In depth comparison and review of Alcatel 3X 2019 and Samsung Galaxy S21 Ultra 5G. 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 | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | 5048Y | SM-G998B/DS | |
| Form Factor | Touch | Touch | |
| Height | 164.85 mm | 161.5 mm | Alcatel 3X 2019 has greater height than Samsung Galaxy S21 Ultra 5G. |
| Width | 75.8 mm | 75.6 mm | Alcatel 3X 2019 has greater width than Samsung Galaxy S21 Ultra 5G. |
| Depth | 8.39 mm | 8.9 mm | Alcatel 3X 2019 is narrower than Alcatel 3X 2019. |
| Weight | 178 g | 227 g | Alcatel 3X 2019 is lighter than Alcatel 3X 2019. |
| Body Colour | Jewelry black | Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium | |
| Body Material | 2.5D glass | - | |
| Protection | - | Dustproof, splashproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy S21 Ultra 5G is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.69 W/kg (body), 1.42 W/kg (head), 3.92 W/kg (limb) | 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | Infinity-O Dynamic AMOLED 2X | |
| Screen Size (Display Size) | 6.52" | 6.8" | Samsung Galaxy S21 Ultra 5G has larger screen size than Alcatel 3X 2019. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 3200 x 1440 pixels | Samsung Galaxy S21 Ultra 5G has better screen resolution than Alcatel 3X 2019. |
| Display Format | HD+ | QHD+ | |
| Pixel Density | - | 515 ppi | |
| Aspect Ratio | 20:9 | - | |
| Colour Depth | - | 16.7 million colours | |
| 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 | 2.5D Glass, Super FullView Display | Edge Screen, AOD(Always On Display) | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| Processor Type (CPU) | MediaTek | Samsung Exynos 2100 | |
|---|---|---|---|
| Processor Number | MT6763V/V | - | |
| Clock Speed | 2 GHz | 2.9 GHz | Samsung Galaxy S21 Ultra 5G has higher clock speed than Alcatel 3X 2019. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Alcatel 3X 2019 has 64-bit architecture. |
| Graphics System (GPU) | - | Mali-G78 MP14 |
| MEMORY | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| RAM | 4 GB | LPDDR5 SDRAM - 12 GB | Samsung Galaxy S21 Ultra 5G has more RAM than Alcatel 3X 2019. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Samsung Galaxy S21 Ultra 5G has more internal memory than Alcatel 3X 2019. |
| User Memory | - | 101.7 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
| CAMERA | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 12 Megapixel | Alcatel 3X 2019 has better camera resolution than Samsung Galaxy S21 Ultra 5G. |
| Sensor Size | 1/2.8" | - | |
| Lens Type | - | Ultra wide-angle lens | |
| Lens Aperture | F/1.8 | F/2.2 | Alcatel 3X 2019 has better lens aperture than Alcatel 3X 2019. |
| Field of View (FoV) | - | 120 degree(s) | |
| Pixel Size | 1.12 μm | 1.4 μm | Samsung Galaxy S21 Ultra 5G has larger camera pixel size than Alcatel 3X 2019. |
| 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 | HDR | Face retouch, Grid Line | |
| HDR Mode | - | Auto HDR mode | |
| Camera Modes | Panorama, night mode, low-light shots | 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 | Dual tone LED flash | High CRI LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 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) | Real-time bokeh, AI scene detection | 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) | 8 Megapixel | 108 Megapixel | Samsung Galaxy S21 Ultra 5G has better second camera resolution than Alcatel 3X 2019. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4" | 1/1.33" | Alcatel 3X 2019 has better second camera sensor size than Samsung Galaxy S21 Ultra 5G. |
| Lens Type (2nd Camera) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/1.8 | Samsung Galaxy S21 Ultra 5G has better second camera lens aperture than Alcatel 3X 2019. |
| Field of View (2nd Camera) | 118 degree(s) | 83 degree(s) | Alcatel 3X 2019 has larger second camera lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (2nd Camera) | 1.12 μm | 0.8 μm | Alcatel 3X 2019 has larger second camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Camera Features (2nd Camera) | - | Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 10 Megapixel | Samsung Galaxy S21 Ultra 5G has higher resolution third camera than Alcatel 3X 2019. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | - | |
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Field of View (3rd Camera) | - | 35 degree(s) | |
| Pixel Size (3rd Camera) | 1.12 μm | 1.22 μm | Samsung Galaxy S21 Ultra 5G has larger third camera pixel size than Alcatel 3X 2019. |
| Camera Functions (3rd Camera) | Depth camera | - | |
| 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) | 8 Megapixel | 40 Megapixels | Samsung Galaxy S21 Ultra 5G has better front camera resolution than Alcatel 3X 2019. |
| Sensor Size (Front) | 1/4" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Alcatel 3X 2019 has better front lens aperture than Alcatel 3X 2019. |
| Field of View (Front) | - | 80 degree(s) | |
| Pixel Size (Front) | 1.12 μm | 0.7 μm | Alcatel 3X 2019 has larger front camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Focus Adjustment | Focus free | Automatic | |
| Video Resolutions (Front) | 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Front) | Animated characters | Phase Detect Auto-Focus (PDAF) |
| BATTERY AND CHARGING | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5000 mAh | Samsung Galaxy S21 Ultra 5G has larger battery capacity than Alcatel 3X 2019. |
|---|---|---|---|
| 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) | 2.7 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 | 500 hours | - | |
| Talk Time | 1800 minutes | 2460 minutes | Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than Alcatel 3X 2019. |
| Run Time Details | Talk (2G): up to 1800 min Talk (3G & 4G): up to 1440 min Standby (2G & 3G): up to 500 hrs Standby (4G): 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 3X 2019 | 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 9.0 Pie | Android 11 | |
| Intelligent Assistant | Google Assistant | Bixby | |
| Payment Technology | - | Samsung Pay | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 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 38, Band 40 | 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 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | 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 4.2 | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Alcatel 3X 2019 | Samsung Galaxy S21 Ultra 5G |
|---|
| Supported Digital Audio Standards | - | 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 | - | 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 3X 2019 | Samsung Galaxy S21 Ultra 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 | Accelerometer, ambient light sensor, proximity sensor, G-sensor | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display), face recognition | |
| Security Technology | Face Key | - | |
| Additional Phone Features | HD Voice, dual microphones with noise cancellation, Google Lens | 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 3X 2019 | 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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