ASUS ZenFone 3 (ZE520KL) vs. Xiaomi Redmi 12

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Xiaomi Redmi 12. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

ASUS ZenFone 3 (ZE520KL) vs. Xiaomi Redmi 12 Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 168.6 mm Xiaomi Redmi 12 has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 76.28 mm Xiaomi Redmi 12 has greater width than ASUS ZenFone 3 (ZE520KL).
Depth 7.69 mm 8.17 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 198.5 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Midnight black
Body Material Metal, glass -
Protection - Spill-resistant, dust-resistant
Waterproof (Water-resistant) - - Xiaomi Redmi 12 is waterproof.
IP rating - IP53
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) -
Integrated Components FM radio 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) Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD Nano SIM + nano SIM/microSD
DISPLAY ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 6.79" Xiaomi Redmi 12 has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2460 x 1080 pixels Xiaomi Redmi 12 has better screen resolution than ASUS ZenFone 3 (ZE520KL).
Display Format Full HD Full HD+
Pixel Density - 396 ppi
Max Brightness 600 cd/m² 550 cd/m² ASUS ZenFone 3 (ZE520KL) has better display brightness than Xiaomi Redmi 12.
Contrast Ratio - 1500:1
Display Enhancement Technology Bluelight Filter for Eye Care Reading mode 3.0
Display Refresh Rate - 90 Hz
Display Features ASUS Glove Touch technology, 2.5D curved glass Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
Processor Type (CPU) Qualcomm Snapdragon 625 MediaTek Helio G88
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 - ASUS ZenFone 3 (ZE520KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 ARM Mali-G52
MEMORY ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
RAM 3 GB LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension Xiaomi Redmi 12 has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 128 GB Xiaomi Redmi 12 has more internal memory than ASUS ZenFone 3 (ZE520KL).
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 16 Megapixel 50 Megapixel Xiaomi Redmi 12 has better camera resolution than ASUS ZenFone 3 (ZE520KL).
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/1.8 Xiaomi Redmi 12 has better lens aperture than ASUS ZenFone 3 (ZE520KL).
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 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 AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 120 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 8 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) F/2.0 F/2.1 ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL).
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Selfie panorama -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) PixelMaster camera -
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
Battery Capacity (Battery Size) 2650 mAh 5000 mAh Xiaomi Redmi 12 has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
Standby Time - 552 hours
Talk Time - 2220 minutes
Run Time Details - Talk: up to 2220 min
Standby: up to 552 hrs
Playback (video): up to 16 hrs
Reading: up to 26 hrs
CELLULAR ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
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 13
User Interface ASUS ZenUI 3.0 MIUI 14
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
3G UMTS Band - Band 1, Band 5, Band 8
3G UMTS Frequency - 2100, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac Wi-Fi
Bluetooth Bluetooth 4.2 Bluetooth 5.3
NFC - Yes Xiaomi Redmi 12 has NFC reader for mobile payments.
Messaging Services SMS, MMS -
FEATURES ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
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, digital compass
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - AI 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 Fast Charging, IR blaster
OTHERS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi 12
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - IP53, SGS Low Blue Light Certification
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