In depth comparison and review of Samsung Galaxy A51 and Alcatel 1 (2021). 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 1 (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A515F/DSN | 5033DR | |
| Form Factor | Touch | Touch | |
| Height | 158.5 mm | 137.6 mm | Samsung Galaxy A51 has greater height than Alcatel 1 (2021). |
| Width | 73.6 mm | 65.7 mm | Samsung Galaxy A51 has greater width than Alcatel 1 (2021). |
| Depth | 7.9 mm | 9.8 mm | Samsung Galaxy A51 is narrower than Samsung Galaxy A51. |
| Weight | 172 g | 134 g | Alcatel 1 (2021) is lighter than Samsung Galaxy A51. |
| Body Colour | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | Volcano black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | 1.63 W/kg (body), 0.91 W/kg (head), 3.49 W/kg (limb) | |
| Integrated Components | - | LED flashlight | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 5" | Samsung Galaxy A51 has larger screen size than Alcatel 1 (2021). |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 960 x 480 pixels | Samsung Galaxy A51 has better screen resolution than Alcatel 1 (2021). |
| Display Format | Full HD+ | FWVGA+ | |
| Pixel Density | 408 ppi | - | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Eye comfort mode | |
| Display Features | Edge-to-Edge screen, Infinity O display | FullView Display | |
| Display Protection (Screen Protector) | - | AGS Asahi Glass |
| PROCESSOR | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| Processor Type (CPU) | Samsung Exynos 9611 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6739 | |
| Clock Speed | 2.3 GHz | 1.28 GHz | Samsung Galaxy A51 has higher clock speed than Alcatel 1 (2021). |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy A51 has higher processor core quantity than Alcatel 1 (2021). |
| 64-bit Architecture | Yes | - | Samsung Galaxy A51 has 64-bit architecture. |
| Graphics System (GPU) | - | IMG GE8100 |
| MEMORY | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| RAM | 4 GB | 1 GB | Samsung Galaxy A51 has more RAM than Alcatel 1 (2021). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 8 GB | Samsung Galaxy A51 has more internal memory than Alcatel 1 (2021). |
| User Memory | 107 GB | 5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD - up to 32 GB |
| CAMERA | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 1 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 5 Megapixel | Samsung Galaxy A51 has better camera resolution than Alcatel 1 (2021). |
| Sensor Size | - | 1/5" | |
| Lens Aperture | F/2.0 | F/2.4 | Samsung Galaxy A51 has better lens aperture than Samsung Galaxy A51. |
| Lens Construction | - | 3-element | |
| Field of View (FoV) | - | 76 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Focus free | |
| Digital Zoom | 8x | - | |
| Camera Modes | Slow motion mode, Live Focus mode | - | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1 (2021) has face detection. |
| Light Source | LED flash | - | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 123 degree(s) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Camera Functions (3rd Camera) | Macro 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 | 2 Megapixel | Samsung Galaxy A51 has better front camera resolution than Alcatel 1 (2021). |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | F/2.2 | F/2.8 | Samsung Galaxy A51 has better front lens aperture than Samsung Galaxy A51. |
| Lens Element Qty (Front) | - | 2-element | |
| Field of View (Front) | - | 61 degree(s) | |
| Pixel Size (Front) | - | 1.75 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | - | Photo booth, Instant Collage, Social Square | |
| Camera Modes (Front) | - | One-handed mode, Social Mode | |
| Face Recognition (Face ID) | - | Face tracking | Alcatel 1 (2021) has face detection. |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 2000 mAh | Samsung Galaxy A51 has larger battery capacity than Alcatel 1 (2021). |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.4 hour(s) | |
| Standby Time | - | 310 hours | |
| Talk Time | 1920 minutes | 1020 minutes | Samsung Galaxy A51 has longer battery life when making calls than Alcatel 1 (2021). |
| 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 |
Standby (2G): up to 310 hrs Standby (3G): up to 300 hrs Standby (4G): up to 210 hrs Talk (2G): up to 1020 min Talk (3G): up to 660 min Talk (4G): up to 480 min |
|
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| 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 11 (Go edition) | |
| User Interface | One UI | - | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS |
| COMMUNICATIONS | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, 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 7, Band 8, Band 20 | |
| 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 2600, FDD 900, FDD 800 DD | |
| 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 | - | Samsung Galaxy A51 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, AAC +, MIDI, APE (Monkey's Audio), Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MPEG-2, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, proximity sensor | |
| Security Devices | Fingerprint reader (under display) | - | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines | Smart Manager |
| OTHERS | Samsung Galaxy A51 | Alcatel 1 (2021) |
|---|
| Included Accessories | Power adapter | - |
|---|
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