In depth comparison and review of Microsoft Surface Duo and Motorola RAZR 40. 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 | Motorola RAZR 40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Folder - dual screen | Folder (flip) - touch screen, dual screen | |
| Height | 145.2 mm | 170.82 mm | Motorola RAZR 40 has greater height than Microsoft Surface Duo. |
| Width | 93.3 mm | 73.95 mm | Microsoft Surface Duo has greater width than Motorola RAZR 40. |
| Depth | 9.9 mm | 7.35 mm | Motorola RAZR 40 is narrower than Microsoft Surface Duo. |
| Weight | 250 g | 188.6 g | Motorola RAZR 40 is lighter than Microsoft Surface Duo. |
| Dimensions Details | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | Unfolded - 73.95 mm x 7.35 mm x 170.82 mm Folded - 73.95 mm x 15.8 mm x 88.24 mm |
|
| Body Colour | Glacier | Vanilla cream | Sage green | Summer lilac | |
| Body Material | - | Vegan leather, 7000 Series aluminium, Corning Gorilla Glass Victus | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | Motorola RAZR 40 is waterproof. |
| IP rating | - | IP52 | |
| SAR Value | 0.726 W/kg (head), 1.478 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 | Motorola RAZR 40 |
|---|
| Display Type | OLED display | pOLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED (LTPO) | |
| Foldable Display | Yes | Yes | |
| Display Design | Both directions folding | Inward folding | |
| Screen Size (Display Size) | 5.6" | 6.9" | Motorola RAZR 40 has larger screen size than Microsoft Surface Duo. |
| Screen Resolution (Display Resolution) | 1800 x 1350 pixels | 2640 x 1080 pixels | Motorola RAZR 40 has better screen resolution than Microsoft Surface Duo. |
| Display Format | - | Full HD+ | |
| Pixel Density | 401 ppi | 413 ppi | Motorola RAZR 40 has better pixel density than Microsoft Surface Duo. |
| Aspect Ratio | 4:3 | 22:9 | |
| Max Brightness | - | 1400 cd/m² | |
| Colour Depth | - | 1.07 billion colours | |
| HDR | - | Yes | Motorola RAZR 40 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 144 Hz | |
| Touch Sampling Rate | - | 360 Hz | |
| Display Features | PixelSense Fusion Displays | DCI-P3 Wide colour gamut, secondary screen: 282 PPI | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | - |
| SECOND DISPLAY |
|---|
| Second Display Type | OLED display - colour | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | 5.6" | 1.5" | |
| Second Display Resolution | 1800 x 1350 pixels | 194 x 368 pixels |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | 8.1 in | - | |
|---|---|---|---|
| Unfolded Display Resolution | 2700 x 1800 pixels | - |
| PROCESSOR | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 7 Gen 1 | |
|---|---|---|---|
| Clock Speed | - | 2.4 GHz | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | - | Qualcomm ADRENO 644 |
| MEMORY | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 8 GB | Motorola RAZR 40 has more RAM than Microsoft Surface Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | Motorola RAZR 40 has more internal memory than Microsoft Surface Duo. |
| Memory Interface | UFS 3.0 | UFS 2.2 |
| CAMERA | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 0 | 2 | |
|---|---|---|---|
| Sensor Resolution | - | 64 Megapixel | |
| Lens Aperture | - | F/1.7 | |
| Pixel Size | - | 0.7 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Motorola RAZR 40 has optical stabilisation. |
| Focus Adjustment | - | Automatic | |
| Laser Auto Focus | - | Yes | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR, Spot Colour | |
| Camera Modes | - | Panorama, Pro mode, BurstShot, Quick Shot, Watermark mode, tap anywhere to capture, Active photos, Portrait, Night Vision, Portrait video, Hyperlapse video, Live filter, Ultra-Res, Capture Dual, Scanner, Auto night vision, smart high resolution | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola RAZR 40 has face detection. |
| Light Source | - | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | - | Auto-Macro, video stabilisation, smart composition, Audio zoom, levelling, shot optimisation, Google Lens, Assistive Grid, Quad Pixel technology for 1.4 µm, keep last mode, horizon lock, smart noise cancellation |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Functions (2nd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 11 Megapixel | 32 Megapixel | Motorola RAZR 40 has better front camera resolution than Microsoft Surface Duo. |
| 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) | - | |
| Pixel Size (Front) | 1 μm | 0.7 μm | Microsoft Surface Duo has larger front camera pixel size than Motorola RAZR 40. |
| Focus Adjustment | - | Fixed focus | |
| Special Effects (Front) | HDR | HDR, photo booth, Spot Colour | |
| Camera Modes (Front) | Burst mode, Panorama, low-light shots, Portrait mode with adjustable depth control | Pro mode, BurstShot, Quick Shot, Watermark mode, Face Beauty, tap anywhere to capture, Active photos, Selfie Mirror, Portrait video, Gesture selfie, Hyperlapse video, Live filter, Capture Dual, Portrait mode beauty, Auto night vision | |
| Face Recognition (Face ID) | - | Auto smile capture | Motorola RAZR 40 has face detection. |
| Light Source (Front) | High CRI LED flash | Display 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 | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 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 | Self-timer, video stabilisation, Quad Pixel technology for 1.4 µm, levelling, Selfie animation, Assistive grid, keep last mode, smart noise cancellation |
| BATTERY AND CHARGING | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| Battery Capacity (Battery Size) | 3577 mAh | 4200 mAh | Motorola RAZR 40 has larger battery capacity than Microsoft Surface Duo. |
|---|---|---|---|
| Fast Charging Technology | - | TurboPower technology | Motorola RAZR 40 has fast charging technology. |
| Wireless Charging | - | Yes | Motorola RAZR 40 can be charged wirelessly. |
| 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 | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Motorola RAZR 40 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 13 | |
| User Interface | - | My UX | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, LTEPP, SUPL |
| COMMUNICATIONS | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| Data Transmission | GPRS, FDD-LTE, TDD-LTE, LAA | EDGE, HSPA+, LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 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 42, Band 43, Band 48, 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, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40, n26 | |
| 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, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 850 | |
| Wireless Interface | IEEE 802.11ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 | |
| NFC | - | Yes | Motorola RAZR 40 has NFC reader for mobile payments. |
| MEDIA | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTTTL, RTX, OTA, MID | Dolby Atmos | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | - | |
| Sound Enhancements | Qualcomm aptX audio | Surround sound, dual stereo speakers tuned by Dolby |
| FEATURES | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| 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, proximity sensor, digital compass, barometer, hall sensor, ultrasonic sensor, gyroscope | |
| Security Devices | Fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | 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 | Three microphones, dual stereo speakers |
| OTHERS | Microsoft Surface Duo | Motorola RAZR 40 |
|---|
| Included Accessories | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) | SIM card removal tool, USB-C cable, protective case, TurboPower 33W charger | |
|---|---|---|---|
| Compliant Standards | - | IP52 |
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