Samsung Galaxy S25 512GB vs Samsung Galaxy A18

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Samsung Galaxy S25 512GB

Samsung Galaxy S25 512GB

$959

12 GB RAM 512 GB

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Samsung Galaxy A18

Samsung Galaxy A18

$255

4 GB RAM 128 GB

Galaxy S25 512GBGalaxy A18
PriceUSD 959USD 255
Battery4000 mAh5000 mAh
Charging (W)2525
RAM12 GB4 GB
Storage512 GB128 GB
ChipsetQualcomm Snapdragon 8 Elite for GalaxyMediaTek Helio G99+
Display6.2" • Dynamic LTPO AMOLED 2X • 120Hz6.7" • Super AMOLED • 90Hz
Main Camera50MP50MP
Front Camera12MP13MP
OSAndroid 15Android 17

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Key Differences

Only the differences that meaningfully separate these phones.

Price
USD 704 cheaper
vsGalaxy S25 512GBUSD 959
RAM
3× more RAM
vsGalaxy A184 GB RAM
Storage
4× more storage
vsGalaxy A18128 GB
Battery
25% larger battery
vsGalaxy S25 512GB4,000 mAh
Performance
Different chipsets
vsGalaxy A18MediaTek Helio G99+
Display
Larger display
vsGalaxy S25 512GB6.2-inch
Display
120 Hz refresh
vsGalaxy A1890 Hz

Best For

Where each phone stands out based on this comparison.

Best if you want

Samsung Galaxy S25 512GB

More hardware
More RAM and storage12 GB RAM · 512 GB
Up to 120 Hz display6.2-inch
Best if you want

Samsung Galaxy A18

More hardware
Much lower purchase priceUSD 255
Larger battery5,000 mAh
Larger 6.7-inch6.7-inch

What CompareTab says about Samsung Galaxy S25 512GB vs Samsung Galaxy A18

Samsung Galaxy S25 512GB has more RAM and storage than Galaxy A18, with 12 GB of RAM versus 4 GB, 512 GB of storage versus 128 GB, and a 120 Hz display instead of 90 Hz. It also adds optical image stabilization on the main camera and a telephoto rear camera. Samsung Galaxy A18, however, is around $704 cheaper and has a larger 5000 mAh battery versus 4000 mAh and a larger 6.7 inch display. The choice comes down to Galaxy S25 512GB’s extra RAM, storage, smoother display, and OIS-equipped camera setup versus Galaxy A18’s lower price, larger battery, and larger display.