Xiaomi Redmi 3S vs. Xiaomi Redmi Note 7

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi Redmi 3S and Xiaomi Redmi Note 7. 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

Xiaomi Redmi 3S vs. Xiaomi Redmi Note 7 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S Xiaomi Redmi Note 7
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 139.3 mm 159.21 mm Xiaomi Redmi Note 7 has greater height than Xiaomi Redmi 3S.
Width 69.6 mm 75.21 mm Xiaomi Redmi Note 7 has greater width than Xiaomi Redmi 3S.
Depth 8.5 mm 8.1 mm Xiaomi Redmi Note 7 is narrower than Xiaomi Redmi 3S.
Weight 144 g 186 g Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S.
Body Colour Gold Space black | Neptune blue
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) 1.274 W/kg (body), 0.591 W/kg (head), 2.885 W/kg (limb)
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 Nano SIM + nano SIM/microSD
DISPLAY Xiaomi Redmi 3S Xiaomi Redmi Note 7
Display Type - LCD display
Screen Size (Display Size) 5" 6.3" Xiaomi Redmi Note 7 has larger screen size than Xiaomi Redmi 3S.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2340 x 1080 pixels Xiaomi Redmi Note 7 has better screen resolution than Xiaomi Redmi 3S.
Display Format HD Full HD+
Pixel Density - 409 ppi
Aspect Ratio - 19:9
Max Brightness - 500 cd/m²
Contrast Ratio - 1500:1
Display Enhancement Technology - Sunlight mode
Display Features - Night Display, Reading mode, Colour temperature adjustment, Dot Drop display
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi Redmi 3S Xiaomi Redmi Note 7
Processor Type (CPU) Qualcomm Snapdragon 430 Qualcomm Snapdragon 660 AIE
Clock Speed 1.4 GHz 2.2 GHz Xiaomi Redmi Note 7 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 512
MEMORY Xiaomi Redmi 3S Xiaomi Redmi Note 7
RAM 2 GB LPDDR4X SDRAM - 3 GB Xiaomi Redmi Note 7 has more RAM than Xiaomi Redmi 3S.
Internal Memory Size (Storage Capacity) 16 GB 32 GB Xiaomi Redmi Note 7 has more internal memory than Xiaomi Redmi 3S.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 256 GB
CAMERA Xiaomi Redmi 3S Xiaomi Redmi Note 7
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 48 Megapixel Xiaomi Redmi Note 7 has better camera resolution than Xiaomi Redmi 3S.
Lens Aperture F/2.0 F/1.8 Xiaomi Redmi Note 7 has better lens aperture than Xiaomi Redmi 3S.
Lens Construction 5-element -
Pixel Size - 1.6 μm
Focus Adjustment Automatic Automatic
Special Effects HDR HDR, low light enhancement
HDR Mode - Auto HDR mode
Camera Modes Panorama, manual mode Burst mode, Panorama, AI portrait mode
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 7 has face detection.
Light Source LED light LED flash
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 120 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, 27 different scenes, AI portrait mode with background blurring
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 13 Megapixel Xiaomi Redmi Note 7 has better front camera resolution than Xiaomi Redmi 3S.
Lens Aperture (Front) F/2.2 -
Special Effects (Front) - HDR
Camera Modes (Front) Beautify Selfie mode AI portrait mode, AI Beautify
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) - Self-timer, AI background bluring, AI scene detection, 12 different scenes
BATTERY AND CHARGING Xiaomi Redmi 3S Xiaomi Redmi Note 7
Battery Capacity (Battery Size) 4100 mAh 4000 mAh Xiaomi Redmi 3S has larger battery capacity than Xiaomi Redmi Note 7.
Fast Charging Technology - Qualcomm Quick Charge 4.0 Xiaomi Redmi Note 7 has fast charging technology.
Standby Time - 251 hours
Talk Time - 1380 minutes
Run Time Details - Talk: up to 1380 min
Standby: up to 251 hrs
Playback (video): up to 13 hrs
Gaming: up to 7 hrs
CELLULAR Xiaomi Redmi 3S Xiaomi Redmi Note 7
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
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi Redmi 3S Xiaomi Redmi Note 7
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 900 GSM, 1900 GSM 850 GSM, 900 GSM, 1900 GSM, 2100 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 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, TDD 2600, TDD 2300
Wireless Interface IEEE 802.11b/g/n Infrared (IrDA), IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles HID -
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi 3S Xiaomi Redmi Note 7
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark MKV, XviD, MPEG-4, H.264, M4V, ASP
FEATURES Xiaomi Redmi 3S Xiaomi Redmi Note 7
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, ambient light sensor, digital compass, gyro sensor, distance sensor, vibration sensor
Security Devices - Fingerprint reader
Additional Phone Features Infrared remote control, Reading mode Infrared remote control, Dual microphones
OTHERS Xiaomi Redmi 3S Xiaomi Redmi Note 7
Included Accessories USB cable, power adapter, SIM card removal tool USB cable, power adapter, SIM card removal tool, transparent soft case
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