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.
| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| Included Accessories | USB cable, power adapter, SIM card removal tool | USB cable, SIM card removal tool, 10W charger |
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