Redmi K90 Ultra vs Xiaomi 15
Specs compared side by side, measured on real phones shared by owners with the Device Info app.
Key differences
- 1Screen: 6.8 inches on the Redmi K90 Ultra, 6.4 inches on the Xiaomi 15. Up to 165 Hz on the Redmi K90 Ultra, 120 Hz on the Xiaomi 15.
- 2Battery: 8,550 mAh on the Redmi K90 Ultra, 5,240 mAh on the Xiaomi 15.
- 3Versions: owners have shared the Redmi K90 Ultra as 16GB | 256GB, the Xiaomi 15 as 12GB | 512GB.
The same on both: the Snapdragon 8 Elite chip, Android 16, Wi-Fi 7, NFC and Widevine L1.
Chipset
Chipset
Snapdragon 8 EliteSnapdragon 8 EliteProcess
3 nm TSMC N3E3 nm TSMC N3E
CPU
2× 4.32 GHz Oryon V2 Phoenix L
6× 3.53 GHz Oryon V2 Phoenix M2× 4.32 GHz Oryon V2 Phoenix L
6× 3.53 GHz Oryon V2 Phoenix M
6× 3.53 GHz Oryon V2 Phoenix M2× 4.32 GHz Oryon V2 Phoenix L
6× 3.53 GHz Oryon V2 Phoenix M
Top CPU speed
4.32 GHz4.32 GHz
CPU cores
88
GPU
Adreno 830Adreno 830
Memory
Versions seen
16GB | 256GB12GB | 512GB
RAM type
LPDDR5XLPDDR5X
Storage type
UFS 4.0UFS 4.0
Display
Size
6.8 in6.4 in
Resolution
1280 × 27721200 × 2670
Pixel density
447 ppi460 ppi
Refresh rates
165 Hzalso 60, 120, 144120 Hzalso 24, 30, 40, 60, 90
HDR
Dolby Vision, HDR10, HDR10+, HLGDolby Vision, HDR10, HDR10+, HLG
Battery
Capacity
8,550 mAh5,240 mAh
Cameras
Back camera
12.6 MP4096 × 3072 · f/1.68 · 5.85 mm · OIS12.6 MP4096 × 3072 · f/1.62 · 6.55 mm · OIS
Front camera
5 MP2592 × 1944 · f/2.2 · 2.24 mm8 MP3264 × 2448 · f/2 · 2.83 mm
Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.
Connectivity
Wi-Fi
Wi-Fi 7Wi-Fi 7
6 GHz Wi-Fi
YesYes
Bluetooth LE Audio
NoYes
NFC
YesYes
UWB
NoNo
USB host
YesYes
Software
Android
Android 16Android 16
Released with
Android 16Android 15
Widevine DRM
L1L1
Sensors
Sensors
80 sensors80 sensors
These two phones have the same specs in every row.
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