In depth comparison and review of OPPO R9s and Xiaomi Redmi Note 8. 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 Redmi Note 8 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 153 mm | 158.3 mm | Xiaomi Redmi Note 8 has greater height than OPPO R9s. |
Width | 74.3 mm | 75.3 mm | Xiaomi Redmi Note 8 has greater width than OPPO R9s. |
Depth | 6.58 mm | 8.35 mm | OPPO R9s is narrower than OPPO R9s. |
Weight | 145 g | 190 g | OPPO R9s is lighter than OPPO R9s. |
Body Colour | Red | Black | Rose gold | Gold | Moonlight white | Space black | Neptune blue | |
Body Material | - | Corning Gorilla Glass 5 | |
Protection | - | Splash-resistant | |
Waterproof (Water-resistant) | - | - | |
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 |
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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 Redmi Note 8 |
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Display Type | OLED display | LCD display | |
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Display Technology | AMOLED | - | |
Screen Size (Display Size) | 5.5" | 6.3" | Xiaomi Redmi Note 8 has larger screen size than OPPO R9s. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 8 has better screen resolution than OPPO R9s. |
Display Format | Full HD | Full HD+ | |
Pixel Density | 401 ppi | - | |
Aspect Ratio | - | 19.5:9 | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 1500:1 | |
Display Enhancement Technology | - | Sunlight mode | |
Display Features | - | Eye protection mode, Colour temperature adjustment, night mode, 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 Redmi Note 8 |
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Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 665 | |
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Processor Number | MSM8953 | - | |
Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
Processor Core Qty | 8-core | - | |
64-bit Architecture | Yes | - | OPPO R9s has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 610 |
MEMORY | OPPO R9s | Xiaomi Redmi Note 8 |
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RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
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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 | microSDHC, microSDXC |
CAMERA | OPPO R9s | Xiaomi Redmi Note 8 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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Sensor Resolution | 16 Megapixel | 48 Megapixel | Xiaomi Redmi Note 8 has better camera resolution than OPPO R9s. |
Sensor Size | 1/2.8" | 1.2" | OPPO R9s has better camera sensor size than Xiaomi Redmi Note 8. |
Sensor Name | Sony Exmor RS IMX398 sensor | - | |
Lens Aperture | F/1.7 | F/1.75 | OPPO R9s has better lens aperture than OPPO R9s. |
Lens Construction | - | 6-element | |
Field of View (FoV) | - | 79.4 degree(s) | |
Pixel Size | - | 0.8 μm | |
Focus Adjustment | Automatic | Automatic | |
Special Effects | - | HDR | |
Camera Modes | Panorama, low-light shots, GIF animation function | Burst mode, Panorama, Pro mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Beautify | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 8 has face detection. |
Light Source | LED light | Single tone LED flash | |
Still Image Resolutions | - | 8000 x 6000 | |
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) | EIS video stabilisation, 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Steady handheld night photography, levelling, full screen frame |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
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Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Field of View (2nd Camera) | - | 120 degree(s) | |
Pixel Size (2nd Camera) | - | 1.12 μm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Pixel Size (3rd Camera) | - | 1.75 μm | |
Camera Functions (3rd Camera) | - | Macro camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Lens Aperture (4th Camera) | - | F/2.4 | |
Pixel Size (4th Camera) | - | 1.75 μm |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | OPPO R9s has better front camera resolution than Xiaomi Redmi Note 8. |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Pixel Size (Front) | - | 1.12 μm | |
Special Effects (Front) | Beautify 4.0 | - | |
HDR Mode (Front) | Auto HDR mode | - | |
Camera Modes (Front) | - | Panorama, Hand Gesture, Portrait, Beautify | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 8 has face detection. |
Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Front) | - | Self-timer, camera display brightness correction, AI seperation, selfie mirror, blur adjustment, full screen frame |
BATTERY AND CHARGING | OPPO R9s | Xiaomi Redmi Note 8 |
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Battery Capacity (Battery Size) | 3010 mAh | 4000 mAh | Xiaomi Redmi Note 8 has larger battery capacity than OPPO R9s. |
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Recharge Time (Charging Time) | - | 2 hour(s) | |
Battery Technology | - | Lithium polymer |
CELLULAR | OPPO R9s | Xiaomi Redmi Note 8 |
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Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | ColorOS 3.0 (based on Android 6.0.1) | - | |
Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | OPPO R9s | Xiaomi Redmi Note 8 |
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Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
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2G Band | - | 850 GSM, 900 GSM, 1900 GSM, 2100 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 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, TDD 2600, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
Bluetooth Profiles | A2DP | - | |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | OPPO R9s | Xiaomi Redmi Note 8 |
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Supported Digital Audio Standards | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | WAV, AAC, AMR, MP3, FLAC | |
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Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC | |
Audio Amplifier | - | Smart PA |
FEATURES | OPPO R9s | Xiaomi Redmi Note 8 |
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Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
Security Devices | Fingerprint reader | Fingerprint reader | |
Additional Phone Features | Glove and Wet Touchscreen Operation | Infrared remote control, Dual microphones, Fast Charging, AI Engine, auto cleaning speaker |
OTHERS | OPPO R9s | Xiaomi Redmi Note 8 |
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Included Accessories | Headset, USB cable, power adapter | Power adapter, SIM card removal tool, USB-C cable, soft case |
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