vivo T4 vs vivo Y31 5G: Price, Specs & Features Comparison
Launch Date
April 29, 2025 (Official)
September 13, 2025 (Official)
Operating System(OS)
Android v15
Android v15
Security Updates
3 Years
-
Custom UI
Funtouch OS
Funtouch OS
Bluetooth
Yes, v5.2
Yes, v4.2
Near Field Communication
No
No
Video Recording Features
4k @30 fps
Full HD @30 fps
Full HD @30 fps
Flash
Yes, LED Flash
Yes, LED Flash + Aura Light
Image Resolution
8150 x 6150 Pixels
8150 x 6150 Pixels
Settings
ISO control
Exposure compensation, ISO control
Shooting Modes
Continuous Shooting
High Dynamic Range mode (HDR)
SuperMoon
Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features
Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus
Camera
50 MP + 2 MP
50 MP + 0.08 MP
Display Type
AMOLED (Curved Display)
LCD
Screen Size
6.77 inches (17.2 cm)
6.68 inches (16.97 cm)
Resolution
1080x2392 px (FHD+)
720x1608 px (HD+)
Peak Brightness
5000 nits
1000 nits
HBM Brightness
1300 nits
1000 nits
Refresh Rate
120 Hz
120 Hz
Pixel Density
388 ppi
264 ppi
Screen to Body Ratio (calculated)
88.64 %
84.2 %
Bezel-less Display
Yes with punch-hole display
Yes with punch-hole display
Height
163.4 mm
166.14 mm
Thickness
7.89 mm
8.39 mm
Weight
199 grams
209 grams
Build Material
Back: Plastic
Back: Plastic
Water Resistance
Yes, Splash proof, IP65
Yes, Water resistant, IP68, IP69, (up to 30 minutes in a depth of 1.5 meter)
Ruggedness
Dust proof
Dust proof, Shock proof
SIM 2
5G bands, 4G bands Expand
5G bands, 4G bands Expand
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
GPS
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
SIM Slot(s)
Dual SIM
Dual SIM
SIM Type
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)
Network Support
5G, 4G
5G, 4G
SIM 1
5G bands, 4G bands Expand
5G bands, 4G bands Expand
Capacity
7300 mAh
6500 mAh
Battery Type
Li-ion
Li-ion
Quick Charging
Yes, 90W Flash Charging, 50% in 33 minutes
Yes, 44W Flash Charging, 50% in 38 minutes
Reverse Charging
Yes, 7.5W Reverse Charging
Yes
Battery Life (PC Mark)
18h 01m
-
Charging Time (20% to 100%)
45m
-
Internal Storage
128 GB / 256 GB
128 GB
Storage Type
UFS 2.2
eMMC 5.1
Expandable Storage
No
Yes, Up to 2 TB
Fingerprint Sensor
Yes
Yes
Fingerprint Sensor Position
On-screen
Side
Fingerprint Sensor Type
Optical
-
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer
Processor
Qualcomm Snapdragon 7s Gen 3
Qualcomm Snapdragon 4 Gen 2
RAM & Storage
8 GB RAM + 128 GB
8 GB RAM + 256 GB
12 GB RAM + 256 GB
4 GB RAM + 128 GB
6 GB RAM + 128 GB
Display
6.77", 1080 x 2392 Resolution
6.68", 720 x 1608 Resolution
