Detailed comparison and review of Alcatel 1B (2020) and Vivo X51 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | 5002D | V2006 | |
| Form Factor | Touch | Touch | |
| Height | 146.1 mm | 158.46 mm | Vivo X51 5G has greater height than Alcatel 1B (2020). |
| Width | 71.6 mm | 72.8 mm | Vivo X51 5G has greater width than Alcatel 1B (2020). |
| Depth | 9.9 mm | 8.04 mm | Vivo X51 5G is narrower than Alcatel 1B (2020). |
| Weight | 168 g | 181.5 g | Alcatel 1B (2020) is lighter than Alcatel 1B (2020). |
| Body Colour | Prime black | Alpha grey | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | 1.65 W/kg (body), 0.65 W/kg (head), 3 W/kg (limb) | 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.56" | Vivo X51 5G has larger screen size than Alcatel 1B (2020). |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2376 x 1080 pixels | Vivo X51 5G has better screen resolution than Alcatel 1B (2020). |
| Display Format | HD+ | - | |
| Pixel Density | 293 ppi | 398 ppi | Vivo X51 5G has better pixel density than Alcatel 1B (2020). |
| Aspect Ratio | 18:9 | 19.8:9 | |
| Max Brightness | - | 500 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | 2.5D Glass | - |
| PROCESSOR | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 765G | |
|---|---|---|---|
| Processor Number | QM215 | - | |
| Clock Speed | - | 2.4 GHz | |
| Processor Core Qty | Quad-core | 8-core | Vivo X51 5G has higher processor core quantity than Alcatel 1B (2020). |
| Graphics System (GPU) | Qualcomm ADRENO 308 | - |
| MEMORY | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| RAM | 2 GB | 8 GB | Vivo X51 5G has more RAM than Alcatel 1B (2020). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | Vivo X51 5G has more internal memory than Alcatel 1B (2020). |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | - |
| CAMERA | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Vivo X51 5G has better camera resolution than Alcatel 1B (2020). |
| Sensor Size | 1/4" | - | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/2.0 | F/1.6 | Vivo X51 5G has better lens aperture than Alcatel 1B (2020). |
| Lens Construction | 4-element | - | |
| Field of View (FoV) | 81.2 degree(s) | - | |
| Pixel Size | 1.12 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Special Effects | HDR | HDR | |
| Camera Modes | Auto, Pano mode, Filter mode | Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | - | 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.46 |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Wide-angle lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Telephoto lens | |
| Lens Aperture (4th Camera) | - | F/3.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Vivo X51 5G has better front camera resolution than Alcatel 1B (2020). |
| Sensor Size (Front) | 1/5" | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.2 | F/2.45 | Alcatel 1B (2020) has better front lens aperture than Alcatel 1B (2020). |
| Lens Element Qty (Front) | 3-element | - | |
| Field of View (Front) | 83.2 degree(s) | - | |
| Pixel Size (Front) | 1.12 μm | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Live Photos, Portrait | |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Front) | - | 2 x digital zoom |
| BATTERY AND CHARGING | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4315 mAh | Vivo X51 5G has larger battery capacity than Alcatel 1B (2020). |
|---|---|---|---|
| Recharge Time (Charging Time) | 182 min | - | |
| Standby Time | 759 hours | - | |
| Talk Time | 2364 minutes | - | |
| Run Time Details | Standby (2G): up to 759 hrs Standby (3G): up to 715 hrs Standby (4G/VoLTE): up to 440 hrs Standby (VoLTE): up to 451 hrs Talk (2G): up to 2364 min Talk (3G): up to 1584 min Talk (4G/VoLTE): up to 750 hrs Playback (audio): up to 72 hrs Continuous browsing: up to 9 hrs |
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| CELLULAR | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Vivo X51 5G has more advanced generation mobile network. |
| Operating System | Android 10 (Go edition) | Funtouch OS 10 (based on Android 10) | |
| Intelligent Assistant | Google Assistant | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | |
| 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 3, Band 5, Band 7, Band 8, Band 20, Band 28 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n7, n8, n28, n38, n41, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
| NFC | - | Yes | Vivo X51 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Supported Digital Audio Standards | WAV, AAC, Ogg Vorbis, AMR, MP3, FLAC, MIDI, AWB, HE-AAC v1, HE-AAC v2 | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, AVI, 3GP, TS, MP4 | |
| Audio Amplifier | - | AK4377A |
| FEATURES | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Face recognition | Fingerprint reader | |
| Security Technology | Face Key | - | |
| Additional Phone Features | Multitasking, HD Voice, Google Assistant Button | - |
| OTHERS | Alcatel 1B (2020) | Vivo X51 5G |
|---|
| Included Accessories | USB cable, power adapter, sticker | Headset, USB cable, power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, protective case, protective film | |
|---|---|---|---|
| Compliant Standards | - | IP53 |
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