In depth comparison and review of Samsung Galaxy S8 and Vivo V21 5G. 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 S8 | Vivo V21 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G950FD | V2050 | |
| Form Factor | Touch | Touch | |
| Height | 148.9 mm | 159.68 mm | Vivo V21 5G has greater height than Samsung Galaxy S8. |
| Width | 68.1 mm | 73.9 mm | Vivo V21 5G has greater width than Samsung Galaxy S8. |
| Depth | 8 mm | 7.29 mm | Vivo V21 5G is narrower than Samsung Galaxy S8. |
| Weight | 155 g | 176 g | Samsung Galaxy S8 is lighter than Samsung Galaxy S8. |
| Body Colour | Gold maple | Midnight black | Dusk blue | Sunset dazzle | |
| Body Material | - | Matte glass | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S8 is waterproof. |
| IP rating | IP68 | IP52 | |
| SAR Value | 1.55 W/kg (simultaneous), 0.75 W/kg (body), 0.44 W/kg (head) | 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head) | |
| Integrated Components | Heart rate sensor | - | |
| 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 | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Quad HD+ Super AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.8" | 6.44" | Vivo V21 5G has larger screen size than Samsung Galaxy S8. |
| Screen Resolution (Display Resolution) | 2960 x 1440 pixels | 2404 x 1080 pixels | Samsung Galaxy S8 has better screen resolution than Vivo V21 5G. |
| Display Format | - | Full HD+ | |
| Pixel Density | 570 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 800 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 6000000:1 | |
| HDR | - | Yes | Vivo V21 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Always-on display | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| Processor Type (CPU) | Samsung Exynos | MediaTek Dimensity 800U | |
|---|---|---|---|
| Processor Number | 8895 | - | |
| Clock Speed | 2.3 GHz | 2.4 GHz | Vivo V21 5G has higher clock speed than Samsung Galaxy S8. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy S8 has 64-bit architecture. |
| Graphics System (GPU) | Mali-G71 MP20 | - |
| MEMORY | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| RAM | LPDDR4 SDRAM - 4 GB | 8 GB | Vivo V21 5G has more RAM than Samsung Galaxy S8. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Vivo V21 5G has more internal memory than Samsung Galaxy S8. |
| User Memory | 52.3 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 64 Megapixel | Vivo V21 5G has better camera resolution than Samsung Galaxy S8. |
| Sensor Size | 1/2.55" | - | |
| Lens Aperture | F/1.7 | F/1.79 | Samsung Galaxy S8 has better lens aperture than Samsung Galaxy S8. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | 4-axis OIS (Optical Image Stabilisation) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Digital Zoom | 8x | 10x | Vivo V21 5G has better digital zoom than Samsung Galaxy S8. |
| Self-Timer Delay | Yes | - | |
| Special Effects | Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers | Bokeh effect | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, Timer mode, Virtual Shot, HYPERLAPSE, Food mode | Beauty mode, Night, Filter mode, Portrait video, Dual video mode, ultra stable video, kid's face beauty, double exposure | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S8 has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | Dual LED flash | 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 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 3840 x 2160 (4K), 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Selective Focus, Quick Launch, Playback zoom, Dual Pixel technology, Motion photo, Exposure, Shutter speed, geotagging, RAW image capture, VDIS (Video Digital Image Stabilisation) | Eye Autofocus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Super macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 44 Megapixels | Vivo V21 5G has better front camera resolution than Samsung Galaxy S8. |
| Sensor Size (Front) | 1/3.6" | - | |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | F/1.7 | F/2.0 | Samsung Galaxy S8 has better front lens aperture than Samsung Galaxy S8. |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Slow motion video, Virtual Shot | Beauty mode, Night, Filter mode, Dual video mode, ultra stable video, kid's face beauty, double exposure, AI night portrait | |
| Light Source (Front) | - | Dual LED flash | |
| Video Resolutions (Front) | - | 3840 x 2160 (4K) | |
| Camera Features (Front) | - | Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus |
| BATTERY AND CHARGING | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | Vivo V21 5G has larger battery capacity than Samsung Galaxy S8. |
|---|---|---|---|
| Wireless Charging | Yes | - | Samsung Galaxy S8 can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA | - | |
| Standby Time | 81.12 hours | - | |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 1200 min Active online usage (Wi-Fi): up to 14 hrs Active online usage (3G): up to 11 hrs Active online usage (LTE): up to 12 hrs Playback (audio (Always On Display Off)): up to 67 hrs Playback (audio (Always On Display On)): up to 44 hrs Playback (video): up to 16 hrs |
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| CELLULAR | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Vivo V21 5G has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | Funtouch OS 11.1 (based on Android 11) | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 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 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 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 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 17, Band 18, Band 19, Band 20, 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 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, 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, n3, n7, n8, n28, n41, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.1 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, apt-X, DSF, DSD, MXMF, OGA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, 3GP, MP4 |
| FEATURES | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope | |
| Security Devices | Fingerprint reader, eye scan | Fingerprint reader (under display) | |
| Additional Phone Features | Face Unlock, Wi-Fi Miracast, MU-MIMO technology, Fast Charging, Samsung KNOX | Fast Charging, 3 GB of external memory space for RAM |
| OTHERS | Samsung Galaxy S8 | Vivo V21 5G |
|---|
| Included Accessories | Stereo headset, USB cable, power adapter, SIM card removal tool, micro-USB connector, 2 pair ear plugs, USB-C to Micro-USB Adapter | Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | IP68 | IP52 | |
| Max Depth of Water Resistance | 1.5 m | - |
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