Xiaomi Redmi 3S vs. Xiaomi Redmi 9A

Phone Comparison, Reviews and Tests

Side by side comparison and review of Xiaomi Redmi 3S and Xiaomi Redmi 9A. 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 Redmi 9A Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S Xiaomi Redmi 9A
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 139.3 mm 164.9 mm Xiaomi Redmi 9A has greater height than Xiaomi Redmi 3S.
Width 69.6 mm 77.07 mm Xiaomi Redmi 9A has greater width than Xiaomi Redmi 3S.
Depth 8.5 mm 9 mm Xiaomi Redmi 3S is narrower than Xiaomi Redmi 3S.
Weight 144 g 196 g Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S.
Body Colour Gold Sky blue | Granite grey
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb)
Integrated Components - FM radio
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 Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD -
DISPLAY Xiaomi Redmi 3S Xiaomi Redmi 9A
Screen Size (Display Size) 5" 6.53" Xiaomi Redmi 9A has larger screen size than Xiaomi Redmi 3S.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1600 x 720 pixels Xiaomi Redmi 9A has better screen resolution than Xiaomi Redmi 3S.
Display Format HD HD+
Aspect Ratio - 20:9
Max Brightness - 400 cd/m²
Contrast Ratio - 1500:1
Display Enhancement Technology - Blue light filter, Sunlight mode
Display Features - Reading mode, Colour temperature adjustment, Dot Drop display
PROCESSOR Xiaomi Redmi 3S Xiaomi Redmi 9A
Processor Type (CPU) Qualcomm Snapdragon 430 MediaTek Helio G25
Clock Speed 1.4 GHz 2 GHz Xiaomi Redmi 9A 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 PowerVR GE8320
MEMORY Xiaomi Redmi 3S Xiaomi Redmi 9A
RAM 2 GB LPDDR4X SDRAM - 2 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 16 GB 32 GB Xiaomi Redmi 9A has more internal memory than Xiaomi Redmi 3S.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB microSD
CAMERA Xiaomi Redmi 3S Xiaomi Redmi 9A
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 -
Lens Construction 5-element -
Focus Adjustment Automatic Automatic
Special Effects HDR HDR, Kaleidoscope
Camera Modes Panorama, manual mode AI portrait mode, AI Beautify 5.0
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 9A has face detection.
Light Source LED light Single tone 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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus (PDAF), AI scene detection
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.
Pixel Size (Front) - 1.12 μm
Special Effects (Front) - HDR
Camera Modes (Front) Beautify Selfie mode AI portrait mode, Portrait, AI Beautify 5.0
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Light Source (Front) - Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) - Self-timer, Palm shutter
BATTERY AND CHARGING Xiaomi Redmi 3S Xiaomi Redmi 9A
Battery Capacity (Battery Size) 4100 mAh 5000 mAh Xiaomi Redmi 9A has larger battery capacity than Xiaomi Redmi 3S.
Standby Time - 816 hours
Talk Time - 2280 minutes
Run Time Details - Standby: up to 816 hrs
Playback (audio): up to 168 hrs
Talk: up to 2280 min
Playback (video): up to 19 hrs
Gaming: up to 14 hrs
CELLULAR Xiaomi Redmi 3S Xiaomi Redmi 9A
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
User Interface MIUI V7 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi Redmi 3S Xiaomi Redmi 9A
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE 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, Band 41
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, TDD 2500
Wireless Interface IEEE 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles HID -
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi 3S Xiaomi Redmi 9A
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), 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, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP
Sound Enhancements - 0.64cc Sound Chamber
FEATURES Xiaomi Redmi 3S Xiaomi Redmi 9A
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, distance sensor
Security Devices - Face recognition
Additional Phone Features Infrared remote control, Reading mode AI face unlock, HyperEngine technology
OTHERS Xiaomi Redmi 3S Xiaomi Redmi 9A
Included Accessories USB cable, power adapter, SIM card removal tool USB cable, SIM card removal tool, 10W charger
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