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Xiaomi 15 Ultra vs Redmi 6 comparison

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key specs
Display
6.73-inch5.45-inch
Processor
Snapdragon 8 EliteMediaTek Helio P22
Front Camera
32-megapixel 5-megapixel
Rear Camera
50-megapixel + 50-megapixel + 200-megapixel + 50-megapixel 12-megapixel + 5-megapixel
RAM
16GB3GB
Storage
512GB32GB
Battery Capacity
5410mAh3000mAh
OS
Android 15Android 8.1 Oreo
Resolution
3200x1440 pixels720x1440 pixels
general
Brand
XiaomiXiaomi
Model
15 UltraRedmi 6
Release date
February 27, 2025June 1, 2018
AI Enabled
Yes-
Form factor
TouchscreenTouchscreen
Dimensions (mm)
161.30 x 75.30 x 9.35147.50 x 71.50 x 8.30
Weight (g)
226.00146.00
IP rating
IP68-
Battery capacity (mAh)
54103000
Fast charging
90W Fast Charging-
Wireless charging
YesNo
Wireless Charging Type
80W-
Launched in India
-Yes
Body type
-Plastic
Removable battery
-No
Colours
-Lake Blue, Gold, Rose Gold, Black
display
Refresh Rate
120 Hz-
Screen size (inches)
6.735.45
Touchscreen
YesYes
Resolution
3200x1440 pixels720x1440 pixels
Protection type
Other-
Aspect ratio
-18:9
Pixels per inch (PPI)
-295
hardware
Processor
4.32 MHz octa-core2GHz octa-core (8x2GHz)
Processor make
Snapdragon 8 EliteMediaTek Helio P22 (MT6762)
RAM
16GB3GB
Internal storage
512GB32GB
Expandable storage
-Yes
Expandable storage type
-microSD
Expandable storage up to (GB)
-256
Dedicated microSD slot
-Yes
camera
Rear camera
50-megapixel (f/1.63) + 50-megapixel (f/1.8) + 200-megapixel (f/2.6) + 50-megapixel (f/2.2)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel
No. of Rear Cameras
4-
Rear flash
YesLED
Front camera
32-megapixel (f/2.0)5-megapixel (f/2.2, 1.12-micron)
No. of Front Cameras
1-
Lens Type (Second Rear Camera)
Telephoto-
Lens Type (Third Rear Camera)
Telephoto-
Lens Type (Fourth Rear Camera)
Ultra Wide-Angle-
Rear autofocus
-Phase detection autofocus
Front flash
-No
software
Operating system
Android 15Android 8.1 Oreo
Skin
HyperOS 2.0MIUI 9.6
connectivity
Wi-Fi 7
Yes-
Wi-Fi
YesYes
Wi-Fi standards supported
802.11 ax802.11 b/g/n
GPS
YesYes
Bluetooth
Yes, v 5.40Yes, v 4.20
NFC
YesNo
Infrared
YesNo
USB Type-C
YesNo
Number of SIMs
22
USB OTG
-Yes
Micro-USB
-Yes
Headphones
-3.5mm
FM
-Yes
Active 4G on both SIM cards
-Yes
sim 1
SIM Type
Nano-SIMNano-SIM
GSM/CDMA
GSMGSM
3G
YesYes
4G/ LTE
YesYes
5G
Yes-
sim 2
SIM Type
Nano-SIMNano-SIM
GSM/CDMA
GSMGSM
3G
YesYes
4G/ LTE
YesYes
5G
Yes-
sensors
In-Display Fingerprint Sensor
Yes-
Compass/ Magnetometer
YesYes
Proximity sensor
YesYes
Accelerometer
YesYes
Ambient light sensor
YesYes
Gyroscope
YesNo
Barometer
Yes-
Face unlock
-Yes
3D face recognition
-No
Fingerprint sensor
-Yes
ratings
Overall NDTV Rating
-Read Review
Design Rating
-
Display Rating
-
Software Rating
-
Performance Rating
-
Battery Life Rating
-
Camera Rating
-
Value for Money Rating
-
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