Samsung Galaxy A3 Duos (SM-A300H/DS) vs Samsung Galaxy A51 5G UW (SM-A516V)

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Side by side comparison between Samsung Galaxy A3 vs Samsung Galaxy A51 5G phones, differences, pros, cons and full specifications. What's the better?

9/28/2020 10:33 PM, updated: 11/22/2022 5:44 PM

Compare Samsung Galaxy A51 5G X Samsung Galaxy A3 Duos (SM-A300H/DS) 04Points

Specifications Compare Models Pictures

4.5"
AMOLED

540x960

8
MP

5mp

1GB
RAM

Quad-core

1900
mAh

(Non removable)

26Points Samsung Galaxy A51 5G UW (SM-A516V) Compare Samsung Galaxy A3 X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 5G UW (SM-A516V)

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!

4 Advantages Samsung Galaxy A3 Duos (SM-A300H/DS)	vs	26 Advantages Samsung Galaxy A51 5G UW (SM-A516V)
+110 grams (3.85 ounces)70% Lighter	vs	187 grams (6.55 ounces)
+6.9 millimeters (0.27 inches)26% Thinner	vs	8.7 millimeters (0.34 inches)
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
1.2GHz 64bit Quad-core (28nm)	vs	+2.4GHz 64bit Octa-core (7nm)142% More powerful processor, you can open your applications faster
1GB LPDDR2	vs	+6GB LPDDR4X5 times More RAM memory. Typically more responsive and better for multitasking.
16GB (12GB available)	vs	+128GB (105GB available)8 times More internal storage for applications and files
eMMC 4.5	vs	+UFS 2.1Advantage Fastest write and read storage.
Until 64GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC15 times More external storage for files using memory cards
540x960 pixels	vs	+1080x2400 pixels4 times Higher resolution screen
245 PPI	vs	+405 PPI65% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"	vs	+6.5"44% Larger screen
(back) 8MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP8 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.4 (aperture)	vs	+f/2.0 (aperture)20% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 32MP5 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) WVGA (800x480)	vs	+(front) 4K UHD (3840x2160)21 times More image quality for recording videos with the secondary camera
Android 6.0.1 Marshmallow	vs	+Android 13Advantage Android 13 is newer and safer
3G+ HSPA+	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(3G+ HSPA+) 42 Mbps	vs	+(5G Sub6) 5000 Mbps118 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (under display)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1900 mAh	vs	+4500 mAh137% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
3.5W	vs	+15W3 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

21 Common items in both devices

Aluminum body, glass front / Aluminum body, glass front, plastic back

Super AMOLED

60Hz

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

+14 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 A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Change model		Choose the model
Model	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Other model names	Galaxy A3 (3G) SM-A300H/Dual-Sim	Galaxy A51 SM-A516VZBAVZW (Verizon)
Country or region available	Angola, Saudi Arabia, Côte d'Ivoire, Egypt, United Arab Emirates, India, Indonesia, Morocco, Mozambique, Pakistan	USA
Brand	Samsung	Samsung
Release date	11/1/2014	8/14/2020
Depth	6.9 millimeters (0.27 inches)	8.7 millimeters (0.34 inches)
Size (width x height)	65.5 x 130.1 millimeters (2.58 x 5.12 in)	73.6 x 158.9 millimeters (2.9 x 6.26 in)
Weight	110 grams (3.85 ounces)	187 grams (6.55 ounces)
Build, materials	Aluminum body, glass front	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Display type	Super AMOLED	Super AMOLED
Screen size	4.5" inches	6.5" inches
Screen-to-body ratio	~65.5% (screen-to-body ratio)	~87.2% (screen-to-body ratio)
Display resolution	540x960 pixels (16:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	245 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	Not supported	Always-On Display
🤖 Operating System
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
System version	Android 4.4.4 KitKat	Android 10
Firmware update	Android 6.0.1 Marshmallow	Android 13
User Interface	TouchWiz UX	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Chipset	64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm)	64bit: Qualcomm Snapdragon 765G (SM7250-AB) (7nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core)	Octa-core, 3 processors: 1x 2.4GHz Kryo 475 Prime (Single-core) 1x 2.2GHz Kryo 475 Gold (Single-core) 6x 1.8GHz Kryo 475 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 306 (400MHz)	Qualcomm Adreno 620 (625MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
RAM memory	1GB LPDDR2	6GB LPDDR4X
Internal storage	16GB (12GB available) eMMC 4.5	128GB (105GB available) UFS 2.1
External storage	Until 64GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	42/5.76 Mbps	5000/200 Mbps
Network technology	2G, 3G	2G, 3G, 4G, 5G
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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	Not supported	LTE Cat12/13 (2, 4, 5, 13, 66) VoLTE
Primary 5G network	Not supported	mmWave (260, 261)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A, Sub6
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 A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Back camera (main camera)	8 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 resolution	3264x2448 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.4 (aperture)	f/2.0 (aperture)
Focal length	31mm lens	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Front camera (secondary)	5 megapixels	32 megapixels
Front camera resolution	2592x1944 pixels	6528x4896 pixels
Video recording (secondary)	WVGA (800x480)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	23mm lens	26mm lens
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	1900 mAh	4500 mAh
Charger, watts	3.5W (5V/0.7A) Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	12 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
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: Black, White, Blue, Silver, Pink, Gold • Java framework	• Colors: Prism Bricks Blue
☢️ Radiation rate
	Galaxy A3 Duos (SM-A300H/DS)	Galaxy A51 5G UW (SM-A516V)
SAR 1.6W/kg (USA, Mexico, etc.)	0.989W/kg (head), 1.09W/kg (body)	0.59W/kg (head), 1.32W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.288W/kg (head), 0.553W/kg (body)	feature not registered