In depth comparison and review of Xiaomi MI 9 SE and OPPO A54S. 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 A54S |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | CPH2273 | |
Form Factor | Touch | Touch | |
Height | 147.5 mm | 163.8 mm | OPPO A54S has greater height than Xiaomi MI 9 SE. |
Width | 70.5 mm | 75.6 mm | OPPO A54S has greater width than Xiaomi MI 9 SE. |
Depth | 7.45 mm | 8.4 mm | Xiaomi MI 9 SE is narrower than Xiaomi MI 9 SE. |
Weight | 155 g | 190 g | Xiaomi MI 9 SE is lighter than Xiaomi MI 9 SE. |
Body Colour | Ocean blue | Piano black | Crystal black | |
Body Material | Glass | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.385 W/kg (body), 1.385 W/kg (head) | - | |
Connector Type | USB Type-C - 24 pin USB-C | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI 9 SE | OPPO A54S |
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Display Type | OLED display | LCD display | |
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Display Technology | AMOLED | - | |
Screen Size (Display Size) | 5.97" | 6.52" | OPPO A54S has larger screen size than Xiaomi MI 9 SE. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Xiaomi MI 9 SE has better screen resolution than OPPO A54S. |
Display Format | Full HD+ | HD+ | |
Pixel Density | 432 ppi | 269 ppi | Xiaomi MI 9 SE has better pixel density than OPPO A54S. |
Max Brightness | 600 cd/m² | 480 cd/m² | Xiaomi MI 9 SE has better display brightness than OPPO A54S. |
Contrast Ratio | 60000:1 | 1500:1 | Xiaomi MI 9 SE has better display contrast ratio than OPPO A54S. |
HDR | Yes | - | Xiaomi MI 9 SE has HDR. |
HDR Technology | HDR10 | - | |
Display Enhancement Technology | Sunshine mode 2.0 | - | |
Display Refresh Rate | - | 60 Hz | |
Display Features | Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode | 71% NTSC, AI Eye-Care | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating | PDMA+PC |
PROCESSOR | Xiaomi MI 9 SE | OPPO A54S |
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Processor Type (CPU) | Qualcomm Snapdragon 712 | MediaTek Helio G35 | |
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Clock Speed | 2.3 GHz | 2.3 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 | - | Xiaomi MI 9 SE has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 616 | IMG GE8320 |
MEMORY | Xiaomi MI 9 SE | OPPO A54S |
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RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI 9 SE has more RAM than OPPO A54S. |
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Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OPPO A54S has more internal memory than Xiaomi MI 9 SE. |
Memory Interface | - | eMMC 5.1 |
CAMERA | Xiaomi MI 9 SE | OPPO A54S |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 3 | |
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Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO A54S has better camera resolution than Xiaomi MI 9 SE. |
Sensor Name | Sony Exmor RS IMX586 sensor | - | |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/1.75 | F/2.2 | Xiaomi MI 9 SE has better lens aperture than Xiaomi MI 9 SE. |
Lens Construction | - | 5-element | |
Field of View (FoV) | - | 80 degree(s) | |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | - | |
Optical Zoom | 2x | - | |
Digital Zoom | 10x | - | |
Special Effects | HDR | - | |
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 | - | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 SE has face detection. |
Light Source | Dual flash | LED flash | |
Still Image Resolutions | - | 4160 x 2340, 3120 x 3120, 4160 x 1872, 4080 x 3072 | |
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, 1280 x 720 (720p) at 30 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 | AI Triple camera |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 13 Megapixel | 2 Megapixel | Xiaomi MI 9 SE has better second camera resolution than OPPO A54S. |
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Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
Lens Element Qty (2nd Camera) | - | 3-element | |
Field of View (2nd Camera) | 123 degree(s) | 88.8 degree(s) | Xiaomi MI 9 SE has larger second camera lens field of view than OPPO A54S. |
Camera Functions (2nd Camera) | - | Depth camera |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 8 Megapixel | 2 Megapixel | Xiaomi MI 9 SE has higher resolution third camera than OPPO A54S. |
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Lens Type (3rd Camera) | 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) | - | 3-element | |
Field of View (3rd Camera) | - | 88.8 degree(s) | |
Pixel Size (3rd Camera) | 1 μm | - | |
Camera Functions (3rd Camera) | - | Macro camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 20 Megapixel | 8 Megapixel | Xiaomi MI 9 SE has better front camera resolution than OPPO A54S. |
Lens Aperture (Front) | - | F/2.0 | |
Lens Element Qty (Front) | - | 5-element | |
Field of View (Front) | - | 79 degree(s) | |
Special Effects (Front) | HDR, Magic mirror | Bokeh effect | |
Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Dazzle Colour Mode | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 SE 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, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare | AI beautification |
BATTERY AND CHARGING | Xiaomi MI 9 SE | OPPO A54S |
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Battery Capacity (Battery Size) | 3070 mAh | 5000 mAh | OPPO A54S has larger battery capacity than Xiaomi MI 9 SE. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0+ | - | Xiaomi MI 9 SE has fast charging technology. |
CELLULAR | Xiaomi MI 9 SE | OPPO A54S |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | - | ColorOS 11.1 (based on Android 11) | |
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 A54S |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
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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 38, Band 39, Band 40, Band 41, 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, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | Xiaomi MI 9 SE | OPPO A54S |
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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 | AAC, apt-X, LDAC, SBC | |
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Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4 | - | |
Sound Enhancements | Qualcomm TrueWireless Stereo Plus | - |
FEATURES | Xiaomi MI 9 SE | OPPO A54S |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, geomagnetic sensor, gravity sensor | |
Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
Security Technology | - | Face Unlock | |
Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | Super power saving mode, Game Assistant, super nighttime standby mode, optimised night charge, charging temperature control |
OTHERS | Xiaomi MI 9 SE | OPPO A54S |
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Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable | Headset, power adapter, SIM card removal tool, USB-C cable, protective case | |
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Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | - |