Alcatel POP 4 5051X vs. Samsung Galaxy S21 Ultra 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Alcatel POP 4 5051X and Samsung Galaxy S21 Ultra 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. Samsung Galaxy S21 Ultra 5G Comparison Chart
DESIGN AND DIMENSIONS Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-G998B/DS
Form Factor Touch Touch
Height 140.7 mm 161.5 mm Samsung Galaxy S21 Ultra 5G has greater height than Alcatel POP 4 5051X.
Width 71.4 mm 75.6 mm Samsung Galaxy S21 Ultra 5G has greater width than Alcatel POP 4 5051X.
Depth 7.99 mm 8.9 mm Alcatel POP 4 5051X is narrower than Alcatel POP 4 5051X.
Weight 134 g 227 g Alcatel POP 4 5051X is lighter than Alcatel POP 4 5051X.
Body Colour Dark grey Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy S21 Ultra 5G is waterproof.
IP rating - IP68
SAR Value 0.83 W/kg (body), 0.901 W/kg (head) 1.58 W/kg (body), 0.714 W/kg (head), 2.56 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, Electronic SIM card (e-SIM)
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
Display Type LCD display OLED display
Display Technology IPS Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 5" 6.8" Samsung Galaxy S21 Ultra 5G has larger screen size than Alcatel POP 4 5051X.
Screen Resolution (Display Resolution) 1280 x 720 pixels 3200 x 1440 pixels Samsung Galaxy S21 Ultra 5G has better screen resolution than Alcatel POP 4 5051X.
Display Format HD QHD+
Pixel Density - 515 ppi
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR - Yes Samsung Galaxy S21 Ultra 5G has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features Full Lamination Edge Screen, AOD(Always On Display)
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
Processor Type (CPU) Qualcomm Snapdragon 210 Samsung Exynos 2100
Processor Number MSM8909 -
Clock Speed 1.1 GHz 2.9 GHz Samsung Galaxy S21 Ultra 5G has higher clock speed than Alcatel POP 4 5051X.
Processor Core Qty Quad-core 8-core Samsung Galaxy S21 Ultra 5G has higher processor core quantity than Alcatel POP 4 5051X.
Graphics System (GPU) - Mali-G78 MP14
MEMORY Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
RAM 1 GB LPDDR5 SDRAM - 12 GB Samsung Galaxy S21 Ultra 5G has more RAM than Alcatel POP 4 5051X.
Internal Memory Size (Storage Capacity) 8 GB 128 GB Samsung Galaxy S21 Ultra 5G has more internal memory than Alcatel POP 4 5051X.
User Memory - 101.7 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC - up to 32 GB -
CAMERA Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 8 Megapixel 12 Megapixel Samsung Galaxy S21 Ultra 5G has better camera resolution than Alcatel POP 4 5051X.
Lens Type - Ultra wide-angle lens
Lens Aperture - F/2.2
Field of View (FoV) - 120 degree(s)
Pixel Size - 1.4 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S21 Ultra 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Optical Zoom - 3x
Digital Zoom - 100x
Self-Timer Delay - Yes
Special Effects - Face retouch, Grid Line
HDR Mode Auto HDR mode Auto HDR mode
Camera Modes - Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View
Light Source LED light High CRI LED flash
Video Resolutions 1280 x 720 (720p) 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps
Camera Features (Functions) QR-code scanner Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video
SECOND CAMERA
Sensor Resolution (2nd Camera) - 108 Megapixel
Sensor Size (2nd Camera) - 1/1.33"
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) - F/1.8
Field of View (2nd Camera) - 83 degree(s)
Pixel Size (2nd Camera) - 0.8 μm
Camera Features (2nd Camera) - Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 10 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 35 degree(s)
Pixel Size (3rd Camera) - 1.22 μm
Camera Features (3rd Camera) - Dual Pixel AF
FOURTH CAMERA
Sensor Resolution (4th Camera) - 10 Megapixel
Lens Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/4.9
Field of View (4th Camera) - 10 degree(s)
Pixel Size (4th Camera) - 1.22 μm
Camera Features (4th Camera) - Dual Pixel AF
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 40 Megapixels Samsung Galaxy S21 Ultra 5G has better front camera resolution than Alcatel POP 4 5051X.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) - F/2.2
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 0.7 μm
Focus Adjustment - Automatic
Light Source (Front) LED flash -
Camera Features (Front) - Phase Detect Auto-Focus (PDAF)
BATTERY AND CHARGING Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
Battery Capacity (Battery Size) 2500 mAh 5000 mAh Samsung Galaxy S21 Ultra 5G has larger battery capacity than Alcatel POP 4 5051X.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 Samsung Galaxy S21 Ultra 5G has fast charging technology.
Recharge Time (Charging Time) 4 hour(s) -
Wireless Charging - Yes Samsung Galaxy S21 Ultra 5G can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare
Standby Time 420 hours -
Talk Time 720 minutes 2460 minutes Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than Alcatel POP 4 5051X.
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
Talk (4G): up to 2460 min
Active online usage (LTE): up to 18 hrs
Active online usage (Wi-Fi): up to 18 hrs
Playback (wireless video): up to 22 hrs
Playback (wireless audio): up to 81 hrs
CELLULAR Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 Ultra 5G has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) Android 11
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 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
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 13, Band 17, Band 18, Band 19, Band 20, Band 25, 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, 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, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.0 Bluetooth 5.2
NFC - Yes Samsung Galaxy S21 Ultra 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
Supported Digital Audio Standards AAC WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards MPEG-4, H.264, H.263 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 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, barometer, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Fingerprint reader (under display), face recognition
Additional Phone Features HD Voice Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command
OTHERS Alcatel POP 4 5051X Samsung Galaxy S21 Ultra 5G
Included Accessories Power adapter SIM card removal tool, USB-C to USB-C cable
Compliant Standards - IP68, HAC (Hearing Aid Compatible)
Max Depth of Water Resistance - 1.5 m
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