPhone 12 Pro, with 12 GB of RAM versus 6 GB, 256 GB of storage versus 128 GB, a 4056 mAh battery versus 2815 mAh, and a 120 Hz display instead of 60 Hz. It also adds a higher-resolution rear camera (48 MP versus 12 MP) and a higher-resolution front camera (18 MP versus 12 MP). Apple iPhone 12 Pro, however, is around $200 cheaper, lighter at 189 g versus 211 g, and thinner at 7.4 mm versus 8.75 mm. The choice comes down to iPhone 18 Pro’s extra RAM, storage, battery capacity, smoother display, and higher-resolution cameras versus iPhone 12 Pro’s lower price and lighter, thinner build.