OnePlus Ace 5 Ultra
$347
OnePlus Ace 5 Ultra vs Xiaomi Redmi K90 Ultra
Xiaomi Redmi K90 Ultra
$420
| Ace 5 Ultra | Redmi K90 Ultra | |
|---|---|---|
| Price | USD 347 | USD 420 |
| Battery | 6700 mAh | 8550 mAh |
| Charging (W) | 100 | 100 |
| RAM | 12 GB | 16 GB |
| Storage | 256 GB | 512 GB |
| Chipset | MediaTek Dimensity 9400+ | Qualcomm Snapdragon 8 Elite |
| Display | 6.83" • AMOLED • 144Hz | 6.83" • AMOLED gaming display • 165Hz |
| Main Camera | 50MP | 50MP |
| Front Camera | 16MP | 20MP |
| OS | Android 15 | Android 16 |
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Key Differences
Only the differences that meaningfully separate these phones.
Price
USD 73 cheaper
Ace 5 UltraUSD 347
vsRedmi K90 UltraUSD 420
RAM
4 GB more RAM
Redmi K90 Ultra16 GB RAM
vsAce 5 Ultra12 GB RAM
Storage
2× more storage
Redmi K90 Ultra512 GB
vsAce 5 Ultra256 GB
Battery
28% larger battery
Redmi K90 Ultra8,550 mAh
vsAce 5 Ultra6,700 mAh
Performance
Different chipsets
Ace 5 UltraMediaTek Dimensity 9400+
vsRedmi K90 UltraQualcomm Snapdragon 8 Elite
Display
165 Hz refresh
Redmi K90 Ultra165 Hz
vsAce 5 Ultra144 Hz
Build
21 g lighter
Ace 5 Ultra206 g
vsRedmi K90 Ultra227 g
Best For
Where each phone stands out based on this comparison.
Best if you want
Lower priceOnePlus Ace 5 Ultra
Much lower purchase priceUSD 347
Lighter build206 g
Best if you want
More hardwareXiaomi Redmi K90 Ultra
More RAM and storage16 GB RAM · 512 GB
Larger battery8,550 mAh
Up to 165 Hz display6.83-inch
What CompareTab says about OnePlus Ace 5 Ultra vs Xiaomi Redmi K90 Ultra
Xiaomi Redmi K90 Ultra has clear advantages in memory, battery capacity and display refresh rate over Ace 5 Ultra, with 16 GB of RAM versus 12 GB, 512 GB of storage versus 256 GB, a 8550 mAh battery versus 6700 mAh, and a 165 Hz display instead of 144 Hz. It also adds a higher-resolution front camera (20 MP versus 16 MP). OnePlus Ace 5 Ultra, however, is around $73.00 cheaper and lighter at 206 g versus 227 g. The main trade-off is Redmi K90 Ultra’s extra RAM, storage, battery capacity, smoother display, and higher-resolution front camera versus Ace 5 Ultra’s lower price and lighter build.
