Xiaomi Redmi 3S vs. Xiaomi Redmi 4X

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi Redmi 3S and Xiaomi Redmi 4X. 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 4X Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S Xiaomi Redmi 4X
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 139.3 mm 139.24 mm Xiaomi Redmi 3S has greater height than Xiaomi Redmi 4X.
Width 69.6 mm 69.96 mm Xiaomi Redmi 4X has greater width than Xiaomi Redmi 3S.
Depth 8.5 mm 8.65 mm Xiaomi Redmi 3S is narrower than Xiaomi Redmi 3S.
Weight 144 g 146 g Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S.
Body Colour Gold Black
Body Material Metal Metal
Waterproof (Water-resistant) - -
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) 1.5 W/kg (body), 0.583 W/kg (head)
Connector Type Micro-USB - 5 pin Micro-USB Type B Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM, nano SIM Micro SIM, nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD Micro SIM + nano SIM/microSD
DISPLAY Xiaomi Redmi 3S Xiaomi Redmi 4X
Screen Size (Display Size) 5" 5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1280 x 720 pixels Both phones have the same screen resolution.
Display Format HD HD
Max Brightness - 450 cd/m²
Contrast Ratio - 1000:1
Display Features - 2.5D Glass, Night Display, Reading mode, Colour temperature adjustment
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass)
PROCESSOR Xiaomi Redmi 3S Xiaomi Redmi 4X
Processor Type (CPU) Qualcomm Snapdragon 430 Qualcomm Snapdragon 435
Clock Speed 1.4 GHz 1.4 GHz Both phones have the same clock speed.
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 505
MEMORY Xiaomi Redmi 3S Xiaomi Redmi 4X
RAM 2 GB 3 GB Xiaomi Redmi 4X has more RAM than Xiaomi Redmi 3S.
Internal Memory Size (Storage Capacity) 16 GB 32 GB Xiaomi Redmi 4X has more internal memory than Xiaomi Redmi 3S.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSDHC, microSDXC - up to 128 GB
CAMERA Xiaomi Redmi 3S Xiaomi Redmi 4X
MAIN CAMERA
Number of Main Cameras 1 1
Sensor Resolution 13 Megapixel 13 Megapixel Both phones have the same camera resolution.
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Lens Construction 5-element 5-element
Focus Adjustment Automatic Automatic
Special Effects HDR HDR
Camera Modes Panorama, manual mode Burst mode, Panorama
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 4X has face detection.
Light Source LED light LED light
Video Resolutions 1920 x 1080 (1080p) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus (PDAF)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 5 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Camera Modes (Front) Beautify Selfie mode Beautify Selfie mode
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
BATTERY AND CHARGING Xiaomi Redmi 3S Xiaomi Redmi 4X
Battery Capacity (Battery Size) 4100 mAh 4100 mAh Both phones have the same battery capacity.
Standby Time - 432 hours
Talk Time - 2160 minutes
Run Time Details - Talk: up to 2160 min
Playback (video): up to 15 hrs
Gaming: up to 13 hrs
Standby (LTE): up to 432 hrs
Playback (audio): up to 87 hrs
Reading: up to 26 hrs
Navigation: up to 15 hrs
CELLULAR Xiaomi Redmi 3S Xiaomi Redmi 4X
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 8
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi Redmi 3S Xiaomi Redmi 4X
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, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 3, Band 5, Band 40 Band 1, 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 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 802.11b/g/n
Bluetooth Bluetooth 4.1 Bluetooth 4.1
Bluetooth Profiles HID HID
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi 3S Xiaomi Redmi 4X
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, 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, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265
FEATURES Xiaomi Redmi 3S Xiaomi Redmi 4X
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, proximity sensor, gyro sensor
Security Devices - Fingerprint reader
Additional Phone Features Infrared remote control, Reading mode Infrared remote control
OTHERS Xiaomi Redmi 3S Xiaomi Redmi 4X
Included Accessories USB cable, power adapter, SIM card removal tool USB cable, power adapter, SIM card removal tool
Other projects: