Alcatel Idol 4S vs. Xiaomi MI 9T

Phone Comparison, Reviews and Tests

In depth comparison and review of Alcatel Idol 4S and Xiaomi MI 9T. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Alcatel Idol 4S vs. Xiaomi MI 9T Comparison Chart
DESIGN AND DIMENSIONS Alcatel Idol 4S Xiaomi MI 9T
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 153.9 mm 156.7 mm Xiaomi MI 9T has greater height than Alcatel Idol 4S.
Width 75.4 mm 74.3 mm Alcatel Idol 4S has greater width than Xiaomi MI 9T.
Depth 7 mm 8.8 mm Alcatel Idol 4S is narrower than Alcatel Idol 4S.
Weight 149 g 191 g Alcatel Idol 4S is lighter than Alcatel Idol 4S.
Body Colour Dark grey Carbon black | Glacier blue
Waterproof (Water-resistant) - -
SAR Value - 1.511 W/kg (body), 1.341 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
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 Alcatel Idol 4S Xiaomi MI 9T
Display Type OLED display OLED display
Display Technology AMOLED AMOLED
Screen Size (Display Size) 5.5" 6.39" Xiaomi MI 9T has larger screen size than Alcatel Idol 4S.
Screen Resolution (Display Resolution) 2560 x 1440 pixels 2340 x 1080 pixels Alcatel Idol 4S has better screen resolution than Xiaomi MI 9T.
Display Format QHD Full HD+
Pixel Density 534 ppi 403 ppi Alcatel Idol 4S has better pixel density than Xiaomi MI 9T.
Aspect Ratio - 19.5:9
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
HDR - Yes Xiaomi MI 9T has HDR.
HDR Technology - HDR10
Display Enhancement Technology - Sunshine mode 2.0
Display Features - Reading mode, Colour temperature adjustment, night mode, 256 ranks adjustable Reading mode, Dark mode, Multi-colour Always-on display, Dynamic display
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass), 2.5D Arc Glass Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Alcatel Idol 4S Xiaomi MI 9T
Processor Type (CPU) Qualcomm Snapdragon 652 Qualcomm Snapdragon 730
Processor Number MSM8976 -
Clock Speed 1.8 GHz 2.2 GHz Xiaomi MI 9T has higher clock speed than Alcatel Idol 4S.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes Xiaomi MI 9T has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 510 Qualcomm ADRENO 618
MEMORY Alcatel Idol 4S Xiaomi MI 9T
RAM 3 GB 6 GB Xiaomi MI 9T has more RAM than Alcatel Idol 4S.
Internal Memory Size (Storage Capacity) 32 GB 64 GB Xiaomi MI 9T has more internal memory than Alcatel Idol 4S.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB -
CAMERA Alcatel Idol 4S Xiaomi MI 9T
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 16 Megapixel 48 Megapixel Xiaomi MI 9T has better camera resolution than Alcatel Idol 4S.
Sensor Size - 1/2"
Sensor Name - Sony Exmor RS IMX582 sensor
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.75 Xiaomi MI 9T has better lens aperture than Alcatel Idol 4S.
Pixel Size - 1.6 μm
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Optical Zoom - 2x
Digital Zoom - 10x
Special Effects - HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama Burst mode, Panorama, Pro mode, AI Beautify, Smart ultra-wide angle mode, Photo timer, Custom watermark, Full body portrait mode, Baby Beautify, AI smart slimming
Face Recognition (Face ID) - Face recognition Xiaomi MI 9T has face detection.
Light Source Dual LED flash Flash
Still Image Resolutions - 8000 x 6000
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 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), video stabilisation, 4-in-1 Super Pixel, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Telephoto lens
Lens Aperture (2nd Camera) - F/2.4
Pixel Size (2nd Camera) - 1.12 μm
Optical Zoom - 2x
THIRD CAMERA
Sensor Resolution (3rd Camera) - 13 Megapixel
Lens Type (3rd Camera) - Ultra wide-angle lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 124.8 degree(s)
Pixel Size (3rd Camera) - 1.12 μm
FRONT CAMERA
Number of Front Cameras 1 1
Front Camera Design - Pop-up
Sensor Resolution (Front) 8 Megapixel 20 Megapixel Xiaomi MI 9T has better front camera resolution than Alcatel Idol 4S.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.4 F/2.2 Xiaomi MI 9T has better front lens aperture than Alcatel Idol 4S.
Pixel Size (Front) - 0.8 μm
Special Effects (Front) - HDR, Magic mirror
Camera Modes (Front) - Selfie panorama, AI portrait mode, AI Beautify, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI 9T has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) - Self-timer, age recognition, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, sapphire crystal lens cover, ambient bulb, Palm shutter, AI silhouette detection, wide-angle distortion correction, camera display brightness correction
BATTERY AND CHARGING Alcatel Idol 4S Xiaomi MI 9T
Battery Capacity (Battery Size) 3000 mAh 4000 mAh Xiaomi MI 9T has larger battery capacity than Alcatel Idol 4S.
Recharge Time (Charging Time) 100 min -
Standby Time 420 hours -
Talk Time 780 minutes -
Run Time Details Talk: up to 780 min
Standby: up to 420 hrs
-
Battery Technology Lithium Ion -
CELLULAR Alcatel Idol 4S Xiaomi MI 9T
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 6.0.1 (Marshmallow) Android 9.0 Pie
User Interface - MIUI 10
Payment Technology - Google Pay
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Alcatel Idol 4S Xiaomi MI 9T
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 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 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40
4G LTE Frequency - FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Alcatel Idol 4S Xiaomi MI 9T
Supported Digital Audio Standards WAV, WMA, MP3, AAC + WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD
Supported Digital Video Standards XviD, MPEG-4, H.265 MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9
Sound Enhancements Hi-Fi Sound support Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus
FEATURES Alcatel Idol 4S Xiaomi MI 9T
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, digital compass, gyro sensor, distance sensor, In-screen ambient light sensor
Security Devices - Fingerprint reader (under display)
Additional Phone Features Radio Data Service (RDS), HD Voice, Dual noise reduction microphones HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, MI Turbo, GAME Turbo 2.0
OTHERS Alcatel Idol 4S Xiaomi MI 9T
Included Accessories Stereo headset, USB cable, power adapter, SIM card removal tool, Virtual Reality Googles Protective cover, power adapter, SIM card removal tool, USB-C cable
Compliant Standards - VDE
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