Product
Vivo T2x
Vivo T2x
Samsung Galaxy J7 Pro
Samsung Galaxy J7 Pro
Battery
Charging 44W wired -
Music play - Up to 91 h
Talk time - Up to 24 h (3G)
Type 6000 mAh Li-Ion 3600 mAh, non-removable
Body
Build Glass front, plastic frame, plastic back Glass front, aluminum back, aluminum frame
Dimensions 163.9 x 75.3 x 9.2 mm (6.45 x 2.96 x 0.36 in) 152.5 x 74.8 x 8 mm (6.00 x 2.94 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 202.8 g (7.16 oz) 181 g (6.38 oz)
Comms
Bluetooth 5.2, A2DP, LE, aptX HD 4.1, A2DP, LE
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GLONASS, BDS
Radio No 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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2408 pixels, 20:9 ratio (~401 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~73.1% screen-to-body ratio)
Type IPS LCD, 144Hz, 650 nits (HBM) Super AMOLED
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
  - ANT+
Launch
Announced 2022, May 30 2017, June. Released 2017, July
Status Available. Released 2022, May 31 Discontinued
Main Camera
Dual 50 MP, f/1.8, 26mm (wide), PDAF 2 MP, f/2.4, (macro) -
Features Dual-LED dual-tone flash, HDR, panorama LED flash, panorama, HDR
Single - 13 MP, f/1.7, 27mm (wide), AF
Video 4K@30fps, 1080p@30/60fps, gyro-EIS 1080p@30fps
Memory
Card slot No microSDXC (dedicated slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM
  UFS 3.1 eMMC 5.1
Misc
Colors Black, Blue Black, Blue, Gold, Rose Gold
Models - SM-J730G, SM-J730GM
SAR - 0.71 W/kg (head)    
SAR EU - 0.57 W/kg (head)     1.33 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66
5G bands 1, 5, 8, 28, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE
  CDMA2000 1x -
Our Tests
Audio quality - Noise -92.7dB / Crosstalk -92.4dB
Battery (old) - Endurance rating 107h
Camera - Photo / Video
Display - Contrast ratio: Infinite (nominal), 3.998 (sunlight)
Loudspeaker - Voice 68dB / Noise 69dB / Ring 82dB
Performance - GeekBench: 3768 (v4.4) GFXBench: 1.9fps (ES 3.1 onscreen)
Platform
Chipset Mediatek Dimensity 1300 (6 nm) Exynos 7870 Octa (14 nm)
CPU Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core 1.6 GHz Cortex-A53
GPU Mali-G77 MC9 Mali-T830 MP1
OS Android 12, OriginOS 2.0 Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI
Selfie camera
Features - LED flash
Single 16 MP, f/2.0, (wide) 13 MP, f/1.9, 28mm (wide), 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes