Product
Oppo F31 Pro+
Oppo F31 Pro+
Oppo A77 (Mediatek)
Oppo A77 (Mediatek)
Battery
Charging 80W wired, 13.5W PD, 44W UFCS, 33W PPS, 42% in 20 min 10W reverse wired -
Type Si/C Li-Ion 7000 mAh Li-Ion 3200 mAh, non-removable
Body
Dimensions 163.1 x 77.6 x 7.7 mm or 7.9 mm 153.3 x 75.2 x 7.3 mm (6.04 x 2.96 x 0.29 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 195 or 204 g (6.88 oz) 153 g (5.40 oz)
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions -
Comms
Bluetooth 5.2, A2DP, LE, aptX HD 4.0, A2DP
Infrared port Yes -
NFC No No
Positioning GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS GPS
Radio No No
USB USB Type-C 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Display
Protection AGC DT-Star D+ -
Resolution 1280 x 2800 pixels, 19.5:9 ratio (~453 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.8 inches, 112.8 cm2 (~89.1% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
Type AMOLED, 1B colors, 120Hz, 1600 nits (HBM) IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, proximity, compass
Launch
Announced 2025, September 16 2017, May. Released 2017, May
Status Available. Released 2025, September 16 Discontinued
Main Camera
Dual 50 MP, f/1.8, (wide), PDAF, OIS 2 MP, f/2.4, (depth) -
Features Color spectrum sensor, LED flash, HDR, panorama LED flash, HDR, panorama
Single - 13 MP, f/2.2, PDAF
Video 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS 1080p@30fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 256GB 8GB RAM, 256GB 12GB RAM 64GB 4GB RAM
UFS 3.1 eMMC 5.1
Misc
Colors Festival Pink, Himalayan White, Gemstone Blue Gold, Rose Gold, Black
Models CPH2757 -
SAR -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48 LTE
5G bands 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA, LTE
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
Platform
Chipset Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm) Mediatek MT6750T (28 nm)
CPU Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510) Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU Adreno 720 Mali-T860MP2
OS Android 15, ColorOS 15 Android 6 (Marshmallow), ColorOS 3
Selfie camera
Features Panorama -
Single 32 MP, f/2.4, (wide)
Video 1080p@30fps, gyro-EIS 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes, with stereo speakers Yes