In depth comparison and review of Microsoft Surface Duo and Xiaomi POCO M4 Pro 5G. 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 | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Folder - dual screen | Touch | |
| Height | 145.2 mm | 163.56 mm | Xiaomi POCO M4 Pro 5G has greater height than Microsoft Surface Duo. |
| Width | 93.3 mm | 75.78 mm | Microsoft Surface Duo has greater width than Xiaomi POCO M4 Pro 5G. |
| Depth | 9.9 mm | 8.75 mm | Xiaomi POCO M4 Pro 5G is narrower than Microsoft Surface Duo. |
| Weight | 250 g | 195 g | Xiaomi POCO M4 Pro 5G is lighter than Microsoft Surface Duo. |
| Dimensions Details | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | - | |
| Body Colour | Glacier | Cool blue | Power black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.726 W/kg (head), 1.478 W/kg (body) | 0.999 W/kg (body), 0.594 W/kg (head), 1.989 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | LCD | |
| Foldable Display | Yes | - | |
| Display Design | Both directions folding | - | |
| Screen Size (Display Size) | 5.6" | 6.6" | Xiaomi POCO M4 Pro 5G has larger screen size than Microsoft Surface Duo. |
| Screen Resolution (Display Resolution) | 1800 x 1350 pixels | 2400 x 1080 pixels | Xiaomi POCO M4 Pro 5G has better screen resolution than Microsoft Surface Duo. |
| Display Format | - | Full HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | 4:3 | - | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | PixelSense Fusion Displays | Sunlight Display, DCI-P3 Wide colour gamut, Dot Display, DynamicSwitch refresh rate | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| SECOND DISPLAY |
|---|
| Second Display Type | OLED display - colour | - | |
|---|---|---|---|
| Second Display Screen Size | 5.6" | - | |
| Second Display Resolution | 1800 x 1350 pixels | - |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | 8.1 in | - | |
|---|---|---|---|
| Unfolded Display Resolution | 2700 x 1800 pixels | - |
| PROCESSOR | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | MediaTek Dimensity 810 | |
|---|---|---|---|
| Clock Speed | - | 2.4 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | ARM Mali-G57 |
| MEMORY | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 6 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Memory Interface | UFS 3.0 | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 0 | 2 | |
|---|---|---|---|
| Sensor Resolution | - | 50 Megapixel | |
| Lens Aperture | - | F/1.8 | |
| Camera Modes | - | Night mode | |
| Light Source | - | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 119 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 11 Megapixel | 16 Megapixel | Xiaomi POCO M4 Pro 5G has better front camera resolution than Microsoft Surface Duo. |
| Lens Aperture (Front) | F/2.0 | F/2.45 | Microsoft Surface Duo has better front lens aperture than Microsoft Surface Duo. |
| Field of View (Front) | 84 degree(s) | - | |
| Pixel Size (Front) | 1 μm | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Burst mode, Panorama, low-light shots, Portrait mode with adjustable depth control | Selfie mode | |
| Light Source (Front) | High CRI LED flash | - | |
| Video Resolutions (Front) | 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) | 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 | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Battery Capacity (Battery Size) | 3577 mAh | 5000 mAh | Xiaomi POCO M4 Pro 5G has larger battery capacity than Microsoft Surface Duo. |
|---|---|---|---|
| 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 |
Playback (Music): up to 179 hrs Reading: up to 33 hrs Playback (video): up to 16 hrs Gaming: up to 12 hrs |
| CELLULAR | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi POCO M4 Pro 5G has more advanced generation mobile network. |
| Operating System | Android 10 | Android 11 | |
| User Interface | - | MIUI 12.5 | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, Galileo |
| COMMUNICATIONS | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Data Transmission | GPRS, FDD-LTE, TDD-LTE, LAA | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 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 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 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | |
| 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 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 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | Xiaomi POCO M4 Pro 5G has NFC reader for mobile payments. |
| MEDIA | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTTTL, RTX, OTA, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | - | |
| Sound Enhancements | Qualcomm aptX audio | - |
| FEATURES | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Proximity sensor, hall sensor, dual accelerometers, dual gyroscope, dual magnetometer, dual ambient light sensor | Accelerometer, ambient light sensor, digital compass, gyroscope | |
| Security Devices | Fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | MIMO technology, Fast Charging, dual microphones with noise suppression and echo cancellation, Full Duplex communication, 360° hinge, stylus support, two apps side-by-side | Infrared remote control, Fast Charging, dual stereo speakers, X-axis linear vibration motor |
| OTHERS | Microsoft Surface Duo | Xiaomi POCO M4 Pro 5G |
|---|
| Included Accessories | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) | Power adapter, SIM card removal tool, USB-C cable, protective case |
|---|
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