Samsung Galaxy S26 512GB vs Oppo K15

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Samsung Galaxy S26 512GB

Samsung Galaxy S26 512GB

$1,100

12 GB RAM 512 GB

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Oppo K15

Oppo K15

$419

12 GB RAM 256 GB

Galaxy S26 512GBK15
PriceUSD 1,100USD 419
Battery4300 mAh8000 mAh
Charging (W)2580
RAM12 GB12 GB
Storage512 GB256 GB
ChipsetQualcomm Snapdragon 8 Elite Gen 5 for GalaxyMediaTek Dimensity 7360 Super
Display6.3" • Dynamic LTPO AMOLED 2X • 120Hz6.59" • AMOLED (flexible) • 120Hz
Main Camera50MP50MP
Front Camera12MP50MP
OSAndroid 16Android 16

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Key Differences

Only the differences that meaningfully separate these phones.

Price
USD 680.99 cheaper
vsGalaxy S26 512GBUSD 1,100
Storage
2× more storage
vsK15256 GB
Battery
86% larger battery
vsGalaxy S26 512GB4,300 mAh
Charging
55 W faster wired charging
vsGalaxy S26 512GB25 W wired
Performance
Different chipsets
vsK15MediaTek Dimensity 7360 Super
Display
Larger display
vsGalaxy S26 512GB6.3-inch
Build
38 g lighter
vsK15205 g

Best For

Where each phone stands out based on this comparison.

Best if you want

Samsung Galaxy S26 512GB

More compact
More storage512 GB
Lighter build167 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 S26 512GB vs Oppo K15

Oppo K15 has the larger display and faster wired charging than Galaxy S26 512GB, with a 8000 mAh battery versus 4300 mAh, a 6.59 inch display versus 6.3 inch, and 80 W wired charging versus 25 W. It also adds a higher-resolution front camera (50 MP versus 12 MP). Samsung Galaxy S26 512GB, however, is lighter at 167 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 main trade-off is K15’s faster charging, battery capacity, larger display, and higher-resolution front camera versus Galaxy S26 512GB’s higher quoted peak brightness and lighter, thinner build.