In depth comparison and review of Samsung Galaxy A3 (2017) and Xiaomi Redmi 12. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A320F | - | |
| Form Factor | Touch | Touch | |
| Height | 135.4 mm | 168.6 mm | Xiaomi Redmi 12 has greater height than Samsung Galaxy A3 (2017). |
| Width | 66.2 mm | 76.28 mm | Xiaomi Redmi 12 has greater width than Samsung Galaxy A3 (2017). |
| Depth | 7.9 mm | 8.17 mm | Samsung Galaxy A3 (2017) is narrower than Samsung Galaxy A3 (2017). |
| Weight | 138 g | 198.5 g | Samsung Galaxy A3 (2017) is lighter than Samsung Galaxy A3 (2017). |
| Body Colour | Sand gold | Blue mist | Blue-mist | Gold-sand | Black-sky | Peach-cloud | Midnight black | |
| Body Material | Metal, glass | - | |
| Protection | Dustproof, waterproof | Spill-resistant, dust-resistant | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy A3 (2017) is waterproof. |
| IP rating | IP68 | IP53 | |
| SAR Value | 1.38 W/kg (body), 0.349 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | - | |
| Screen Size (Display Size) | 4.7" | 6.79" | Xiaomi Redmi 12 has larger screen size than Samsung Galaxy A3 (2017). |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2460 x 1080 pixels | Xiaomi Redmi 12 has better screen resolution than Samsung Galaxy A3 (2017). |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 396 ppi | |
| Max Brightness | - | 550 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Reading mode 3.0 | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Always-on display | Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC |
| PROCESSOR | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Processor Type (CPU) | - | MediaTek Helio G88 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2 GHz | Xiaomi Redmi 12 has higher clock speed than Samsung Galaxy A3 (2017). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | ARM Mali-G52 |
| MEMORY | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension | Xiaomi Redmi 12 has more RAM than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Xiaomi Redmi 12 has more internal memory than Samsung Galaxy A3 (2017). |
| User Memory | 9.7 GB | - | |
| Memory Interface | - | eMMC 5.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Xiaomi Redmi 12 has better camera resolution than Samsung Galaxy A3 (2017). |
| Sensor Type | CMOS | - | |
| Lens Aperture | F/1.9 | F/1.8 | Xiaomi Redmi 12 has better lens aperture than Samsung Galaxy A3 (2017). |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Food mode | - | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Quick Launch | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | F/1.9 | F/2.1 | Samsung Galaxy A3 (2017) has better front lens aperture than Samsung Galaxy A3 (2017). |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Battery Capacity (Battery Size) | 2350 mAh | 5000 mAh | Xiaomi Redmi 12 has larger battery capacity than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Standby Time | - | 552 hours | |
| Talk Time | 1020 minutes | 2220 minutes | Xiaomi Redmi 12 has longer battery life when making calls than Samsung Galaxy A3 (2017). |
| Run Time Details | Talk (3G): up to 1020 min Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 17 hrs Playback (Music): up to 41 hrs Playback (audio (Always On Display Off)): up to 55 hrs |
Talk: up to 2220 min Standby: up to 552 hrs Playback (video): up to 16 hrs Reading: up to 26 hrs |
| CELLULAR | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0.1 (Marshmallow) | Android 13 | |
| User Interface | - | MIUI 14 | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | - | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.3 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID, AMR-WB, AMR-NB | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, FLV, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265 | - |
| FEATURES | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, digital compass | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | S-Voice, Samsung KNOX | Fast Charging, IR blaster |
| OTHERS | Samsung Galaxy A3 (2017) | Xiaomi Redmi 12 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | IP68 | IP53, SGS Low Blue Light Certification | |
| Max Depth of Water Resistance | 1.5 m | - |
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