Oppo A91
$319
Overview
Oppo A91 is a mid-range Android smartphone released in 2019 with a 6.4-inch AMOLED, MediaTek Helio P70 chipset, 48 main camera, and 4025 mAh battery.
The device runs ColorOS with features like MariSilicon. Priced at $319, it targets users seeking mid-range performance.
Specifications of Oppo A91
The display of Oppo A91 measures 6.4 inches with AMOLED technology. Peak brightness reaches 430 nits for excellent outdoor visibility. The screen renders at 1080x2400 pixels resolution.
The camera system of Oppo A91 features 4 rear cameras: 48 main, 8MP ultrawide. Video recording supports up to 1080p.
The battery of Oppo A91 has 4025mAh capacity with 20 wired charging. A full charge takes approximately 90 min minutes.
The performance of Oppo A91 is powered by the MediaTek Helio P70 chipset with ARM Mali-G72 MP3 GPU. Geekbench scores reach 350 single-core and 1300 multi-core. AnTuTu benchmark achieves 151661.
The memory of Oppo A91 offers 8GB RAM with 128GB storage options. RAM uses LPDDR4X technology. Storage is 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM.
The connectivity of Oppo A91 includes Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, and Bluetooth 4.2.
The build of Oppo A91 weighs 172g with Plastic frame and Plastic back. Dimensions measure 160.2 x 73.3 x 7.9 mm.
The software of Oppo A91 runs Android 9.0 (Pie), upgradable to Android 11, ColorOS 11 with ColorOS. Software support extends 2 years through 2028.
Compare Oppo A91
Frequently Asked Questions about Oppo A91
Yes, Oppo A91 is good for photography with its 48 camera. It handles everyday photography well with solid detail and color accuracy.
Oppo A91 with MediaTek Helio P70 can handle casual gaming. For intensive gaming, consider phones with flagship chipsets.
Oppo A91 receives 2 years of updates through 2028. Consider this when planning long-term device usage.
Oppo A91 has a 4025mAh battery. This provides full-day battery life with typical usage patterns.
Oppo A91 at $319 is a mid-range device. It's worth buying if you prioritize balanced performance and value.
Oppo A91 supports 20 wired charging with full charge in approximately 90 min minutes.
Oppo A91 is available in 128GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Oppo A91 has a 6.4-inch AMOLED with 60Hz refresh rate and 430 nits peak brightness. HDR support includes No.
Oppo A91 in Category Rankings
See how Oppo A91 ranks in these categories:
Verdict
The Oppo A91 delivers solid value for budget-conscious users who need reliable performance. The phone excels in versatile camera system. Select this phone for reliable daily use, if you seek good value without compromising on essential features.
Key Specifications
Display
6.4"
Main Camera
48
Chipset
MediaTek Helio P70
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / LTE |
| 2G Bands | GSM / |
| 3G Bands | HSDPA 850 / 1700(AWS) / 1900 / 2100 - International |
| 4G LTE Bands | LTE |
| 5G Sub-6 Bands | N/A |
| 5G mmWave Bands | N/A |
| Speed | N/A |
| Carrier Aggregation | 4G LTE |
| SIM | Nano-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | N/A |
Launch
| Announced | 2019 |
| Status | available |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $238.71 |
Body & Design
| Dimensions (mm) | 160.2 x 73.3 x 7.9 mm |
| Weight (g) | 172 |
| Build Materials | Glass |
| Frame | Plastic |
| Back Finish | Plastic |
| Colors | ["Lightening Black", "Unicorn White", "Blazing Blue", "Red"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | Passive Cooling |
| Notification/Alert | |
| Haptics | Basic Vibration |
Display
| Panel Type | AMOLED |
| Size (inches) | 6.4 |
| Resolution (px) | 1080x2400 pixels |
| Aspect Ratio | 9:20 |
| Pixel Density (ppi) | 411 |
| Screen-to-body Ratio (%) | 84 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 180 |
| Peak Brightness (nits) | 430 |
| HDR Standards | |
| Color Gamut | sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | 240 |
| Glass Protection | Corning Gorilla Glass v5 |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | Android 9.0 (Pie), upgradable to Android 11, ColorOS 11 |
| Update Policy | 2 years |
| Chipset | MediaTek Helio P70 |
| CPU | 4x Cortex • A73 2.1 GHz + 4x Cortex • A53 1.95 GHz |
| GPU | ARM Mali-G72 MP3 |
| NPU/AI TOPs | 0.3 TOPS |
| ISP Features | Basic ISP |
| Modem | MediaTek Helio P70 |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | 350 |
| Geekbench Multi-Core | 1300 |
| AnTuTu Score | 151661 |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 8GB |
| RAM Type | LPDDR4X |
| Storage | 128GB |
| Storage Type | 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Storage Speed | UFS 2.1 |
| Expandable Storage | microSDXC (dedicated slot) |
| Slot Type | microSD |
| USB OTG | |
| Filesystem Encryption |
Main Camera System
| Rear Cameras | 4 |
| Main Sensor | 48 |
| Main Sensor Size | 1/2.0" |
| Main Sensor Model | Samsung ISOCELL GM1 |
| Main Lens | f/1.8, 26mm |
| OIS | |
| Autofocus | PDAF |
| Pixel Binning | 1.12µm |
| Ultrawide | 8MP, FOV: 120° |
| Telephoto | N/A |
| Macro | 2 |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | 1080p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.264, H.265 |
| Slow Motion | 720p@120fps |
| Video Stabilization | |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | 16 |
| Sensor Size | 1/3.1 |
| Aperture | f/2.0 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | Screen flash |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 2D |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | AAC, aptX |
| DAC/Amp | Built-in DAC |
Connectivity
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Wi-Fi Features | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 4.2 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS, GLONASS, BDS |
| Dual-Band GNSS | |
| FM Radio | |
| USB | USB Type C |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | Fingerprint (Under Display, Optical) |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | Basic |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 4025 |
| Type | Li-Po |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 20 |
| Wired Standard | VOOC Flash Charge |
| 0-50% Time (mins) | 30 min |
| Full Charge Time | 90 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | |
| Battery Health Features | 500 charge cycles |
Software
| OS at Launch | Android 9.0 (Pie), upgradable to Android 11, ColorOS 11 |
| Update Window | 2 years |
| UI Skin / Launcher | ColorOS |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | Basic privacy |
| Accessibility | Standard Android |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | Phone, charger, cable, case, manual |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!