Detailed comparison and review of Alcatel One Touch FIERCE 4 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 One Touch FIERCE 4 | Vivo X51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | V2006 | |
| Form Factor | Touch | Touch | |
| Height | 150.9 mm | 158.46 mm | Vivo X51 5G has greater height than Alcatel One Touch FIERCE 4. |
| Width | 77 mm | 72.8 mm | Alcatel One Touch FIERCE 4 has greater width than Vivo X51 5G. |
| Depth | 8.1 mm | 8.04 mm | Vivo X51 5G is narrower than Alcatel One Touch FIERCE 4. |
| Weight | 164 g | 181.5 g | Alcatel One Touch FIERCE 4 is lighter than Alcatel One Touch FIERCE 4. |
| Body Colour | - | Alpha grey | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | 1.15 W/kg | 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 | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Alcatel One Touch FIERCE 4 | 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 One Touch FIERCE 4. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2376 x 1080 pixels | Vivo X51 5G has better screen resolution than Alcatel One Touch FIERCE 4. |
| Display Format | HD | - | |
| Pixel Density | - | 398 ppi | |
| Aspect Ratio | - | 19.8:9 | |
| Max Brightness | - | 500 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Display Protection (Screen Protector) | Dragontrail (scratch resistant glass) | - |
| PROCESSOR | Alcatel One Touch FIERCE 4 | Vivo X51 5G |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 765G | |
|---|---|---|---|
| Processor Number | MSM8909 | - | |
| Clock Speed | 1.1 GHz | 2.4 GHz | Vivo X51 5G has higher clock speed than Alcatel One Touch FIERCE 4. |
| Processor Core Qty | Quad-core | 8-core | Vivo X51 5G has higher processor core quantity than Alcatel One Touch FIERCE 4. |
| MEMORY | Alcatel One Touch FIERCE 4 | Vivo X51 5G |
|---|
| RAM | 2 GB | 8 GB | Vivo X51 5G has more RAM than Alcatel One Touch FIERCE 4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | Vivo X51 5G has more internal memory than Alcatel One Touch FIERCE 4. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | - |
| CAMERA | Alcatel One Touch FIERCE 4 | 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 One Touch FIERCE 4. |
| Lens Aperture | - | F/1.6 | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panoramic pictures | 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) 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 One Touch FIERCE 4. |
| Lens Aperture (Front) | - | F/2.45 | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Live Photos, Portrait | |
| Camera Features (Front) | - | 2 x digital zoom |
| BATTERY AND CHARGING | Alcatel One Touch FIERCE 4 | Vivo X51 5G |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 4315 mAh | Vivo X51 5G has larger battery capacity than Alcatel One Touch FIERCE 4. |
|---|---|---|---|
| Standby Time | 526 hours | - | |
| Talk Time | 720 minutes | - | |
| Run Time Details | Talk: up to 720 hrs Standby: up to 526 hrs |
- |
| CELLULAR | Alcatel One Touch FIERCE 4 | 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 One Touch FIERCE 4 | Vivo X51 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, 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 2, Band 4, Band 12 | 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 1900 PCS, FDD 1700 - 2110 AWS, FDD 700a | 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 4.1 | Bluetooth 5.1 | |
| NFC | - | Yes | Vivo X51 5G has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Alcatel One Touch FIERCE 4 | Vivo X51 5G |
|---|
| Supported Digital Audio Standards | AAC, MPEG 2 Audio, AMR, MP3, FLAC, AAC +, MIDI | 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 One Touch FIERCE 4 | 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | Radio Data Service (RDS) | - |
| OTHERS | Alcatel One Touch FIERCE 4 | 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 | HAC (Hearing Aid Compatible) | IP53 |
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