In depth comparison and review of Samsung Galaxy S21 5G and Cisco Webex 840S. 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 | Cisco Webex 840S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G991U1 | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 151.7 mm | 133 mm | Samsung Galaxy S21 5G has greater height than Cisco Webex 840S. |
| Width | 71.2 mm | 66 mm | Samsung Galaxy S21 5G has greater width than Cisco Webex 840S. |
| Depth | 7.9 mm | 13 mm | Samsung Galaxy S21 5G is narrower than Samsung Galaxy S21 5G. |
| Weight | 171 g | 200 g | Samsung Galaxy S21 5G is lighter than Samsung Galaxy S21 5G. |
| Body Colour | Phantom grey | Phantom white | - | |
| Protection | Dustproof, splashproof, water-resistant | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IP68, IEC 60529 IP54 | |
| SAR Value | 1.58 W/kg (simultaneous), 1.11 W/kg (wireless router), 1.08 W/kg (body), 0.74 W/kg (head) | - | |
| Integrated Components | - | Barcode scanner | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | - | |
| SIM Card Qty | Dual-SIM | - |
| DISPLAY | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | - | |
| Screen Size (Display Size) | 6.2" | 4" | Samsung Galaxy S21 5G has larger screen size than Cisco Webex 840S. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 800 x 480 pixels | Samsung Galaxy S21 5G has better screen resolution than Cisco Webex 840S. |
| Display Format | Full HD+ | - | |
| Pixel Density | 421 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | - | Samsung Galaxy S21 5G has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | Eye Comfort Shield | - | |
| Display Refresh Rate | 120 Hz | - | |
| Display Features | AOD(Always On Display), Video Wallpaper | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | Dragontrail glass |
| PROCESSOR | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 888 | - | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 1.8 GHz | Samsung Galaxy S21 5G has higher clock speed than Cisco Webex 840S. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| MEMORY | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | 3 GB | Samsung Galaxy S21 5G has more RAM than Cisco Webex 840S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Samsung Galaxy S21 5G has more internal memory than Cisco Webex 840S. |
| User Memory | 101.2 GB | - |
| CAMERA | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 8 Megapixel | Samsung Galaxy S21 5G has better camera resolution than Cisco Webex 840S. |
| Sensor Size | 1/1.76" | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | - | |
| Field of View (FoV) | 79 degree(s) | - | |
| Pixel Size | 1.8 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S21 5G has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 30x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Face retouch, Grid Line | - | |
| 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, Portrait, Night, Motion Photo, Mountain, Single Take, Pro Video, Portrait video, Director's View | - | |
| Light Source | High CRI LED flash | 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 (8K) at 24 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps | - | |
| Camera Features (Functions) | Playback zoom, Motion photo, blink detection, QR-code scanner, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Super Speed Dual Pixel AF, Quick Measure, Zoom-In Mic, HEIF image capture, 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, AR Doodle, HEVC (High Efficiency Video coding) support, Microphone Control (Pro Video only) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 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) | 1.4 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 64 Megapixel | - | |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/1.72" | - | |
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.0 | - | |
| Field of View (3rd Camera) | 76 degree(s) | - | |
| Pixel Size (3rd Camera) | 0.8 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S21 5G has optical stabilisation of the third camera. |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 2 Megapixel | Samsung Galaxy S21 5G has better front camera resolution than Cisco Webex 840S. |
| Lens Aperture (Front) | F/2.2 | - | |
| Field of View (Front) | 80 degree(s) | - | |
| Pixel Size (Front) | 1.22 μm | - | |
| Focus Adjustment | Automatic | - | |
| Camera Features (Front) | Dual Pixel AF | - |
| BATTERY AND CHARGING | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 3040 mAh | Samsung Galaxy S21 5G has larger battery capacity than Cisco Webex 840S. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive 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 | 1800 minutes | - | |
| Run Time Details | Talk (LTE): up to 1800 min Active online usage (LTE): up to 14 hrs Active online usage (Wi-Fi): up to 15 hrs Playback (wireless video): up to 19 hrs Playback (wireless audio): up to 72 hrs |
- |
| CELLULAR | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | - | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | - | |
| Operating System | Android 11 | Android 10 | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, Galileo | GPS |
| COMMUNICATIONS | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1, 5G NR FR2 | - | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 38, Band 39, Band 40, Band 41, 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 700 PS, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | - | |
| 5G NR Band | N41, n71, n260, n261 | - | |
| 5G NR Frequency | TDD TD 2500, FDD 600, TDD 39GHz, TDD 28GHz | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/d/h/i/k/r/u/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| WLAN Security | - | WEP, EAP-TLS, PEAP-MSCHAPv2, EAP-FAST, WPA2-Enterprise, WPA-Personal, WPA2-Personal |
| MEDIA | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | OPUS, G.722, G.711a, G.711u, G.729a | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | - |
| FEATURES | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, digital compass, magnetometer, gyroscope | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader | |
| Additional Phone Features | MIMO technology, Screen Write, notification flashlight, Smart Select, Fast Charging, Samsung KNOX, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Bixby key, Bluetooth Scalable Codec, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command | Hot-swappable battery |
| OTHERS | Samsung Galaxy S21 5G | Cisco Webex 840S |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable | Power adapter, USB-C cable | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, HAC (Hearing Aid Compatible), SGS Eye Care Display Certification | CISPR 22 Class B, EN 61000-3-2, EN 61000-3-3, EN55024, EN50082-1, EN55022 Class B, ICES-003 Class B, EN 61000-6-1, FCC Part 15.247, AS/NZS 60950-1, AS/ACIF S004, RSS-210, RSS-102, FCC Part 68, IEC 60529 IP54, FCC Part 2, UL 60950-1, IEC 60950-1, EN 60950-1, AS/NZS 4268, MIL-STD 810G, EN 61000-6-3, FCC Part 15.407, EN 60601-1-2, ARIB STD-T66, ARIB STD-T70, ARIB STD-T71, IP68, VCCI Class B, EN 50360, EN 300 328, AS/NZS CISPR 22 Class B, FCC OET Bulletin 65c, EN 301 489-1, EN 300 386, Directive 2014/35/EU, Directive 2014/30/EU, EN 301 893, Directive 2014/53/EU, KN22 Class B, ANSI/IEEE C95.1 (99), EN 301 489-17, CAN/CSA 60950-1, TIA 810 B, TIA 920 A, 47 CFR Part 15 Class B, NZ PTC220 DR | |
| Max Depth of Water Resistance | 1.5 m | - | |
| Max Operating Temperature | - | 40 °C | |
| Min Operating Temperature | - | 0 °C |
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