Samsung Galaxy S8+ vs. Samsung Galaxy A51

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy S8+ and Samsung Galaxy A51. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy S8+ vs. Samsung Galaxy A51 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S8+ Samsung Galaxy A51
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G955FD SM-A515F/DSN
Form Factor Touch Touch
Height 159.5 mm 158.5 mm Samsung Galaxy S8+ has greater height than Samsung Galaxy A51.
Width 73.4 mm 73.6 mm Samsung Galaxy A51 has greater width than Samsung Galaxy S8+.
Depth 8.1 mm 7.9 mm Samsung Galaxy A51 is narrower than Samsung Galaxy S8+.
Weight 173 g 172 g Samsung Galaxy A51 is lighter than Samsung Galaxy S8+.
Body Colour Gold maple | Midnight black Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy S8+ is waterproof.
IP rating IP68 -
SAR Value 1 W/kg (body), 0.26 W/kg (head) 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb)
Integrated Components Heart rate sensor -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy S8+ Samsung Galaxy A51
Display Type OLED display OLED display
Display Technology Quad HD+ Super AMOLED Super AMOLED
Screen Size (Display Size) 6.2" 6.5" Samsung Galaxy A51 has larger screen size than Samsung Galaxy S8+.
Screen Resolution (Display Resolution) 2960 x 1440 pixels 2400 x 1080 pixels Samsung Galaxy S8+ has better screen resolution than Samsung Galaxy A51.
Display Format - Full HD+
Pixel Density 529 ppi 408 ppi Samsung Galaxy S8+ has better pixel density than Samsung Galaxy A51.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Always-on display Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR Samsung Galaxy S8+ Samsung Galaxy A51
Processor Type (CPU) Samsung Exynos Samsung Exynos 9611
Processor Number 8895 -
Clock Speed 2.3 GHz 2.3 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Mali-G71 MP20 -
MEMORY Samsung Galaxy S8+ Samsung Galaxy A51
RAM LPDDR4 SDRAM - 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy A51 has more internal memory than Samsung Galaxy S8+.
User Memory 52.3 GB 107 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy S8+ Samsung Galaxy A51
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A51 has better camera resolution than Samsung Galaxy S8+.
Sensor Size 1/2.55" -
Lens Aperture F/1.7 F/2.0 Samsung Galaxy S8+ has better lens aperture than Samsung Galaxy S8+.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S8+ has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Digital Zoom 8x 8x Both phones have the same digital zoom.
Self-Timer Delay Yes -
Special Effects HDR, Stamp, Bokeh effect, Grid Line, Stickers -
Camera Modes Panorama, Slow motion mode, Pro mode, Timer mode, Virtual Shot, HYPERLAPSE, Food mode Slow motion mode, Live Focus mode
Face Recognition (Face ID) Face detection - Samsung Galaxy S8+ has face detection.
White Balance Custom, automatic -
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Selective Focus, Quick Launch, Playback zoom, Dual Pixel technology, Motion photo, Exposure, Shutter speed, geotagging, RAW image capture, VDIS (Video Digital Image Stabilisation) AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 32 Megapixel Samsung Galaxy A51 has better front camera resolution than Samsung Galaxy S8+.
Sensor Size (Front) 1/3.6" -
Sensor Type (Front) CMOS -
Lens Aperture (Front) F/1.7 F/2.2 Samsung Galaxy S8+ has better front lens aperture than Samsung Galaxy S8+.
Focus Adjustment Automatic Focus free
Camera Modes (Front) Wide selfie mode -
BATTERY AND CHARGING Samsung Galaxy S8+ Samsung Galaxy A51
Battery Capacity (Battery Size) 3500 mAh 4000 mAh Samsung Galaxy A51 has larger battery capacity than Samsung Galaxy S8+.
Wireless Charging Yes - Samsung Galaxy S8+ can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Talk Time 1440 minutes 1920 minutes Samsung Galaxy A51 has longer battery life when making calls than Samsung Galaxy S8+.
Run Time Details Talk (WCDMA): up to 1440 min
Playback (MP3 (AOD on)): up to 50 hrs
Playback (MP3 (AOD off)): up to 78 hrs
Playback (video): up to 18 hrs
Active online usage (Wi-Fi): up to 15 hrs
Active online usage (3G): up to 13 hrs
Active online usage (LTE): up to 15 hrs
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 S8+ Samsung Galaxy A51
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 7.0 Nougat Android 10
User Interface - One UI
Intelligent Assistant Bixby Bixby
Payment Technology Samsung Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S8+ Samsung Galaxy A51
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 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
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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, 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 700c, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0 LE
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP 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 SMS, MMS
MEDIA Samsung Galaxy S8+ Samsung Galaxy A51
Supported Digital Audio Standards WAV, WMA, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, apt-X, DSF, DSD, MXMF, IMY, RTTTL, RTX, OTA, DFF, MID WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Samsung Galaxy S8+ Samsung Galaxy A51
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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader, eye scan Fingerprint reader (under display)
Additional Phone Features Wi-Fi Miracast, MU-MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines
OTHERS Samsung Galaxy S8+ Samsung Galaxy A51
Included Accessories Power adapter, SIM card removal tool, AKG headphones, micro-USB connector (C to B), ear plugs, USB-C to A connector, USB-C cable Power adapter
Compliant Standards IP68 -
Max Depth of Water Resistance 1.5 m -
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