In depth comparison and review of OnePlus 9 and Xiaomi Redmi Note 9T. 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 | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 160 mm | 161.9 mm | Xiaomi Redmi Note 9T has greater height than OnePlus 9. |
| Width | 74.2 mm | 77.3 mm | Xiaomi Redmi Note 9T has greater width than OnePlus 9. |
| Depth | 8.7 mm | 9.05 mm | OnePlus 9 is narrower than OnePlus 9. |
| Weight | 192 g | 199 g | OnePlus 9 is lighter than OnePlus 9. |
| Body Colour | Astral black | Arctic sky | Daybreak purple | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.937 W/kg (body), 0.592 W/kg (head), 1.981 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | - | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Fluid Amoled | - | |
| Screen Size (Display Size) | 6.55" | 6.53" | OnePlus 9 has larger screen size than Xiaomi Redmi Note 9T. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2340 x 1080 pixels | OnePlus 9 has better screen resolution than Xiaomi Redmi Note 9T. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 402 ppi | 395 ppi | OnePlus 9 has better pixel density than Xiaomi Redmi Note 9T. |
| Aspect Ratio | 20:9 | 19.5:9 | |
| Max Brightness | 1100 cd/m² | 450 cd/m² | OnePlus 9 has better display brightness than Xiaomi Redmi Note 9T. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| HDR | Yes | - | OnePlus 9 has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | Vibrant Color Effect | - | |
| Display Refresh Rate | 120 Hz | - | |
| Display Features | Always-on display, Reading mode, night mode, Wide colour display (P3), sRGB support | Reading mode, night mode, Dot Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 888 | MediaTek Dimensity 800U | |
|---|---|---|---|
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 660 | Mali-G57 |
| MEMORY | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | LPDDR4X SDRAM - 4 GB | OnePlus 9 has more RAM than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | OnePlus 9 has more internal memory than Xiaomi Redmi Note 9T. |
| Memory Interface | UFS 3.1 | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | 1/1.43" | 1/2" | Xiaomi Redmi Note 9T has better camera sensor size than OnePlus 9. |
| Sensor Name | Sony Exmor RS IMX689 sensor | - | |
| Lens Aperture | F/1.8 | F/1.79 | Xiaomi Redmi Note 9T has better lens aperture than OnePlus 9. |
| Lens Construction | 7-element | - | |
| Pixel Size | 1.12 μm | 0.8 μm | OnePlus 9 has larger camera pixel size than Xiaomi Redmi Note 9T. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | 23 mm | - | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, HYPERLAPSE, Nightscape capture mode, Portrait, Filter mode, Super Macro, Portrait video, UltraShot HDR, Smart Scene Recognition, Tilt-shift mode, Focus Peaking, Cat/Dog Face Focus, Super Stable, Video Nightscape | - | |
| Light Source | Dual LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps | 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, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Tracking Focus, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), RAW image capture, Dual Native ISO, 2x2 On-Chip Lens (OCL), Hasselblad Camera, Natural Color Calibration, 12-bit RAW | 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 50 Megapixel | 2 Megapixel | OnePlus 9 has better second camera resolution than Xiaomi Redmi Note 9T. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/1.56" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX766 sensor | - | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | OnePlus 9 has better second camera lens aperture than OnePlus 9. |
| Lens Element Qty (2nd Camera) | 7-element | - | |
| Field of View (2nd Camera) | 119 degree(s) | - | |
| Pixel Size (2nd Camera) | - | 1.75 μm | |
| Minimum Focal Length (2nd Camera) | 14 mm | - | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | 2x2 On-Chip Lens (OCL), Freeform Lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | Monochrome | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | OnePlus 9 has better front camera resolution than Xiaomi Redmi Note 9T. |
| Sensor Name (Front) | Sony Exmor RX IMX471 sensor | - | |
| Lens Aperture (Front) | F/2.4 | F/2.25 | Xiaomi Redmi Note 9T has better front lens aperture than OnePlus 9. |
| Pixel Size (Front) | 1 μm | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | HDR, face retouch | - | |
| Camera Modes (Front) | Time-lapse mode | - | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9T has face detection. |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Front) | Electronic Image Stabiliser (EIS) | - |
| BATTERY AND CHARGING | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 5000 mAh | Xiaomi Redmi Note 9T has larger battery capacity than OnePlus 9. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge, Warp Charge 65T technology | - | OnePlus 9 has fast charging technology. |
| Recharge Time (Charging Time) | 29 min | - | |
| Wireless Charging | Yes | - | OnePlus 9 can be charged wirelessly. |
| Wireless Charging Standards | Qi | - |
| CELLULAR | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | OxygenOS (based on Android 11) | Android 10 | |
| User Interface | - | MIUI 12 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, Galileo |
| COMMUNICATIONS | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 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 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | 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 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | 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 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500 | |
| 5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40 | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79 | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300 | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | Snapdragon X55 5G | - |
| MEDIA | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, EAC3-JOC, AC-4 | AAC, LDAC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | - | |
| Sound Enhancements | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound | - |
| FEATURES | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, flicker sensor, sensor core | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Noise Cancellation Technology, MIMO technology, Gesture Controls, OnePlus Switch, Alert Slider, dual stereo speakers, Zen mode 2.0, OnePlus Games | Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology |
| OTHERS | OnePlus 9 | Xiaomi Redmi Note 9T |
|---|
| Included Accessories | SIM card removal tool, sticker, screen protector, USB-C to USB-C cable, protective case, Warp Charge 65 power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | SGS | TUV Rheinland Low Blue Light Certification |
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