ASUS ZenFone 3 (ZE520KL) vs. Xiaomi Redmi Note 9T

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Xiaomi Redmi Note 9T. 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 Note 9T Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
Product Type Smartphone Smartphone
Manufacturer Model Number ZE520KL -
Form Factor Touch Touch
Height 146.87 mm 161.9 mm Xiaomi Redmi Note 9T has greater height than ASUS ZenFone 3 (ZE520KL).
Width 73.98 mm 77.3 mm Xiaomi Redmi Note 9T has greater width than ASUS ZenFone 3 (ZE520KL).
Depth 7.69 mm 9.05 mm ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL).
Weight 144 g 199 g ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL).
Body Colour Moon white | Gold shimmer | Black sapphire Daybreak purple
Body Material Metal, glass -
Protection - Splashproof
Waterproof (Water-resistant) - -
SAR Value 0.938 W/kg (body), 0.278 W/kg (head) 0.937 W/kg (body), 0.592 W/kg (head), 1.981 W/kg (limb)
Integrated Components FM radio -
Connector Type Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
-
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 Note 9T
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.2" 6.53" Xiaomi Redmi Note 9T has larger screen size than ASUS ZenFone 3 (ZE520KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Xiaomi Redmi Note 9T has better screen resolution than ASUS ZenFone 3 (ZE520KL).
Display Format Full HD Full HD+
Pixel Density - 395 ppi
Aspect Ratio - 19.5:9
Max Brightness 600 cd/m² 450 cd/m² ASUS ZenFone 3 (ZE520KL) has better display brightness than Xiaomi Redmi Note 9T.
Contrast Ratio - 1500:1
Display Enhancement Technology Bluelight Filter for Eye Care -
Display Features ASUS Glove Touch technology, 2.5D curved glass Reading mode, night mode, Dot Display
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
Processor Type (CPU) Qualcomm Snapdragon 625 MediaTek Dimensity 800U
Clock Speed 2 GHz 2.3 GHz Xiaomi Redmi Note 9T has higher clock speed than ASUS ZenFone 3 (ZE520KL).
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 Mali-G57
MEMORY ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
RAM 3 GB LPDDR4X SDRAM - 4 GB Xiaomi Redmi Note 9T has more RAM than ASUS ZenFone 3 (ZE520KL).
Internal Memory Size (Storage Capacity) 32 GB 64 GB Xiaomi Redmi Note 9T has more internal memory than ASUS ZenFone 3 (ZE520KL).
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSD
CAMERA ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 16 Megapixel 48 Megapixel Xiaomi Redmi Note 9T has better camera resolution than ASUS ZenFone 3 (ZE520KL).
Sensor Size - 1/2"
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Aperture F/2.0 F/1.79 Xiaomi Redmi Note 9T has better lens aperture than ASUS ZenFone 3 (ZE520KL).
Lens Construction 6-element -
Pixel Size - 0.8 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 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) 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens 4-in-1 Super Pixel
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
Lens Aperture (2nd Camera) - F/2.4
Pixel Size (2nd Camera) - 1.75 μm
Camera Functions (2nd Camera) - Macro camera
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.75 μm
Camera Functions (3rd Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 13 Megapixel Xiaomi Redmi Note 9T has better front camera resolution than ASUS ZenFone 3 (ZE520KL).
Lens Aperture (Front) F/2.0 F/2.25 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 -
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 9T has face detection.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps
Camera Features (Front) PixelMaster camera -
BATTERY AND CHARGING ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
Battery Capacity (Battery Size) 2650 mAh 5000 mAh Xiaomi Redmi Note 9T has larger battery capacity than ASUS ZenFone 3 (ZE520KL).
CELLULAR ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Xiaomi Redmi Note 9T has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) Android 10
User Interface ASUS ZenUI 3.0 MIUI 12
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, Galileo
COMMUNICATIONS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM -
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 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 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42
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 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500
Wireless Interface Infrared (IrDA), IEEE 802.11b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.1
NFC - Yes Xiaomi Redmi Note 9T has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
Supported Digital Audio Standards - AAC, LDAC, LHDC
FEATURES ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
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, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor
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 Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology
OTHERS ASUS ZenFone 3 (ZE520KL) Xiaomi Redmi Note 9T
Included Accessories Power adapter Protective cover, power adapter, SIM card removal tool, USB-C cable
Compliant Standards - TUV Rheinland Low Blue Light Certification
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