Product
Realme 2 Pro
Realme 2 Pro
Vivo Y31 (2015)
Vivo Y31 (2015)
Battery
Charging 10W wired -
Type Li-Ion 3500 mAh, non-removable 2100 mAh, removable
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame -
Dimensions 156.7 x 74 x 8.5 mm (6.17 x 2.91 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 174 g (6.14 oz) 137 g (4.83 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP
NFC No No
Positioning GPS GPS
Radio No FM radio
USB microUSB 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
Protection Corning Gorilla Glass 3 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) 720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Size 6.3 inches, 97.4 cm2 (~84.0% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, proximity, compass
Launch
Announced 2018, September. Released 2018, October 2015, September. Released 2015, October
Status Discontinued Discontinued
Main Camera
Dual 16 MP, f/1.7, 1/2.8", 1.12µm, PDAF 2 MP, (depth) -
Features LED flash, HDR, panorama LED flash, HDR
Single - 8 MP
Video 4K@30fps, 1080p@30fps, 720p@240fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 64GB 6GB RAM, 128GB 8GB RAM 8GB 1GB RAM
  eMMC 5.1 -
Misc
Colors Black, Deep Blue, Light Blue White, Black
Models RMX1801, RMX1807, RMX1803 Y31L, Y31
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 / 2100
4G bands 1, 3, 5, 7, 8, 20, 38, 40, 41 - Global -
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA
Technology GSM / HSPA / LTE GSM / HSPA
  1, 3, 5, 8, 34, 38, 40, 41 - India -
Our Tests
Audio quality Noise -93.3dB / Crosstalk -92.7dB -
Battery (old) Endurance rating 97h -
Camera Photo / Video -
Display Contrast ratio: 1755:1 (nominal), 3.235 (sunlight) -
Loudspeaker Voice 69dB / Noise 74dB / Ring 81dB -
Performance AnTuTu: 132958 (v7) GeekBench: 5531 (v4.4) GFXBench: 7.2fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Mediatek MT6580 (28 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Quad-core 1.3 GHz Cortex-A7
GPU Adreno 512 Mali-400MP2
OS Android 8.1 (Oreo), upgradable to Android 10, Realme UI Android 5.1 (Lollipop), Funtouch 2.1
Selfie camera
Features HDR -
Single 16 MP, f/2.0, 25mm (wide), 1/3.06", 1.0µm 2 MP
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes