Side by side comparison and review of Xiaomi Redmi 3S and Google Pixel 3a. 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 | Google Pixel 3a |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | G020F | |
| Form Factor | Touch | Touch | |
| Height | 139.3 mm | 151.3 mm | Google Pixel 3a has greater height than Xiaomi Redmi 3S. |
| Width | 69.6 mm | 70.1 mm | Google Pixel 3a has greater width than Xiaomi Redmi 3S. |
| Depth | 8.5 mm | 8.2 mm | Google Pixel 3a is narrower than Xiaomi Redmi 3S. |
| Weight | 144 g | 147 g | Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S. |
| Body Colour | Gold | Clearly white | Purple-ish | Just black | |
| Body Material | Metal | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.43 W/kg (body), 0.62 W/kg (head) | 1.55 W/kg (body), 1.38 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Single-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | OLED | |
| Screen Size (Display Size) | 5" | 5.6" | Google Pixel 3a has larger screen size than Xiaomi Redmi 3S. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2220 x 1080 pixels | Google Pixel 3a has better screen resolution than Xiaomi Redmi 3S. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 441 ppi | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 100000:1 | |
| Display Features | - | Always-on display, Now Playing |
| PROCESSOR | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 430 | Qualcomm Snapdragon 670 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 2 GHz | Google Pixel 3a 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 615 |
| MEMORY | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 4 GB | Google Pixel 3a has more RAM than Xiaomi Redmi 3S. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Google Pixel 3a has more internal memory than Xiaomi Redmi 3S. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12.2 Megapixel | Xiaomi Redmi 3S has better camera resolution than Google Pixel 3a. |
| Lens Aperture | F/2.0 | F/1.8 | Google Pixel 3a has better lens aperture than Xiaomi Redmi 3S. |
| Lens Construction | 5-element | - | |
| Field of View (FoV) | - | 76 degree(s) | |
| Pixel Size | - | 1.4 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Google Pixel 3a has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, manual mode | Portrait mode | |
| Light Source | LED light | - | |
| 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, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 240 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Electronic Image Stabiliser (EIS), dual pixel phase detection, Motion Auto Focus |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Google Pixel 3a has better front camera resolution than Xiaomi Redmi 3S. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Google Pixel 3a has better front lens aperture than Xiaomi Redmi 3S. |
| Field of View (Front) | - | 84 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | Beautify Selfie mode | - | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi 3S has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 640 x 480 (VGA) at 30 fps |
| BATTERY AND CHARGING | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 3000 mAh | Xiaomi Redmi 3S has larger battery capacity than Google Pixel 3a. |
|---|
| CELLULAR | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 9.0 Pie | |
| User Interface | MIUI V7 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 900 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 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 12, Band 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | |
| 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 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HID | - | |
| NFC | - | Yes | Google Pixel 3a has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| Supported Digital Audio Standards | AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI | 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 | - |
| FEATURES | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| 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, barometer, magnetometer, gyro sensor, haptics sensor, Active Edge | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Infrared remote control, Reading mode | Dual microphones, MIMO technology, Android Sensor Hub, Noise suppression, Night Shift, ARCore, Google Lens, Titan M Security Module, Pixel Imprint sensor |
| OTHERS | Xiaomi Redmi 3S | Google Pixel 3a |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | SIM card removal tool, Quick switch adapter, 18W USB-C power adapter, USB-C to USB-C cable (1 m) |
|---|
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