In depth comparison and review of OnePlus 9 Pro and Microsoft Surface Duo 2. 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 | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Folder - dual screen | |
Height | 163.2 mm | 145.2 mm | OnePlus 9 Pro has greater height than Microsoft Surface Duo 2. |
Width | 73.6 mm | 92.1 mm | Microsoft Surface Duo 2 has greater width than OnePlus 9 Pro. |
Depth | 8.7 mm | 11 mm | OnePlus 9 Pro is narrower than OnePlus 9 Pro. |
Weight | 197 g | 284 g | OnePlus 9 Pro is lighter than OnePlus 9 Pro. |
Dimensions Details | - | Unfolded - 184.5 mm x 5.5 mm x 145.2 mm | |
Body Colour | Morning mist | Stellar black | Glacier | Obsidian | |
Body Material | - | Corning Gorilla Glass | |
Waterproof (Water-resistant) | - | - | |
Repairability Index | - | 3.9 (out of 10) | |
SAR Value | 2.77 W/kg (limb), 1.26 W/kg (body), 0.99 W/kg (head) | 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 | Nano SIM, Electronic SIM card (e-SIM) | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Display Type | OLED display | OLED display | |
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Display Technology | Fluid Amoled | AMOLED | |
Foldable Display | - | Yes | |
Display Design | - | Both directions folding | |
Screen Size (Display Size) | 6.7" | 5.8" | OnePlus 9 Pro has larger screen size than Microsoft Surface Duo 2. |
Screen Resolution (Display Resolution) | 3216 x 1440 pixels | 1344 x 1892 pixels | OnePlus 9 Pro has better screen resolution than Microsoft Surface Duo 2. |
Pixel Density | 525 ppi | 401 ppi | OnePlus 9 Pro has better pixel density than Microsoft Surface Duo 2. |
Aspect Ratio | 20.1:9 | 13:9 | |
Max Brightness | - | 800 cd/m² | |
Colour Depth | 1.07 billion colours | - | |
HDR | - | Yes | Microsoft Surface Duo 2 has HDR. |
Display Refresh Rate | 120 Hz | 90 Hz | OnePlus 9 Pro has better refresh rate than Microsoft Surface Duo 2. |
Display Features | Reading mode, night mode, Wide colour display (P3), Vibrant Color Effect Pro, Motion Graphics Smoothing, sRGB support, Hyper Touch, Adaptive Display, Fluid Display 2.0 | DCI-P3 Wide colour gamut, 100% sRGB, Dual PixelSense Fusion Displays | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
SECOND DISPLAY |
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Second Display Type | - | OLED display - colour | |
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Second Display Screen Size | - | 5.8" | |
Second Display Resolution | - | 1344 x 1892 pixels |
UNFOLDED DISPLAY |
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Unfolded Display Screen Size | - | 8.3 in | |
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Unfolded Display Resolution | - | 2688 x 1892 pixels |
PROCESSOR | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Processor Type (CPU) | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 888 5G | |
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Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 660 | - |
MEMORY | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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RAM | LPDDR5 SDRAM - 8 GB | LPDDR5 SDRAM - 8 GB | Both phones have the same RAM size. |
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Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
Memory Interface | UFS 3.1 2-lane | - |
CAMERA | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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MAIN CAMERA |
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Number of Main Cameras | 4 | 3 | |
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Sensor Resolution | 48 Megapixel | 12 Megapixel | OnePlus 9 Pro has better camera resolution than Microsoft Surface Duo 2. |
Sensor Size | 1/1.43" | - | |
Sensor Name | Sony Exmor RS IMX789 sensor | - | |
Lens Aperture | F/1.8 | F/1.7 | Microsoft Surface Duo 2 has better lens aperture than OnePlus 9 Pro. |
Lens Construction | 7-element | - | |
Pixel Size | 1.12 μm | 1.4 μm | Microsoft Surface Duo 2 has larger camera pixel size than OnePlus 9 Pro. |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
Focus Adjustment | Automatic | - | |
Laser Auto Focus | Yes | - | |
Digital Zoom | - | 10x | |
Special Effects | HDR | HDR | |
Camera Modes | Panorama, Time-lapse mode, Pro mode, HYPERLAPSE, Nightscape capture mode, Portrait, Filter mode, Super Macro, Macro mode, Portrait video, UltraShot HDR, Tracking Shot, Smart Scene Recognition, Tilt-shift mode, Focus Peaking, Cat/Dog Face Focus, Super Stable, Video Nightscape | Night mode, Auto mode, low-light shots, Panorama mode with wide dynamic range, slow motion video at 120 or 240fps | |
Light Source | Dual LED flash | Dual 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 30fps, 3840 x 2160 (4K) at 120 fps | 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 (Functions) | Continuous Auto Focus (CAF), RAW image capture, All Pixel OmniDirectional PDAF, Hasselblad Camera, Natural Color Calibration | Dual Pixel Phase Detect Auto-Focus (PDAF), Smooth Zoom, HEVC (High Efficiency Video coding), HDR video recording, multi-frame photo capture, dynamic range scene detection |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 50 Megapixel | 12 Megapixel | OnePlus 9 Pro has better second camera resolution than Microsoft Surface Duo 2. |
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Sensor Size (2nd Camera) | 1/1.56" | - | |
Sensor Name (2nd Camera) | Sony Exmor RS IMX766 sensor | - | |
Lens Type (2nd Camera) | Ultra wide-angle lens | Telephoto lens | |
Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | OnePlus 9 Pro has better second camera lens aperture than OnePlus 9 Pro. |
Lens Element Qty (2nd Camera) | 7-element | - | |
Pixel Size (2nd Camera) | - | 1 μm | |
Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Microsoft Surface Duo 2 has optical stabilisation of the second camera. |
Optical Zoom | - | 2x | |
Camera Features (2nd Camera) | Freeform Lens | Phase Detect Auto-Focus (PDAF) |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 8 Megapixel | 16 Megapixel | Microsoft Surface Duo 2 has higher resolution third camera than OnePlus 9 Pro. |
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Lens Type (3rd Camera) | Telephoto lens | Ultra wide-angle lens | |
Lens Aperture (3rd Camera) | F/2.4 | F/2.2 | Microsoft Surface Duo 2 has better third camera lens aperture than OnePlus 9 Pro. |
Field of View (3rd Camera) | - | 110 degree(s) | |
Pixel Size (3rd Camera) | 1 μm | 1 μm | Both phones have the same third camera pixel size. |
Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OnePlus 9 Pro has optical stabilisation of the third camera. |
Camera Features (3rd Camera) | - | Field of view, distortion correction |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | 2 Megapixel | - | |
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Lens Element Qty (4th Camera) | 3-element | - | |
Camera Functions (4th Camera) | Monochrome | - |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 16 Megapixel | 12 Megapixel | OnePlus 9 Pro has better front camera resolution than Microsoft Surface Duo 2. |
Sensor Name (Front) | Sony Exmor RX IMX471 sensor | - | |
Lens Aperture (Front) | F/2.4 | F/2.0 | Microsoft Surface Duo 2 has better front lens aperture than OnePlus 9 Pro. |
Pixel Size (Front) | 1 μm | 1 μm | Both phones have the same front camera pixel size. |
Focus Adjustment | Focus free | - | |
Special Effects (Front) | HDR, face retouch | - | |
Camera Modes (Front) | Time-lapse mode | - | |
Light Source (Front) | Display flash | - | |
Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - | |
Camera Features (Front) | Electronic Image Stabiliser (EIS) | - |
BATTERY AND CHARGING | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Battery Capacity (Battery Size) | 4500 mAh | 4449 mAh | OnePlus 9 Pro has larger battery capacity than Microsoft Surface Duo 2. |
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Fast Charging Technology | Warp Charge 65T technology | - | OnePlus 9 Pro has fast charging technology. |
Wireless Charging | Yes | - | OnePlus 9 Pro can be charged wirelessly. |
Wireless Charging Standards | Qi, Warp Charge 50 Wireless | - | |
Talk Time | - | 1680 minutes | |
Run Time Details | - | Talk: up to 1680 min Playback (local video): up to 15.5 hrs |
CELLULAR | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
Operating System | OxygenOS (based on Android 11) | Android 11 | |
Intelligent Assistant | - | Google Assistant | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Data Transmission | LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, FDD-LTE, TDD-LTE, Gigabit LTE, LAA, 5G NR FR1 | |
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2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 | Band 1, Band 2, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900, 1700, 800 | 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 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 | 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 42, Band 46, Band 48, Band 66, Band 71 | |
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 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 | 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 3500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | N1, n2, n3, n5, n7, n20, n28, n38, n41, n66, n71, n77, n78, n79, n25 | |
5G NR Frequency | FDD 2100, 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 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD TD 4500, FDD 1900 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11ax | |
Bluetooth | Bluetooth 5.2 | Bluetooth 5.1 | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Modem | Snapdragon X60 5G | - |
MEDIA | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Supported Digital Audio Standards | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, apt-X HD, EAC3-JOC, AC-4 | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTX, OTA, MID, TWS, RTTL | |
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Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP, H.264, TS, M2TS, WebM, HEVC, 3G2, HEIF, H.265 HEVC, HEIC | |
Sound Enhancements | Dolby Atmos sound technology | Qualcomm aptX HD audio, Qualcomm aptX Classic |
FEATURES | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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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, proximity sensor, digital compass, gyro sensor, RGB sensor, flicker sensor, sensor core | Hall sensor, Time of Flight (ToF), dual accelerometers, dual gyroscope, dual magnetometer, dual ambient light sensor, dual proximity sensor | |
Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader (side) | |
Additional Phone Features | Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider, dual stereo speakers | MIMO technology, Fast Charging, dual battery, Full Duplex communication, dual microphones with AI-based noise suppression and acoustic echo cancellation |
OTHERS | OnePlus 9 Pro | Microsoft Surface Duo 2 |
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Included Accessories | SIM card removal tool, sticker, screen protector, protective case, Warp Charge 65 power adapter, Warp Type-C cable | SIM card removal tool, USB-C headset, Surface Duo 2 USB-C cable | |
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Compliant Standards | - | HEARING AID M4/T3 |