In depth comparison and review of Microsoft Surface Duo and Samsung Galaxy Z Flip4. 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 | Samsung Galaxy Z Flip4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-F721B | |
| Form Factor | Folder - dual screen | Folder (flip) - touch screen, dual screen | |
| Height | 145.2 mm | 165.2 mm | Samsung Galaxy Z Flip4 has greater height than Microsoft Surface Duo. |
| Width | 93.3 mm | 71.9 mm | Microsoft Surface Duo has greater width than Samsung Galaxy Z Flip4. |
| Depth | 9.9 mm | 6.9 mm | Samsung Galaxy Z Flip4 is narrower than Microsoft Surface Duo. |
| Weight | 250 g | 187 g | Samsung Galaxy Z Flip4 is lighter than Microsoft Surface Duo. |
| Dimensions Details | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | Unfolded - 71.9 mm x 6.9 mm x 165.2 mm Folded - 71.9 mm x 17.1 mm x 84.9 mm |
|
| Body Colour | Glacier | Blue | Bora purple | Pink gold | Graphite | |
| Body Material | - | Corning Gorilla Glass Victus, Armour Aluminium frame | |
| Protection | - | Water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy Z Flip4 is waterproof. |
| IP rating | - | IPX8 | |
| SAR Value | 0.726 W/kg (head), 1.478 W/kg (body) | 2.75 W/kg (limb), 1.151 W/kg (head), 1.198 W/kg (body) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | Dynamic AMOLED 2X | |
| Foldable Display | Yes | Yes | |
| Display Design | Both directions folding | Inward folding | |
| Screen Size (Display Size) | 5.6" | 6.7" | Samsung Galaxy Z Flip4 has larger screen size than Microsoft Surface Duo. |
| Screen Resolution (Display Resolution) | 1800 x 1350 pixels | 2640 x 1080 pixels | Samsung Galaxy Z Flip4 has better screen resolution than Microsoft Surface Duo. |
| Display Format | - | Full HD+ | |
| Pixel Density | 401 ppi | 425 ppi | Samsung Galaxy Z Flip4 has better pixel density than Microsoft Surface Duo. |
| Aspect Ratio | 4:3 | - | |
| Colour Depth | - | 16.7 million colours | |
| HDR | - | Yes | Samsung Galaxy Z Flip4 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | PixelSense Fusion Displays | AOD(Always On Display), Video Wallpaper | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Samsung Ultra Thin Glass |
| SECOND DISPLAY |
|---|
| Second Display Type | OLED display - colour | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | 5.6" | 1.9" | |
| Second Display Resolution | 1800 x 1350 pixels | 512 x 260 pixels | |
| Second Display Colour Depth | - | 16.7 million colours |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | 8.1 in | 6.7 in | |
|---|---|---|---|
| Unfolded Display Resolution | 2700 x 1800 pixels | 2640 x 1080 pixels |
| PROCESSOR | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | - | |
|---|---|---|---|
| Clock Speed | - | 3.18 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| RAM | 6 GB | 8 GB | Samsung Galaxy Z Flip4 has more RAM than Microsoft Surface Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | - | 99.8 GB | |
| Memory Interface | UFS 3.0 | UFS 3.1 |
| CAMERA | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 0 | 2 | |
|---|---|---|---|
| Sensor Resolution | - | 12 Megapixel | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | - | F/1.8 | |
| Field of View (FoV) | - | 83 degree(s) | |
| Pixel Size | - | 1.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy Z Flip4 has optical stabilisation. |
| Focus Adjustment | - | Automatic | |
| Digital Zoom | - | 10x | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Grid Line | |
| Camera Modes | - | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Quick Shot, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Portrait, Night, Mountain, Filter mode, Single Take, Pro Video, Portrait video, Director's View | |
| Light Source | - | High CRI 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, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 30 fps | |
| Camera Features (Functions) | - | Playback zoom, Motion photo, QR-code scanner, RAW image capture, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Dual Pixel Autofocus technology, AR sticker, Scene Optimiser, Flaw detection, Shot suggestions, AR Emoji, HDR10+ recording, Super steady, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Corning Gorilla Glass DX (protective lens glass), Auto FPS, AR Emoji Studio, Deco PIC, FlexCam |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 11 Megapixel | 10 Megapixel | Microsoft Surface Duo has better front camera resolution than Samsung Galaxy Z Flip4. |
| Lens Aperture (Front) | F/2.0 | F/2.4 | Microsoft Surface Duo has better front lens aperture than Microsoft Surface Duo. |
| Field of View (Front) | 84 degree(s) | 80 degree(s) | Microsoft Surface Duo has larger front lens field of view than Samsung Galaxy Z Flip4. |
| Pixel Size (Front) | 1 μm | 1.22 μm | Samsung Galaxy Z Flip4 has larger front camera pixel size than Microsoft Surface Duo. |
| Focus Adjustment | - | Focus free | |
| 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 | Samsung Galaxy Z Flip4 |
|---|
| Battery Capacity (Battery Size) | 3577 mAh | 3700 mAh | Samsung Galaxy Z Flip4 has larger battery capacity than Microsoft Surface Duo. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | Samsung Galaxy Z Flip4 has fast charging technology. |
| Wireless Charging | - | Yes | Samsung Galaxy Z Flip4 can be charged wirelessly. |
| Wireless Charging Standards | - | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare, Reverse wireless charging | |
| Standby Time | 240 hours | - | |
| Talk Time | 1620 minutes | 2040 minutes | Samsung Galaxy Z Flip4 has longer battery life when making calls than Microsoft Surface Duo. |
| Run Time Details | Standby: up to 240 hrs Talk: up to 1620 min Playback (local video): up to 15.5 hrs |
Talk (4G): up to 2040 min Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (wireless video): up to 19 hrs Playback (wireless audio): up to 56 hrs |
| CELLULAR | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy Z Flip4 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 12 | |
| User Interface | - | One UI | |
| Intelligent Assistant | Google Assistant | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| Data Transmission | GPRS, FDD-LTE, TDD-LTE, LAA | FDD-LTE, TDD-LTE, LAA, 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 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n77, n78, n40, n25, n12 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12 | |
| Wireless Interface | IEEE 802.11ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 LE | |
| NFC | - | Yes | Samsung Galaxy Z Flip4 has NFC reader for mobile payments. |
| MEDIA | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Qualcomm aptX audio | Dolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound |
| FEATURES | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | |
| Security Devices | Fingerprint reader (side) | Face recognition, 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 | MIMO technology, Samsung KNOX, High AOP Mic, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, Flex mode |
| OTHERS | Microsoft Surface Duo | Samsung Galaxy Z Flip4 |
|---|
| Included Accessories | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) | SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | VDE, IPX8 | |
| Max Depth of Water Resistance | - | 1.5 m |
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