In depth comparison and review of Samsung Galaxy A3 (2017) and Xiaomi Redmi Note 7. 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 Note 7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A320F | - | |
| Form Factor | Touch | Touch | |
| Height | 135.4 mm | 159.21 mm | Xiaomi Redmi Note 7 has greater height than Samsung Galaxy A3 (2017). |
| Width | 66.2 mm | 75.21 mm | Xiaomi Redmi Note 7 has greater width than Samsung Galaxy A3 (2017). |
| Depth | 7.9 mm | 8.1 mm | Samsung Galaxy A3 (2017) is narrower than Samsung Galaxy A3 (2017). |
| Weight | 138 g | 186 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 | Space black | Neptune blue | |
| Body Material | Metal, glass | - | |
| Protection | Dustproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy A3 (2017) is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.38 W/kg (body), 0.349 W/kg (head) | 1.274 W/kg (body), 0.591 W/kg (head), 2.885 W/kg (limb) | |
| 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 | 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 Note 7 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | - | |
| Screen Size (Display Size) | 4.7" | 6.3" | Xiaomi Redmi Note 7 has larger screen size than Samsung Galaxy A3 (2017). |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 7 has better screen resolution than Samsung Galaxy A3 (2017). |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 409 ppi | |
| Aspect Ratio | - | 19:9 | |
| Max Brightness | - | 500 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | Always-on display | Night Display, Reading mode, Colour temperature adjustment, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 660 AIE | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2.2 GHz | Xiaomi Redmi Note 7 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. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi Note 7 has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 512 |
| MEMORY | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 3 GB | Xiaomi Redmi Note 7 has more RAM than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Xiaomi Redmi Note 7 has more internal memory than Samsung Galaxy A3 (2017). |
| User Memory | 9.7 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Xiaomi Redmi Note 7 has better camera resolution than Samsung Galaxy A3 (2017). |
| Sensor Type | CMOS | - | |
| Lens Aperture | F/1.9 | F/1.8 | Xiaomi Redmi Note 7 has better lens aperture than Samsung Galaxy A3 (2017). |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, low light enhancement | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Food mode | Burst mode, Panorama, AI portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 7 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Quick Launch | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, 27 different scenes, AI portrait mode with background blurring |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 13 Megapixel | Xiaomi Redmi Note 7 has better front camera resolution than Samsung Galaxy A3 (2017). |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | F/1.9 | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 7 has face detection. |
| Camera Features (Front) | - | Self-timer, AI background bluring, AI scene detection, 12 different scenes |
| BATTERY AND CHARGING | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| Battery Capacity (Battery Size) | 2350 mAh | 4000 mAh | Xiaomi Redmi Note 7 has larger battery capacity than Samsung Galaxy A3 (2017). |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0 | Xiaomi Redmi Note 7 has fast charging technology. |
| Standby Time | - | 251 hours | |
| Talk Time | 1020 minutes | 1380 minutes | Xiaomi Redmi Note 7 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 1380 min Standby: up to 251 hrs Playback (video): up to 13 hrs Gaming: up to 7 hrs |
| CELLULAR | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| 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 9.0 Pie | |
| User Interface | - | MIUI 10 | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | - | |
| NFC | Yes | - | Samsung Galaxy A3 (2017) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| 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 | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, 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 | MKV, XviD, MPEG-4, H.264, M4V, ASP |
| FEATURES | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| 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 | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, digital compass, gyro sensor, distance sensor, vibration sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | S-Voice, Samsung KNOX | Infrared remote control, Dual microphones |
| OTHERS | Samsung Galaxy A3 (2017) | Xiaomi Redmi Note 7 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, transparent soft case | |
|---|---|---|---|
| Compliant Standards | IP68 | - | |
| Max Depth of Water Resistance | 1.5 m | - |
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