In depth comparison and review of Samsung Galaxy S21+ 5G 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 | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G996B/DS | - | |
| Form Factor | Touch | Folder - dual screen | |
| Height | 161.5 mm | 145.2 mm | Samsung Galaxy S21+ 5G has greater height than Microsoft Surface Duo 2. |
| Width | 75.6 mm | 92.1 mm | Microsoft Surface Duo 2 has greater width than Samsung Galaxy S21+ 5G. |
| Depth | 7.8 mm | 11 mm | Samsung Galaxy S21+ 5G is narrower than Samsung Galaxy S21+ 5G. |
| Weight | 200 g | 284 g | Samsung Galaxy S21+ 5G is lighter than Samsung Galaxy S21+ 5G. |
| Dimensions Details | - | Unfolded - 184.5 mm x 5.5 mm x 145.2 mm | |
| Body Colour | Phantom black | Phantom silver | Phantom violet | Phantom gold | Phantom red | Glacier | Obsidian | |
| Body Material | - | Corning Gorilla Glass | |
| Protection | Dustproof, splashproof, water-resistant | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S21+ 5G is waterproof. |
| IP rating | IP68 | - | |
| Repairability Index | - | 3.9 (out of 10) | |
| SAR Value | 1.335 W/kg (body), 0.541 W/kg (head), 2.23 W/kg (limb) | 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 | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | AMOLED | |
| Foldable Display | - | Yes | |
| Display Design | - | Both directions folding | |
| Screen Size (Display Size) | 6.7" | 5.8" | Samsung Galaxy S21+ 5G has larger screen size than Microsoft Surface Duo 2. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1344 x 1892 pixels | Samsung Galaxy S21+ 5G has better screen resolution than Microsoft Surface Duo 2. |
| Display Format | Full HD+ | - | |
| Pixel Density | 394 ppi | 401 ppi | Microsoft Surface Duo 2 has better pixel density than Samsung Galaxy S21+ 5G. |
| Aspect Ratio | - | 13:9 | |
| Max Brightness | - | 800 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | Eye Comfort Shield | - | |
| Display Refresh Rate | 120 Hz | 90 Hz | Samsung Galaxy S21+ 5G has better refresh rate than Microsoft Surface Duo 2. |
| Display Features | AOD(Always On Display) | DCI-P3 Wide colour gamut, 100% sRGB, Dual PixelSense Fusion Displays | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 5.8" | |
| Second Display Resolution | - | 1344 x 1892 pixels |
| UNFOLDED DISPLAY |
|---|
| Unfolded Display Screen Size | - | 8.3 in | |
|---|---|---|---|
| Unfolded Display Resolution | - | 2688 x 1892 pixels |
| PROCESSOR | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Processor Type (CPU) | Samsung Exynos 2100 | Qualcomm Snapdragon 888 5G | |
|---|---|---|---|
| Clock Speed | 2.9 GHz | - | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Mali-G78 MP14 | - |
| MEMORY | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | LPDDR5 SDRAM - 8 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 102.2 GB | - |
| CAMERA | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Lens Type | Ultra wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/1.7 | Microsoft Surface Duo 2 has better lens aperture than Samsung Galaxy S21+ 5G. |
| Field of View (FoV) | 120 degree(s) | - | |
| Pixel Size | 1.4 μm | 1.4 μm | Both phones have the same camera pixel size. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | - | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 30x | 10x | Samsung Galaxy S21+ 5G has better digital zoom than Microsoft Surface Duo 2. |
| Self-Timer Delay | Yes | - | |
| Special Effects | Face retouch, Grid Line | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, 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, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View | Night mode, Auto mode, low-light shots, Panorama mode with wide dynamic range, slow motion video at 120 or 240fps | |
| Light Source | High CRI LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) 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, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 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) | Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video | 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 |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 12 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/1.76" | - | |
| Lens Type (2nd Camera) | Wide-angle lens | Telephoto lens | |
| Lens Aperture (2nd Camera) | F/1.8 | F/2.4 | Samsung Galaxy S21+ 5G has better second camera lens aperture than Samsung Galaxy S21+ 5G. |
| Field of View (2nd Camera) | 79 degree(s) | - | |
| Pixel Size (2nd Camera) | 1.8 μm | 1 μm | Samsung Galaxy S21+ 5G has larger second camera pixel size than Microsoft Surface Duo 2. |
| 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) | OIS (Optical Image Stabilisation), Super Speed Dual Pixel AF | Phase Detect Auto-Focus (PDAF) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 64 Megapixel | 16 Megapixel | Samsung Galaxy S21+ 5G has higher resolution third camera than Microsoft Surface Duo 2. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/1.72" | - | |
| Lens Type (3rd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (3rd Camera) | F/2.0 | F/2.2 | Samsung Galaxy S21+ 5G has better third camera lens aperture than Samsung Galaxy S21+ 5G. |
| Field of View (3rd Camera) | 76 degree(s) | 110 degree(s) | Microsoft Surface Duo 2 has larger third camera lens field of view than Samsung Galaxy S21+ 5G. |
| Pixel Size (3rd Camera) | 0.8 μm | 1 μm | Microsoft Surface Duo 2 has larger third camera pixel size than Samsung Galaxy S21+ 5G. |
| Camera Features (3rd Camera) | Phase Detect Auto-Focus (PDAF) | Field of view, distortion correction |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 12 Megapixel | Microsoft Surface Duo 2 has better front camera resolution than Samsung Galaxy S21+ 5G. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Microsoft Surface Duo 2 has better front lens aperture than Samsung Galaxy S21+ 5G. |
| Field of View (Front) | 80 degree(s) | - | |
| Pixel Size (Front) | 1.22 μm | 1 μm | Samsung Galaxy S21+ 5G has larger front camera pixel size than Microsoft Surface Duo 2. |
| Focus Adjustment | Automatic | - | |
| Camera Features (Front) | Dual Pixel AF | - |
| BATTERY AND CHARGING | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Battery Capacity (Battery Size) | 4800 mAh | 4449 mAh | Samsung Galaxy S21+ 5G has larger battery capacity than Microsoft Surface Duo 2. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | - | Samsung Galaxy S21+ 5G has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S21+ 5G can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Talk Time | 2400 minutes | 1680 minutes | Samsung Galaxy S21+ 5G has longer battery life when making calls than Microsoft Surface Duo 2. |
| Run Time Details | Talk (4G): up to 2400 min Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (wireless video): up to 22 hrs Playback (wireless audio): up to 75 hrs |
Talk: up to 1680 min Playback (local video): up to 15.5 hrs |
| CELLULAR | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 11 | Android 11 | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, FDD-LTE, TDD-LTE, Gigabit 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 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 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 5.0 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A, apt-X, IMY, RTX, OTA, MID, TWS, RTTL | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, 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 Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | Qualcomm aptX HD audio, Qualcomm aptX Classic |
| FEATURES | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| 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 | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | 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 | Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster | MIMO technology, Fast Charging, dual battery, Full Duplex communication, dual microphones with AI-based noise suppression and acoustic echo cancellation |
| OTHERS | Samsung Galaxy S21+ 5G | Microsoft Surface Duo 2 |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable | SIM card removal tool, USB-C headset, Surface Duo 2 USB-C cable | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | HEARING AID M4/T3 | |
| Max Depth of Water Resistance | 1.5 m | - |
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