Side by side comparison and review of Alcatel 1X (2019) and Vivo X51 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | 5008Y | V2006 | |
| Form Factor | Touch | Touch | |
| Height | 146.35 mm | 158.46 mm | Vivo X51 5G has greater height than Alcatel 1X (2019). |
| Width | 68.8 mm | 72.8 mm | Vivo X51 5G has greater width than Alcatel 1X (2019). |
| Depth | 8.3 mm | 8.04 mm | Vivo X51 5G is narrower than Alcatel 1X (2019). |
| Weight | 130 g | 181.5 g | Alcatel 1X (2019) is lighter than Alcatel 1X (2019). |
| Body Colour | Pebble black | Alpha grey | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | - | 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| 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 | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.56" | Vivo X51 5G has larger screen size than Alcatel 1X (2019). |
| Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2376 x 1080 pixels | Vivo X51 5G has better screen resolution than Alcatel 1X (2019). |
| Display Format | HD+ | - | |
| Pixel Density | - | 398 ppi | |
| Aspect Ratio | 19.5:9 | 19.8:9 | |
| Max Brightness | - | 500 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | 2.5D Glass, FullView Display | - | |
| Display Protection (Screen Protector) | Dragontrail (scratch resistant glass) | - |
| PROCESSOR | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 765G | |
|---|---|---|---|
| Processor Number | MT6739WW | - | |
| Clock Speed | 1.5 GHz | 2.4 GHz | Vivo X51 5G has higher clock speed than Alcatel 1X (2019). |
| Processor Core Qty | Quad-core | 8-core | Vivo X51 5G has higher processor core quantity than Alcatel 1X (2019). |
| MEMORY | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| RAM | 2 GB | 8 GB | Vivo X51 5G has more RAM than Alcatel 1X (2019). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | Vivo X51 5G has more internal memory than Alcatel 1X (2019). |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Vivo X51 5G has better camera resolution than Alcatel 1X (2019). |
| Sensor Size | 1/3" | - | |
| Lens Aperture | F/2.0 | F/1.6 | Vivo X51 5G has better lens aperture than Alcatel 1X (2019). |
| Pixel Size | 1.12 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama, Time-lapse mode, night mode, BurstShot, Refocus mode, Bokeh Mode, Snap Shot | 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) | Interpolated to 16MP, real-time photo filters, real-time video filters, EIS video stabilisation, Light Trace | 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 13 Megapixel | Vivo X51 5G has better second camera resolution than Alcatel 1X (2019). |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/5" | - | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.46 | Alcatel 1X (2019) has better second camera lens aperture than Alcatel 1X (2019). |
| Pixel Size (2nd Camera) | 1.65 μm | - |
| 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 1X (2019). |
| Sensor Size (Front) | 1/5" | - | |
| Lens Aperture (Front) | F/2.4 | F/2.45 | Alcatel 1X (2019) has better front lens aperture than Alcatel 1X (2019). |
| Pixel Size (Front) | 1.12 μm | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | Face Beautification | HDR | |
| Camera Modes (Front) | - | Live Photos, Portrait | |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Front) | Interpolated to 8MP | 2 x digital zoom |
| BATTERY AND CHARGING | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4315 mAh | Vivo X51 5G has larger battery capacity than Alcatel 1X (2019). |
|---|---|---|---|
| Recharge Time (Charging Time) | 3.5 hour(s) | - | |
| Standby Time | 450 hours | - | |
| Run Time Details | Standby (3G): up to 450 hrs Standby (4G): up to 420 hrs |
- |
| CELLULAR | Alcatel 1X (2019) | 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 8.1 Oreo | Funtouch OS 10 (based on Android 10) | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, VoWiFi | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | - | 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 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 | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| Supported Digital Audio Standards | WAV, AAC, MPEG 2 Audio, AMR, MP3, FLAC, AAC +, MIDI, APE (Monkey's Audio), Vorbis | 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 1X (2019) | Vivo X51 5G |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | HD Voice, dual microphones with noise cancellation, Face Key | - |
| OTHERS | Alcatel 1X (2019) | Vivo X51 5G |
|---|
| Included Accessories | Power adapter | 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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