ASUS Zenfone 12 Ultra
$1,142
ASUS Zenfone 12 Ultra vs Oppo K15
Oppo K15
$419
| Zenfone 12 Ultra | K15 | |
|---|---|---|
| Price | USD 1,142 | USD 419 |
| Battery | 5500 mAh | 8000 mAh |
| Charging (W) | 65 | 80 |
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Chipset | Qualcomm Snapdragon 8 Elite SM8750-AB | MediaTek Dimensity 7360 Super |
| Display | 6.78" • Samsung E6 Flexible LTPO AMOLED • 144Hz | 6.59" • AMOLED (flexible) • 120Hz |
| Main Camera | 50MP | 50MP |
| Front Camera | 32MP | 50MP |
| OS | Android 15 | Android 16 |
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Key Differences
Only the differences that meaningfully separate these phones.
Price
USD 723 cheaper
K15USD 419
vsZenfone 12 UltraUSD 1,142
Battery
45% larger battery
K158,000 mAh
vsZenfone 12 Ultra5,500 mAh
Charging
15 W faster wired charging
K1580 W wired
vsZenfone 12 Ultra65 W wired
Performance
Different chipsets
Zenfone 12 UltraQualcomm Snapdragon 8 Elite SM8750-AB
vsK15MediaTek Dimensity 7360 Super
Display
Larger144Hz
Zenfone 12 Ultra6.78″ · 144Hz
vsK156.59″ · 120Hz
Build
15 g lighter
K15205 g
vsZenfone 12 Ultra220 g
Build
More compact thickness
K158.27 mm
vsZenfone 12 Ultra8.9 mm
Best For
Where each phone stands out based on this comparison.
Best if you want
Larger 144Hz displayASUS Zenfone 12 Ultra
Larger 144Hz display6.78″ · 144Hz
Best if you want
More hardwareOppo K15
Much lower purchase priceUSD 419
Larger battery8,000 mAh
Faster wired charging80 W wired
Lighter build205 g
What CompareTab says about ASUS Zenfone 12 Ultra vs Oppo K15
Oppo K15 offers a larger battery and faster wired charging than Zenfone 12 Ultra, with a 8000 mAh battery versus 5500 mAh and 80 W wired charging versus 65 W. It also adds a higher-resolution front camera (50 MP versus 32 MP). ASUS Zenfone 12 Ultra, however, has a larger 6.78 inch display and higher quoted peak brightness at 2500 nits versus 1200 nits. The main trade-off is K15’s faster charging, battery capacity, and higher-resolution front camera versus Zenfone 12 Ultra’s larger display and higher quoted peak brightness.
