Product
Oppo A3
Oppo A3
Xiaomi Mi 2
Xiaomi Mi 2
Battery
Charging 45W wired, PD2.0, 50% in 30 min -
Type 5100 mAh Removable Li-Ion 2000 mAh battery
Body
Dimensions 165.7 x 76 x 7.7 mm (6.52 x 2.99 x 0.30 in) 126 x 62 x 10.2 mm (4.96 x 2.44 x 0.40 in)
SIM Nano-SIM + Nano-SIM Mini-SIM
Weight 187 g (6.60 oz) 145 g (5.11 oz)
  IP54 dust protected and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions -
Comms
Bluetooth 5.3, A2DP, LE 4.0, A2DP
NFC No -
Positioning GPS, GALILEO, GLONASS, BDS, QZSS GPS, A-GPS, GLONASS
Radio No FM radio
USB USB Type-C 2.0, OTG microUSB 2.0 (MHL TV-out), OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Display
Protection Panda glass -
Resolution 720 x 1604 pixels, 20:9 ratio (~264 ppi density) 720 x 1280 pixels, 16:9 ratio (~342 ppi density)
Size 6.67 inches, 107.2 cm2 (~85.2% screen-to-body ratio) 4.3 inches, 51.0 cm2 (~65.2% screen-to-body ratio)
Type IPS LCD, 120Hz, 1000 nits (HBM) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2024, August 20 2012, August. Released 2012, November
Status Available. Released 2024, August 20 Discontinued
Main Camera
Dual 50 MP, f/1.8, (wide), PDAF Auxiliary lens -
Features LED flash, HDR, panorama LED flash, HDR
Single - 8 MP, f/2.0, 27mm (wide), AF
Video 1080p@30/60fps 1080p@30fps
Memory
Card slot microSDXC No
Internal 128GB 4GB RAM, 128GB 6GB RAM, 256GB 6GB RAM, 256GB 8GB RAM 16GB 2GB RAM, 32GB 2GB RAM
  eMMC 5.1 -
Misc
Colors Ocean Blue, Nebula Red White, green, blue, red
Models CPH2683, CPH2693 -
SAR 1.05 W/kg (head)     0.78 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 40, 41 -
5G bands 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps
Technology GSM / HSPA / LTE / 5G GSM / HSPA
Platform
Chipset Mediatek Dimensity 6300 (6 nm) Qualcomm APQ8064 Snapdragon S4 Pro
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Quad-core 1.5 GHz Krait
GPU Mali-G57 MC2 Adreno 320
OS Android 14, ColorOS 14 Android 4.1 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 5
Selfie camera
Single 5 MP, f/2.2, (wide) 2 MP
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes