Product
Vivo T1x 4G
Vivo T1x 4G
Samsung Galaxy J2 Pro (2018)
Samsung Galaxy J2 Pro (2018)
Battery
Charging 18W wired -
Music play - Up to 60 h
Talk time - Up to 18 h (3G)
Type 5000 mAh Li-Ion 2600 mAh, removable
Body
Build Glass front, plastic frame, plastic back Glass front (Gorilla Glass), plastic back
Dimensions 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) 143.8 x 72.3 x 8.4 mm (5.66 x 2.85 x 0.33 in)
SIM Nano-SIM + Nano-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 182 g (6.42 oz) 153 g (5.40 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GLONASS, BDS
Radio FM radio FM radio
USB USB Type-C, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass (unspecified version)
Resolution 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) 540 x 960 pixels, 16:9 ratio (~220 ppi density)
Size 6.58 inches, 104.3 cm2 (~83.4% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~66.3% screen-to-body ratio)
Type IPS LCD, 90Hz Super AMOLED
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Accelerometer, proximity
Launch
Announced 2022, April 26 2018, January. Released 2018, January
Status Available. Released 2022, April 26 Discontinued
Main Camera
Features LED flash, HDR LED flash, HDR, panorama
Single - 8 MP, f/2.2, AF
Triple 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth) 2 MP, f/2.4, (macro) -
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 8GB RAM 16GB 1.5GB RAM, 16GB 2GB RAM
  - eMMC 5.1
Misc
Colors Gravity Black, Space Blue Black, Gold, Blue, Pink
Models V2143 SM-J250F, SM-J250G, SM-J250F, SM-J250M, SM-J250Y
SAR - 0.51 W/kg (head)     1.20 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41 1, 3, 5, 7, 8, 20, 38, 40 - Asia, Russia
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  - 1, 5, 8, 38, 40 - India
Platform
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Quad-core 1.4 GHz Cortex-A53
GPU Adreno 610 Adreno 308
OS Android, Funtouch 12 Android 7.1 (Nougat), upgradable to Android 8.0 (Oreo)
Selfie camera
Features - LED flash
Single 8 MP, f/1.8, (wide) 5 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes