Xiaomi 15 Ultra vs Xiaomi Redmi K20 comparison 2x4d2e

Show Only Differences Highlight Differences	Xiaomi 15 Ultra	Xiaomi Redmi K20
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.73-inch	6.39-inch
Processor	Snapdragon 8 Elite	Qualcomm Snapdragon 730
Front Camera	32-megapixel	20-megapixel
Rear Camera	50-megapixel + 50-megapixel + 200-megapixel + 50-megapixel	48-megapixel + 8-megapixel + 13-megapixel
RAM	16GB	6GB
Storage	512GB	64GB
Battery Capacity	5410mAh	4000mAh
OS	Android 15	Android Pie
Resolution	3200x1440 pixels	1080x2340 pixels
general
Brand	Xiaomi	Xiaomi
Model	15 Ultra	Redmi K20
Release date	February 27, 2025	May 28, 2019
AI Enabled	Yes	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	161.30 x 75.30 x 9.35	156.70 x 74.30 x 8.80
Weight (g)	226.00	191.00
IP rating	IP68	-
Battery capacity (mAh)	5410	4000
Fast charging	90W Fast Charging	Proprietary
Wireless charging	Yes	-
Wireless Charging Type	80W	-
Launched in India	-	Yes
Body type	-	Glass
Colours	-	Carbon Black, Glacier Blue, Flame Red
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.73	6.39
Touchscreen	Yes	Yes
Resolution	3200x1440 pixels	1080x2340 pixels
Protection type	Other	Gorilla Glass
Aspect ratio	-	19.5:9
Pixels per inch (PPI)	-	403
hardware
Processor	4.32 MHz octa-core	1.8GHz octa-core (6x1.8GHz + 2x2.2GHz)
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 730
RAM	16GB	6GB
Internal storage	512GB	64GB
Expandable storage	-	No
Dedicated microSD slot	-	No
camera
Rear camera	50-megapixel (f/1.63) + 50-megapixel (f/1.8) + 200-megapixel (f/2.6) + 50-megapixel (f/2.2)	48-megapixel (f/1.75, 1.6-micron) + 8-megapixel (f/2.4, 1.12-micron) + 13-megapixel (f/2.4, 1.12-micron)
No. of Rear Cameras	4	-
Rear flash	Yes	Yes
Front camera	32-megapixel (f/2.0)	20-megapixel (f/2.2, 0.8-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	-	Yes
Pop-Up Camera	-	Yes
Front flash	-	No
software
Operating system	Android 15	Android Pie
Skin	HyperOS 2.0	MIUI 10
connectivity
Wi-Fi 7	Yes	-
Wi-Fi	Yes	Yes
Wi-Fi standards ed	802.11 ax	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.00
NFC	Yes	No
Infrared	Yes	Yes
USB Type-C	Yes	Yes
Number of SIMs	2	2
Headphones	-	3.5mm
Wi-Fi Direct	-	Yes
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sensors
In-Display Fingerprint Sensor	Yes	-
Com/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	Yes	-
Face unlock	-	Yes
Fingerprint sensor	-	Yes

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