Product
Oppo A53s 5G
Oppo A53s 5G
Vivo Y31 (2015)
Vivo Y31 (2015)
Battery
Charging 10W wired -
Type Li-Po 5000 mAh 2100 mAh, removable
Body
Dimensions 164 x 75.7 x 8.4 mm (6.46 x 2.98 x 0.33 in) 137.2 x 68.8 x 8.4 mm (5.40 x 2.71 x 0.33 in)
SIM Nano-SIM + Nano-SIM Dual SIM
Weight 189.6 g (6.70 oz) 137 g (4.83 oz)
Comms
Bluetooth 5.0, A2DP, LE, aptX HD 4.0, A2DP
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS
Radio No FM radio
USB USB Type-C 2.0, OTG 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, hotspot
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~269 ppi density) 720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Size 6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio)
Type IPS LCD, 480 nits (typ) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity, compass
Launch
Announced 2021, April 27 2015, September. Released 2015, October
Status Available. Released 2021, May 07 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR
Single - 8 MP
Triple 13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Video 1080p@30fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM 8GB 1GB RAM
  UFS 2.2 -
Misc
Colors Crystal Blue, Ink Black White, Black
Models CPH2321 Y31L, Y31
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 800 / 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 -
5G bands 1, 28, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA
Technology GSM / HSPA / LTE / 5G GSM / HSPA
Platform
Chipset Mediatek Dimensity 700 (7 nm) Mediatek MT6580 (28 nm)
CPU Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Quad-core 1.3 GHz Cortex-A7
GPU Mali-G57 MC2 Mali-400MP2
OS Android 11, ColorOS 11.1 Android 5.1 (Lollipop), Funtouch 2.1
Selfie camera
Features HDR -
Single 8 MP, f/2.0, 26mm (wide) 2 MP
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes