Samsung Galaxy S10 (SM-G9730 128GB) vs Samsung Galaxy A51 (SM-A515F/DS)

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Side by side comparison between Samsung Galaxy S10 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

1/4/2020 6:17 PM, updated: 9/27/2024 2:48 AM

Compare Samsung Galaxy A51 X Samsung Galaxy S10 (SM-G9730 128GB) 24Points

Specifications Compare Models Pictures

6.1"
AMOLED

1440x3040

12.2
MP

10mp

8GB
RAM

Octa-core

3400
mAh

(Non removable)

07Points Samsung Galaxy A51 (SM-A515F/DS) Compare Samsung Galaxy S10 X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S10 (SM-G9730 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!

24 Advantages Samsung Galaxy S10 (SM-G9730 128GB)	vs	7 Advantages Samsung Galaxy A51 (SM-A515F/DS)
+2.84GHz 64bit Octa-core (7nm)38% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+157 grams (5.5 ounces)10% Lighter	vs	172 grams (6.02 ounces)
+7.8 millimeters (0.31 inches)1% Thinner	vs	7.9 millimeters (0.31 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+1440x3040 pixels69% Higher resolution screen	vs	1080x2400 pixels
+551 PPI36% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	405 PPI
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+f/1.5 (aperture)33% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(4G LTE-A) 2000 Mbps2 times Faster for surfing the internet and download files	vs	(4G LTE-A) 600 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Heart rateAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+SpO2Advantage Sensors help you use the device	vs	Not supported
+Qi wireless charging (Qi/PMA)Advantage Wireless charging is another way to charge the battery.	vs	Not supported
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 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	vs	Not supported
6.1"	vs	+6.5"7% Larger screen
(triple camera) 12.2MP + 12MP + 16MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP74% Higher resolution main camera
1/2.55" inches	vs	+1/2" inches28% The larger sensor camera lets you take photos with better depth.
(front) 10MP	vs	+(front) 32MP2 times Higher resolution secondary camera to take pictures and selfies
Android 12	vs	+Android 13Advantage Android 13 is newer and safer
3400 mAh	vs	+4000 mAh18% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.

32 Common items in both devices

128GB (109GB available) / 128GB (107GB available)

Until 1TB microSD, microSDXC

Dynamic AMOLED / Super AMOLED

60Hz

16 million

LED flash

PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus

+25 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 S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Change model		Choose the model
Model	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Other model names	Galaxy S10 (Snapdragon) G9730 Dual-Sim, Samsung Beyond	Samsung Galaxy A51 SM-A515F/DS
Country or region available	China, Hong Kong	(Latin America)
Brand	Samsung	Samsung
Release date	3/1/2019, Announced: 2/20/2019	12/16/2019, Announced: 12/12/2019
Depth	7.8 millimeters (0.31 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	70.4 x 149.9 millimeters (2.77 x 5.9 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	157 grams (5.5 ounces)	172 grams (6.02 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Display type	Dynamic AMOLED	Super AMOLED
Screen size	6.1" inches	6.5" inches
Screen-to-body ratio	~88% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	1440x3040 pixels (19:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	551 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	HDR10+ Always-On Display	Always-On Display
🤖 Operating System
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
System version	Android 9.0 Pie	Android 10
Firmware update	Android 12	Android 13
User Interface	One UI 2.0 / 3.1 / 4.1	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Chipset	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 640 (585MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	AnTuTu: 113051 (v7), 175363 (v8) Geekbench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
RAM memory	8GB LPDDR4X	4GB LPDDR4X
Internal storage	128GB (109GB available) UFS 2.1	128GB (107GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Dual-SIM	Dual-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 card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/150 Mbps	600/150 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	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE
📷 Camera
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Back camera (main camera)	(triple camera) 12.2 megapixels 12MP telephoto f/2.41/3.6"52mm1.0µmAFOIS2x-optical-zoom 16MP ultrawide f/2.212mm	(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 resolution	4032x3024 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.5 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	1/2.55" inches	1/2" inches
Pixel size	1.4µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus on both cameras	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	1080p@240fps 720p@960fps	feature not registered
📸 Front camera
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Front camera (secondary)	10 megapixels	32 megapixels
Front camera resolution	3872x2592 pixels	6528x4896 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
USB	USB 3.1 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Sensors	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Heart rate Proximity sensor SpO2	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3400 mAh	4000 mAh
Charger, watts	15W (9V/167A) Wired fast charging USB Power Delivery 2.0	15W Wired fast charging
Inductive / wireless charging	15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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 Black, White, Green, Blue, Flamingo Pink • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC)	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Galaxy S10 (SM-G9730 128GB)	Galaxy A51 (SM-A515F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.369W/kg (head), 1.59W/kg (body)