In depth comparison and review of Xiaomi Redmi Note 4 and OPPO R9s. 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 | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151 mm | 153 mm | OPPO R9s has greater height than Xiaomi Redmi Note 4. |
| Width | 76 mm | 74.3 mm | Xiaomi Redmi Note 4 has greater width than OPPO R9s. |
| Depth | 8.38 mm | 6.58 mm | OPPO R9s is narrower than Xiaomi Redmi Note 4. |
| Weight | 175 g | 145 g | OPPO R9s is lighter than Xiaomi Redmi Note 4. |
| Body Colour | Grey | Silver | Gold | Red | Black | Rose gold | Gold | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1920 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD | Full HD | |
| Pixel Density | 401 ppi | 401 ppi | Both phones have the same pixel density. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1000:1 | - | |
| Display Features | Night Display | - | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Processor Type (CPU) | MediaTek Helio X20 | Qualcomm | |
|---|---|---|---|
| Processor Number | - | MSM8953 | |
| Clock Speed | 2.1 GHz | 2 GHz | Xiaomi Redmi Note 4 has higher clock speed than OPPO R9s. |
| Processor Core Qty | 10-core | 8-core | Xiaomi Redmi Note 4 has higher processor core quantity than OPPO R9s. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Mali T880 MP4 | Qualcomm ADRENO 506 |
| MEMORY | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| RAM | 2 GB | 4 GB | OPPO R9s has more RAM than Xiaomi Redmi Note 4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | OPPO R9s has more internal memory than Xiaomi Redmi Note 4. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | OPPO R9s has better camera resolution than Xiaomi Redmi Note 4. |
| Sensor Size | - | 1/2.8" | |
| Sensor Name | - | Sony Exmor RS IMX398 sensor | |
| Lens Aperture | F/2.0 | F/1.7 | OPPO R9s has better lens aperture than Xiaomi Redmi Note 4. |
| Lens Construction | 5-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama | Panorama, low-light shots, GIF animation function | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 4 has face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p), 1280 x 720 (720p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | OPPO R9s has better front camera resolution than Xiaomi Redmi Note 4. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Special Effects (Front) | Real-time face beautification | Beautify 4.0 | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 4 has face detection. |
| BATTERY AND CHARGING | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3010 mAh | Xiaomi Redmi Note 4 has larger battery capacity than OPPO R9s. |
|---|
| CELLULAR | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | ColorOS 3.0 (based on Android 6.0.1) | |
| User Interface | MIUI 8 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | - | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 38, Band 39, Band 40, Band 41 | - | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.0 | |
| Bluetooth Profiles | HID | A2DP | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, H.265 | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP |
| FEATURES | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Infrared remote control | Glove and Wet Touchscreen Operation |
| OTHERS | Xiaomi Redmi Note 4 | OPPO R9s |
|---|
| Included Accessories | Power adapter | Headset, USB cable, power adapter |
|---|
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