In depth comparison and review of Xiaomi MI 9 SE and OPPO Reno4 Pro 5G. 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 MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2089 | |
| Form Factor | Touch | Touch | |
| Height | 147.5 mm | 159.6 mm | OPPO Reno4 Pro 5G has greater height than Xiaomi MI 9 SE. |
| Width | 70.5 mm | 72.5 mm | OPPO Reno4 Pro 5G has greater width than Xiaomi MI 9 SE. |
| Depth | 7.45 mm | 7.6 mm | Xiaomi MI 9 SE is narrower than Xiaomi MI 9 SE. |
| Weight | 155 g | 172 g | Xiaomi MI 9 SE is lighter than Xiaomi MI 9 SE. |
| Body Colour | Ocean blue | Piano black | Space black | |
| Body Material | Glass | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.385 W/kg (body), 1.385 W/kg (head) | 1.318 W/kg (body), 0.892 W/kg (head), 2.707 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.97" | 6.5" | OPPO Reno4 Pro 5G has larger screen size than Xiaomi MI 9 SE. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | OPPO Reno4 Pro 5G has better screen resolution than Xiaomi MI 9 SE. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 432 ppi | 402 ppi | Xiaomi MI 9 SE has better pixel density than OPPO Reno4 Pro 5G. |
| Max Brightness | 600 cd/m² | 1100 cd/m² | OPPO Reno4 Pro 5G has better display brightness than Xiaomi MI 9 SE. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 60000:1 | 5000000:1 | OPPO Reno4 Pro 5G has better display contrast ratio than Xiaomi MI 9 SE. |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10 | HDR10+ | |
| Display Enhancement Technology | Sunshine mode 2.0 | - | |
| Display Features | Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode | DCI-P3 Wide colour gamut, Dark mode, 180Hz sampling rate, 90Hz 3D Curved Screen | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 712 | Qualcomm Snapdragon 765G | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.4 GHz | OPPO Reno4 Pro 5G has higher clock speed than Xiaomi MI 9 SE. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi MI 9 SE has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 616 | Qualcomm ADRENO 620 |
| MEMORY | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 12 GB | OPPO Reno4 Pro 5G has more RAM than Xiaomi MI 9 SE. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | OPPO Reno4 Pro 5G has more internal memory than Xiaomi MI 9 SE. |
| Memory Interface | - | UFS 2.1 |
| CAMERA | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/2" | |
| Sensor Name | Sony Exmor RS IMX586 sensor | Sony Exmor RS IMX586 sensor | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.75 | F/1.7 | OPPO Reno4 Pro 5G has better lens aperture than Xiaomi MI 9 SE. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Reno4 Pro 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | Yes | |
| Minimum Focal Length (Focal Distance) | - | 26 mm | |
| Optical Zoom | 2x | 2x | Both phones have the same optical zoom. |
| Digital Zoom | 10x | 20x | OPPO Reno4 Pro 5G has better digital zoom than Xiaomi MI 9 SE. |
| Special Effects | HDR | HDR, Stickers | |
| Camera Modes | Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode | Panorama, Time-lapse mode, night mode, Expert Mode, Bokeh Mode, AI Beautify | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 SE has face detection. |
| Light Source | Dual flash | LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| 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 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 | 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, 1280 x 720 (720p) at 60 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 5x Hybrid Zoom, 4-in-1 Pixel technology, contrast detection auto-focus (CDAF), laser detection auto focus (LDAF), Ultra Steady Video 3.0 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 12 Megapixel | Xiaomi MI 9 SE has better second camera resolution than OPPO Reno4 Pro 5G. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.43" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RX IMX708 sensor | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | OPPO Reno4 Pro 5G has better second camera lens aperture than Xiaomi MI 9 SE. |
| Field of View (2nd Camera) | 123 degree(s) | 120 degree(s) | Xiaomi MI 9 SE has larger second camera lens field of view than OPPO Reno4 Pro 5G. |
| Pixel Size (2nd Camera) | - | 1.4 μm | |
| Minimum Focal Length (2nd Camera) | - | 16 mm | |
| Camera Functions (2nd Camera) | - | Autofocus | |
| Camera Modes (2nd Camera) | - | Ultra Night Mode | |
| Camera Features (2nd Camera) | - | 6P lens, 3cm macro shooting |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | 13 Megapixel | OPPO Reno4 Pro 5G has higher resolution third camera than Xiaomi MI 9 SE. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | Telephoto lens | |
| 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) | - | 5-element | |
| Pixel Size (3rd Camera) | 1 μm | 1 μm | Both phones have the same third camera pixel size. |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Camera Functions (3rd Camera) | - | Autofocus |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 32 Megapixel | OPPO Reno4 Pro 5G has better front camera resolution than Xiaomi MI 9 SE. |
| Lens Aperture (Front) | - | F/2.4 | |
| Lens Element Qty (Front) | - | 5-element | |
| Special Effects (Front) | HDR, Magic mirror | - | |
| Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, AI Beauty, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 SE has face detection. |
| Still Image Resolutions (Front) | - | 6560 x 4928 | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare | - |
| BATTERY AND CHARGING | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Battery Capacity (Battery Size) | 3070 mAh | 4000 mAh | OPPO Reno4 Pro 5G has larger battery capacity than Xiaomi MI 9 SE. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0+ | SuperVOOC 2.0 Flash Charge | Both phones have fast charging technology. |
| Recharge Time (Charging Time) | - | 36 min | |
| Standby Time | - | 425 hours | |
| Talk Time | - | 1440 minutes | |
| Run Time Details | - | Standby: up to 425 hrs Talk: up to 1440 min Playback (audio (w/headset)): up to 81 hrs Playback (audio (via speakers)): up to 27 hrs Playback (video): up to 18 hrs |
| CELLULAR | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Reno4 Pro 5G has more advanced generation mobile network. |
| Operating System | - | ColorOS 7.2 (based on Android 10) | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 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 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 39, Band 40, Band 41, Band 42, Band 66 | |
| 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 | 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 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | - | 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 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, apt-X HD | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, APTX-TWS+ | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, MP4 | |
| Sound Enhancements | Qualcomm TrueWireless Stereo Plus | Dolby Atmos sound technology |
| FEATURES | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| 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, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, gyro sensor, geomagnetic sensor, gravity sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | MU-MIMO technology |
| OTHERS | Xiaomi MI 9 SE | OPPO Reno4 Pro 5G |
|---|
| Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable | Headphones, power adapter, SIM card removal tool, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | - |
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