Detailed comparison and review of Xiaomi MI 9 and OPPO A17. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi MI 9 | OPPO A17 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2477 | |
| Form Factor | Touch | Touch | |
| Height | 157.5 mm | 164.2 mm | OPPO A17 has greater height than Xiaomi MI 9. |
| Width | 74.67 mm | 75.6 mm | OPPO A17 has greater width than Xiaomi MI 9. |
| Depth | 7.61 mm | 8.3 mm | Xiaomi MI 9 is narrower than Xiaomi MI 9. |
| Weight | 173 g | 189 g | Xiaomi MI 9 is lighter than Xiaomi MI 9. |
| Body Colour | Ocean blue | Piano black | Lake blue | Midnight black | |
| Body Material | Curved glass | - | |
| Protection | - | Splash-resistant | |
| Waterproof (Water-resistant) | - | - | OPPO A17 is waterproof. |
| IP rating | - | IPX4 | |
| Repairability Index | - | 7.4 (out of 10) | |
| SAR Value | 1.301 W/kg (body), 1.389 W/kg (head) | 0.94 W/kg (body), 0.81 W/kg (head), 1.99 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | Micro-USB - 5 pin Micro-USB Type B Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI 9 | OPPO A17 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | LCD | |
| Screen Size (Display Size) | 6.39" | 6.56" | OPPO A17 has larger screen size than Xiaomi MI 9. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1612 x 720 pixels | Xiaomi MI 9 has better screen resolution than OPPO A17. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 403 ppi | 269 ppi | Xiaomi MI 9 has better pixel density than OPPO A17. |
| Aspect Ratio | - | 20.1:9 | |
| Max Brightness | 600 cd/m² | 600 cd/m² | Both phones have the same display brightness |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 60000:1 | 1500:1 | Xiaomi MI 9 has better display contrast ratio than OPPO A17. |
| HDR | Yes | - | Xiaomi MI 9 has HDR. |
| HDR Technology | HDR10 | - | |
| Display Enhancement Technology | Sunshine mode 2.0 | - | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) | Night mode, Eye comfort mode, 100% DCI-P3, 96% NTSC, 100% sRGB, 72% NTSC | |
| Display Protection (Screen Protector) | Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating | Panda Glass MN228 |
| PROCESSOR | Xiaomi MI 9 | OPPO A17 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2.3 GHz | Xiaomi MI 9 has higher clock speed than OPPO A17. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi MI 9 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 640 | IMG GE8320 |
| MEMORY | Xiaomi MI 9 | OPPO A17 |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 4 GB + up to 4 GB virtual extension | Xiaomi MI 9 has more RAM than OPPO A17. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Xiaomi MI 9 | OPPO A17 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO A17 has better camera resolution than Xiaomi MI 9. |
| Sensor Size | - | 1/2.76" | |
| Sensor Name | Sony Exmor RS IMX586 sensor | Samsung S5KJN1 | |
| Lens Type | Ultra wide-angle lens | - | |
| Lens Aperture | F/1.75 | F/1.8 | Xiaomi MI 9 has better lens aperture than Xiaomi MI 9. |
| Lens Construction | - | 5-element | |
| Field of View (FoV) | - | 77 degree(s) | |
| Pixel Size | 0.8 μm | 0.64 μm | Xiaomi MI 9 has larger camera pixel size than OPPO A17. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | - | 27 mm | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | 5x | Xiaomi MI 9 has better digital zoom than OPPO A17. |
| Special Effects | 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, Expert Mode, Night | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 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 | Google Lens, open-loop motor, Panda Glass MN228 (protective lens glass) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 0.3 Megapixel | Xiaomi MI 9 has better second camera resolution than OPPO A17. |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.8 | Xiaomi MI 9 has better second camera lens aperture than Xiaomi MI 9. |
| Lens Element Qty (2nd Camera) | - | 2-element | |
| Field of View (2nd Camera) | - | 60 degree(s) | |
| Pixel Size (2nd Camera) | 1 μm | - | |
| Camera Features (2nd Camera) | Macro photography | IR lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 16 Megapixel | - | |
|---|---|---|---|
| Lens Type (3rd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/2.2 | - | |
| Field of View (3rd Camera) | - | 55 degree(s) | |
| Pixel Size (3rd Camera) | 1 μm | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 5 Megapixel | Xiaomi MI 9 has better front camera resolution than OPPO A17. |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Xiaomi MI 9 has better front lens aperture than Xiaomi MI 9. |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | - | 76.8 degree(s) | |
| Pixel Size (Front) | 0.9 μm | 1.12 μm | OPPO A17 has larger front camera pixel size than Xiaomi MI 9. |
| Focus Adjustment | - | Focus free | |
| Min Focal Length (Front) | - | 27 mm | |
| Special Effects (Front) | HDR, Magic mirror | HDR, Stickers | |
| Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Panorama, Time-lapse mode, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 has face detection. |
| Video Resolutions (Front) | 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 (Front) | Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare | Face retouching |
| BATTERY AND CHARGING | Xiaomi MI 9 | OPPO A17 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 5000 mAh | OPPO A17 has larger battery capacity than Xiaomi MI 9. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0+ | - | Xiaomi MI 9 has fast charging technology. |
| Recharge Time (Charging Time) | - | 190 min | |
| Wireless Charging Standards | WPC, Qi | - | |
| Standby Time | - | 790 hours | |
| Talk Time | - | 1254 minutes | |
| Run Time Details | - | Standby: up to 790 hrs Playback (Music): up to 27.4 hrs Playback (video): up to 20 hrs Talk: up to 1254 min |
| CELLULAR | Xiaomi MI 9 | OPPO A17 |
|---|
| 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 12.1 (based on Android 12) | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Payment Technology | Android Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI 9 | OPPO A17 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 39, Band 40 | Band 1, Band 3, Band 5, Band 8, 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 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 900, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 BLE | |
| NFC | Yes | - | Xiaomi MI 9 has NFC reader for mobile payments. |
| WLAN Security | WPA3 | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI 9 | OPPO A17 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.264, TS, WebM, MP4 | |
| Sound Enhancements | Qualcomm TrueWireless Stereo Plus | Dirac audio optimisation |
| FEATURES | Xiaomi MI 9 | OPPO A17 |
|---|
| Phone Functions | 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, proximity sensor, geomagnetic sensor, gravity sensor, light sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | OTG Reverse Charge |
| OTHERS | Xiaomi MI 9 | OPPO A17 |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger | Power adapter, SIM card removal tool, protective case, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | IPX4 |
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