Product
Vivo iQOO U5x
Vivo iQOO U5x
Samsung Galaxy J4
Samsung Galaxy J4
Battery
Charging 10W wired -
Music play - Up to 80 h
Talk time - Up to 20 h (3G)
Type 5000 mAh Li-Ion 3000 mAh, removable
Body
Build Glass front, plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 164 x 75.2 x 8.3 mm (6.46 x 2.96 x 0.33 in) 151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in)
SIM Nano-SIM + Nano-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 179 g (6.31 oz) 175 g (6.17 oz)
Comms
Bluetooth 5.0, A2DP, LE, aptX Adaptive 4.2, A2DP, LE
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GLONASS, BDS
Radio No FM radio
USB microUSB 2.0 microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Size 6.51 inches, 102.3 cm2 (~83.0% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~71.2% screen-to-body ratio)
Type IPS LCD Super AMOLED
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Accelerometer, proximity
Launch
Announced 2022, March 28 2018, May. Released 2018, May
Status Available. Released 2022, March 28 Discontinued
Main Camera
Dual 13 MP, f/2.2, (wide), AF 2 MP, f/2.4, (macro) -
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single - 13 MP, f/1.9, 28mm (wide), AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 128GB 4GB RAM, 128GB 8GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
  UFS 2.2 eMMC 5.0
Misc
Colors Dark Blue, Light Blue Black, Gold, Orchid Gray
Models V2180GA SM-J400G, SM-J400F, SM-J400M
SAR - 0.36 W/kg (head)     1.49 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 5, 7, 8, 20, 38, 40 - India, Pakistan
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / CDMA / HSPA / CDMA2000 / LTE GSM / HSPA / LTE
  CDMA2000 1x HSDPA 850 / 900 / 2100 - India, Pakistan
Platform
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Exynos 7570 Quad (14 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 Mali-T720 MP2
OS Android 11, OriginOS Ocean Android 8.0 (Oreo)
Selfie camera
Features - LED flash
Single 8 MP, f/2.0 5 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes