Product
Vivo iQOO U5x
Vivo iQOO U5x
Samsung Galaxy J7 Max
Samsung Galaxy J7 Max
Battery
Charging 10W wired -
Music play - Up to 72 h
Talk time - Up to 20 h (3G)
Type 5000 mAh Li-Ion 3300 mAh, non-removable
Body
Build Glass front, plastic back, plastic frame Glass front, aluminum/plastic back, aluminum frame
Dimensions 164 x 75.2 x 8.3 mm (6.46 x 2.96 x 0.33 in) 156.7 x 78.8 x 8.1 mm (6.17 x 3.10 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 179 g (6.31 oz) 179 g (6.31 oz)
Comms
Bluetooth 5.0, A2DP, LE, aptX Adaptive 4.2, A2DP, LE
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GLONASS
Radio No FM radio
USB microUSB 2.0 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, dual-band, Wi-Fi Direct
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Size 6.51 inches, 102.3 cm2 (~83.0% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~72.5% screen-to-body ratio)
Type IPS LCD PLS
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2022, March 28 2017, June. Released 2017, June
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/1.7, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 128GB 4GB RAM, 128GB 8GB RAM 32GB 4GB RAM
  UFS 2.2 -
Misc
Colors Dark Blue, Light Blue Black, Gold
Models V2180GA SM-G615F, SM-G615FU
SAR - 0.57 W/kg (head)     1.06 W/kg (body)    
SAR EU - 0.46 W/kg (head)     1.52 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 / 1900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 5, 8, 20, 40
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 -
Our Tests
Performance - GeekBench: 3509 (v4.4) GFXBench: 4fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Mediatek MT6757 Helio P20 (16 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)
GPU Adreno 610 Mali-T880MP2
OS Android 11, OriginOS Ocean Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo)
Selfie camera
Features - LED flash
Single 8 MP, f/2.0 13 MP, f/1.9, 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes