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Samsung Galaxy A51 (SM-A515F/DSN) vs Samsung Galaxy A5 2017 (SM-A520F)

Side by side comparison between Samsung Galaxy A51 vs Samsung Galaxy A5 (2017) phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy A5 (2017) XSamsung Galaxy A51 (SM-A515F/DSN)16Points
Samsung Galaxy A51 (SM-A515F/DSN)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
07PointsSamsung Galaxy A5 2017 (SM-A520F)Compare Samsung Galaxy A51 X
Samsung Galaxy A5 2017 (SM-A520F)
5.2"
AMOLED

1080x1920

16
MP

16mp

3GB
RAM

64bit Octa

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSN)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Galaxy A51 (SM-A515F/DSN)16 Advantages Samsung Galaxy A51 (SM-A515F/DSN)vsGalaxy A5 2017 (SM-A520F)7 Advantages Samsung Galaxy A5 2017 (SM-A520F)
+2.3Ghz 64bit Octa-Core16%
More powerful processor, you can open your applications faster
vs1.9Ghz 64bit Octa-Core
+6GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR4
+128GB (107GB available)4 times
More internal storage for applications and files
vs32GB (22GB available)
+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+1080x2400 pixels25%
Higher resolution screen
vs1080x1920 pixels
+6.5"25%
Larger screen
vs5.2"
+(quad camera) 48MP + 12MP + 5MP + 5MP3 times
Higher resolution main camera
vs(back) 16MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+(front) 32MP101%
Higher resolution secondary camera to take pictures and selfies
vs(front) 16MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 8.0 Oreo
+(4G+ LTE-A) 600 Mbps100%
Faster for surfing the internet and download files
vs(4G+ LTE-A) 300 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+4000 mAh33%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+2 slots (Dual-SIM)Advantage
It's more advantageous to have more than one phone operator in the same device
vs1 slot (Single-SIM)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
172 grams (6.02 ounces)vs+157 grams (5.5 ounces)10%
Lighter
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
405 PPIvs+424 PPI5%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
f/2.0 (aperture)vs+f/1.9 (aperture)5%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

31 Common items in both devices
eMMC 5.1
7.9 millimeters (0.31 inches)
Super AMOLED
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus / Autofocus
+24 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
ModelGalaxy A51 (SM-A515F/DSN)Galaxy A5 2017 (SM-A520F)
Other model namesSamsung Galaxy A51 SM-A515F/DSNGalaxy A5 (2017) SM-A520F (Single-Sim)
Country or region available(Global, International)United Arab Emirates(Europe)PakistanTaiwan
(Global, International), United Arab Emirates, (Europe), Pakistan, Taiwan
(Europe)
(Europe)
BrandSamsungSamsung
Release dateDecember, 2019January, 2017
Depth7.9 millimeters (0.31 inches)7.9 millimeters (0.31 inches)
Size (width x height)73.6 x 158.5 millimeters (2.9 x 6.24 in)71.4 x 146.1 millimeters (2.81 x 5.75 in)
Weight172 grams (6.02 ounces)157 grams (5.5 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: dust proof and waterproof over 1.5 meter and 30min
System (OS)Samsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
Operating systemAndroid 10Android 6.0.1 Marshmallow
Firmware updatefeature not registeredAndroid 8.0 Oreo
HardwareSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
Chipset64bit - Samsung Exynos 9 Octa 9611 (10nm)64bit - Samsung Exynos 7 Octa 7880 (14nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
1.9Ghz Octa-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G72 MP3ARM Mali-T830 MP3
RAM memory6GB LPDDR4X3GB LPDDR4
Internal storage128GB (107GB available)
eMMC 5.1
32GB (22GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)
DisplaySamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
Display typeSuper AMOLEDSuper AMOLED
Screen size6.5" inches5.2" inches
Screen-to-body ratio~87.4% (screen-to-body ratio)~71.5% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)405 PPI424 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Display features60Hzfeature not registered
Mobile networksSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload600/150 Mbps300/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat12/13 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (Bands 38, 40, 41)
VoLTE
LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28)
TD-LTE (Bands 38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported
CallingSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
CameraSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
Back camera (main camera)(quad camera)
• 48 megapixels
• 12MP ultrawide (f/2.2 13mm 1.12µm)
• 5MP telephoto (f/2.4 40mm)
• 5MP depth sensor (f/2.2 1/5.0" 1.12µm)
16 megapixels
Main camera resolution8000x6000 pixels4608x3456 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.9 (aperture)
Focal length26mm lens27mm lens
Sensor size1/2" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
2ª cameraSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
Front camera (secondary)32 megapixels16 megapixels
Front camera resolution6528x4896 pixels4608x3456 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/1.9 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/3.1" inches
Pixel size0.8µm pixel1µm pixel
MultimediaSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Hall effect
Fingerprint sensor (front-mounted)
ANT+
Other features- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
- Colors: Black, Gold, Blue, Pink
- Gorilla Glass on the back
- Samsung Grace UX
- WiFi direct, hotspot
Power supplySamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Non removable)
18W
Battery capacity4000 mAh3000 mAh
Charger, watts• 15W Fast battery charging• Fast battery charging
Talk time autonomyfeature not registered960 minutes | 16 hours | 0.7 day
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy A51 (SM-A515F/DSN)Samsung Galaxy A5 2017 (SM-A520F)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.369W/kg (head) | 1.59W/kg (body)0.522W/kg (head) | 1.39W/kg (body)
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