Product
Oppo A54 5G
Oppo A54 5G
Vivo Y31 (2015)
Vivo Y31 (2015)
Battery
Charging 10W wired -
Type Li-Po 5000 mAh 2100 mAh, removable
Body
Dimensions 162.9 x 74.7 x 8.4 mm (6.41 x 2.94 x 0.33 in) 137.2 x 68.8 x 8.4 mm (5.40 x 2.71 x 0.33 in)
SIM Nano-SIMNano-SIM + Nano-SIM Dual SIM
Weight 190 g (6.70 oz) 137 g (4.83 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 4.0, A2DP
NFC Yes (market/region dependent) No
Positioning GPS, GLONASS, 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 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) 720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Size 6.5 inches, 102.0 cm2 (~83.8% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio)
Type IPS LCD, 90Hz, 480 nits (typ) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity, compass
Launch
Announced 2021, April 14 2015, September. Released 2015, October
Status Available. Released 2021, April 14 Discontinued
Main Camera
Features LED flash, panorama LED flash, HDR
Quad 48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Single - 8 MP
Video 1080p@30fps, gyro-EIS 720p@30fps
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM 8GB 1GB RAM
  UFS 2.1 (single lane) -
Misc
Colors Fluid Black, Fantastic Purple, Space Silver White, Black
Models CPH2195, OPG02 Y31L, Y31
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 -
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA
Technology GSM / HSPA / LTE / 5G GSM / HSPA
Platform
Chipset Qualcomm SM4350 Snapdragon 480 5G (8 nm) Mediatek MT6580 (28 nm)
CPU Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460) Quad-core 1.3 GHz Cortex-A7
GPU Adreno 619 Mali-400MP2
OS Android 11, ColorOS 11.1 Android 5.1 (Lollipop), Funtouch 2.1
Selfie camera
Features Panorama -
Single 16 MP, f/2.0, 26mm (wide) 2 MP
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes