In depth comparison and review of Samsung Galaxy A51 and Alcatel 3X 2019. 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 A51 | Alcatel 3X 2019 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A515F/DSN | 5048Y | |
| Form Factor | Touch | Touch | |
| Height | 158.5 mm | 164.85 mm | Alcatel 3X 2019 has greater height than Samsung Galaxy A51. |
| Width | 73.6 mm | 75.8 mm | Alcatel 3X 2019 has greater width than Samsung Galaxy A51. |
| Depth | 7.9 mm | 8.39 mm | Samsung Galaxy A51 is narrower than Samsung Galaxy A51. |
| Weight | 172 g | 178 g | Samsung Galaxy A51 is lighter than Samsung Galaxy A51. |
| Body Colour | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | Jewelry black | |
| Body Material | - | 2.5D glass | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | 1.69 W/kg (body), 1.42 W/kg (head), 3.92 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 6.52" | Alcatel 3X 2019 has larger screen size than Samsung Galaxy A51. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy A51 has better screen resolution than Alcatel 3X 2019. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 408 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Edge-to-Edge screen, Infinity O display | 2.5D Glass, Super FullView Display |
| PROCESSOR | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Processor Type (CPU) | Samsung Exynos 9611 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6763V/V | |
| Clock Speed | 2.3 GHz | 2 GHz | Samsung Galaxy A51 has higher clock speed than Alcatel 3X 2019. |
| 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. |
| MEMORY | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Samsung Galaxy A51 has more internal memory than Alcatel 3X 2019. |
| User Memory | 107 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 16 Megapixel | Samsung Galaxy A51 has better camera resolution than Alcatel 3X 2019. |
| Sensor Size | - | 1/2.8" | |
| Lens Aperture | F/2.0 | F/1.8 | Alcatel 3X 2019 has better lens aperture than Samsung Galaxy A51. |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | - | HDR | |
| Camera Modes | Slow motion mode, Live Focus mode | Panorama, night mode, low-light shots | |
| Light Source | LED flash | Dual tone LED flash | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur | Real-time bokeh, AI scene detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy A51 has better second camera resolution than Alcatel 3X 2019. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/4" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 118 degree(s) | Samsung Galaxy A51 has larger second camera lens field of view than Alcatel 3X 2019. |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 5 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Pixel Size (3rd Camera) | - | 1.12 μm | |
| Camera Functions (3rd Camera) | Macro camera | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/2.2 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 8 Megapixel | Samsung Galaxy A51 has better front camera resolution than Alcatel 3X 2019. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Alcatel 3X 2019 has better front lens aperture than Samsung Galaxy A51. |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | Animated characters |
| BATTERY AND CHARGING | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 2.7 hour(s) | |
| Standby Time | - | 500 hours | |
| Talk Time | 1920 minutes | 1800 minutes | Samsung Galaxy A51 has longer battery life when making calls than Alcatel 3X 2019. |
| Run Time Details | Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 20 hrs Playback (audio): up to 87 hrs Talk (4G): up to 1920 min |
Talk (2G): up to 1800 min Talk (3G & 4G): up to 1440 min Standby (2G & 3G): up to 500 hrs Standby (4G): up to 400 hrs |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 9.0 Pie | |
| User Interface | One UI | - | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS |
| COMMUNICATIONS | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | |
| 4G LTE Frequency | 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 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.2 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - |
| FEATURES | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, G-sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Security Technology | - | Face Key | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines | HD Voice, dual microphones with noise cancellation, Google Lens |
| OTHERS | Samsung Galaxy A51 | Alcatel 3X 2019 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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