ASUS ZenFone 4 (ZE554KL) vs. Xiaomi Redmi Note 9T

Phone Comparison, Reviews and Tests

Detailed comparison and review of ASUS ZenFone 4 (ZE554KL) 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 4 (ZE554KL) vs. Xiaomi Redmi Note 9T Comparison Chart
DESIGN AND DIMENSIONS ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
Product Type Smartphone Smartphone
Manufacturer Model Number ZE554KL -
Form Factor Touch Touch
Height 155.36 mm 161.9 mm Xiaomi Redmi Note 9T has greater height than ASUS ZenFone 4 (ZE554KL).
Width 75.24 mm 77.3 mm Xiaomi Redmi Note 9T has greater width than ASUS ZenFone 4 (ZE554KL).
Depth 7.7 mm 9.05 mm ASUS ZenFone 4 (ZE554KL) is narrower than ASUS ZenFone 4 (ZE554KL).
Weight 165 g 199 g ASUS ZenFone 4 (ZE554KL) is lighter than ASUS ZenFone 4 (ZE554KL).
Body Colour Midnight black | Moonlight white Daybreak purple
Protection - Splashproof
Waterproof (Water-resistant) - -
SAR Value 1.48 W/kg (body), 1.42 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 Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
Display Type LCD display -
Display Technology Super IPS+ -
Screen Size (Display Size) 5.5" 6.53" Xiaomi Redmi Note 9T has larger screen size than ASUS ZenFone 4 (ZE554KL).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Xiaomi Redmi Note 9T has better screen resolution than ASUS ZenFone 4 (ZE554KL).
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 4 (ZE554KL) has better display brightness than Xiaomi Redmi Note 9T.
Contrast Ratio - 1500:1
Display Enhancement Technology Bluelight Filter for Eye Care, Splendid technology -
Display Features 2.5D Glass Reading mode, night mode, Dot Display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass), smudge-resistant oleophobic coating Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
Processor Type (CPU) Qualcomm Snapdragon 630 MediaTek Dimensity 800U
Clock Speed 2.2 GHz 2.3 GHz Xiaomi Redmi Note 9T has higher clock speed than ASUS ZenFone 4 (ZE554KL).
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - ASUS ZenFone 4 (ZE554KL) has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 508 Mali-G57
MEMORY ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
RAM LPDDR4X SDRAM - 4 GB LPDDR4X SDRAM - 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSD
CAMERA ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 12 Megapixel 48 Megapixel Xiaomi Redmi Note 9T has better camera resolution than ASUS ZenFone 4 (ZE554KL).
Sensor Size 1/2.55" 1/2" ASUS ZenFone 4 (ZE554KL) has better camera sensor size than Xiaomi Redmi Note 9T.
Sensor Name Sony Exmor RS IMX362 sensor -
Lens Aperture F/1.8 F/1.79 Xiaomi Redmi Note 9T has better lens aperture than ASUS ZenFone 4 (ZE554KL).
Lens Construction 6-element -
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) 4 Stop OIS (Optical Image Stabilisation) - ASUS ZenFone 4 (ZE554KL) has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR -
Camera Modes Panorama, Time-lapse mode, Pro mode, Beauty mode, Auto mode, super resolution mode, GIF animation function, portrait mode -
Light Source Dual LED flash Flash
Video Resolutions 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 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) 3-axis electronic image stabilisation, RAW image capture, Subject-Tracking Auto-Focus, PixelMaster 4.0 camera, 4-axis optical image stabilisation, 9 filters, Instant cameras switching, Dual Pixel Phase Detect Auto-Focus (PDAF) 4-in-1 Super Pixel
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel ASUS ZenFone 4 (ZE554KL) has better second camera resolution than Xiaomi Redmi Note 9T.
Lens Type (2nd Camera) Wide-angle lens -
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 4 (ZE554KL).
Lens Aperture (Front) F/2.0 F/2.25 ASUS ZenFone 4 (ZE554KL) has better front lens aperture than ASUS ZenFone 4 (ZE554KL).
Special Effects (Front) Collage -
Camera Modes (Front) Beauty mode, Auto mode, selfie panorama, GIF animation function, portrait mode, Smart beautification, Livestream beautification -
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, ASUS SelfieMaster technology, 9 filters -
BATTERY AND CHARGING ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
Battery Capacity (Battery Size) 3300 mAh 5000 mAh Xiaomi Redmi Note 9T has larger battery capacity than ASUS ZenFone 4 (ZE554KL).
Fast Charging Technology ASUS Boost Master - ASUS ZenFone 4 (ZE554KL) has fast charging technology.
Standby Time 552 hours -
Talk Time 1800 minutes -
Run Time Details Standby (4G): up to 552 hrs
Talk (3G): up to 1800 min
Playback (video): up to 16 hrs
Continuous browsing (Wi-Fi): up to 18 hrs
-
Battery Technology Lithium polymer -
CELLULAR ASUS ZenFone 4 (ZE554KL) 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 7.0 Nougat Android 10
User Interface ASUS ZenUI 4.0 MIUI 12
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, Galileo
COMMUNICATIONS ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 3, Band 5, Band 6, Band 8, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1800, 850, 800, 900, 800 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 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 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 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 IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
Supported Digital Audio Standards - AAC, LDAC, LHDC
Sound Enhancements DTS-HD Premium Sound, Hi-Res audio, DTS Headphone:X -
FEATURES ASUS ZenFone 4 (ZE554KL) 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, colour correction sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor
Security Devices - Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Wi-Fi Miracast, Dual noise reduction microphones, Google Drive Storage (100 GB) (free for 2 years), NXP Smart AMP technology, ASUS Noise Reduction technology, Nano Molding Technology (NMT) Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology
OTHERS ASUS ZenFone 4 (ZE554KL) Xiaomi Redmi Note 9T
Included Accessories Power adapter, SIM card removal tool, ASUS ZenEar with Mic, USB-C cable Protective cover, power adapter, SIM card removal tool, USB-C cable
Compliant Standards - TUV Rheinland Low Blue Light Certification
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