The overall rating is based on review by our experts
| Basic Information | |
| Release Date | 10 Jul 2023 |
| Status | Available |
| Hardware & Software | |
| CPU | Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) |
| GPU | Adreno 610 |
| Chipset | Qualcomm SM6225 Snapdragon 680 4G (6 nm) |
| CPU Cores | 8 Cores |
| OS Version | Android 13 (upgradable to Android 14 / ColorOS 14) |
| Fabrication | 6 nm |
| Architecture | 64-bit |
| User Interface | ColorOS 13.1 |
| Operating System | Android |
| Performance Optimization | Dynamic Computing Engine, 48-Month Fluency Protection, RAM Expansion up to 8GB |
| Display | |
| Notch | Single punch-hole cutout (top-left) |
| Features | 90Hz refresh rate, 98% DCI-P3 color gamut, All-day AI Eye Care, Netflix HD & Amazon Prime Video HD certified |
| Brightness | 430 nits (typ), 600 nits (HBM) |
| Resolution | 1080 x 2400 pixels (FHD+) |
| HDR Support | No |
| Screen Size | 6.43 inches (99.8 cm²) |
| Aspect Ratio | 20:9 ratio |
| Display Type | AMOLED |
| Refresh Rate | 90Hz |
| Touch Screen | Capacitive touchscreen, Multi-touch, 180Hz touch sampling rate |
| Pixel Density | ~409 ppi density |
| Screen Protection | Corning Gorilla Glass 5 |
| Bezel-less Display | Yes with punch-hole cutout |
| Screen to Body Ratio | ~85.2% |
| Cameras | |
| OIS | No (Electronic Image Stabilization / EIS) |
| Zoom | Up to 10x digital zoom |
| Flash | LED Flash |
| Sensor | 50MP (f/1.8, 77° FOV, 1/2.76", PDAF) + 2MP Depth (f/2.4) |
| Aperture | f/1.8 (wide), f/2.4 (depth) |
| Settings | Exposure compensation, ISO control, White balance presets |
| Autofocus | Phase Detection Autofocus (PDAF) |
| Video FPS | 30 fps |
| Resolution | 50 MP (wide) + 2 MP (depth) |
| Camera Setup | AI Dual Camera Setup |
| Shooting Modes | 50MP Extra HD, Night Mode, Portrait, Time-lapse, Pro Mode, Panorama, Dual-View Video, Sticker |
| Camera Features | AI Portrait Retouching, Dual-View Video, Backlit HDR, Flash Snapshot |
| Video Recording | 1080p at 30fps, 720p at 30fps |
| Image Resolution | 8150 x 6150 pixels |
| Selfie Camera | |
| OIS | No |
| Sensor | 8MP (f/2.0, 26mm wide, 1/4.0", 1.12µm) |
| Aperture | f/2.0 (wide) |
| Autofocus | Fixed Focus |
| Video FPS | 30 fps |
| Resolution | 8 MP |
| Camera Setup | Single Camera Setup (Punch-hole) |
| Camera Features | AI Portrait Retouching, Selfie HDR, Screen Flash, Front Night Mode |
| Video Recording | 1080p at 30fps, 720p at 30fps |
| Design | |
| Build | Glass front (Gorilla Glass 5), diamond matrix / matte composite back, flat plastic frame |
| Width | 73.2 mm |
| Colors | Aqua Green, Mist Black |
| Height | 160.1 mm |
| Weight | 180 grams |
| IP Rating | IP54 (IPX4 / IP5X) |
| Thickness | 7.93 mm (Mist Black) / 7.99 mm (Aqua Green) |
| Ruggedness | Corning Gorilla Glass 5 front protection |
| Waterproof | IPX4 splash resistant, IP5X dust resistant |
| Battery | |
| Capacity | 5000 mAh non-removable |
| USB Type | USB Type-C 2.0 |
| Placement | Internal (Non-removable) |
| Battery Type | Li-Po (Lithium Polymer) |
| Quick Charging | 67W SUPERVOOC (43% in 15 min, 76% in 30 min, 100% in ~45 min) |
| Reverse Charging | Yes (Reverse wired charging) |
| Wireless Charging | No |
| Memory | |
| RAM | 8 GB |
| USB OTG | Yes |
| RAM Type | LPDDR4X |
| Card Slot | Dedicated microSDXC card slot (up to 1 TB) |
| Storage Type | UFS 2.2 |
| Internal Storage | 256 GB |
| Network & Connectivity | |
| GPS | GPS with A-GPS, GLONASS, GALILEO, BDS |
| NFC | Yes |
| USB | USB Type-C 2.0, USB OTG |
| EDGE | Yes |
| GPRS | Yes |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac (2.4GHz + 5GHz), dual-band, Wi-Fi Direct, Hotspot |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A |
| VoLTE | Yes |
| Network | 2G, 3G, 4G LTE |
| Infrared | No |
| SIM Size | Nano-SIM / Nano-SIM |
| SIM Slot | Dual Nano-SIM + dedicated microSD card slot |
| Bluetooth | Bluetooth 5.0, A2DP, LE |
| SAR Value | 1.04 W/kg (head), 0.85 W/kg (body) |
| Wi-Fi Hotspot | Yes |
| Sensors & Security | |
| Compass | Geomagnetic sensor |
| Barometer | No |
| Gyroscope | Yes (Hardware Gyroscope) |
| Face Unlock | Yes (AI Face Unlock) |
| Light Sensor | Ambient light sensor |
| Accelerometer | Yes |
| Proximity Sensor | Proximity sensor |
| Finger Sensor Type | Optical |
| Fingerprint Sensor | Yes (Optical in-display fingerprint sensor) |
| Finger Sensor Position | In-display (Under display) |
| Multimedia | |
| Video | 1080p at 30fps playback, MP4, MKV, AVI, 3GP |
| Audio Jack | 3.5 mm headphone jack |
| Loudspeaker | Yes (Dual stereo speakers) |
| Audio Features | Dual stereo speakers, Dirac audio tuning, Ultra Volume Mode (boost up to 200%), noise reduction microphone |
| More | |
| Made By | Oppo |
| Features | 67W SUPERVOOC Flash Charge, 6.43" 90Hz FHD+ AMOLED Display, In-Display Fingerprint Sensor, Dual Stereo Speakers with 200% Ultra Volume Mode, Diamond Matrix Design, 48-Month Fluency Protection, IP54 Splash & Dust Resistance |
The Oppo A78 (4G) delivers a premium balance of screen quality, rapid charging speeds, and ample storage for mid-range buyers in Bangladesh. Built with a slim 7.9mm flat-edge profile weighing 180 grams, the smartphone showcases Oppo's Diamond Matrix design on the Aqua Green variant and a refined matte satin texture on Mist Black, certified with IP54 dust and splash resistance. The front is dominated by a crisp 6.43-inch Full HD+ (1080 x 2400 pixels) AMOLED punch-hole display protected by Corning Gorilla Glass 5, supporting a smooth 90Hz refresh rate, 98% DCI-P3 color gamut, and an in-display optical fingerprint scanner. Under the hood, it is powered by Qualcomm's power-efficient 6nm Snapdragon 680 octa-core processor alongside 8GB of LPDDR4X RAM (expandable up to an additional 8GB via RAM Expansion) and a spacious 256GB of UFS 2.2 internal storage, expandable up to 1TB via its dedicated microSDXC card slot, certified with 48-Month Fluency Protection. Imaging is driven by an AI dual camera setup consisting of a 50MP primary sensor with PDAF and a 2MP depth sensor with Dual-View Video recording, accompanied by an 8MP punch-hole selfie camera. Its standout feature is the 5000 mAh battery powered by 67W SUPERVOOC charging that replenishes 76% charge in just 30 minutes. Completed with dual stereo speakers featuring 200% Ultra Volume Mode, NFC, a 3.5mm headphone jack, and ColorOS based on Android, the Oppo A78 delivers flagship-tier charging convenience and multimedia enjoyment.
