In depth comparison and review of Google Pixel 3a and Xiaomi MI 9 SE. 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 | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | G020F | - | |
| Form Factor | Touch | Touch | |
| Height | 151.3 mm | 147.5 mm | Google Pixel 3a has greater height than Xiaomi MI 9 SE. |
| Width | 70.1 mm | 70.5 mm | Xiaomi MI 9 SE has greater width than Google Pixel 3a. |
| Depth | 8.2 mm | 7.45 mm | Xiaomi MI 9 SE is narrower than Google Pixel 3a. |
| Weight | 147 g | 155 g | Google Pixel 3a is lighter than Google Pixel 3a. |
| Body Colour | Clearly white | Purple-ish | Just black | Ocean blue | Piano black | |
| Body Material | Polycarbonate | Glass | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.55 W/kg (body), 1.38 W/kg (head) | 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 | |
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | OLED | AMOLED | |
| Screen Size (Display Size) | 5.6" | 5.97" | Xiaomi MI 9 SE has larger screen size than Google Pixel 3a. |
| Screen Resolution (Display Resolution) | 2220 x 1080 pixels | 2340 x 1080 pixels | Xiaomi MI 9 SE has better screen resolution than Google Pixel 3a. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 441 ppi | 432 ppi | Google Pixel 3a has better pixel density than Xiaomi MI 9 SE. |
| Aspect Ratio | 18:9 | - | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 100000:1 | 60000:1 | Google Pixel 3a has better display contrast ratio than Xiaomi MI 9 SE. |
| HDR | - | Yes | Xiaomi MI 9 SE has HDR. |
| HDR Technology | - | HDR10 | |
| Display Enhancement Technology | - | Sunshine mode 2.0 | |
| Display Features | Always-on display, Now Playing | Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating |
| PROCESSOR | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 670 | Qualcomm Snapdragon 712 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.3 GHz | Xiaomi MI 9 SE has higher clock speed than Google Pixel 3a. |
| 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 615 | Qualcomm ADRENO 616 |
| MEMORY | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 6 GB | Xiaomi MI 9 SE has more RAM than Google Pixel 3a. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| CAMERA | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12.2 Megapixel | 48 Megapixel | Xiaomi MI 9 SE has better camera resolution than Google Pixel 3a. |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/1.75 | Xiaomi MI 9 SE has better lens aperture than Google Pixel 3a. |
| Field of View (FoV) | 76 degree(s) | - | |
| Pixel Size | 1.4 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Google Pixel 3a has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Special Effects | - | HDR | |
| Camera Modes | Portrait mode | 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 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 240 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, Slo-mo video 1280 x 720 (720p) at 960 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS), dual pixel phase detection, Motion Auto Focus | 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) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1 μm |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | Xiaomi MI 9 SE has better front camera resolution than Google Pixel 3a. |
| Lens Aperture (Front) | F/2.0 | - | |
| Field of View (Front) | 84 degree(s) | - | |
| Pixel Size (Front) | 1.12 μm | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR, Magic mirror | |
| Camera Modes (Front) | - | AI portrait mode, AI Beautify, AI makeup | |
| 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, 640 x 480 (VGA) 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 | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3070 mAh | Xiaomi MI 9 SE has larger battery capacity than Google Pixel 3a. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0+ | Xiaomi MI 9 SE has fast charging technology. |
| CELLULAR | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | - | |
| User Interface | - | MIUI 10 | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, GLONASS, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 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 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 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 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, 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 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Supported Digital Audio Standards | Apt-X, LDAC, apt-X HD | WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, apt-X HD | |
|---|---|---|---|
| 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 | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| 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, barometer, magnetometer, gyro sensor, haptics sensor, Active Edge | 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 | Dual microphones, MIMO technology, Android Sensor Hub, Noise suppression, Night Shift, ARCore, Google Lens, Titan M Security Module, Pixel Imprint sensor | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo |
| OTHERS | Google Pixel 3a | Xiaomi MI 9 SE |
|---|
| Included Accessories | SIM card removal tool, Quick switch adapter, 18W USB-C power adapter, USB-C to USB-C cable (1 m) | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Certified Safe Fast-Charge System |
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