Side by side comparison and review of Vivo Nex and Samsung Galaxy A51. 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 | Vivo Nex | Samsung Galaxy A51 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A515F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 162 mm | 158.5 mm | Vivo Nex has greater height than Samsung Galaxy A51. |
| Width | 77 mm | 73.6 mm | Vivo Nex has greater width than Samsung Galaxy A51. |
| Depth | 7.98 mm | 7.9 mm | Samsung Galaxy A51 is narrower than Vivo Nex. |
| Weight | 199 g | 172 g | Samsung Galaxy A51 is lighter than Vivo Nex. |
| Body Colour | Black | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.296 W/kg (body), 0.106 W/kg (head) | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Vivo Nex | Samsung Galaxy A51 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | Super AMOLED | |
| Screen Size (Display Size) | 6.59" | 6.5" | Vivo Nex has larger screen size than Samsung Galaxy A51. |
| Screen Resolution (Display Resolution) | 2316 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy A51 has better screen resolution than Vivo Nex. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 408 ppi | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Features | FullView Display | Edge-to-Edge screen, Infinity O display |
| PROCESSOR | Vivo Nex | Samsung Galaxy A51 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 845 | Samsung Exynos 9611 | |
|---|---|---|---|
| Clock Speed | 2.8 GHz | 2.3 GHz | Vivo Nex has higher clock speed than Samsung Galaxy A51. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Samsung Galaxy A51 has 64-bit architecture. |
| MEMORY | Vivo Nex | Samsung Galaxy A51 |
|---|
| RAM | 8 GB | 4 GB | Vivo Nex has more RAM than Samsung Galaxy A51. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | - | 107 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Vivo Nex | Samsung Galaxy A51 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A51 has better camera resolution than Vivo Nex. |
| Lens Aperture | F/1.8 | F/2.0 | Vivo Nex has better lens aperture than Vivo Nex. |
| Optical Image Stabiliser (OIS) | 4-axis OIS (Optical Image Stabilisation) | - | Vivo Nex has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 8x | |
| Camera Modes | Panorama, Slow motion mode, Face Beauty, Bokeh Mode | Slow motion mode, Live Focus mode | |
| Light Source | Dual tone LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p), 1280 x 720 (720p), 3840 x 2160 (4K) | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Live Photo | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 12 Megapixel | Samsung Galaxy A51 has better second camera resolution than Vivo Nex. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Samsung Galaxy A51 has better second camera lens aperture than Vivo Nex. |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Telephoto lens | |
| Lens Aperture (4th Camera) | - | F/2.2 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Samsung Galaxy A51 has better front camera resolution than Vivo Nex. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Vivo Nex has better front lens aperture than Vivo Nex. |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | Panorama, Face Beauty, Bokeh Mode | - |
| BATTERY AND CHARGING | Vivo Nex | Samsung Galaxy A51 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Talk Time | - | 1920 minutes | |
| Run Time Details | - | Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 20 hrs Playback (audio): up to 87 hrs Talk (4G): up to 1920 min |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Vivo Nex | Samsung Galaxy A51 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Funtouch OS 4.0 (based on Android Oreo 8.1) | Android 10 | |
| User Interface | - | One UI | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Vivo Nex | Samsung Galaxy A51 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 38, 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 1900+, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | 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 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 LE | |
| Bluetooth Profiles | - | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | |
| NFC | - | Yes | Samsung Galaxy A51 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Vivo Nex | Samsung Galaxy A51 |
|---|
| Supported Digital Audio Standards | - | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MPEG-4, 3GP | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | Vivo Nex | Samsung Galaxy A51 |
|---|
| 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | Fast Charging | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines |
| OTHERS | Vivo Nex | Samsung Galaxy A51 |
|---|
| Included Accessories | Headphones, protective cover, USB cable, power adapter, SIM card removal tool | Power adapter |
|---|
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