Redmi 15 5G vs Vivo Z3x comparison

Show Only Differences Highlight Differences	Redmi 15 5G	Vivo Z3x
key specs
Display	6.90-inch	6.26-inch
Front Camera	8-megapixel	16-megapixel
Rear Camera	50-megapixel	13-megapixel + 2-megapixel
RAM	6GB, 8GB	4GB
Storage	128GB, 256GB	64GB
Battery Capacity	7000mAh	3260mAh
OS	Android 15	Android 9 Pie
Resolution	1080x2340 pixels	1080x2280 pixels
Processor	-	Qualcomm Snapdragon 660
general
Brand	Redmi	Vivo
Model	15 5G	Z3x
Release date	August 19, 2025	April 1, 2019
AI Enabled	Yes	-
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	168.48 x 80.45 x 8.40	154.81 x 75.03 x 7.89
Weight (g)	217.00	150.00
IP rating	IP64	-
Battery capacity (mAh)	7000	3260
Fast charging	33W Fast Charging	-
Colours	Frosted White, Midnight Black, Sandy Purple	Aurora, Hyun Red, Enamel Black
display
Refresh Rate	144 Hz	-
Resolution Standard	FHD+	-
Screen size (inches)	6.90	6.26
Touchscreen	Yes	Yes
Resolution	1080x2340 pixels	1080x2280 pixels
Pixels per inch (PPI)	374	-
Aspect ratio	-	19:9
hardware
Processor make	Qualcomm Snapdragon 6s Gen 3	Qualcomm Snapdragon 660
RAM	6GB, 8GB	4GB
Internal storage	128GB, 256GB	64GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
camera
Rear camera	50-megapixel (f/1.75)	13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	-
Rear flash	Yes	Yes
Front camera	8-megapixel (f/2.2)	16-megapixel (f/2.0)
No. of Front Cameras	1	-
Rear autofocus	-	Yes
software
Operating system	Android 15	Android 9 Pie
Skin	HyperOS 2.0	Funtouch OS 9
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes
Infrared	Yes	-
USB Type-C	Yes	-
Number of SIMs	2	2
USB OTG	-	Yes
Micro-USB	-	Yes
Headphones	-	3.5mm
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Face unlock	-	Yes
Ambient light sensor	-	Yes
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes

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