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Samsung Galaxy S8 (SM-G950A) vs Samsung Galaxy A51 (SM-A515F/DSN)

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

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Compare Samsung Galaxy A51 X Samsung Galaxy S8 (SM-G950A) 19Points
5.8"
AMOLED

1440x2960

12.2
MP

8mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

vs
11Points Samsung Galaxy A51 (SM-A515F/DSN) Compare Samsung Galaxy S8 X
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S8 (SM-G950A)

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 S8 (SM-G950A)} 19 Advantages Samsung Galaxy S8 (SM-G950A) vs Galaxy A51 (SM-A515F/DSN)} 11 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
+2.35GHz 64bit Octa-core (10nm)19%
More powerful processor, you can open your applications faster
vs2.3GHz 64bit Octa-core (10nm)
+UFS 2.0Advantage
Fastest write and read storage.
vseMMC 5.1
+155 grams (5.43 ounces)11%
Lighter
vs172 grams (6.02 ounces)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+HDR10Advantage
The HDR10 display provides vibrant colors and more details
vsNot supported
+1440x2960 pixels64%
Higher resolution screen
vs1080x2400 pixels
+568 PPI40%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs405 PPI
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+f/1.7 (aperture)18%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(4G LTE-A) 1024 Mbps71%
Faster for surfing the internet and download files
vs(4G LTE-A) 600 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+Iris scannerAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+SpO2Advantage
Sensors help you use the device
vsNot supported
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
4GB LPDDR4vs+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
64GB (51GB available)vs+128GB (107GB available)110%
More internal storage for applications and files
8 millimeters (0.31 inches)vs+7.9 millimeters (0.31 inches)1%
Thinner
5.8"vs+6.5"12%
Larger screen
(back) 12.2MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP5 times
Higher resolution main camera
1/2.55" inchesvs+1/2" inches28%
The larger sensor camera lets you take photos with better depth.
(front) 8MPvs+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
(front) 2K UHD (2560x1440)vs+(front) 4K UHD (3840x2160)125%
More image quality for recording videos with the secondary camera
Android 9.0 Pievs+Android 13Advantage
Android 13 is newer and safer
3000 mAhvs+4000 mAh33%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.

29 Common items in both devices
Until 1TB microSD, microSDXC
Super AMOLED
60Hz
16 million
LED flash
Only digital zoom
PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus
+22 specs and more in the table below

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

Highlight differences Clear highlight

📱 Model features

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
ModelGalaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
Other model namesAT&T Galaxy S8 G950A (Snapdragon), Samsung DreamSamsung Galaxy A51 SM-A515F/DSN
Country or region availableUSA
USA
(Europe)(Global, International)United Arab EmiratesPakistanTaiwan
(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
BrandSamsungSamsung
Release date4/21/2017, Announced: 3/29/201712/16/2019, Announced: 12/12/2019
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)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
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)
Display resolution1440x2960 pixels (18.5:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)568 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 3
Refresh rate60Hz60Hz
Display featuresHDR10Always-On Display

🤖 Operating System

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
System versionAndroid 7.0 NougatAndroid 10
Firmware updateAndroid 9.0 PieAndroid 13
User Interfacefeature not registeredOne UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
Chipset64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)64bit: Samsung Exynos 9611 (10nm)
CPUOcta-core, 2 processors:
4x 2.35GHz Kryo 280 (Quad-core)
4x 1.9GHz Kryo 280 (Quad-core)
Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 540 (670-710MHz)ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)AnTuTu: 199022 (v7)
Geekbench: 6656 (v4.4)
GFXBench: 13fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
RAM memory4GB LPDDR46GB LPDDR4X
Internal storage64GB (51GB available)
UFS 2.0
128GB (107GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload1024/150 Mbps600/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse 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 networkTD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat16 (1,2,3,4,5,7,8,12,18,19,20,28,29,30)
TD-LTE (38,39,40,41)
LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
Back camera (main camera)12.2 megapixels(quad camera)
48 megapixels
12MP ultrawide f/2.213mm1.12µm
5MP telephoto f/2.440mm
5MP depth f/2.21/5.0"1.12µm
Main camera resolution4032x3024 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 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
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
Front camera (secondary)8 megapixels32 megapixels
Front camera resolution3264x2448 pixels6528x4896 pixels
Video recording (secondary)2K UHD (2560x1440)4K UHD (3840x2160)
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

🔉 Sound and multimedia

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM (RDS)
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

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
SensorsAccelerometer
Ambient light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Heart rate
Iris scanner
Proximity sensor
SpO2
Accelerometer
Ambient light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3000 mAh4000 mAh
Charger, watts15W (9V/1.67A) Wired fast charging
Quick Charge 2
15W Wired fast charging
Inductive / wireless chargingQi wireless charging (Qi/PMA)Not supported
Talk time autonomy29 hours (1.2 days)feature not registered
Standby326 hours (13.6 days)feature not registered

➕ Other features

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, Silver, Blue, Gold, Orchid Gray
• Samsung DeX (desktop experience)
• Curved edge screen
• Corning Gorilla Glass 5 back panel
• Samsung Gear VR compatible
• Samsung Pay
• 32bit/192kHz audio
• Colors: Prism, Crush Black, White, Blue, Pink

☢️ Radiation rate

Galaxy S8 (SM-G950A)Galaxy A51 (SM-A515F/DSN)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.369W/kg (head), 1.59W/kg (body)
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