Side by side comparison and review of Sony XPERIA XZ2 Premium and Xiaomi MI 9. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sony XPERIA XZ2 Premium | Xiaomi MI 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | H8166 | - | |
| Form Factor | Touch | Touch | |
| Height | 157 mm | 157.5 mm | Xiaomi MI 9 has greater height than Sony XPERIA XZ2 Premium. |
| Width | 78.7 mm | 74.67 mm | Sony XPERIA XZ2 Premium has greater width than Xiaomi MI 9. |
| Depth | 10.2 mm | 7.61 mm | Xiaomi MI 9 is narrower than Sony XPERIA XZ2 Premium. |
| Weight | 235 g | 173 g | Xiaomi MI 9 is lighter than Sony XPERIA XZ2 Premium. |
| Body Colour | Chrome black | Ocean blue | Piano black | |
| Body Material | - | Curved glass | |
| Protection | Dustproof, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | Sony XPERIA XZ2 Premium is waterproof. |
| IP rating | IP68, IP65 | - | |
| SAR Value | 0.64 W/kg (body), 0.54 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 |
| DISPLAY | Sony XPERIA XZ2 Premium | Xiaomi MI 9 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | TRILUMINOS | AMOLED | |
| Screen Size (Display Size) | 5.8" | 6.39" | Xiaomi MI 9 has larger screen size than Sony XPERIA XZ2 Premium. |
| Screen Resolution (Display Resolution) | 3840 x 2160 pixels | 2340 x 1080 pixels | Sony XPERIA XZ2 Premium has better screen resolution than Xiaomi MI 9. |
| Display Format | - | Full HD+ | |
| Pixel Density | - | 403 ppi | |
| 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 Premium | 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 640 |
| MEMORY | Sony XPERIA XZ2 Premium | Xiaomi MI 9 |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 6 GB | Both phones have the same RAM size. |
|---|---|---|---|
| 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 Premium | Xiaomi MI 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 19 Megapixel | 48 Megapixel | Xiaomi MI 9 has better camera resolution than Sony XPERIA XZ2 Premium. |
| Sensor Size | 1/2.3" | - | |
| Sensor Type | Exmor RS CMOS | - | |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Type | - | Ultra wide-angle lens | |
| Lens Aperture | F/1.8 | F/1.75 | Xiaomi MI 9 has better lens aperture than Sony XPERIA XZ2 Premium. |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | 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 Premium. |
| Special Effects | HDR, Creative effect | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Red-Eye Reduction, Panorama, AR Effect mode, SteadyShot, manual mode, Intelligent Active Mode, Superior Auto mode, low-light shots, Night scene mode, Super slow motion | 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) | Smile shutter | Face recognition | Both phones have 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, Object tracking, G lens, Scene recognition, BIONZ image processing engine, Sound Photo, Quick Capture, Electronic Image Stabiliser (EIS), Stereo Audio Recording, Triple image sensing technology, Predictive Hybrid Autofocus, Predictive Capture, Motion Eye camera, 3x Clear image zoom, Anti-distortion shutter, Movie Creator, Autofocus burst | 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 | 12 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Type (2nd Camera) | Exmor RS CMOS | - | |
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | F/1.6 | F/2.2 | Sony XPERIA XZ2 Premium has better second camera lens aperture than Sony XPERIA XZ2 Premium. |
| 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) | 13 Megapixel | 20 Megapixel | Xiaomi MI 9 has better front camera resolution than Sony XPERIA XZ2 Premium. |
| Sensor Size (Front) | 1/3.06" | - | |
| Sensor Name (Front) | Sony Exmor RS sensor | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | - | 0.9 μm | |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR, Magic mirror | |
| Camera Modes (Front) | SteadyShot, Intelligent Active Mode | AI portrait mode, AI Beautify, AI makeup | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI 9 has face detection. |
| Light Source (Front) | Display flash | - | |
| 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 Premium | Xiaomi MI 9 |
|---|
| Battery Capacity (Battery Size) | 3540 mAh | 3300 mAh | Sony XPERIA XZ2 Premium has larger battery capacity than Xiaomi MI 9. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | Qualcomm Quick Charge 4.0+ | Both phones have fast charging technology. |
| Wireless Charging | Yes | - | Sony XPERIA XZ2 Premium can be charged wirelessly. |
| Wireless Charging Standards | Qi | WPC, Qi |
| CELLULAR | Sony XPERIA XZ2 Premium | 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, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Sony XPERIA XZ2 Premium | 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 | |
| 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 Premium | Xiaomi MI 9 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AIFF, ASF, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, LPCM, AAC +, eAAC+, MKA, MIDI, M4A, apt-X, DSF, DSDIFF, DSD, LDAC, MXMF, AWB, IMY, RTTTL, RTX, OTA, MP4, ALAC, OPUS, 3GPP, M4V, AAC-ELD, ADTS, 3GPP2, MPEG 2 TS, WAVE | WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, MPEG-4, MPEG-2, 3GP, H.264, H.263, M4V, TS, WebM, 3G2, VP8, VP9, H.265, 3GPP, 3GPP2 | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 | |
| Sound Enhancements | Digital Sound Enhancement Engine (DSEE HX), S-Force Front surround, Clear Audio+, 3D surround sound (VPT) | Qualcomm TrueWireless Stereo Plus |
| FEATURES | Sony XPERIA XZ2 Premium | 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, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | TTY compatible, DLNA Certified, Text-to-Speech (text recognition), sharing media via DLNA, intelligent typing (SWIFTKEY), intelligent typing (Gesture), Wi-Fi Miracast, Glove mode, TRILUMINOS display, Multi Window, X-Reality engine, MIMO technology, Google Voice typing function, Screen mirroring, Clear Audio+, Clear Bass, Dynamic normaliser, Digital Noise Cancelling (DNC), Ultra STAMINA Mode, Live Color LED, Hi-Res Audio, Low power audio playback, Smart backlight control, High-bandwidth Digital Content Protection (HDCP), Wi-Fi Passpoint, S-Force Front surround, Alarm Clock, PS4 Remote Play, Noise suppression, Smart cleaner, Qnovo Adaptive Charging, Battery Care, Smart Lock, STAMINA Mode, Screen zooming, Sony BRAVIA TV technology, Automatic Headphone Optimisation (AHO), Virtual Phones Technology (VPT), Xperia Actions, Automatic headset compensation, Smart Stamina 3.0, Dynamic vibration system, 3D Creator | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo |
| OTHERS | Sony XPERIA XZ2 Premium | 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, HAC (Hearing Aid Compatible) | TUV Rheinland Certified Safe Fast-Charge System | |
| Max Depth of Water Resistance | 1 m | - |
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