Skip to content

Samsung Galaxy S8 SM-G950FD vs Samsung Galaxy A51 (SM-A515F/DS)

Side by side comparison, pros, cons, differences between Samsung Galaxy S8 vs Samsung Galaxy A51 phones with full specifications. What's the best?

,
Compare Samsung Galaxy A51 X18Samsung Galaxy S8 SM-G950FD
Samsung Galaxy S8 SM-G950FD
5.8"
AMOLED

1440x2960

12.2
MP

8mp

4GB
RAM

64bit Octa

3000
mAh

(Non removable)

vs
Compare Samsung Galaxy S8 X10Samsung Galaxy A51 (SM-A515F/DS)
Samsung Galaxy A51 (SM-A515F/DS)
6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? The PhoneMore's choice is Samsung Galaxy S8 SM-G950FD

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!


18 Advantages Samsung Galaxy S8 SM-G950FD
Galaxy S8 SM-G950FDvsGalaxy A51 (SM-A515F/DS)
Advantage
+Fastest write and read storage
UFS 2.1vseMMC 5.1
 11%11%
+Lighter
155 grams (5.43 ounces)vs172 grams (6.02 ounces)
Advantage
+More resistant material
Aluminum frame, glass front/backvsPlastic body, glass front
 64%64%
+Higher resolution screen
1440x2960 pixelsvs1080x2400 pixels
 40%40%
+Crisper display of text, images and video because it has more pixels per inch (ppi)
568 PPIvs405 PPI
Advantage
+You with less worry when taking pictures with auto focus
PDAF on back camera and autofocus front cameravsPDAF: phase detection autofocus
Advantage
+Image stabilization prevents blurry photos and helps in recording motion video
OIS: Optical stabilizationvsEIS: Digital stabilization
Advantage
+The BSI sensor allows the entry of more light generating photos with more detail and brightness
BSI sensorvsNot supported
 18%18%
+Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
f/1.7 (aperture)vsf/2.0 (aperture)
 78%78%
+More image quality for recording videos with the secondary camera
2K UHD (2560x1440 pixels)vsFull HD (1920x1080 pixels)
 71%71%
+Faster for surfing the internet and download files
(4G+ LTE-A) 1024 Mbpsvs(4G+ LTE-A) 600 Mbps
Advantage
+Sensors help you use the device
BarometervsNot supported
Advantage
+Sensors help you use the device
Iris scannervsNot supported
Advantage
+Sensors help you use the device
Heart ratevsNot supported
Advantage
+Sensors help you use the device
SpO2vsNot supported
Advantage
+With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device
DLNAvsNot supported
Advantage
+More speed data transfer as mp3 and photos via USB
USB 3.1 Type-C, USB OTG On-The-GovsUSB 2.0 Type-C, USB OTG On-The-Go
Advantage
+Protection against water allows you talk to your friends in the rain, for example
IP68 certifiedvsNot supported

10 Advantages Samsung Galaxy A51 (SM-A515F/DS)
Galaxy A51 (SM-A515F/DS)vsGalaxy S8 SM-G950FD
 110%100%
+More internal storage for applications and files
128GB (107GB user available)vs64GB (51GB user available)
 1%1%
+Thinner
7.9 millimeters (0.31 inches)vs8 millimeters (0.31 inches)
 12%12%
+Larger screen
6.5"vs5.8"
 5 times100%
+Higher resolution main camera
(quad camera) 48MP + 12MP + 5MP + 5MPvs(back) 12.2MP
 28%28%
+The larger sensor camera lets you take photos with better depth
1/2" inchesvs1/2.55" inches
 3 times100%
+Higher resolution secondary camera to take pictures and selfies
(front) 32MPvs(front) 8MP
Advantage
+Android 10 is newer and safer
Android 10vsAndroid 9.0 Pie
Advantage
+Sensors help you use the device
ANT+vsNot supported
 33%33%
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4000 mAhvs3000 mAh
Advantage
+With more SIM card slots you can have more operators and choose which one to use
2 slots Dual-SIM
(dedicated slot)
vs2 slots Dual-SIM
(hybrid slot/shares the same microSD slot)

31 Common items in both devices
2.3Ghz 64bit Octa-Core
4GB LPDDR4
Until 1TB microSD, microSDHC, microSDXC
Super AMOLED
16 million
LED flash
Only digital zoom
HDR photo/video on both cameras / HDR photo on both cameras
4K UHD (3840x2160 pixels)
4G+ LTE-A
Capacitive
Multitouch
3.5mm jack
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Fingerprint (rear-mounted) / Fingerprint (under display)
Face unlock
Li-Ion (Non removable) / LiPo - Li-Ion polymer (Non removable)
Speakerphone
Video calling
Vibrating alert
Active noise cancellation
A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
5.0 version A2DP/LE
NFC
HTML, XHTML, HTML5
Gorilla Glass 5 / Gorilla Glass 3
+ COMMON ITEMS

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

Model and physical featuresSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
ModelGalaxy S8 SM-G950FDGalaxy A51 (SM-A515F/DS)
Also known asGalaxy S8 Duos G950FD (Exynos), Samsung DreamSamsung Galaxy A51 SM-A515F/DS
Country or region availableBrazilSingaporeVarious (International)Latin America
BrandSamsungSamsung
Release dateApril, 2017December, 2019
Depth8 millimeters (0.31 inches)7.9 millimeters (0.31 inches)
Size (width x height)68.1 x 148.9 millimeters (2.68 x 5.86 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight155 grams (5.43 ounces)172 grams (6.02 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meter and 30minNot supported
Operating system (OS)Samsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
Operating systemAndroid 7.0 NougatAndroid 10
Firmware updateAndroid 9.0 Piefeature not registered
HardwareSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
Architecture - Chipset64bit - Samsung Exynos 9 Octa 8895 (10nm)64bit - Samsung Exynos 9 Octa 9611 (10nm)
CPU processorOcta-Core, 2 processors:
2.3Ghz Quad-Core Exynos M2 Mongoose
1.7Ghz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G71 MP20 550MhzARM Mali-G72 MP3
RAM memory4GB LPDDR44GB LPDDR4X
Internal storage64GB (51GB user available)
UFS 2.1
128GB (107GB user available)
eMMC 5.1
External storageUntil 1TB microSD, microSDHC, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDHC, microSDXC
(dedicated slot)
DisplaySamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
Display typeSuper AMOLEDSuper AMOLED
Screen size5.8" inches6.5" inches
Screen-to-body ratio~84.2% (screen-to-body ratio)~87.4% (screen-to-body ratio)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Display resolution1440x2960 pixels1080x2400 pixels
Pixel density (dot pitch)568 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Mobile networks and dataSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
Dual-SIMDual SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots Dual-SIM
nano-SIM (4FF)
2 slots Dual-SIM
nano-SIM (4FF)
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/5G networkLTE Cat16 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,20,28,29,30)
TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
LTE Cat12/13 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
VoLTE
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
Maximum download/upload1024/150 Mbps600/150 Mbps
Messaging and callingSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
Primary / back cameraSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
Main camera12.2 megapixels(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)
Main camera resolution4032x3024 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160 pixels) 30 fps4K UHD (3840x2160 pixels) 30 fps
FlashLED flashLED flash
Focal aperturef/1.7 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.55" inches1/2" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF on back camera and autofocus front cameraPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Front / secondary cameraSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
Front camera8 megapixels32 megapixels
Front camera resolution3264x2448 pixels6528x4896 pixels
Video recording (secondary)2K UHD (2560x1440 pixels)Full HD (1920x1080 pixels)
Front flashNot supportedNot supported
Focal aperturef/1.7 (aperture)f/2.2 (aperture)
Focal length25mm lens26mm lens
Sensor size1/3.6" inches1/2.8" inches
Pixel size1.22µm pixel0.8µm pixel
MultimediaSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, DivX, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
Connectivity and interfacesSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 version A2DP/LE5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
DLNASupportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Gyroscope
Barometer
Iris scanner
Heart rate
SpO2
Hall effect
Face unlock
Fingerprint (rear-mounted)
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Hall effect
Face unlock
Fingerprint (under display)
ANT+
Other features- Colors: Black, Silver, Blue, Gold, Orchid Gray
- Samsung DeX (desktop experience)
- Curved edge screen
- Corning Gorilla Glass 5 back panel
- Samsung Gear VR compatible
- Quick Charge 2.0
- Samsung Pay
- 32bit/192kHz audio
- WiFi direct, hotspot
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
Power supply and autonomySamsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
BatteryLi-Ion (Non removable)
Fast battery charging
Qi wireless charging (Qi/PMA)
LiPo - Li-Ion polymer (Non removable)
Fast battery charging
Battery capacity3000 mAh4000 mAh
Battery model / charger (watts)15W15W
Talk time1740 minutes | 29 hours | 1.2 daysfeature not registered
Standby19560 minutes | 326 hours | 13.6 daysfeature not registered
Radiation rate (SAR)Samsung Galaxy S8 SM-G950FDSamsung Galaxy A51 (SM-A515F/DS)
SAR USA, Mexico, Colombia0.44 W/Kg (head) | 0.75 W/Kg (body)feature not registered
SAR European Union, UK0.315 W/Kg (head) | 1.27 W/Kg (body)0.369 W/Kg (head) | 1.59 W/Kg (body)