key specs |
Display | 6.68-inch | 6.67-inch |
Processor | Qualcomm Snapdragon 4 Gen 2 | MediaTek Dimensity 1200 |
Front Camera | 8-megapixel | 16-megapixel |
Rear Camera | 50-megapixel + 2-megapixel | 64-megapixel + 8-megapixel + 2-megapixel |
RAM | 8GB | 6GB |
Storage | 128GB, 256GB | 128GB |
Battery Capacity | 6500mAh | 5065mAh |
OS | Android 15 | Android 11 |
Resolution | 1608x720 pixels | 1080x2400 pixels |
general |
Brand | Vivo | Xiaomi |
Model | Y39 5G | Redmi K40 Gaming Edition |
Release date | March 27, 2025 | April 27, 2021 |
AI Enabled | Yes | - |
Launched in India | Yes | No |
Form factor | Touchscreen | Touchscreen |
Dimensions (mm) | 165.70 x 76.30 x 8.28 | - |
Weight (g) | 205.00 | 205.00 |
IP rating | IP64 | - |
Battery capacity (mAh) | 6500 | 5065 |
Removable battery | No | - |
Fast charging | 44W Flash Charge | Proprietary |
Colours | Lotus Purple, Ocean Blue | Black, Sliver, White |
Thickness | - | 8.3 |
display |
Refresh Rate | 120 Hz | - |
Screen size (inches) | 6.68 | 6.67 |
Touchscreen | Yes | Yes |
Resolution | 1608x720 pixels | 1080x2400 pixels |
Pixels per inch (PPI) | 264 | - |
hardware |
Processor | octa-core (2x2.2GHz + 6x1.95GHz) | octa-core |
Processor make | Qualcomm Snapdragon 4 Gen 2 | MediaTek Dimensity 1200 |
RAM | 8GB | 6GB |
Internal storage | 128GB, 256GB | 128GB |
Expandable storage | No | - |
Expandable storage type | No | - |
Dedicated microSD slot | No | - |
camera |
Rear camera | 50-megapixel (f/1.8) + 2-megapixel (f/2.4) | 64-megapixel (f/1.65) + 8-megapixel + 2-megapixel |
No. of Rear Cameras | 2 | 3 |
Rear flash | Yes | Yes |
Front camera | 8-megapixel (f/2.0) | 16-megapixel |
No. of Front Cameras | 1 | 1 |
Rear autofocus | - | Yes |
Pop-Up Camera | - | No |
software |
Operating system | Android 15 | Android 11 |
Skin | Funtouch OS 15 | MIUI 12.5 |
connectivity |
Wi-Fi | Yes | Yes |
GPS | Yes | Yes |
Bluetooth | Yes, v 5.00 | Yes, v 5.10 |
NFC | No | Yes |
USB OTG | Yes | - |
USB Type-C | Yes | Yes |
FM | No | - |
Number of SIMs | 2 | 2 |
Active 4G on both SIM cards | Yes | - |
Wi-Fi standards supported | - | 802.11 a |
sim 1 |
SIM Type | Nano-SIM | Nano-SIM |
GSM/CDMA | GSM + CDMA | GSM |
4G/ LTE | Yes | Yes |
5G | Yes | Yes |
3G | - | Yes |
sim 2 |
SIM Type | Nano-SIM | Nano-SIM |
4G/ LTE | Yes | Yes |
5G | Yes | Yes |
GSM/CDMA | - | GSM |
3G | - | Yes |
sensors |
Compass/ Magnetometer | Yes | - |
Proximity sensor | Yes | Yes |
Accelerometer | Yes | Yes |
Ambient light sensor | Yes | Yes |
Gyroscope | Yes | Yes |
Fingerprint sensor | - | Yes |