Xiaomi Redmi Note 15 256GB
$299
Xiaomi Redmi Note 15 256GB vs Xiaomi Redmi K90 Ultra
Xiaomi Redmi K90 Ultra
$420
| Redmi Note 15 256GB | Redmi K90 Ultra | |
|---|---|---|
| Price | USD 299 | USD 420 |
| Battery | 6000 mAh | 8550 mAh |
| Charging (W) | 33 | 100 |
| RAM | 8 GB | 16 GB |
| Storage | 256 GB | 512 GB |
| Chipset | MediaTek Helio G100-Ultra | Qualcomm Snapdragon 8 Elite |
| Display | 6.77" • AMOLED • 120Hz | 6.83" • AMOLED gaming display • 165Hz |
| Main Camera | 108MP | 50MP |
| Front Camera | 20MP | 20MP |
| OS | Android 15 | Android 16 |
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Key Differences
Only the differences that meaningfully separate these phones.
Price
USD 121 cheaper
Redmi Note 15 256GBUSD 299
vsRedmi K90 UltraUSD 420
RAM
2× more RAM
Redmi K90 Ultra16 GB RAM
vsRedmi Note 15 256GB8 GB RAM
Storage
2× more storage
Redmi K90 Ultra512 GB
vsRedmi Note 15 256GB256 GB
Battery
43% larger battery
Redmi K90 Ultra8,550 mAh
vsRedmi Note 15 256GB6,000 mAh
Charging
67 W faster wired charging
Redmi K90 Ultra100 W wired
vsRedmi Note 15 256GB33 W wired
Performance
Different chipsets
Redmi Note 15 256GBMediaTek Helio G100-Ultra
vsRedmi K90 UltraQualcomm Snapdragon 8 Elite
Display
165 Hz refresh
Redmi K90 Ultra165 Hz
vsRedmi Note 15 256GB120 Hz
Best For
Where each phone stands out based on this comparison.
Best if you want
Lower priceXiaomi Redmi Note 15 256GB
Much lower purchase priceUSD 299
Best if you want
More hardwareXiaomi Redmi K90 Ultra
More RAM and storage16 GB RAM · 512 GB
Larger battery8,550 mAh
Faster wired charging100 W wired
Up to 165 Hz display6.83-inch
What CompareTab says about Xiaomi Redmi Note 15 256GB vs Xiaomi Redmi K90 Ultra
Xiaomi Redmi K90 Ultra offers more RAM, storage, battery capacity and a smoother display than Redmi Note 15 256GB, with 16 GB of RAM versus 8 GB, 512 GB of storage versus 256 GB, a 8550 mAh battery versus 6000 mAh, and a 165 Hz display instead of 120 Hz. It also adds optical image stabilization on the main camera, an ultrawide rear camera, and 100W charging. Xiaomi Redmi Note 15 256GB, however, is around $121 cheaper and lighter at 183.7 g versus 227 g. The main trade-off is the Redmi K90 Ultra’s extra RAM, storage, faster charging, battery capacity, and smoother display versus the Redmi Note 15 256GB’s lower price and lighter build.
