In depth comparison and review of OPPO R9 Plus and Xiaomi MI A1. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 163.1 mm | 155.4 mm | OPPO R9 Plus has greater height than Xiaomi MI A1. |
| Width | 80.8 mm | 75.8 mm | OPPO R9 Plus has greater width than Xiaomi MI A1. |
| Depth | 7.4 mm | 7.3 mm | Xiaomi MI A1 is narrower than OPPO R9 Plus. |
| Weight | 185 g | 165 g | Xiaomi MI A1 is lighter than OPPO R9 Plus. |
| Body Colour | Gold | Black | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.76 W/kg (body), 1.75 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | LTPS IPS | |
| Screen Size (Display Size) | 6" | 5.5" | OPPO R9 Plus has larger screen size than Xiaomi MI A1. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1920 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD | Full HD | |
| Pixel Density | 367 ppi | 403 ppi | Xiaomi MI A1 has better pixel density than OPPO R9 Plus. |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | 2.5D curved glass | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Processor Number | MSM8976 | - | |
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 510 | Qualcomm ADRENO 506 |
| MEMORY | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9 Plus has more internal memory than Xiaomi MI A1. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 12 Megapixel | OPPO R9 Plus has better camera resolution than Xiaomi MI A1. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/2.2 | OPPO R9 Plus has better lens aperture than OPPO R9 Plus. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR, Beautify 3.0 | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Panorama, Continuous shot, low-light shots | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p), 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.6 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | OPPO R9 Plus has better front camera resolution than Xiaomi MI A1. |
| Lens Aperture (Front) | F/2.0 | - | |
| Camera Modes (Front) | - | Beautify with 36 smart beauty profiles | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A1 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) | |
| Camera Features (Front) | - | Self-timer |
| BATTERY AND CHARGING | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Battery Capacity (Battery Size) | 4120 mAh | 3080 mAh | OPPO R9 Plus has larger battery capacity than Xiaomi MI A1. |
|---|---|---|---|
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.0 (based on Android 5.1) | Google Android | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 4.2 | |
| Bluetooth Profiles | - | HID | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, XviD, MPEG-4, M4V | |
| Sound Enhancements | - | Dirac HD Sound |
| FEATURES | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Active noise-cancellation | Noise suppression by Fortemedia |
| OTHERS | OPPO R9 Plus | Xiaomi MI A1 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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