Samsung Galaxy A51 vs. Vivo X51 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy A51 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

Samsung Galaxy A51 vs. Vivo X51 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A51 Vivo X51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A515F/DSN V2006
Form Factor Touch Touch
Height 158.5 mm 158.46 mm Samsung Galaxy A51 has greater height than Vivo X51 5G.
Width 73.6 mm 72.8 mm Samsung Galaxy A51 has greater width than Vivo X51 5G.
Depth 7.9 mm 8.04 mm Samsung Galaxy A51 is narrower than Samsung Galaxy A51.
Weight 172 g 181.5 g Samsung Galaxy A51 is lighter than Samsung Galaxy A51.
Body Colour Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white Alpha grey
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb)
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
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A51 Vivo X51 5G
Display Type OLED display OLED display
Display Technology Super AMOLED AMOLED
Screen Size (Display Size) 6.5" 6.56" Vivo X51 5G has larger screen size than Samsung Galaxy A51.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2376 x 1080 pixels Samsung Galaxy A51 has better screen resolution than Vivo X51 5G.
Display Format Full HD+ -
Pixel Density 408 ppi 398 ppi Samsung Galaxy A51 has better pixel density than Vivo X51 5G.
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 Edge-to-Edge screen, Infinity O display -
PROCESSOR Samsung Galaxy A51 Vivo X51 5G
Processor Type (CPU) Samsung Exynos 9611 Qualcomm Snapdragon 765G
Clock Speed 2.3 GHz 2.4 GHz Vivo X51 5G 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 Samsung Galaxy A51 Vivo X51 5G
RAM 4 GB 8 GB Vivo X51 5G has more RAM than Samsung Galaxy A51.
Internal Memory Size (Storage Capacity) 128 GB 256 GB Vivo X51 5G has more internal memory than Samsung Galaxy A51.
User Memory 107 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy A51 Vivo X51 5G
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Lens Aperture F/2.0 F/1.6 Vivo X51 5G has better lens aperture than Samsung Galaxy A51.
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Digital Zoom 8x -
Special Effects - HDR
Camera Modes Slow motion mode, Live Focus mode Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode
Light Source LED flash LED flash
Video Resolutions Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps -
Camera Features (Functions) AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 13 Megapixel Vivo X51 5G has better second camera resolution than Samsung Galaxy A51.
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.46 Samsung Galaxy A51 has better second camera lens aperture than Samsung Galaxy A51.
Field of View (2nd Camera) 123 degree(s) -
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel 8 Megapixel Vivo X51 5G has higher resolution third camera than Samsung Galaxy A51.
Lens Type (3rd Camera) - Wide-angle lens
Lens Aperture (3rd Camera) F/2.4 F/2.2 Vivo X51 5G has better third camera lens aperture than Samsung Galaxy A51.
Camera Functions (3rd Camera) Macro camera -
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel 8 Megapixel Vivo X51 5G has higher resolution fourth camera than Samsung Galaxy A51.
Lens Type (4th Camera) Telephoto lens Telephoto lens
Lens Aperture (4th Camera) F/2.2 F/3.4 Samsung Galaxy A51 has better fourth camera lens aperture than Samsung Galaxy A51.
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 32 Megapixel 32 Megapixel Both phones have the same front camera resolution.
Lens Aperture (Front) F/2.2 F/2.45 Samsung Galaxy A51 has better front lens aperture than Samsung Galaxy A51.
Focus Adjustment Focus free -
Special Effects (Front) - HDR
Camera Modes (Front) - Live Photos, Portrait
Camera Features (Front) - 2 x digital zoom
BATTERY AND CHARGING Samsung Galaxy A51 Vivo X51 5G
Battery Capacity (Battery Size) 4000 mAh 4315 mAh Vivo X51 5G has larger battery capacity than Samsung Galaxy A51.
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 -
CELLULAR Samsung Galaxy A51 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 10 Funtouch OS 10 (based on Android 10)
User Interface One UI -
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A51 Vivo X51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 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 13, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 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 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 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 802.11a/b/g/n/ac, ANT+ Wi-Fi
Bluetooth Bluetooth 5.0 LE Bluetooth 5.1
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A51 Vivo X51 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, AVI, 3GP, TS, MP4
Audio Amplifier - AK4377A
FEATURES Samsung Galaxy A51 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 Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass
Security Devices Fingerprint reader (under display) Fingerprint reader
Additional Phone Features Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines -
OTHERS Samsung Galaxy A51 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: