In depth comparison and review of Alcatel Idol 4 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.
| DESIGN AND DIMENSIONS | Alcatel Idol 4 | Xiaomi MI 9T |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 147 mm | 156.7 mm | Xiaomi MI 9T has greater height than Alcatel Idol 4. |
| Width | 72.5 mm | 74.3 mm | Xiaomi MI 9T has greater width than Alcatel Idol 4. |
| Depth | 7.1 mm | 8.8 mm | Alcatel Idol 4 is narrower than Alcatel Idol 4. |
| Weight | 135 g | 191 g | Alcatel Idol 4 is lighter than Alcatel Idol 4. |
| Body Colour | Metallic silver | 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 |
| DISPLAY | Alcatel Idol 4 | Xiaomi MI 9T |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 5.2" | 6.39" | Xiaomi MI 9T has larger screen size than Alcatel Idol 4. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Xiaomi MI 9T has better screen resolution than Alcatel Idol 4. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | - | 403 ppi | |
| 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) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Alcatel Idol 4 | Xiaomi MI 9T |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 730 | |
|---|---|---|---|
| Processor Number | MSM8952 | - | |
| Clock Speed | 1.7 GHz | 2.2 GHz | Xiaomi MI 9T has higher clock speed than Alcatel Idol 4. |
| 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 618 |
| MEMORY | Alcatel Idol 4 | Xiaomi MI 9T |
|---|
| RAM | 3 GB | 6 GB | Xiaomi MI 9T has more RAM than Alcatel Idol 4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi MI 9T has more internal memory than Alcatel Idol 4. |
| User Memory | 10 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Alcatel Idol 4 | Xiaomi MI 9T |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Xiaomi MI 9T has better camera resolution than Alcatel Idol 4. |
| Sensor Size | - | 1/2" | |
| Sensor Name | - | Sony Exmor RS IMX582 sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | - | F/1.75 | |
| Lens Construction | 6-element | - | |
| 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, manual mode, Instant shot | 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 | 1920 x 1080 (1080p) | 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), Electronic Image Stabiliser (EIS) | 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 4. |
| Lens Aperture (Front) | - | F/2.2 | |
| Pixel Size (Front) | - | 0.8 μm | |
| Focus Adjustment | Focus free | - | |
| 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) 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 4 | Xiaomi MI 9T |
|---|
| Battery Capacity (Battery Size) | 2610 mAh | 4000 mAh | Xiaomi MI 9T has larger battery capacity than Alcatel Idol 4. |
|---|---|---|---|
| Recharge Time (Charging Time) | 120 min | - |
| CELLULAR | Alcatel Idol 4 | 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 (Marshmallow) | Android 9.0 Pie | |
| User Interface | - | MIUI 10 | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Alcatel Idol 4 | 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 4 | Xiaomi MI 9T |
|---|
| Supported Digital Audio Standards | WAV, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, AAC +, MIDI | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | AVC, MPEG-4, H.264, H.263, HEVC, VP8, VP9 | 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 4 | Xiaomi MI 9T |
|---|
| 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, 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 4 | 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 | HAC (Hearing Aid Compatible) | VDE |
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