In depth comparison and review of Microsoft Surface Duo and emporiaSMART.4. 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 | emporiaSMART.4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Folder - dual screen | Touch | |
| Height | 145.2 mm | 138 mm | Microsoft Surface Duo has greater height than emporiaSMART.4. |
| Width | 93.3 mm | 66 mm | Microsoft Surface Duo has greater width than emporiaSMART.4. |
| Depth | 9.9 mm | 11 mm | Microsoft Surface Duo is narrower than Microsoft Surface Duo. |
| Weight | 250 g | 155 g | emporiaSMART.4 is lighter than Microsoft Surface Duo. |
| Dimensions Details | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | - | |
| Body Colour | Glacier | Black | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP54 | |
| SAR Value | 0.726 W/kg (head), 1.478 W/kg (body) | 1.4 W/kg (body), 0.47 W/kg (head), 2.95 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Microsoft Surface Duo | emporiaSMART.4 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Foldable Display | Yes | - | |
| Display Design | Both directions folding | - | |
| Screen Size (Display Size) | 5.6" | 5" | Microsoft Surface Duo has larger screen size than emporiaSMART.4. |
| Screen Resolution (Display Resolution) | 1800 x 1350 pixels | 960 x 480 pixels | Microsoft Surface Duo has better screen resolution than emporiaSMART.4. |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | 4:3 | - | |
| Display Features | PixelSense Fusion Displays | - | |
| 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 | emporiaSMART.4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | - | |
|---|---|---|---|
| Clock Speed | - | 1.5 GHz | |
| Processor Core Qty | 8-core | Quad-core | Microsoft Surface Duo has higher processor core quantity than emporiaSMART.4. |
| MEMORY | Microsoft Surface Duo | emporiaSMART.4 |
|---|
| RAM | 6 GB | 3 GB | Microsoft Surface Duo has more RAM than emporiaSMART.4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Microsoft Surface Duo has more internal memory than emporiaSMART.4. |
| Memory Interface | UFS 3.0 | - | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 64 GB |
| CAMERA | Microsoft Surface Duo | emporiaSMART.4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 0 | 1 | |
|---|---|---|---|
| Sensor Resolution | - | 13 Megapixel | |
| Focus Adjustment | - | Automatic | |
| Light Source | - | LED flash | |
| Camera Features (Functions) | - | QR-code scanner |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 11 Megapixel | 5 Megapixel | Microsoft Surface Duo has better front camera resolution than emporiaSMART.4. |
| Lens Aperture (Front) | F/2.0 | - | |
| 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 | - | |
| 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 | emporiaSMART.4 |
|---|
| Battery Capacity (Battery Size) | 3577 mAh | 2500 mAh | Microsoft Surface Duo has larger battery capacity than emporiaSMART.4. |
|---|---|---|---|
| Standby Time | 240 hours | 168 hours | Microsoft Surface Duo has longer standby time than emporiaSMART.4. |
| Talk Time | 1620 minutes | 550 minutes | Microsoft Surface Duo has longer battery life when making calls than emporiaSMART.4. |
| Run Time Details | Standby: up to 240 hrs Talk: up to 1620 min Playback (local video): up to 15.5 hrs |
Talk: up to 550 min Standby: up to 168 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Microsoft Surface Duo | emporiaSMART.4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 10 | |
| User Interface | - | Emporia | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS |
| COMMUNICATIONS | Microsoft Surface Duo | emporiaSMART.4 |
|---|
| Data Transmission | GPRS, FDD-LTE, TDD-LTE, LAA | VoLTE, FDD-LTE, VoWiFi | |
|---|---|---|---|
| 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 | - | |
| 3G UMTS Frequency | 2100, 1900, 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 | - | |
| 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 | - | |
| Wireless Interface | IEEE 802.11ac | IEEE 802.11a/b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| NFC | - | Yes | emporiaSMART.4 has NFC reader for mobile payments. |
| MEDIA | Microsoft Surface Duo | emporiaSMART.4 |
|---|
| 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 | emporiaSMART.4 |
|---|
| 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 | - | |
| Security Devices | Fingerprint reader (side) | - | |
| 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 | SOS button, emporia emergency function, Alarm Clock |
| OTHERS | Microsoft Surface Duo | emporiaSMART.4 |
|---|
| Included Accessories | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) | Headset, power adapter, USB-C cable, additional battery cover without emergency call button | |
|---|---|---|---|
| Compliant Standards | - | IP54, HAC (Hearing Aid Compatible) |
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