Detailed comparison and review of OPPO R9 and Xiaomi Redmi A1. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 164.9 mm | Xiaomi Redmi A1 has greater height than OPPO R9. |
| Width | 74.3 mm | 76.75 mm | Xiaomi Redmi A1 has greater width than OPPO R9. |
| Depth | 6.6 mm | 9.09 mm | OPPO R9 is narrower than OPPO R9. |
| Weight | 145 g | 192 g | OPPO R9 is lighter than OPPO R9. |
| Body Colour | Gold | Light green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.997 W/kg (body), 0.846 W/kg (head), 2.541 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Screen Size (Display Size) | 5.5" | 6.52" | Xiaomi Redmi A1 has larger screen size than OPPO R9. |
|---|---|---|---|
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | OPPO R9 has better screen resolution than Xiaomi Redmi A1. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Night light screen, Dot Drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | MediaTek Helio A22 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | Quad-core | OPPO R9 has higher processor core quantity than Xiaomi Redmi A1. |
| Graphics System (GPU) | Mali T860 MP2 | - |
| MEMORY | OPPO R9 | Xiaomi Redmi A1 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 2 GB | OPPO R9 has more RAM than Xiaomi Redmi A1. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9 has more internal memory than Xiaomi Redmi A1. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO R9 | Xiaomi Redmi A1 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 8 Megapixel | OPPO R9 has better camera resolution than Xiaomi Redmi A1. |
| Lens Aperture | F/2.2 | F/2.0 | Xiaomi Redmi A1 has better lens aperture than OPPO R9. |
| Focus Adjustment | Automatic | - | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Time-lapse mode, portrait mode, Short video mode | |
| Face Recognition (Face ID) | Face detection | - | OPPO R9 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | AI Dual camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | OPPO R9 has better front camera resolution than Xiaomi Redmi A1. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO R9 has better front lens aperture than OPPO R9. |
| Camera Modes (Front) | - | Beautify | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | AI Selfie |
| BATTERY AND CHARGING | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Battery Capacity (Battery Size) | 2850 mAh | 5000 mAh | Xiaomi Redmi A1 has larger battery capacity than OPPO R9. |
|---|---|---|---|
| Standby Time | - | 746 hours | |
| Talk Time | - | 1800 minutes | |
| Run Time Details | - | Talk: up to 1800 min Standby: up to 746 hrs Playback (video): up to 22 hrs Playback (Music): up to 161 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | 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) | Android 12 (Go edition) | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - |
| FEATURES | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Active noise-cancellation | Fast Charging |
| OTHERS | OPPO R9 | Xiaomi Redmi A1 |
|---|
| Included Accessories | Power adapter | USB cable, SIM card removal tool, 10W charger |
|---|
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