ASUS ZenFone 3 (ZE520KL) vs. Cisco Webex 840

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone 3 (ZE520KL) and Cisco Webex 840. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

ASUS ZenFone 3 (ZE520KL) vs. Cisco Webex 840 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch - Rugged
Height 146.87 mm 133 mm ASUS ZenFone 3 (ZE520KL) has greater height than Cisco Webex 840.
Width 73.98 mm 66 mm ASUS ZenFone 3 (ZE520KL) has greater width than Cisco Webex 840.
Depth 7.69 mm 13 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 180 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire -
Body Material Metal, glass -
Protection - Shockproof, dustproof, waterproof
Waterproof (Water-resistant) - Yes Cisco Webex 840 is waterproof.
IP rating - IEC 60529 IP54
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) -
Integrated Components FM radio -
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM (SIM1 and SIM2/MicroSD slots) -
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 4" ASUS ZenFone 3 (ZE520KL) has larger screen size than Cisco Webex 840.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 800 x 480 pixels ASUS ZenFone 3 (ZE520KL) has better screen resolution than Cisco Webex 840.
Display Format Full HD -
Max Brightness 600 cd/m² -
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features ASUS Glove Touch technology, 2.5D curved glass -
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) Dragontrail glass
PROCESSOR ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Processor Type (CPU) Qualcomm Snapdragon 625 -
Clock Speed 2 GHz 1.8 GHz ASUS ZenFone 3 (ZE520KL) has higher clock speed than Cisco Webex 840.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - ASUS ZenFone 3 (ZE520KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 -
MEMORY ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
RAM 3 GB 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 16 Megapixel 8 Megapixel ASUS ZenFone 3 (ZE520KL) has better camera resolution than Cisco Webex 840.
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 -
Lens Construction 6-element -
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) - ASUS ZenFone 3 (ZE520KL) has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Special Effects Depth of field -
HDR Mode Auto HDR mode -
Camera Modes Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode -
Light Source Dual LED flash Flash
Video Resolutions 3840 x 2160 (4K) -
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 2 Megapixel ASUS ZenFone 3 (ZE520KL) has better front camera resolution than Cisco Webex 840.
Lens Aperture (Front) F/2.0 -
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama -
Camera Features (Front) PixelMaster camera -
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Battery Capacity (Battery Size) 2650 mAh 3040 mAh Cisco Webex 840 has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
CELLULAR ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Technology WCDMA (UMTS) / GSM -
Mobile Broadband Generation 4G -
Operating System Android 6.0 (Marshmallow) Android 10
User Interface ASUS ZenUI 3.0 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ -
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 -
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD -
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 4.2
NFC - Yes Cisco Webex 840 has NFC reader for mobile payments.
WLAN Security - EAP-TLS, WPA2-Enterprise, WPA2-Personal
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Supported Digital Audio Standards - OPUS, G.722, G.711a, G.711u, G.729a
FEATURES ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
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, digital compass, gyro sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, digital compass, magnetometer, gyroscope
Security Devices Fingerprint reader -
Additional Phone Features Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology Programmable emergency button, Session Initiation Protocol (SIP) support
OTHERS ASUS ZenFone 3 (ZE520KL) Cisco Webex 840
Included Accessories Power adapter USB cable, power adapter
Compliant Standards - 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/ACIF S004, RSS-210, RSS-102, FCC Part 68, IEC 60529 IP54, EN 300.328-2, FCC Part 2, UL 60950-1, IEC 60950-1, EN 60950-1, AS/NZS 4268, MIL-STD 810G, EN 61000-6-3, ACA, EN 300.328-1, FCC Part 15.407, EN 60601-1-2, ARIB STD-T66, ARIB STD-T70, ARIB STD-T71, VCCI Class B, EN 50360, AS/ACIF S040, AS/NZS CISPR 22 Class B, FCC OET Bulletin 65c, EN 55022/CISPR 22 Class B, EN 301 489-1, EN 300 386, Directive 2014/35/EU, Directive 2014/30/EU, EN 301 893, ANSI/UL 60950-1, Directive 2014/53/EU, KN22 Class B, ANSI/IEEE C95.1 (99), EN 301 489-17, AN/NZS 60950.1, CAN/CSA 60950-1, TIA 810 B, TIA 920 A, 47 CFR Part 15 Class B, NZ PTC220 DR
Max Operating Temperature - 40 °C
Min Operating Temperature - 0 °C
Humidity Range Operating - 10 - 95% (non-condensing)
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