In depth comparison and review of OPPO R9s and Xiaomi Redmi 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 R9s | Xiaomi Redmi A1 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 153 mm | 164.9 mm | Xiaomi Redmi A1 has greater height than OPPO R9s. |
| Width | 74.3 mm | 76.75 mm | Xiaomi Redmi A1 has greater width than OPPO R9s. |
| Depth | 6.58 mm | 9.09 mm | OPPO R9s is narrower than OPPO R9s. |
| Weight | 145 g | 192 g | OPPO R9s is lighter than OPPO R9s. |
| Body Colour | Red | Black | Rose gold | 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 R9s | Xiaomi Redmi A1 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.52" | Xiaomi Redmi A1 has larger screen size than OPPO R9s. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | OPPO R9s 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 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9s | Xiaomi Redmi A1 |
|---|
| Processor Type (CPU) | Qualcomm | MediaTek Helio A22 | |
|---|---|---|---|
| Processor Number | MSM8953 | - | |
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | Quad-core | OPPO R9s has higher processor core quantity than Xiaomi Redmi A1. |
| 64-bit Architecture | Yes | - | OPPO R9s has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | OPPO R9s | Xiaomi Redmi A1 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 2 GB | OPPO R9s has more RAM than Xiaomi Redmi A1. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9s has more internal memory than Xiaomi Redmi A1. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO R9s | Xiaomi Redmi A1 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 8 Megapixel | OPPO R9s has better camera resolution than Xiaomi Redmi A1. |
| Sensor Size | 1/2.8" | - | |
| Sensor Name | Sony Exmor RS IMX398 sensor | - | |
| Lens Aperture | F/1.7 | F/2.0 | OPPO R9s has better lens aperture than OPPO R9s. |
| Focus Adjustment | Automatic | - | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama, low-light shots, GIF animation function | Time-lapse mode, portrait mode, Short video mode | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) | 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 R9s has better front camera resolution than Xiaomi Redmi A1. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO R9s has better front lens aperture than OPPO R9s. |
| Special Effects (Front) | Beautify 4.0 | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| 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 R9s | Xiaomi Redmi A1 |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | 5000 mAh | Xiaomi Redmi A1 has larger battery capacity than OPPO R9s. |
|---|---|---|---|
| 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 |
| CELLULAR | OPPO R9s | Xiaomi Redmi 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 6.0.1) | Android 12 (Go edition) | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO R9s | Xiaomi Redmi A1 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 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 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | - | 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/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO R9s | Xiaomi Redmi A1 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP | - |
| FEATURES | OPPO R9s | Xiaomi Redmi A1 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance sensor | Accelerometer | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Glove and Wet Touchscreen Operation | Fast Charging |
| OTHERS | OPPO R9s | Xiaomi Redmi A1 |
|---|
| Included Accessories | Headset, USB cable, power adapter | USB cable, SIM card removal tool, 10W charger |
|---|
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