In depth comparison and review of OPPO R9s and Xiaomi MI A3. 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 MI A3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 153 mm | 153.48 mm | Xiaomi MI A3 has greater height than OPPO R9s. |
| Width | 74.3 mm | 71.85 mm | OPPO R9s has greater width than Xiaomi MI A3. |
| Depth | 6.58 mm | 8.475 mm | OPPO R9s is narrower than OPPO R9s. |
| Weight | 145 g | 173.8 g | OPPO R9s is lighter than OPPO R9s. |
| Body Colour | Red | Black | Rose gold | Gold | Kind of grey | |
| Body Material | - | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 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 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 | - |
| DISPLAY | OPPO R9s | Xiaomi MI A3 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.088" | Xiaomi MI A3 has larger screen size than OPPO R9s. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1560 x 720 pixels | OPPO R9s has better screen resolution than Xiaomi MI A3. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 19.5:9 | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 60000:1 | |
| Display Features | - | 2.5D Glass, Dot Drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | OPPO R9s | Xiaomi MI A3 |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Processor Number | MSM8953 | - | |
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | OPPO R9s has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 610 |
| MEMORY | OPPO R9s | Xiaomi MI A3 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | Up to 256 GB |
| CAMERA | OPPO R9s | Xiaomi MI A3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than OPPO R9s. |
| Sensor Size | 1/2.8" | 1/2" | OPPO R9s has better camera sensor size than Xiaomi MI A3. |
| Sensor Name | Sony Exmor RS IMX398 sensor | - | |
| Lens Aperture | F/1.7 | F/1.79 | OPPO R9s has better lens aperture than OPPO R9s. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Panorama, low-light shots, GIF animation function | AI portrait mode | |
| Light Source | LED light | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than OPPO R9s. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.6 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Beautify 4.0 | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | - | Selfie panorama, AI portrait mode, AI Beautify | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
| BATTERY AND CHARGING | OPPO R9s | Xiaomi MI A3 |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than OPPO R9s. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A3 has fast charging technology. |
| CELLULAR | OPPO R9s | Xiaomi MI A3 |
|---|
| 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) | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R9s | Xiaomi MI A3 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 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 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, 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 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R9s | Xiaomi MI A3 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 |
| FEATURES | OPPO R9s | Xiaomi MI A3 |
|---|
| 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 | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | Glove and Wet Touchscreen Operation | AI face unlock |
| OTHERS | OPPO R9s | Xiaomi MI A3 |
|---|
| Included Accessories | Headset, USB cable, power adapter | Power adapter, SIM card removal tool, USB-C cable, soft case |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
