Alcatel POP 4 5051X vs. Vivo X51 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Alcatel POP 4 5051X 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.

Phone Specifications Comparison

Alcatel POP 4 5051X vs. Vivo X51 5G Comparison Chart
DESIGN AND DIMENSIONS Alcatel POP 4 5051X Vivo X51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - V2006
Form Factor Touch Touch
Height 140.7 mm 158.46 mm Vivo X51 5G has greater height than Alcatel POP 4 5051X.
Width 71.4 mm 72.8 mm Vivo X51 5G has greater width than Alcatel POP 4 5051X.
Depth 7.99 mm 8.04 mm Alcatel POP 4 5051X is narrower than Alcatel POP 4 5051X.
Weight 134 g 181.5 g Alcatel POP 4 5051X is lighter than Alcatel POP 4 5051X.
Body Colour Dark grey Alpha grey
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 0.83 W/kg (body), 0.901 W/kg (head) 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) Micro SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Alcatel POP 4 5051X Vivo X51 5G
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 5" 6.56" Vivo X51 5G has larger screen size than Alcatel POP 4 5051X.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2376 x 1080 pixels Vivo X51 5G has better screen resolution than Alcatel POP 4 5051X.
Display Format HD -
Pixel Density - 398 ppi
Aspect Ratio - 19.8:9
Max Brightness - 500 cd/m²
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Full Lamination -
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating -
PROCESSOR Alcatel POP 4 5051X Vivo X51 5G
Processor Type (CPU) Qualcomm Snapdragon 210 Qualcomm Snapdragon 765G
Processor Number MSM8909 -
Clock Speed 1.1 GHz 2.4 GHz Vivo X51 5G has higher clock speed than Alcatel POP 4 5051X.
Processor Core Qty Quad-core 8-core Vivo X51 5G has higher processor core quantity than Alcatel POP 4 5051X.
MEMORY Alcatel POP 4 5051X Vivo X51 5G
RAM 1 GB 8 GB Vivo X51 5G has more RAM than Alcatel POP 4 5051X.
Internal Memory Size (Storage Capacity) 8 GB 256 GB Vivo X51 5G has more internal memory than Alcatel POP 4 5051X.
Supported Flash Memory Cards (Expandable Memory) microSDHC - up to 32 GB -
CAMERA Alcatel POP 4 5051X 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 POP 4 5051X.
Lens Aperture - F/1.6
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Special Effects - HDR
HDR Mode Auto HDR mode -
Camera Modes - Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode
Light Source LED light LED flash
Video Resolutions 1280 x 720 (720p) -
Camera Features (Functions) QR-code scanner 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 POP 4 5051X.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) - F/2.45
Special Effects (Front) - HDR
Camera Modes (Front) - Live Photos, Portrait
Light Source (Front) LED flash -
Camera Features (Front) - 2 x digital zoom
BATTERY AND CHARGING Alcatel POP 4 5051X Vivo X51 5G
Battery Capacity (Battery Size) 2500 mAh 4315 mAh Vivo X51 5G has larger battery capacity than Alcatel POP 4 5051X.
Recharge Time (Charging Time) 4 hour(s) -
Standby Time 420 hours -
Talk Time 720 minutes -
Run Time Details Talk (GSM): up to 720 min
Talk (WCDMA): up to 540 min
Talk (LTE): up to 300 min
Standby (GSM): up to 420 hrs
Standby (WCDMA): up to 420 hrs
Standby (LTE): up to 400 hrs
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CELLULAR Alcatel POP 4 5051X 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 6.0 (Marshmallow) Funtouch OS 10 (based on Android 10)
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Alcatel POP 4 5051X Vivo X51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE 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 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, 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 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 4.0 Bluetooth 5.1
NFC - Yes Vivo X51 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Alcatel POP 4 5051X Vivo X51 5G
Supported Digital Audio Standards AAC WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MPEG-4, H.264, H.263 MKV, AVI, 3GP, TS, MP4
Audio Amplifier - AK4377A
FEATURES Alcatel POP 4 5051X 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 Ambient light sensor, proximity sensor, digital compass, G-sensor, hall sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices - Fingerprint reader
Additional Phone Features HD Voice -
OTHERS Alcatel POP 4 5051X 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
Other projects: