In depth comparison and review of OPPO R7s and Xiaomi MI A2. 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 R7s | Xiaomi MI A2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 158.7 mm | Xiaomi MI A2 has greater height than OPPO R7s. |
| Width | 75.4 mm | 75.4 mm | Both phones are the same width |
| Depth | 7 mm | 7.3 mm | OPPO R7s is narrower than OPPO R7s. |
| Weight | 155 g | 168 g | OPPO R7s is lighter than OPPO R7s. |
| Body Colour | Rose gold | Black | Lake blue | Gold | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.066 W/kg (body), 0.799 W/kg (head) | 0.639 W/kg (body), 0.963 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R7s | Xiaomi MI A2 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | IPS | |
| Screen Size (Display Size) | 5.5" | 5.99" | Xiaomi MI A2 has larger screen size than OPPO R7s. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2160 x 1080 pixels | Xiaomi MI A2 has better screen resolution than OPPO R7s. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 403 ppi | Xiaomi MI A2 has better pixel density than OPPO R7s. |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Features | - | 2.5D curved glass | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | OPPO R7s | Xiaomi MI A2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Clock Speed | 1.5 GHz | 2.2 GHz | Xiaomi MI A2 has higher clock speed than OPPO R7s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | OPPO R7s | Xiaomi MI A2 |
|---|
| RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | OPPO R7s | Xiaomi MI A2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 20 Megapixel | Xiaomi MI A2 has better camera resolution than OPPO R7s. |
| Sensor Size | - | 1/2.8" | |
| Sensor Name | - | Sony Exmor RS IMX376 sensor | |
| Lens Aperture | F/2.2 | F/1.75 | Xiaomi MI A2 has better lens aperture than OPPO R7s. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Beautify 4.0 | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 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, 720 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.9" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX486 sensor | |
| Lens Aperture (2nd Camera) | - | F/1.75 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | Xiaomi MI A2 has better front camera resolution than OPPO R7s. |
| Sensor Name (Front) | - | Sony Exmor RS IMX376 sensor | |
| Lens Aperture (Front) | F/2.4 | F/2.2 | Xiaomi MI A2 has better front lens aperture than OPPO R7s. |
| Focus Adjustment | - | Automatic | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Camera Features (Front) | - | AI-powered portrait mode |
| BATTERY AND CHARGING | OPPO R7s | Xiaomi MI A2 |
|---|
| Battery Capacity (Battery Size) | 3070 mAh | 3010 mAh | OPPO R7s has larger battery capacity than Xiaomi MI A2. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A2 has fast charging technology. |
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | OPPO R7s | Xiaomi MI A2 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 2.1 (based on Android 5.1) | Android One | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R7s | Xiaomi MI A2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 4, Band 7, Band 17 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 2600, FDD 700b | FDD 2100, FDD 1900 PCS, 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 4.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R7s | Xiaomi MI A2 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | OPPO R7s | Xiaomi MI A2 |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, vibration sensor | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Noise Cancellation Technology | Wi-Fi Miracast, AI Engine |
| OTHERS | OPPO R7s | Xiaomi MI A2 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter |
|---|
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