Xiaomi MIX Flip 2 vs Xiaomi Redmi K90 Ultra

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Xiaomi MIX Flip 2

Xiaomi MIX Flip 2

$835

12 GB RAM 256 GB

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Xiaomi Redmi K90 Ultra

Xiaomi Redmi K90 Ultra

$420

16 GB RAM 512 GB

MIX Flip 2Redmi K90 Ultra
PriceUSD 835USD 420
Battery5165 mAh8550 mAh
Charging (W)67100
RAM12 GB16 GB
Storage256 GB512 GB
ChipsetQualcomm Snapdragon 8 EliteQualcomm Snapdragon 8 Elite
Display6.86" • Foldable LTPO AMOLED • 120Hz6.83" • AMOLED gaming display • 165Hz
Main Camera50MP50MP
Front Camera32MP20MP
OSAndroid 15Android 16

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Key Differences

Only the differences that meaningfully separate these phones.

Price
USD 415 cheaper
vsMIX Flip 2USD 835
RAM
4 GB more RAM
vsMIX Flip 212 GB RAM
Storage
2× more storage
vsMIX Flip 2256 GB
Battery
66% larger battery
vsMIX Flip 25,165 mAh
Charging
33 W faster wired charging
vsMIX Flip 267 W wired
Display
165 Hz refresh
vsMIX Flip 2120 Hz
Build
28 g lighter
vsRedmi K90 Ultra227 g

Best For

Where each phone stands out based on this comparison.

Best if you want

Xiaomi MIX Flip 2

More compact
Lighter build199 g
Best if you want

Xiaomi Redmi K90 Ultra

More hardware
Much lower purchase priceUSD 420
More RAM and storage16 GB RAM · 512 GB
Larger battery8,550 mAh
Faster wired charging100 W wired

What CompareTab says about Xiaomi MIX Flip 2 vs Xiaomi Redmi K90 Ultra

Xiaomi Redmi K90 Ultra has clear advantages in memory, battery capacity and display refresh rate over MIX Flip 2, with 16 GB of RAM versus 12 GB, 512 GB of storage versus 256 GB, a 8550 mAh battery versus 5165 mAh, and a 165 Hz display instead of 120 Hz. It also adds 100W charging. Xiaomi MIX Flip 2, however, is lighter at 199 g versus 227 g and thinner at 7.57 mm versus 8.18 mm and has a higher-resolution 32 MP front camera. The main trade-off is the Redmi K90 Ultra’s extra RAM, storage, faster charging, battery capacity, and smoother display versus the MIX Flip 2’s lighter, thinner build and higher-resolution front camera.