Samsung Galaxy S25 512GB vs Oppo K15

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Samsung Galaxy S25 512GB

Samsung Galaxy S25 512GB

$959

12 GB RAM 512 GB

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Oppo K15

Oppo K15

$419

12 GB RAM 256 GB

Galaxy S25 512GBK15
PriceUSD 959USD 419
Battery4000 mAh8000 mAh
Charging (W)2580
RAM12 GB12 GB
Storage512 GB256 GB
ChipsetQualcomm Snapdragon 8 Elite for GalaxyMediaTek Dimensity 7360 Super
Display6.2" • Dynamic LTPO AMOLED 2X • 120Hz6.59" • AMOLED (flexible) • 120Hz
Main Camera50MP50MP
Front Camera12MP50MP
OSAndroid 15Android 16

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Key Differences

Only the differences that meaningfully separate these phones.

Price
USD 540 cheaper
vsGalaxy S25 512GBUSD 959
Storage
2× more storage
vsK15256 GB
Battery
100% larger battery
vsGalaxy S25 512GB4,000 mAh
Charging
55 W faster wired charging
vsGalaxy S25 512GB25 W wired
Performance
Different chipsets
vsK15MediaTek Dimensity 7360 Super
Display
Larger display
vsGalaxy S25 512GB6.2-inch
Build
43 g lighter
vsK15205 g

Best For

Where each phone stands out based on this comparison.

Best if you want

Samsung Galaxy S25 512GB

More compact
More storage512 GB
Lighter build162 g
Best if you want

Oppo K15

More hardware
Much lower purchase priceUSD 419
Larger battery8,000 mAh
Faster wired charging80 W wired
Larger 6.59-inch6.59-inch

What CompareTab says about Samsung Galaxy S25 512GB vs Oppo K15

Oppo K15 has the larger display and faster wired charging than Galaxy S25 512GB, with a 8000 mAh battery versus 4000 mAh, a 6.59 inch display versus 6.2 inch, and 80 W wired charging versus 25 W. It also adds a higher-resolution front camera (50 MP versus 12 MP). Samsung Galaxy S25 512GB, however, is lighter at 162 g versus 205 g and thinner at 7.2 mm versus 8.27 mm, has higher quoted peak brightness at 2600 nits versus 1200 nits, and offers 512 GB of storage versus 256 GB. The choice comes down to K15’s faster charging, battery capacity, larger display, and higher-resolution front camera versus Galaxy S25 512GB’s higher quoted peak brightness and lighter, thinner build.