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key specs | ||||
Display | 6.88-inch | 5.00-inch | ||
Processor | Qualcomm Snapdragon 4s Gen 2 | Qualcomm Snapdragon 615 | ||
Front Camera | 5-megapixel | 5-megapixel | ||
Rear Camera | 50-megapixel + Unspecified | 13-megapixel | ||
RAM | 4GB | 2GB | ||
Storage | 64GB, 128GB | 16GB | ||
Battery Capacity | 5160mAh | 3000mAh | ||
OS | Android 14 | Android 5.0.2 | ||
Resolution | 720x1640 pixels | 1080x1920 pixels | ||
general | ||||
Brand | Redmi | Obi Worldphone | ||
Model | A4 5G | SF1 | ||
Release date | November 20, 2024 | August 1, 2015 | ||
Launched in India | Yes | - | ||
Dimensions (mm) | 171.88 x 77.80 x 8.22 | 146.00 x 74.00 x 8.00 | ||
Weight (g) | 212.35 | 147.00 | ||
IP rating | IP52 | - | ||
Battery capacity (mAh) | 5160 | 3000 | ||
Removable battery | No | No | ||
Wireless charging | No | - | ||
Colours | Sparkling Purple, Starry Bllack | Black | ||
Form factor | - | Touchscreen | ||
SAR value | - | 0.23 | ||
display | ||||
Refresh Rate | 120 Hz | - | ||
Resolution Standard | HD+ | - | ||
Screen size (inches) | 6.88 | 5.00 | ||
Touchscreen | Yes | Yes | ||
Resolution | 720x1640 pixels | 1080x1920 pixels | ||
Pixels per inch (PPI) | - | 443 | ||
hardware | ||||
Processor | octa-core | 1.5GHz octa-core | ||
Processor make | Qualcomm Snapdragon 4s Gen 2 | Qualcomm Snapdragon 615 | ||
RAM | 4GB | 2GB | ||
Internal storage | 64GB, 128GB | 16GB | ||
Expandable storage | Yes | Yes | ||
Expandable storage type | microSD | microSD | ||
Expandable storage up to (GB) | 1-24 | 64 | ||
Dedicated microSD slot | Yes | - | ||
camera | ||||
Rear camera | 50-megapixel (f/1.8) + Unspecified | 13-megapixel | ||
No. of Rear Cameras | 2 | - | ||
Front camera | 5-megapixel (f/2.2) | 5-megapixel | ||
No. of Front Cameras | 1 | - | ||
Rear flash | - | LED | ||
Front flash | - | LED | ||
software | ||||
Operating system | Android 14 | Android 5.0.2 | ||
Skin | HyperOS | Obi Lifespeed | ||
connectivity | ||||
Wi-Fi | Yes | Yes | ||
Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n | ||
GPS | Yes | Yes | ||
Bluetooth | Yes, v 5.00 | Yes, v 4.00 | ||
USB Type-C | Yes | - | ||
Number of SIMs | 2 | 2 | ||
Active 4G on both SIM cards | Yes | - | ||
NFC | - | No | ||
Infrared | - | No | ||
USB OTG | - | Yes | ||
Headphones | - | 3.5mm | ||
FM | - | Yes | ||
Wi-Fi Direct | - | Yes | ||
Mobile High-Definition Link (MHL) | - | No | ||
sim 1 | ||||
SIM Type | Nano-SIM | Micro-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 | No | ||
5G | Yes | - | ||
ratings | ||||
Overall NDTV Rating | - | Read Review | ||
Design Rating | - | |||
Display Rating | - | |||
Software Rating | - | |||
Performance Rating | - | |||
Battery Life Rating | - | |||
Camera Rating | - | |||
Value for Money Rating | - | |||
sensors | ||||
Compass/ Magnetometer | - | Yes | ||
Proximity sensor | - | Yes | ||
Accelerometer | - | Yes | ||
Ambient light sensor | - | Yes | ||
Gyroscope | - | Yes | ||
Barometer | - | No | ||
Temperature sensor | - | No |