Samsung Galaxy A51 (SM-A515F/DSM 128GB) vs Samsung Galaxy S8 Plus (SM-G955N 128GB)

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

1/4/2020 4:27 PM, updated: 11/21/2022 8:39 AM

Compare Samsung Galaxy S8 Plus X Samsung Galaxy A51 (SM-A515F/DSM 128GB) 11Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

18Points Samsung Galaxy S8 Plus (SM-G955N 128GB) Compare Samsung Galaxy A51 X

Specifications Compare Models Pictures

6.2"
AMOLED

1440x2960

12.2
MP

8mp

6GB
RAM

Octa-core

3500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S8 Plus (SM-G955N 128GB)

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!

11 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)	vs	18 Advantages Samsung Galaxy S8 Plus (SM-G955N 128GB)
+172 grams (6.02 ounces)1% Lighter	vs	173 grams (6.06 ounces)
+7.9 millimeters (0.31 inches)3% Thinner	vs	8.1 millimeters (0.32 inches)
+6.5"5% Larger screen	vs	6.2"
+(quad camera) 48MP + 12MP + 5MP + 5MP5 times Higher resolution main camera	vs	(back) 12.2MP
+1/2" inches28% The larger sensor camera lets you take photos with better depth.	vs	1/2.55" inches
+(front) 32MP3 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+(front) 4K UHD (3840x2160)125% More image quality for recording videos with the secondary camera	vs	(front) 2K UHD (2560x1440)
+Android 13Advantage Android 13 is newer and safer	vs	Android 9.0 Pie
+4000 mAh14% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3500 mAh
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
Not supported	vs	+HDR10Advantage The HDR10 display provides vibrant colors and more details
1080x2400 pixels	vs	+1440x2960 pixels64% Higher resolution screen
405 PPI	vs	+531 PPI31% Crisper display of text, images and videos because it has more pixels per inch (ppi)
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
f/2.0 (aperture)	vs	+f/1.7 (aperture)18% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(4G LTE-A) 600 Mbps	vs	+(4G LTE-A) 1024 Mbps71% Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Heart rateAdvantage Sensors help you use the device
Not supported	vs	+Iris scannerAdvantage Sensors help you use the device
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
Not supported	vs	+SpO2Advantage Sensors help you use the device
Not supported	vs	+Qi wireless charging (Qi/PMA)Advantage Wireless charging is another way to charge the battery.
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

30 Common items in both devices

2.3GHz 64bit Octa-core (10nm)

6GB LPDDR4X / 6GB LPDDR4

128GB (107GB available) / 128GB (111GB available)

Until 1TB microSD, microSDXC

Super AMOLED

60Hz

16 million

+23 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

📱 Model features
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Change model		Choose the model
Model	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Other model names	Samsung Galaxy A51 SM-A515F/DSM	Galaxy S8+ SM-G955S (SKT), SM-G955K (KT), SM-G955L (LG U+)
Country or region available	Kazakhstan, Russia	South Korea
Brand	Samsung	Samsung
Release date	12/16/2019, Announced: 12/12/2019	4/21/2017, Announced: 3/29/2017
Depth	7.9 millimeters (0.31 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	73.6 x 158.5 millimeters (2.9 x 6.24 in)	73.4 x 160 millimeters (2.89 x 6.3 in)
Weight	172 grams (6.02 ounces)	173 grams (6.06 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.5" inches	6.2" inches
Screen-to-body ratio	~87.4% (screen-to-body ratio)	~83.1% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1440x2960 pixels (18.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	405 PPI	531 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Always-On Display	HDR10
🤖 Operating System
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
System version	Android 10	Android 7.0 Nougat
Firmware update	Android 13	Android 9.0 Pie
User Interface	One UI 2.5 / 3.1 / 4.1 / 5.0	feature not registered
⚙️ Processor
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Chipset	64bit: Samsung Exynos 9611 (10nm)	64bit: Samsung Exynos 8895 (10nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz M2 Mongoose (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-G72 MP3 (850MHz)	ARM Mali-G71 MP20 (546MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4
Internal storage	128GB (107GB available) eMMC 5.1	128GB (111GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/150 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Tri-Band 900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	TD-SCDMA 1900/2000 UMTS 850/1900/2100
Primary 4G network	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat16 (1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,28) TD-LTE (38,39,40,41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Back camera (main camera)	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm	12.2 megapixels
Main camera resolution	8000x6000 pixels	4032x3024 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.7 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2" inches	1/2.55" inches
Pixel size	0.8µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF on back camera and autofocus front camera
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Front camera (secondary)	32 megapixels	8 megapixels
Front camera resolution	6528x4896 pixels	3264x2448 pixels
Video recording (secondary)	4K UHD (3840x2160)	2K UHD (2560x1440)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/1.7 (aperture)
Focal length	26mm lens	25mm lens
Sensor size	1/2.8" inches	1/3.6" inches
Pixel size	0.8µm pixel	1.22µm pixel
🔉 Sound and multimedia
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, DivX, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.1 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 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
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4000 mAh	3500 mAh
Charger, watts	15W Wired fast charging	15W (9V/1.67A) Wired fast charging Quick Charge 2
Inductive / wireless charging	Not supported	Qi wireless charging (Qi/PMA)
Talk time autonomy	feature not registered	34 hours (1.4 days)
Standby	feature not registered	343 hours (14.3 days)
➕ Other features
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Prism, Crush Black, White, Blue, Pink	• 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
☢️ Radiation rate
	Galaxy A51 (SM-A515F/DSM 128GB)	Galaxy S8 Plus (SM-G955N 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.266W/kg (head), 0.931W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.369W/kg (head), 1.59W/kg (body)	feature not registered