Side by side comparison and review of OPPO R9 and Xiaomi Redmi 6. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | OPPO R9 | Xiaomi Redmi 6 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 147.5 mm | OPPO R9 has greater height than Xiaomi Redmi 6. |
| Width | 74.3 mm | 71.5 mm | OPPO R9 has greater width than Xiaomi Redmi 6. |
| Depth | 6.6 mm | 8.3 mm | OPPO R9 is narrower than OPPO R9. |
| Weight | 145 g | 146 g | OPPO R9 is lighter than OPPO R9. |
| Body Colour | Gold | Gold | Black | Blue | Dark grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.417 W/kg (body), 0.55 W/kg (head) | |
| 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | OPPO R9 | Xiaomi Redmi 6 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | IPS | |
| Screen Size (Display Size) | 5.5" | 5.45" | OPPO R9 has larger screen size than Xiaomi Redmi 6. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1440 x 720 pixels | OPPO R9 has better screen resolution than Xiaomi Redmi 6. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | 295 ppi | OPPO R9 has better pixel density than Xiaomi Redmi 6. |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | - | 1000:1 | |
| Display Features | - | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9 | Xiaomi Redmi 6 |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | MediaTek Helio P22 | |
|---|---|---|---|
| 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 | Xiaomi Redmi 6 has 64-bit architecture. |
| Graphics System (GPU) | Mali T860 MP2 | - |
| MEMORY | OPPO R9 | Xiaomi Redmi 6 |
|---|
| RAM | 4 GB | 3 GB | OPPO R9 has more RAM than Xiaomi Redmi 6. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9 has more internal memory than Xiaomi Redmi 6. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | OPPO R9 | Xiaomi Redmi 6 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | OPPO R9 has better camera resolution than Xiaomi Redmi 6. |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | Portrait, HDR, low light enhancement | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Burst mode, realtime Beautify | |
| Face Recognition (Face ID) | Face detection | - | OPPO R9 has 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, 640 x 480 (VGA) at 30 fps, Slo-mo video 640 x 480 (480p) at 120 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.2 |
| 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 6. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO R9 has better front lens aperture than OPPO R9. |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Beauty mode, portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 6 has face detection. |
| Camera Features (Front) | - | Selfie countdown, age recognition |
| BATTERY AND CHARGING | OPPO R9 | Xiaomi Redmi 6 |
|---|
| Battery Capacity (Battery Size) | 2850 mAh | 3000 mAh | Xiaomi Redmi 6 has larger battery capacity than OPPO R9. |
|---|---|---|---|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R9 | Xiaomi Redmi 6 |
|---|
| 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 8.1 Oreo | |
| User Interface | - | MIUI 9 | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R9 | Xiaomi Redmi 6 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, 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 2, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 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 38, Band 40 | |
| 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, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R9 | Xiaomi Redmi 6 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | AAC, PCM, Ogg Vorbis, MP3, AAC +, OPUS, AMR-WB, AMR-NB, WAVE | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | FLV, AVC, XviD, MPEG-4, H.264, M4V, HEVC, H.265, MPEG-4 SP |
| FEATURES | OPPO R9 | Xiaomi Redmi 6 |
|---|
| 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, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Active noise-cancellation | AI face unlock |
| OTHERS | OPPO R9 | Xiaomi Redmi 6 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool |
|---|
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