ASUS ZenFone 3 (ZE520KL) vs. Xiaomi Redmi 7A

Phone Comparison, Reviews and Tests

Side by side comparison and review of ASUS ZenFone 3 (ZE520KL) and Xiaomi Redmi 7A. 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. Xiaomi Redmi 7A Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 146.3 mm ASUS ZenFone 3 (ZE520KL) has greater height than Xiaomi Redmi 7A.
Width 73.98 mm 70.41 mm ASUS ZenFone 3 (ZE520KL) has greater width than Xiaomi Redmi 7A.
Depth 7.69 mm 9.55 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 165 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Matte black
Body Material Metal, glass -
Protection - Splashproof
Waterproof (Water-resistant) - -
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 1.166 W/kg (body), 0.557 W/kg (head), 2.88 W/kg (limb)
Integrated Components FM radio FM radio
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Micro-USB
Headset jack - mini-phone 3.5mm
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) Xiaomi Redmi 7A
Display Type LCD display LCD display
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 5.45" Xiaomi Redmi 7A has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 1440 x 720 pixels ASUS ZenFone 3 (ZE520KL) has better screen resolution than Xiaomi Redmi 7A.
Display Format Full HD HD+
Pixel Density - 295 ppi
Aspect Ratio - 18:9
Max Brightness 600 cd/m² -
Contrast Ratio - 1000:1
Display Enhancement Technology Bluelight Filter for Eye Care Sunlight mode
Display Features ASUS Glove Touch technology, 2.5D curved glass Reading mode, Colour temperature adjustment, night mode
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 439
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 Qualcomm ADRENO 505
MEMORY ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
RAM 3 GB 2 GB ASUS ZenFone 3 (ZE520KL) has more RAM than Xiaomi Redmi 7A.
Internal Memory Size (Storage Capacity) 32 GB 16 GB ASUS ZenFone 3 (ZE520KL) has more internal memory than Xiaomi Redmi 7A.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 256 GB
CAMERA ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 16 Megapixel 12 Megapixel ASUS ZenFone 3 (ZE520KL) has better camera resolution than Xiaomi Redmi 7A.
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/2.2 ASUS ZenFone 3 (ZE520KL) has better lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Construction 6-element -
Pixel Size - 1.25 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 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 AI portrait mode, AI Beautify 4.0
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 7A has face detection.
Light Source Dual LED flash LED flash
Video Resolutions 3840 x 2160 (4K) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens Phase Detect Auto-Focus (PDAF)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 5 Megapixel ASUS ZenFone 3 (ZE520KL) has better front camera resolution than Xiaomi Redmi 7A.
Lens Aperture (Front) F/2.0 -
Special Effects (Front) - HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama AI portrait mode, AI Beautify 4.0
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 7A has face detection.
Light Source (Front) - Display flash
Camera Features (Front) PixelMaster camera Selfie countdown
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
Battery Capacity (Battery Size) 2650 mAh 4000 mAh Xiaomi Redmi 7A has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
CELLULAR ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
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 9.0 Pie
User Interface ASUS ZenUI 3.0 MIUI 9
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1900 GSM, 2100 GSM
3G UMTS Band - Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 4.2
Messaging Services SMS, MMS SMS, MMS
MEDIA ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
Supported Digital Audio Standards - AAC, PCM, AMR, MP3, FLAC, AAC +, MP4, AMR-WB, AMR-NB, WAVE
Supported Digital Video Standards - FLV, H.263, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP)
FEATURES ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
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, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader Face recognition
Security Technology - A.I. face recognition
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 AI face unlock
OTHERS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 7A
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool
Compliant Standards - TÜV Rheinland Certified Eye-Care
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