Xiaomi Redmi 3S vs. Xiaomi MI 9T

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi Redmi 3S and Xiaomi MI 9T. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Xiaomi Redmi 3S vs. Xiaomi MI 9T Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S Xiaomi MI 9T
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 139.3 mm 156.7 mm Xiaomi MI 9T has greater height than Xiaomi Redmi 3S.
Width 69.6 mm 74.3 mm Xiaomi MI 9T 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 Carbon black | Glacier blue
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) 1.511 W/kg (body), 1.341 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
Display Type - OLED display
Display Technology - AMOLED
Screen Size (Display Size) 5" 6.39" Xiaomi MI 9T has larger screen size than Xiaomi Redmi 3S.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2340 x 1080 pixels Xiaomi MI 9T has better screen resolution than Xiaomi Redmi 3S.
Display Format HD Full HD+
Pixel Density - 403 ppi
Aspect Ratio - 19.5:9
Max Brightness - 600 cd/m²
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 Xiaomi Redmi 3S Xiaomi MI 9T
Processor Type (CPU) Qualcomm Snapdragon 430 Qualcomm Snapdragon 730
Clock Speed 1.4 GHz 2.2 GHz Xiaomi MI 9T 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 618
MEMORY Xiaomi Redmi 3S Xiaomi MI 9T
RAM 2 GB 6 GB Xiaomi MI 9T has more RAM than Xiaomi Redmi 3S.
Internal Memory Size (Storage Capacity) 16 GB 64 GB Xiaomi MI 9T 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
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 48 Megapixel Xiaomi MI 9T has better camera resolution than Xiaomi Redmi 3S.
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 Xiaomi Redmi 3S.
Lens Construction 5-element -
Pixel Size - 1.6 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 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 LED light 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) 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) 5 Megapixel 20 Megapixel Xiaomi MI 9T 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
Battery Capacity (Battery Size) 4100 mAh 4000 mAh Xiaomi Redmi 3S has larger battery capacity than Xiaomi MI 9T.
CELLULAR Xiaomi Redmi 3S 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 9.0 Pie
User Interface MIUI V7 MIUI 10
Payment Technology - Google Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi 3S Xiaomi MI 9T
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 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi 3S Xiaomi MI 9T
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, VP8, VP9
Sound Enhancements - Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus
FEATURES Xiaomi Redmi 3S 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 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 HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, MI Turbo, GAME Turbo 2.0
OTHERS Xiaomi Redmi 3S Xiaomi MI 9T
Included Accessories USB cable, power adapter, SIM card removal tool Protective cover, power adapter, SIM card removal tool, USB-C cable
Compliant Standards - VDE
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