In depth comparison and review of ASUS Zenfone 8 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 | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZS590KS | - | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 148 mm | 133 mm | ASUS Zenfone 8 has greater height than Cisco Webex 840S. |
| Width | 68.5 mm | 66 mm | ASUS Zenfone 8 has greater width than Cisco Webex 840S. |
| Depth | 8.9 mm | 13 mm | ASUS Zenfone 8 is narrower than ASUS Zenfone 8. |
| Weight | 169 g | 200 g | ASUS Zenfone 8 is lighter than ASUS Zenfone 8. |
| Body Colour | Obsidian black | - | |
| Protection | Drop-proof, water-resistant, dust-resistant | Shockproof, dustproof, waterproof | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68, IP65 | IP68, IEC 60529 IP54 | |
| SAR Value | 1.582 W/kg (body), 1.412 W/kg (head), 3.498 W/kg (limb) | - | |
| Integrated Components | FM radio | Barcode scanner | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | - |
| DISPLAY | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 5.9" | 4" | ASUS Zenfone 8 has larger screen size than Cisco Webex 840S. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 800 x 480 pixels | ASUS Zenfone 8 has better screen resolution than Cisco Webex 840S. |
| Display Format | Full HD+ | - | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 1100 cd/m² | - | |
| HDR | Yes | - | ASUS Zenfone 8 has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | DC Dimming | - | |
| Display Refresh Rate | 120 Hz | - | |
| Touch Sampling Rate | 240 Hz | - | |
| Display Features | Always-on display, Glove Touch, Delta-E < 1, 107% NTSC, 151.9% sRGB, 112% DCI-P3 | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | Dragontrail glass |
| PROCESSOR | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 888 5G | - | |
|---|---|---|---|
| Clock Speed | 2.842 GHz | 1.8 GHz | ASUS Zenfone 8 has higher clock speed than Cisco Webex 840S. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 660 | - |
| MEMORY | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | 3 GB | ASUS Zenfone 8 has more RAM than Cisco Webex 840S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | ASUS Zenfone 8 has more internal memory than Cisco Webex 840S. |
| Memory Interface | UFS 3.1 | - |
| CAMERA | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 8 Megapixel | ASUS Zenfone 8 has better camera resolution than Cisco Webex 840S. |
| Sensor Size | 1/1.7" | - | |
| Sensor Name | Sony Exmor RS IMX686 sensor | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | - | |
| Field of View (FoV) | 78.3 degree(s) | - | |
| Pixel Size | 1.6 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | ASUS Zenfone 8 has optical stabilisation. |
| Focus Adjustment | - | Automatic | |
| Minimum Focal Length (Focal Distance) | 26.6 mm | - | |
| Camera Modes | Slow motion video, Time-lapse mode, Pro mode | - | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps, 7680 x 4320 (8K) at 24 fps, Slo-mo video 3840 x 2160 (4K) at 120 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), 3-axis electronic image stabilisation, 4-axis optical image stabilisation, Motion tracking, Quad Bayer technology, 2x1 On-Chip Lens (OCL) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/2.55" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RS IMX363 sensor | - | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Pixel Size (2nd Camera) | 1.4 μm | - | |
| Focal Length Equivalent to 35mm Camera | 14.3 | - | |
| Camera Features (2nd Camera) | Real-time distortion correction, 4cm macro photography, Dual Phase Detect Auto-Focus (PDAF) | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 12 Megapixel | 2 Megapixel | ASUS Zenfone 8 has better front camera resolution than Cisco Webex 840S. |
| Sensor Name (Front) | Sony Exmor RS IMX663 sensor | - | |
| Lens Aperture (Front) | F/2.4 | - | |
| Pixel Size (Front) | 1.22 μm | - | |
| Focus Adjustment | Automatic | - | |
| Camera Modes (Front) | Portrait | - | |
| Camera Features (Front) | Dual Pixel technology, EIS video stabilisation, Dual Phase Detect Auto-Focus (PDAF) | - |
| BATTERY AND CHARGING | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 3040 mAh | ASUS Zenfone 8 has larger battery capacity than Cisco Webex 840S. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0, Power Delivery 3.0 | - | ASUS Zenfone 8 has fast charging technology. |
| CELLULAR | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | - | |
| Operating System | Android 11 | Android 10 | |
| User Interface | ASUS ZenUI 8.0 | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC | GPS |
| COMMUNICATIONS | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Data Transmission | GPRS, EDGE, HSPA+, FDD-LTE, TDD-LTE, DC-HSPA+, Gigabit LTE, 5G NR FR1 | - | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 19 | - | |
| 3G UMTS Frequency | 2100, 1900, 1800, 1700, 850, 800, 900, 800 | - | |
| 4G LTE Band | 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 34, Band 38, Band 39, Band 40, Band 41, Band 42 | - | |
| 4G LTE Frequency | 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, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500 | - | |
| 5G NR Band | N1, n2, n3, n5, n7, n8, n20, n28, n38, n77, n78, n12 | - | |
| 5G NR Frequency | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 3700, TDD TD 3500, n12 | - | |
| 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 5.2 EDR | Bluetooth 4.2 | |
| Bluetooth Profiles | HFP, OPP, PAN, A2DP, AVRCP, HID | - | |
| 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 | |
| Modem | Snapdragon X60 5G | - |
| MEDIA | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Supported Digital Audio Standards | - | OPUS, G.722, G.711a, G.711u, G.729a | |
|---|---|---|---|
| Sound Enhancements | Dirac HD Sound, ASUS Audio Wizard, Hi-Res audio certified, OZO Audio, Qualcomm aptX audio, Qualcomm aptX HD audio, Qualcomm aptX Adaptive | - | |
| Audio Amplifier | Dual Cirrus Logic CS35L45 | - |
| FEATURES | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Phone Functions | - | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, G-sensor, gyroscope | Accelerometer, ambient light sensor, digital compass, magnetometer, gyroscope | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader | |
| Additional Phone Features | MIMO technology, AudioWizard, One Hand Mode, ARCore, Triple internal microphones with ASUS Noise Reduction Technology, Multi-Magnet Stereo Speakers | Hot-swappable battery |
| OTHERS | ASUS Zenfone 8 | Cisco Webex 840S |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable, protective case, power adapter (30 W) | Power adapter, USB-C cable | |
|---|---|---|---|
| Compliant Standards | IP68, IP65, SGS Eye Care Display Certification, SGS Seamless Pro 120Hz 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 Height of Shock Resistance | 2 m | - | |
| Max Operating Temperature | - | 40 °C | |
| Min Operating Temperature | - | 0 °C |
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