OnePlus 6 vs. Xiaomi Redmi 9

Phone Comparison, Reviews and Tests

Side by side comparison and review of OnePlus 6 and Xiaomi Redmi 9. 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.

Phone Specifications Comparison

OnePlus 6 vs. Xiaomi Redmi 9 Comparison Chart
DESIGN AND DIMENSIONS OnePlus 6 Xiaomi Redmi 9
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 155.7 mm 163.32 mm Xiaomi Redmi 9 has greater height than OnePlus 6.
Width 75.4 mm 77.01 mm Xiaomi Redmi 9 has greater width than OnePlus 6.
Depth 7.75 mm 9.1 mm OnePlus 6 is narrower than OnePlus 6.
Weight 177 g 198 g OnePlus 6 is lighter than OnePlus 6.
Body Colour Mirror black Carbon grey
Body Material Glass -
Waterproof (Water-resistant) - -
SAR Value 1.38 W/kg (body), 1.33 W/kg (head) 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb)
Integrated Components - Ultra-linear speaker
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
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 Dual-SIM
DISPLAY OnePlus 6 Xiaomi Redmi 9
Display Type OLED display -
Display Technology Optic AMOLED -
Screen Size (Display Size) 6.28" 6.53" Xiaomi Redmi 9 has larger screen size than OnePlus 6.
Screen Resolution (Display Resolution) 2280 x 1080 pixels 2340 x 1080 pixels Xiaomi Redmi 9 has better screen resolution than OnePlus 6.
Display Format - Full HD+
Pixel Density - 394 ppi
Aspect Ratio 19:9 19.5:9
Max Brightness - 400 cd/m²
Contrast Ratio - 1500:1
Display Enhancement Technology - Sunlight mode
Display Features 2.5D Glass, Reading mode, night mode 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 OnePlus 6 Xiaomi Redmi 9
Processor Type (CPU) Qualcomm Snapdragon 845 MediaTek Helio G80
Clock Speed 2.8 GHz 2 GHz OnePlus 6 has higher clock speed than Xiaomi Redmi 9.
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 630 Mali-G52 MC2
MEMORY OnePlus 6 Xiaomi Redmi 9
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 4 GB OnePlus 6 has more RAM than Xiaomi Redmi 9.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) - microSD
CAMERA OnePlus 6 Xiaomi Redmi 9
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 16 Megapixel 13 Megapixel OnePlus 6 has better camera resolution than Xiaomi Redmi 9.
Sensor Name Sony Exmor RS IMX519 sensor -
Lens Type - Wide-angle lens
Lens Aperture F/1.7 F/2.2 OnePlus 6 has better lens aperture than OnePlus 6.
Field of View (FoV) - 75.2 degree(s)
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 6 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects Portrait, HDR HDR, Kaleidoscope
Camera Modes Panorama, Time-lapse mode, Pro mode, portrait mode Portrait mode
Light Source Dual LED flash Flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 480 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Electronic Image Stabiliser (EIS), RAW image capture, Detect Contrast Auto-Focus (DCAF), Dynamic Denoise, Clear Image -
SECOND CAMERA
Sensor Resolution (2nd Camera) 20 Megapixel 8 Megapixel OnePlus 6 has better second camera resolution than Xiaomi Redmi 9.
Sensor Name (2nd Camera) Sony Exmor RS IMX376K sensor -
Lens Type (2nd Camera) Wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/1.7 F/2.2 OnePlus 6 has better second camera lens aperture than OnePlus 6.
Field of View (2nd Camera) - 118 degree(s)
Camera Features (2nd Camera) Phase Detect Auto-Focus (PDAF) -
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 OnePlus 6 has better front camera resolution than Xiaomi Redmi 9.
Sensor Name (Front) Sony Exmor RS IMX371 sensor -
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 Focus free
Special Effects (Front) HDR HDR
Camera Modes (Front) Time-lapse mode, Face Beauty Portrait mode
Face Recognition (Face ID) Smile Capture - OnePlus 6 has face detection.
Light Source (Front) Display flash Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Front) Electronic Image Stabiliser (EIS) Self-timer, Palm shutter
BATTERY AND CHARGING OnePlus 6 Xiaomi Redmi 9
Battery Capacity (Battery Size) 3300 mAh 5020 mAh Xiaomi Redmi 9 has larger battery capacity than OnePlus 6.
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 OnePlus 6 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 OxygenOS (based on Android Oreo) -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS OnePlus 6 Xiaomi Redmi 9
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X -
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 800 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71 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 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600 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 5.0 Bluetooth 5.0
NFC Yes - OnePlus 6 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 6 Xiaomi Redmi 9
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, IMY, MID, AMR-WB, AMR-NB, apt-X HD 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, 3GP, TS, WebM, HEVC, H.265 MKV, H.264, ASP, MP4
Sound Enhancements Dirac Power Sound technology, Dirac HD Sound -
FEATURES OnePlus 6 Xiaomi Redmi 9
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, digital compass, distance sensor, infrared (IR) sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader
Additional Phone Features Noise Cancellation Technology, MIMO technology, Android Sensor Hub, RGB LED notification light Fast Charging, AI face unlock
OTHERS OnePlus 6 Xiaomi Redmi 9
Included Accessories SIM card removal tool, screen protector (pre-applied), translucent case, fast charge USB-C cable, fast charge power adapter SIM card removal tool, USB-C cable, TPU case, 10W charger
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