Redmi 15 5G vs Oppo A57 5G comparison

Show Only Differences Highlight Differences	Redmi 15 5G	Oppo A57 5G
key specs
Display	6.90-inch	6.56-inch
Front Camera	8-megapixel	8-megapixel
Rear Camera	50-megapixel	13-megapixel + 2-megapixel
RAM	6GB, 8GB	6GB, 8GB
Storage	128GB, 256GB	128GB
Battery Capacity	7000mAh	5000mAh
OS	Android 15	Android 12
Resolution	1080x2340 pixels	720x1612 pixels
Processor	-	MediaTek Dimensity 810
general
Brand	Redmi	Oppo
Model	15 5G	A57 5G
Release date	August 19, 2025	April 1, 2022
AI Enabled	Yes	-
Launched in India	Yes	No
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	168.48 x 80.45 x 8.40	163.80 x 75.10 x 7.99
Weight (g)	217.00	186.00
IP rating	IP64	-
Battery capacity (mAh)	7000	5000
Fast charging	33W Fast Charging	-
Colours	Frosted White, Midnight Black, Sandy Purple	Black, Blue, Lilac
display
Refresh Rate	144 Hz	90 Hz
Resolution Standard	FHD+	HD+
Screen size (inches)	6.90	6.56
Touchscreen	Yes	Yes
Resolution	1080x2340 pixels	720x1612 pixels
Pixels per inch (PPI)	374	269
hardware
Processor make	Qualcomm Snapdragon 6s Gen 3	MediaTek Dimensity 810
RAM	6GB, 8GB	6GB, 8GB
Internal storage	128GB, 256GB	128GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
camera
Rear camera	50-megapixel (f/1.75)	13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras	2	2
Rear flash	Yes	Yes
Front camera	8-megapixel (f/2.2)	8-megapixel (f/2.0)
No. of Front Cameras	1	1
Rear autofocus	-	Yes
software
Operating system	Android 15	Android 12
Skin	HyperOS 2.0	ColorOS 12.1
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.20
Infrared	Yes	-
USB Type-C	Yes	Yes
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
Headphones	-	3.5mm
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	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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