In depth comparison and review of Samsung Galaxy A51 5G 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 5G | Alcatel 1 (2021) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A516B/DS | 5033DR | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 137.6 mm | Samsung Galaxy A51 5G has greater height than Alcatel 1 (2021). |
| Width | 73.6 mm | 65.7 mm | Samsung Galaxy A51 5G has greater width than Alcatel 1 (2021). |
| Depth | 8.7 mm | 9.8 mm | Samsung Galaxy A51 5G is narrower than Samsung Galaxy A51 5G. |
| Weight | 187 g | 134 g | Alcatel 1 (2021) is lighter than Samsung Galaxy A51 5G. |
| Body Colour | Prism cube black | Prism cube white | Volcano black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.555 W/kg (body), 0.496 W/kg (head) | 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 | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy A51 5G | Alcatel 1 (2021) |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Super AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 5" | Samsung Galaxy A51 5G has larger screen size than Alcatel 1 (2021). |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 960 x 480 pixels | Samsung Galaxy A51 5G has better screen resolution than Alcatel 1 (2021). |
| Display Format | Full HD+ | FWVGA+ | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Eye comfort mode | |
| Display Features | Edge-to-Edge screen | FullView Display | |
| Display Protection (Screen Protector) | - | AGS Asahi Glass |
| PROCESSOR | Samsung Galaxy A51 5G | Alcatel 1 (2021) |
|---|
| Processor Type (CPU) | - | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6739 | |
| Clock Speed | 2.2 GHz | 1.28 GHz | Samsung Galaxy A51 5G has higher clock speed than Alcatel 1 (2021). |
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy A51 5G has higher processor core quantity than Alcatel 1 (2021). |
| 64-bit Architecture | Yes | - | Samsung Galaxy A51 5G has 64-bit architecture. |
| Graphics System (GPU) | - | IMG GE8100 |
| MEMORY | Samsung Galaxy A51 5G | Alcatel 1 (2021) |
|---|
| RAM | 6 GB | 1 GB | Samsung Galaxy A51 5G has more RAM than Alcatel 1 (2021). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 8 GB | Samsung Galaxy A51 5G has more internal memory than Alcatel 1 (2021). |
| User Memory | 105.3 GB | 5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSDHC, microSD - up to 32 GB |
| CAMERA | Samsung Galaxy A51 5G | Alcatel 1 (2021) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 1 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 5 Megapixel | Samsung Galaxy A51 5G has better camera resolution than Alcatel 1 (2021). |
| Sensor Size | - | 1/5" | |
| Lens Aperture | F/2.0 | F/2.4 | Samsung Galaxy A51 5G has better lens aperture than Samsung Galaxy A51 5G. |
| Lens Construction | - | 3-element | |
| Field of View (FoV) | - | 76 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | Focus free | |
| Digital Zoom | 8x | - | |
| Special Effects | Bokeh effect | - | |
| Camera Modes | Slow motion video | - | |
| 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, Slo-mo video 1280 x 720 (720p) at 480 fps | 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Live Focus, background 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 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 5G 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 5G has better front lens aperture than Samsung Galaxy A51 5G. |
| 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 5G | Alcatel 1 (2021) |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 2000 mAh | Samsung Galaxy A51 5G has larger battery capacity than Alcatel 1 (2021). |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.4 hour(s) | |
| Standby Time | - | 310 hours | |
| Talk Time | 1380 minutes | 1020 minutes | Samsung Galaxy A51 5G has longer battery life when making calls than Alcatel 1 (2021). |
| Run Time Details | Talk (4G): up to 1380 min Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 19 hrs Playback (audio): up to 86 hrs |
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 |
| CELLULAR | Samsung Galaxy A51 5G | Alcatel 1 (2021) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy A51 5G has more advanced generation mobile network. |
| Operating System | - | Android 11 (Go edition) | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS |
| COMMUNICATIONS | Samsung Galaxy A51 5G | Alcatel 1 (2021) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | 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 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 7, Band 8, Band 20 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | |
| 5G NR Band | N41, n78 | - | |
| 5G NR Frequency | TDD TD 2500, TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| NFC | Yes | - | Samsung Galaxy A51 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A51 5G | 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 5G | Alcatel 1 (2021) |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light 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, Bixby Routines, Virtual Proximity Sensing | Smart Manager |
| OTHERS | Samsung Galaxy A51 5G | Alcatel 1 (2021) |
|---|
| Included Accessories | Power adapter | - |
|---|
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