ASUS ZenFone 3 (ZE520KL) vs. TCL 403

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone 3 (ZE520KL) and TCL 403. 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. TCL 403 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) TCL 403
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL T431D
Form Factor Touch Touch
Height 146.87 mm 159.2 mm TCL 403 has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 78.2 mm TCL 403 has greater width than ASUS ZenFone 3 (ZE520KL).
Depth 7.69 mm 9.6 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 182 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Prime black | Mauve mist
Body Material Metal, glass -
Waterproof (Water-resistant) - - TCL 403 is waterproof.
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 1.46 W/kg (body), 1.33 W/kg (head), 3.29 W/kg (limb)
Integrated Components FM radio LED flashlight
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM (SIM1 and SIM2/MicroSD slots) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 3 (ZE520KL) TCL 403
Display Type LCD display LCD display
Display Technology Super IPS+ IPS
Screen Size (Display Size) 5.2" 6" TCL 403 has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 960 x 480 pixels ASUS ZenFone 3 (ZE520KL) has better screen resolution than TCL 403.
Display Format Full HD FW+
Aspect Ratio - 18:9
Max Brightness 600 cd/m² -
Display Enhancement Technology Bluelight Filter for Eye Care Eye Care
Display Features ASUS Glove Touch technology, 2.5D curved glass Capacitive touch screen
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR ASUS ZenFone 3 (ZE520KL) TCL 403
Processor Type (CPU) Qualcomm Snapdragon 625 MediaTek Helio A22
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core Quad-core ASUS ZenFone 3 (ZE520KL) has higher processor core quantity than TCL 403.
64-bit Architecture Yes - ASUS ZenFone 3 (ZE520KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 IMG GE8300
MEMORY ASUS ZenFone 3 (ZE520KL) TCL 403
RAM 3 GB 2 GB ASUS ZenFone 3 (ZE520KL) has more RAM than TCL 403.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory - 21 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSD, microSDXC - up to 512 GB
CAMERA ASUS ZenFone 3 (ZE520KL) TCL 403
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 16 Megapixel 8 Megapixel ASUS ZenFone 3 (ZE520KL) has better camera resolution than TCL 403.
Sensor Size - 1/4"
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Lens Construction 6-element 4-element
Field of View (FoV) - 76.9 degree(s)
Pixel Size - 1.12 μm
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
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 Panorama, Macro mode
Light Source Dual LED flash LED flash
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p) at 30 fps
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 TCL 403.
Sensor Size (Front) - 1/5"
Lens Aperture (Front) F/2.0 F/2.8 ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Element Qty (Front) - 2-element
Field of View (Front) - 61.4 degree(s)
Pixel Size (Front) - 1.75 μm
Focus Adjustment - Focus free
Special Effects (Front) - Face Beautification
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama -
Light Source (Front) - Display flash
Video Resolutions (Front) - 1280 x 720 (720p) at 30 fps
Camera Features (Front) PixelMaster camera Interpolated to 5MP
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) TCL 403
Battery Capacity (Battery Size) 2650 mAh 3000 mAh TCL 403 has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Recharge Time (Charging Time) - 3.5 hour(s)
Talk Time - 1260 minutes
Run Time Details - Talk: up to 1260 min
Streaming: up to 7 hrs
Playback (Music): up to 48 hrs
CELLULAR ASUS ZenFone 3 (ZE520KL) TCL 403
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 6.0 (Marshmallow) Android 12 (Go edition)
User Interface ASUS ZenUI 3.0 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) TCL 403
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ GPRS, EDGE, HSPA+, VoLTE, VoWiFi
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
3G UMTS Band - Band 1, Band 8
3G UMTS Frequency - 2100, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 3, Band 7, Band 8, Band 20, Band 28
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 3 (ZE520KL) TCL 403
Supported Digital Audio Standards - AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, AWB, Vorbis
Supported Digital Video Standards - MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC
FEATURES ASUS ZenFone 3 (ZE520KL) TCL 403
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor Accelerometer, G-sensor
Security Devices Fingerprint reader Face recognition
Security Technology - Face Unlock
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 HD Voice, Smart Power Saving Mode
OTHERS ASUS ZenFone 3 (ZE520KL) TCL 403
Included Accessories Power adapter LCD sticker, micro-USB cable
Compliant Standards - HAC (Hearing Aid Compatible)
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