Detailed comparison and review of Sony XPERIA XZ2 Compact and Xiaomi MI 9. 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 | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | H8324 | - | |
| Form Factor | Touch | Touch | |
| Height | 135 mm | 157.5 mm | Xiaomi MI 9 has greater height than Sony XPERIA XZ2 Compact. |
| Width | 65 mm | 74.67 mm | Xiaomi MI 9 has greater width than Sony XPERIA XZ2 Compact. |
| Depth | 12.1 mm | 7.61 mm | Xiaomi MI 9 is narrower than Sony XPERIA XZ2 Compact. |
| Weight | 168 g | 173 g | Sony XPERIA XZ2 Compact is lighter than Sony XPERIA XZ2 Compact. |
| Body Colour | Black | Ocean blue | Piano black | |
| Body Material | Plastic, aluminium, glass | Curved glass | |
| Protection | Dustproof, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | Sony XPERIA XZ2 Compact is waterproof. |
| IP rating | IP68, IP65 | - | |
| SAR Value | 1.05 W/kg (body), 0.77 W/kg (head) | 1.301 W/kg (body), 1.389 W/kg (head) | |
| 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 | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | TRILUMINOS | AMOLED | |
| Screen Size (Display Size) | 5" | 6.39" | Xiaomi MI 9 has larger screen size than Sony XPERIA XZ2 Compact. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 2340 x 1080 pixels | Xiaomi MI 9 has better screen resolution than Sony XPERIA XZ2 Compact. |
| Display Format | - | Full HD+ | |
| Pixel Density | 483 ppi | 403 ppi | Sony XPERIA XZ2 Compact has better pixel density than Xiaomi MI 9. |
| Aspect Ratio | 18:9 | - | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 60000:1 | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | - | HDR10 | |
| Display Enhancement Technology | Dynamic Contrast Enhancement | Sunshine mode 2.0 | |
| Display Features | - | Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating |
| PROCESSOR | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Clock Speed | - | 2.84 GHz | |
| 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 | Qualcomm ADRENO 640 |
| MEMORY | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 6 GB | Xiaomi MI 9 has more RAM than Sony XPERIA XZ2 Compact. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 400 GB | - |
| CAMERA | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 19 Megapixel | 48 Megapixel | Xiaomi MI 9 has better camera resolution than Sony XPERIA XZ2 Compact. |
| Sensor Size | 1/2.3" | - | |
| Sensor Name | Sony Exmor RS sensor | Sony Exmor RS IMX586 sensor | |
| Lens Type | - | Ultra wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.75 | Xiaomi MI 9 has better lens aperture than Sony XPERIA XZ2 Compact. |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | 25 mm | - | |
| Optical Zoom | - | 2x | |
| Digital Zoom | 8x | 10x | Xiaomi MI 9 has better digital zoom than Sony XPERIA XZ2 Compact. |
| Special Effects | HDR | HDR | |
| Camera Modes | AR Effect mode, SteadyShot, Intelligent Active Mode, low-light shots | 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 has face detection. |
| Light Source | LED light | Dual flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| Video Resolutions | 3840 x 2160 (4K), Super slow motion video 1280 x 720 (720p) at 960 fps, Super slow motion video 1920 x 1080 (1080p) 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, 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 | |
| Camera Features (Functions) | Quick Launch, G lens, BIONZ image processing engine, Quick Capture, Triple image sensing technology, Predictive Hybrid Autofocus, Predictive Capture, Motion Eye camera, Anti-distortion shutter, Stereo Recording, Autofocus burst, Predictive Capture (motion / smile) | 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 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Camera Features (2nd Camera) | - | Macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 16 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 | |
| Pixel Size (3rd Camera) | - | 1 μm |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 20 Megapixel | Xiaomi MI 9 has better front camera resolution than Sony XPERIA XZ2 Compact. |
| Sensor Size (Front) | 1/5" | - | |
| Sensor Name (Front) | Sony Exmor R sensor | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Xiaomi MI 9 has better front lens aperture than Sony XPERIA XZ2 Compact. |
| Pixel Size (Front) | - | 0.9 μm | |
| Focus Adjustment | Automatic | - | |
| Min Focal Length (Front) | 23 mm | - | |
| Special Effects (Front) | - | HDR, Magic mirror | |
| Camera Modes (Front) | SteadyShot, Intelligent Active Mode, low-light shots | AI portrait mode, AI Beautify, AI makeup | |
| 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 | |
| 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 | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Battery Capacity (Battery Size) | 2870 mAh | 3300 mAh | Xiaomi MI 9 has larger battery capacity than Sony XPERIA XZ2 Compact. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | Qualcomm Quick Charge 4.0+ | Both phones have fast charging technology. |
| Wireless Charging Standards | - | WPC, Qi |
| CELLULAR | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 8.0 Oreo | - | |
| User Interface | - | MIUI 10 | |
| Intelligent Assistant | - | Google Assistant | |
| Payment Technology | - | Android Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, 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 | |
| 3G UMTS Frequency | - | 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 20, Band 28, Band 38, Band 39, Band 40 | |
| 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| WLAN Security | - | WPA3 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Supported Digital Audio Standards | FLAC, LPCM, DSD, LDAC, ALAC, apt-X HD, DSEE HX | WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 | |
| Sound Enhancements | S-Force Front surround, Clear Audio+ | Qualcomm TrueWireless Stereo Plus |
| FEATURES | Sony XPERIA XZ2 Compact | Xiaomi MI 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, barometer, gyro sensor, colour spectrum sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | X-Reality engine, PS4 Remote Play, Qnovo Adaptive Charging, Battery Care, Smart Stamina, STAMINA Mode, Automatic Headphone Optimisation (AHO), 3D Creator, VirtualPhones technology | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | |
| Android Enterprise Recommended | Yes | - |
| OTHERS | Sony XPERIA XZ2 Compact | Xiaomi MI 9 |
|---|
| Included Accessories | Power adapter, USB-C to 3.5 jack adapter | Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger | |
|---|---|---|---|
| Compliant Standards | IP68, IP65 | TUV Rheinland Certified Safe Fast-Charge System | |
| Max Depth of Water Resistance | 1.5 m | - |
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