In depth comparison and review of Xiaomi Redmi 3S and Xiaomi MI 9T Pro. 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 | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 156.7 mm | Xiaomi MI 9T Pro has greater height than Xiaomi Redmi 3S. |
| Width | 69.6 mm | 74.3 mm | Xiaomi MI 9T Pro has greater width than Xiaomi Redmi 3S. |
| Depth | 8.5 mm | 8.8 mm | Xiaomi Redmi 3S is narrower than Xiaomi Redmi 3S. |
| Weight | 144 g | 191 g | Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S. |
| Body Colour | Gold | Glacier blue | Carbon black | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.43 W/kg (body), 0.62 W/kg (head) | 1.508 W/kg (body), 1.302 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5" | 6.39" | Xiaomi MI 9T Pro has larger screen size than Xiaomi Redmi 3S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | Xiaomi MI 9T Pro has better screen resolution than Xiaomi Redmi 3S. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 403 ppi | |
| Max Brightness | - | 600 cd/m² | |
| Contrast Ratio | - | 60000:1 | |
| HDR | - | Yes | Xiaomi MI 9T Pro has HDR. |
| Display Enhancement Technology | - | Sunshine mode 2.0 | |
| Display Features | - | Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode, Dark mode, Multi-colour Always-on display, Dynamic display, Anti-flicker display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 430 | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 2.84 GHz | Xiaomi MI 9T Pro has higher clock speed than Xiaomi Redmi 3S. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 505 | Qualcomm ADRENO 640 |
| MEMORY | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 6 GB | Xiaomi MI 9T Pro has more RAM than Xiaomi Redmi 3S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi MI 9T Pro has more internal memory than Xiaomi Redmi 3S. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Xiaomi MI 9T Pro has better camera resolution than Xiaomi Redmi 3S. |
| Sensor Size | - | 1/2" | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.75 | Xiaomi MI 9T Pro has better lens aperture than Xiaomi Redmi 3S. |
| Lens Construction | 5-element | 6-element | |
| Field of View (FoV) | - | 79.4 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 10x | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panorama, manual mode | Burst mode, Panorama, Pro mode, AI Beauty, Smart ultra-wide angle mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode, AI smart slimming | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI 9T Pro has face detection. |
| Light Source | LED light | LED 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, 3840 x 2160 (4K) at 60 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), Dynamic photos, video stabilisation, Contrast Auto-Focus, 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, 27 different scenes, Steady handheld night photography |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Sensor Name (2nd Camera) | - | Omnivision OV8856 sensor | |
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Field of View (2nd Camera) | - | 44.6 degree(s) | |
| 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) | 5 Megapixel | 20 Megapixel | Xiaomi MI 9T Pro has better front camera resolution than Xiaomi Redmi 3S. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | - | 0.8 μm | |
| Special Effects (Front) | - | HDR, Magic mirror | |
| Camera Modes (Front) | Beautify Selfie mode | Selfie panorama, AI portrait mode, AI Beautify, AI makeup | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have 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 | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 4000 mAh | Xiaomi Redmi 3S has larger battery capacity than Xiaomi MI 9T Pro. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0+ | Xiaomi MI 9T Pro has fast charging technology. |
| Battery Technology | - | Lithium Ion |
| CELLULAR | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| User Interface | MIUI V7 | MIUI 10 | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 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 3, Band 5, Band 40 | 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 1800+, FDD 850, TDD 2300 | 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 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | HID | - | |
| NFC | - | Yes | Xiaomi MI 9T Pro has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, MP4 | |
| Sound Enhancements | - | Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus | |
| Audio Processor | - | WCD9335 | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor | Accelerometer, digital compass, gyro sensor, distance sensor, In-screen ambient light sensor | |
| Security Devices | - | Fingerprint reader (under display) | |
| Additional Phone Features | Infrared remote control, Reading mode | Dual microphones, MU-MIMO technology, Fast Charging, MI Turbo, GAME Turbo 2.0 |
| OTHERS | Xiaomi Redmi 3S | Xiaomi MI 9T Pro |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | VDE, TUV Rheinland Certified Safe Fast-Charge System |
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