OPPO R9s vs. Xiaomi Redmi 9

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO R9s and Xiaomi Redmi 9. 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.

Phone Specifications Comparison

OPPO R9s vs. Xiaomi Redmi 9 Comparison Chart
DESIGN AND DIMENSIONS OPPO R9s Xiaomi Redmi 9
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 153 mm 163.32 mm Xiaomi Redmi 9 has greater height than OPPO R9s.
Width 74.3 mm 77.01 mm Xiaomi Redmi 9 has greater width than OPPO R9s.
Depth 6.58 mm 9.1 mm OPPO R9s is narrower than OPPO R9s.
Weight 145 g 198 g OPPO R9s is lighter than OPPO R9s.
Body Colour Red | Black | Rose gold | Gold Carbon grey
Waterproof (Water-resistant) - -
SAR Value - 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb)
Integrated Components - Ultra-linear speaker
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 Redmi 9
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 5.5" 6.53" Xiaomi Redmi 9 has larger screen size than OPPO R9s.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Xiaomi Redmi 9 has better screen resolution than OPPO R9s.
Display Format Full HD Full HD+
Pixel Density 401 ppi 394 ppi OPPO R9s has better pixel density than Xiaomi Redmi 9.
Aspect Ratio - 19.5:9
Max Brightness - 400 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Enhancement Technology - Sunlight mode
Display Features - Colour temperature adjustment, Dot Drop display, Reading mode 2.0
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR OPPO R9s Xiaomi Redmi 9
Processor Type (CPU) Qualcomm MediaTek Helio G80
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 Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 Mali-G52 MC2
MEMORY OPPO R9s Xiaomi Redmi 9
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 microSD
CAMERA OPPO R9s Xiaomi Redmi 9
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 13 Megapixel OPPO R9s has better camera resolution than Xiaomi Redmi 9.
Sensor Size 1/2.8" -
Sensor Name Sony Exmor RS IMX398 sensor -
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/2.2 OPPO R9s has better lens aperture than OPPO R9s.
Field of View (FoV) - 75.2 degree(s)
Focus Adjustment Automatic Automatic
Special Effects - HDR, Kaleidoscope
Camera Modes Panorama, low-light shots, GIF animation function 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, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) -
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) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 8 Megapixel OPPO R9s has better front camera resolution than Xiaomi Redmi 9.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Field of View (Front) - 77.8 degree(s)
Focus Adjustment - Focus free
Special Effects (Front) Beautify 4.0 HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) - Portrait mode
Light Source (Front) - Display flash
Camera Features (Front) - Self-timer, Palm shutter
BATTERY AND CHARGING OPPO R9s Xiaomi Redmi 9
Battery Capacity (Battery Size) 3010 mAh 5020 mAh Xiaomi Redmi 9 has larger battery capacity than OPPO R9s.
Talk Time - 1860 minutes
Run Time Details - Talk: up to 1860 min
Continuous navigation: up to 19 hrs
Playback (video): up to 19 hrs
Playback (Music): up to 185 hrs
CELLULAR OPPO R9s Xiaomi Redmi 9
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) -
Navigation GPS, A-GPS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS OPPO R9s Xiaomi Redmi 9
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
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, Band 41
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, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.0 Bluetooth 5.0
Bluetooth Profiles A2DP -
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO R9s Xiaomi Redmi 9
Supported Digital Audio Standards WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB
Supported Digital Video Standards MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP MKV, H.264, ASP, MP4
FEATURES OPPO R9s Xiaomi Redmi 9
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, digital compass, distance sensor, infrared (IR) sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Glove and Wet Touchscreen Operation Fast Charging, AI face unlock
OTHERS OPPO R9s Xiaomi Redmi 9
Included Accessories Headset, USB cable, power adapter SIM card removal tool, USB-C cable, TPU case, 10W charger
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