In depth comparison and review of Xiaomi MI A3 and Microsoft Surface Duo. 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 A3 | Microsoft Surface Duo |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Folder - dual screen | |
Height | 153.48 mm | 145.2 mm | Xiaomi MI A3 has greater height than Microsoft Surface Duo. |
Width | 71.85 mm | 93.3 mm | Microsoft Surface Duo has greater width than Xiaomi MI A3. |
Depth | 8.475 mm | 9.9 mm | Xiaomi MI A3 is narrower than Xiaomi MI A3. |
Weight | 173.8 g | 250 g | Xiaomi MI A3 is lighter than Xiaomi MI A3. |
Dimensions Details | - | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | |
Body Colour | Kind of grey | Glacier | |
Body Material | Corning Gorilla Glass 5 | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | 0.726 W/kg (head), 1.478 W/kg (body) | |
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 | Nano SIM, Electronic SIM card (e-SIM) | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI A3 | Microsoft Surface Duo |
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Display Type | OLED display | OLED display | |
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Display Technology | AMOLED | AMOLED | |
Foldable Display | - | Yes | |
Display Design | - | Both directions folding | |
Screen Size (Display Size) | 6.088" | 5.6" | Xiaomi MI A3 has larger screen size than Microsoft Surface Duo. |
Screen Resolution (Display Resolution) | 1560 x 720 pixels | 1800 x 1350 pixels | Microsoft Surface Duo has better screen resolution than Xiaomi MI A3. |
Display Format | HD+ | - | |
Pixel Density | - | 401 ppi | |
Aspect Ratio | 19.5:9 | 4:3 | |
Contrast Ratio | 60000:1 | - | |
Display Features | 2.5D Glass, Dot Drop display | PixelSense Fusion Displays | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
SECOND DISPLAY |
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Second Display Type | - | OLED display - colour | |
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Second Display Screen Size | - | 5.6" | |
Second Display Resolution | - | 1800 x 1350 pixels |
UNFOLDED DISPLAY |
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Unfolded Display Screen Size | - | 8.1 in | |
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Unfolded Display Resolution | - | 2700 x 1800 pixels |
PROCESSOR | Xiaomi MI A3 | Microsoft Surface Duo |
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Processor Type (CPU) | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 855 | |
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Clock Speed | 2 GHz | - | |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 610 | - |
MEMORY | Xiaomi MI A3 | Microsoft Surface Duo |
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RAM | LPDDR4X SDRAM - 4 GB | 6 GB | Microsoft Surface Duo has more RAM than Xiaomi MI A3. |
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Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Microsoft Surface Duo has more internal memory than Xiaomi MI A3. |
Memory Interface | - | UFS 3.0 | |
Supported Flash Memory Cards (Expandable Memory) | Up to 256 GB | - |
CAMERA | Xiaomi MI A3 | Microsoft Surface Duo |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 0 | |
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Sensor Resolution | 48 Megapixel | - | |
Sensor Size | 1/2" | - | |
Lens Aperture | F/1.79 | - | |
Lens Construction | 6-element | - | |
Pixel Size | 1.6 μm | - | |
Focus Adjustment | Automatic | - | |
Camera Modes | AI portrait mode | - | |
Light Source | Flash | - | |
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 | - | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes | - |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 8 Megapixel | - | |
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Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
Lens Aperture (2nd Camera) | F/2.2 | - | |
Field of View (2nd Camera) | 118 degree(s) | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
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Camera Functions (3rd Camera) | Depth camera | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 32 Megapixel | 11 Megapixel | Xiaomi MI A3 has better front camera resolution than Microsoft Surface Duo. |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Lens Element Qty (Front) | 5-element | - | |
Field of View (Front) | 79 degree(s) | 84 degree(s) | Microsoft Surface Duo has larger front lens field of view than Xiaomi MI A3. |
Pixel Size (Front) | 1.6 μm | 1 μm | Xiaomi MI A3 has larger front camera pixel size than Microsoft Surface Duo. |
Focus Adjustment | Focus free | - | |
Special Effects (Front) | - | HDR | |
Camera Modes (Front) | Selfie panorama, AI portrait mode, AI Beautify | Burst mode, Panorama, low-light shots, Portrait mode with adjustable depth control | |
Light Source (Front) | - | High CRI LED flash | |
Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps | |
Camera Features (Front) | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock | Phase Detect Auto-Focus (PDAF), FOV optimised with AI (for front and rear), dynamic range scene detection, Super-resolution zoom, super zoom up to 7x, gyro-based digital video stabilisation |
BATTERY AND CHARGING | Xiaomi MI A3 | Microsoft Surface Duo |
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Battery Capacity (Battery Size) | 4030 mAh | 3577 mAh | Xiaomi MI A3 has larger battery capacity than Microsoft Surface Duo. |
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Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | Xiaomi MI A3 has fast charging technology. |
Standby Time | - | 240 hours | |
Talk Time | - | 1620 minutes | |
Run Time Details | - | Standby: up to 240 hrs Talk: up to 1620 min Playback (local video): up to 15.5 hrs |
CELLULAR | Xiaomi MI A3 | Microsoft Surface Duo |
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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 | - | Android 10 | |
Intelligent Assistant | Google Assistant | Google Assistant | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | Xiaomi MI A3 | Microsoft Surface Duo |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, FDD-LTE, TDD-LTE, LAA | |
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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 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 850, 900 | |
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 13, Band 14, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, 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 700c, FDD 700 PS, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 | |
Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11ac | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
Messaging Services | SMS, MMS | - |
MEDIA | Xiaomi MI A3 | Microsoft Surface Duo |
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Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTTTL, RTX, OTA, MID | |
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Supported Digital Video Standards | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
Sound Enhancements | - | Qualcomm aptX audio |
FEATURES | Xiaomi MI A3 | Microsoft Surface Duo |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | Proximity sensor, hall sensor, dual accelerometers, dual gyroscope, dual magnetometer, dual ambient light sensor | |
Security Devices | Fingerprint reader (under display) | Fingerprint reader (side) | |
Additional Phone Features | AI face unlock | MIMO technology, Fast Charging, dual microphones with noise suppression and echo cancellation, Full Duplex communication, 360° hinge, stylus support, two apps side-by-side |
OTHERS | Xiaomi MI A3 | Microsoft Surface Duo |
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Included Accessories | Power adapter, SIM card removal tool, USB-C cable, soft case | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) |
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