In depth comparison and review of Xiaomi Redmi Note 7 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 Redmi Note 7 | Microsoft Surface Duo |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Folder - dual screen | |
Height | 159.21 mm | 145.2 mm | Xiaomi Redmi Note 7 has greater height than Microsoft Surface Duo. |
Width | 75.21 mm | 93.3 mm | Microsoft Surface Duo has greater width than Xiaomi Redmi Note 7. |
Depth | 8.1 mm | 9.9 mm | Xiaomi Redmi Note 7 is narrower than Xiaomi Redmi Note 7. |
Weight | 186 g | 250 g | Xiaomi Redmi Note 7 is lighter than Xiaomi Redmi Note 7. |
Dimensions Details | - | Unfolded - 186.9 mm x 4.8 mm x 145.2 mm | |
Body Colour | Space black | Neptune blue | Glacier | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.274 W/kg (body), 0.591 W/kg (head), 2.885 W/kg (limb) | 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 | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | Xiaomi Redmi Note 7 | Microsoft Surface Duo |
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Display Type | LCD display | OLED display | |
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Display Technology | - | AMOLED | |
Foldable Display | - | Yes | |
Display Design | - | Both directions folding | |
Screen Size (Display Size) | 6.3" | 5.6" | Xiaomi Redmi Note 7 has larger screen size than Microsoft Surface Duo. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1800 x 1350 pixels | Xiaomi Redmi Note 7 has better screen resolution than Microsoft Surface Duo. |
Display Format | Full HD+ | - | |
Pixel Density | 409 ppi | 401 ppi | Xiaomi Redmi Note 7 has better pixel density than Microsoft Surface Duo. |
Aspect Ratio | 19:9 | 4:3 | |
Max Brightness | 500 cd/m² | - | |
Contrast Ratio | 1500:1 | - | |
Display Enhancement Technology | Sunlight mode | - | |
Display Features | Night Display, Reading mode, Colour temperature adjustment, 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 Redmi Note 7 | Microsoft Surface Duo |
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Processor Type (CPU) | Qualcomm Snapdragon 660 AIE | Qualcomm Snapdragon 855 | |
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Clock Speed | 2.2 GHz | - | |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | Xiaomi Redmi Note 7 has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 512 | - |
MEMORY | Xiaomi Redmi Note 7 | Microsoft Surface Duo |
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RAM | LPDDR4X SDRAM - 3 GB | 6 GB | Microsoft Surface Duo has more RAM than Xiaomi Redmi Note 7. |
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Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Microsoft Surface Duo has more internal memory than Xiaomi Redmi Note 7. |
Memory Interface | - | UFS 3.0 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
CAMERA | Xiaomi Redmi Note 7 | Microsoft Surface Duo |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 0 | |
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Sensor Resolution | 48 Megapixel | - | |
Lens Aperture | F/1.8 | - | |
Pixel Size | 1.6 μm | - | |
Focus Adjustment | Automatic | - | |
Special Effects | HDR, low light enhancement | - | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Burst mode, Panorama, AI portrait mode | - | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 7 has face detection. |
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, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | - | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, 27 different scenes, AI portrait mode with background blurring | - |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 5 Megapixel | - |
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FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 13 Megapixel | 11 Megapixel | Xiaomi Redmi Note 7 has better front camera resolution than Microsoft Surface Duo. |
Lens Aperture (Front) | - | F/2.0 | |
Field of View (Front) | - | 84 degree(s) | |
Pixel Size (Front) | - | 1 μm | |
Special Effects (Front) | HDR | HDR | |
Camera Modes (Front) | AI portrait mode, AI Beautify | Burst mode, Panorama, low-light shots, Portrait mode with adjustable depth control | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 7 has face detection. |
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) | Self-timer, AI background bluring, AI scene detection, 12 different scenes | 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 Redmi Note 7 | Microsoft Surface Duo |
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Battery Capacity (Battery Size) | 4000 mAh | 3577 mAh | Xiaomi Redmi Note 7 has larger battery capacity than Microsoft Surface Duo. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0 | - | Xiaomi Redmi Note 7 has fast charging technology. |
Standby Time | 251 hours | 240 hours | Xiaomi Redmi Note 7 has longer standby time than Microsoft Surface Duo. |
Talk Time | 1380 minutes | 1620 minutes | Microsoft Surface Duo has longer battery life when making calls than Xiaomi Redmi Note 7. |
Run Time Details | Talk: up to 1380 min Standby: up to 251 hrs Playback (video): up to 13 hrs Gaming: up to 7 hrs |
Standby: up to 240 hrs Talk: up to 1620 min Playback (local video): up to 15.5 hrs |
CELLULAR | Xiaomi Redmi Note 7 | 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 9.0 Pie | Android 10 | |
User Interface | MIUI 10 | - | |
Intelligent Assistant | - | Google Assistant | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | Xiaomi Redmi Note 7 | 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, 1900 GSM, 2100 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 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, 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 Redmi Note 7 | 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, MPEG-4, H.264, M4V, ASP | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
Sound Enhancements | - | Qualcomm aptX audio |
FEATURES | Xiaomi Redmi Note 7 | 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, digital compass, gyro sensor, distance sensor, vibration sensor | Proximity sensor, hall sensor, dual accelerometers, dual gyroscope, dual magnetometer, dual ambient light sensor | |
Security Devices | Fingerprint reader | Fingerprint reader (side) | |
Additional Phone Features | Infrared remote control, Dual microphones | 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 Redmi Note 7 | Microsoft Surface Duo |
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Included Accessories | USB cable, power adapter, SIM card removal tool, transparent soft case | SIM card removal tool, USB-C headphones, 18W charger, Surface Duo Bumper (Glacier) |
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