Samsung Galaxy S10 5G vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy S10 5G and Samsung Galaxy A51 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Samsung Galaxy S10 5G vs. Samsung Galaxy A51 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G977U SM-A516B/DS
Form Factor Touch Touch
Height 162.6 mm 158.9 mm Samsung Galaxy S10 5G has greater height than Samsung Galaxy A51 5G.
Width 77.1 mm 73.6 mm Samsung Galaxy S10 5G has greater width than Samsung Galaxy A51 5G.
Depth 7.9 mm 8.7 mm Samsung Galaxy S10 5G is narrower than Samsung Galaxy S10 5G.
Weight 198 g 187 g Samsung Galaxy A51 5G is lighter than Samsung Galaxy S10 5G.
Body Colour Crown silver | Majestic black Prism cube black | Prism cube white
Body Material Aluminium, Gorilla glass 6 -
Protection Dustproof, splashproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy S10 5G is waterproof.
IP rating IP68 -
SAR Value 1.55 W/kg (body), 0.264 W/kg (head) 1.555 W/kg (body), 0.496 W/kg (head)
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 Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Display Type OLED display OLED display
Display Technology Infinity-O Dynamic AMOLED Infinity-O Super AMOLED
Screen Size (Display Size) 6.7" 6.5" Samsung Galaxy S10 5G has larger screen size than Samsung Galaxy A51 5G.
Screen Resolution (Display Resolution) 3040 x 1440 pixels 2400 x 1080 pixels Samsung Galaxy S10 5G has better screen resolution than Samsung Galaxy A51 5G.
Display Format QHD+ Full HD+
Pixel Density 505 ppi -
Aspect Ratio 19:9 -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 2000000:1 -
HDR Yes - Samsung Galaxy S10 5G has HDR.
HDR Technology HDR10+ -
Display Features Edge Screen, AOD(Always On Display) Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass 6 (scratch resistant glass) -
PROCESSOR Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Processor Type (CPU) Qualcomm Snapdragon 855 -
Clock Speed 2.8 GHz 2.2 GHz Samsung Galaxy S10 5G has higher clock speed than Samsung Galaxy A51 5G.
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.
MEMORY Samsung Galaxy S10 5G Samsung Galaxy A51 5G
RAM LPDDR4X SDRAM - 8 GB 6 GB Samsung Galaxy S10 5G has more RAM than Samsung Galaxy A51 5G.
Internal Memory Size (Storage Capacity) 256 GB 128 GB Samsung Galaxy S10 5G has more internal memory than Samsung Galaxy A51 5G.
User Memory 226.1 GB 105.3 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 1 TB
CAMERA Samsung Galaxy S10 5G Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A51 5G has better camera resolution than Samsung Galaxy S10 5G.
Lens Type Telephoto lens -
Lens Aperture F/2.4 F/2.0 Samsung Galaxy A51 5G has better lens aperture than Samsung Galaxy S10 5G.
Field of View (FoV) 45 degree(s) -
Pixel Size 1 μm -
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - Samsung Galaxy S10 5G has optical stabilisation.
Focus Adjustment Automatic, manual Automatic
Optical Zoom 2x -
Digital Zoom 10x 8x Samsung Galaxy S10 5G has better digital zoom than Samsung Galaxy A51 5G.
Self-Timer Delay Yes -
Special Effects HDR, Grid Line, Motion photos Bokeh effect
HDR Mode Auto HDR mode -
Camera Modes Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video Slow motion video
Face Recognition (Face ID) Face detection - Samsung Galaxy S10 5G has face detection.
White Balance Custom, automatic -
Light Source High CRI LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 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 480 fps
Camera Features (Functions) Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 16 Megapixel 12 Megapixel Samsung Galaxy S10 5G has better second camera resolution than Samsung Galaxy A51 5G.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 123 degree(s) 123 degree(s) Both phones have the same second camera lens field of view.
Pixel Size (2nd Camera) 1 μm -
Camera Features (2nd Camera) Dual Pixel AF, OIS (Optical Image Stabilisation) -
THIRD CAMERA
Sensor Resolution (3rd Camera) 12 Megapixel 5 Megapixel Samsung Galaxy S10 5G has higher resolution third camera than Samsung Galaxy A51 5G.
Lens Type (3rd Camera) Wide-angle lens -
Lens Aperture (3rd Camera) F/1.5 and f/2.4 F/2.4 Samsung Galaxy S10 5G has better third camera lens aperture than Samsung Galaxy S10 5G.
Field of View (3rd Camera) 77 degree(s) -
Pixel Size (3rd Camera) 1.4 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S10 5G has optical stabilisation of the third camera.
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) Dual Pixel AF -
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) F/1.2 F/2.2 Samsung Galaxy S10 5G has better fourth camera lens aperture than Samsung Galaxy S10 5G.
Field of View (4th Camera) 72 degree(s) -
Pixel Size (4th Camera) 10 μm -
Camera Functions (4th Camera) Capture depth information Depth camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 10 Megapixel 32 Megapixel Samsung Galaxy A51 5G has better front camera resolution than Samsung Galaxy S10 5G.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.9 F/2.2 Samsung Galaxy S10 5G has better front lens aperture than Samsung Galaxy S10 5G.
Field of View (Front) 80 degree(s) -
Pixel Size (Front) 1.22 μm -
Focus Adjustment Automatic Focus free
Camera Modes (Front) Wide selfie mode, Live Focus mode, AR Emoji, selfie focus, Live focus video -
Camera Features (Front) Dual Pixel AF -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 8 Megapixel -
Lens Aperture (2nd Front) F/1.6 -
Field of View (2nd Front) 75 degree(s) -
Pixel Size (2nd Front) 10 μm -
Camera Functions (2nd Front) Capture depth information -
BATTERY AND CHARGING Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Battery Capacity (Battery Size) 4500 mAh 4500 mAh Both phones have the same battery capacity.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging - Samsung Galaxy S10 5G has fast charging technology.
Wireless Charging Yes - Samsung Galaxy S10 5G can be charged wirelessly.
Wireless Charging Standards WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare -
Talk Time 2400 minutes 1380 minutes Samsung Galaxy S10 5G has longer battery life when making calls than Samsung Galaxy A51 5G.
Run Time Details Talk: up to 2400 min
Standby (Always On Display Off): up to 350 hrs
Standby (Always On Display On): up to 113 hrs
Talk (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
CELLULAR Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie -
User Interface One UI -
Intelligent Assistant Bixby Bixby
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, LAA, 5G NR FR1 GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 850, 900
4G LTE Band Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 46, Band 48, Band 66 Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band N260, n261 N41, n78
5G NR Frequency TDD 39GHz, TDD 28GHz TDD TD 2500, TDD TD 3500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 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
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound, Qualcomm TrueWireless, Qualcomm Broadcast Audio, Qualcomm Aqstic audio, Qualcomm aptX audio -
FEATURES Samsung Galaxy S10 5G Samsung Galaxy A51 5G
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, pressure sensor, geomagnetic sensor, HR sensor Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader (under display)
Additional Phone Features Multi Window, Smart Select, MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Live message, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS Samsung Galaxy S10 5G Samsung Galaxy A51 5G
Included Accessories Power adapter, SIM card removal tool, clear soft case, USB-C cable, headset (tuned by AKG), USB connector (OTG), protective film Power adapter
Compliant Standards IP68 -
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