In depth comparison and review of OPPO R9 and Xiaomi MI Mix 3 5G. 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 | Xiaomi MI Mix 3 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch slider | |
| Height | 151.8 mm | 157.89 mm | Xiaomi MI Mix 3 5G has greater height than OPPO R9. |
| Width | 74.3 mm | 74.69 mm | Xiaomi MI Mix 3 5G has greater width than OPPO R9. |
| Depth | 6.6 mm | 8.46 mm | OPPO R9 is narrower than OPPO R9. |
| Weight | 145 g | 225 g | OPPO R9 is lighter than OPPO R9. |
| Body Colour | Gold | Sapphire blue | Onyx black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.577 W/kg (body), 1.557 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) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Single-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.39" | Xiaomi MI Mix 3 5G has larger screen size than OPPO R9. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Xiaomi MI Mix 3 5G has better screen resolution than OPPO R9. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 403 ppi | Xiaomi MI Mix 3 5G has better pixel density than OPPO R9. |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 60000:1 | |
| HDR | - | Yes | Xiaomi MI Mix 3 5G has HDR. |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | - | Always-on display, Reading mode, Colour temperature adjustment, night mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.84 GHz | Xiaomi MI Mix 3 5G has higher clock speed than OPPO R9. |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | - | Yes | Xiaomi MI Mix 3 5G has 64-bit architecture. |
| Graphics System (GPU) | Mali T860 MP2 | Qualcomm ADRENO 640 |
| MEMORY | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 6 GB | Xiaomi MI Mix 3 5G has more RAM than OPPO R9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Xiaomi MI Mix 3 5G has more internal memory than OPPO R9. |
| Memory Interface | - | UFS 2.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | OPPO R9 has better camera resolution than Xiaomi MI Mix 3 5G. |
| Sensor Name | - | Sony Exmor RS IMX363 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.8 | Xiaomi MI Mix 3 5G has better lens aperture than OPPO R9. |
| Pixel Size | - | 1.4 μm | |
| Optical Image Stabiliser (OIS) | - | 4-axis OIS (Optical Image Stabilisation) | Xiaomi MI Mix 3 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Panorama, Nightscape capture mode, Personalized AI Beautify | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps | |
| Camera Features (Functions) | - | AI scene and object detection, Dual Pixel Autofocus technology, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, AI dynamic bokeh, AI studio lighting, AI Super Resolution, low-light enhancement technology, AI special effects |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Sensor Name (2nd Camera) | - | Samsung S5K3M3+ | |
| Pixel Size (2nd Camera) | - | 1 μm |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 24 Megapixel | Xiaomi MI Mix 3 5G has better front camera resolution than OPPO R9. |
| Sensor Name (Front) | - | Sony Exmor RS IMX576 sensor | |
| Lens Aperture (Front) | F/2.0 | - | |
| Pixel Size (Front) | - | 1.8 μm | |
| Special Effects (Front) | - | Magic mirror | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Bokeh Mode, AI Beautify, AI makeup | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI Mix 3 5G has face detection. |
| Camera Features (Front) | - | AI portrait mode, 4-in-1 Super Pixel technology, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Name (2nd Front) | - | OC0A10 | |
| Pixel Size (2nd Front) | - | 1.75 μm |
| BATTERY AND CHARGING | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| Battery Capacity (Battery Size) | 2850 mAh | 3800 mAh | Xiaomi MI Mix 3 5G has larger battery capacity than OPPO R9. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0+ | Xiaomi MI Mix 3 5G has fast charging technology. |
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi MI Mix 3 5G has more advanced generation mobile network. |
| Operating System | ColorOS 3.0 (based on Android 5.1) | - | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | |
| 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 3, Band 5, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| 5G NR Band | - | N78 | |
| 5G NR Frequency | - | TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| NFC | - | Yes | Xiaomi MI Mix 3 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| 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, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | Active noise-cancellation | MIMO technology, MU-MIMO technology |
| OTHERS | OPPO R9 | Xiaomi MI Mix 3 5G |
|---|
| Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable |
|---|
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