Samsung Galaxy A51 5G (SM-A516B/DS) vs Asus Zenfone 3 (5.5 ZE552KL 64GB)

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Side by side comparison between Samsung Galaxy A51 5G vs Asus Zenfone 3 phones, differences, pros, cons and full specifications. What's the better?

9/28/2020 8:46 PM, updated: 3/13/2023 9:26 AM

Compare Asus Zenfone 3 X Samsung Galaxy A51 5G (SM-A516B/DS) 20Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

06Points Asus Zenfone 3 (5.5 ZE552KL 64GB) Compare Samsung Galaxy A51 5G X

Specifications Compare Models Pictures

5.5"
IPS+

1080x1920

16
MP

8mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 5G (SM-A516B/DS)

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!

20 Advantages Samsung Galaxy A51 5G (SM-A516B/DS)	vs	6 Advantages Asus Zenfone 3 (5.5 ZE552KL 64GB)
+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR3
+128GB (105GB available)91% More internal storage for applications and files	vs	64GB (55GB available)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT Super IPS+
+1080x2400 pixels25% Higher resolution screen	vs	1080x1920 pixels
+405 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	401 PPI
+6.5"18% Larger screen	vs	5.5"
+(quad camera) 48MP + 12MP + 5MP + 5MP3 times Higher resolution main camera	vs	(back) 16MP
+(front) 32MP3 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 13Advantage Android 13 is newer and safer	vs	Android 8.0 Oreo
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps6 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+ANT+Advantage Sensors help you use the device	vs	Not supported
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+4500 mAh50% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+15W50% 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.	vs	10W
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
2.2GHz 64bit Octa-core (8nm)	vs	+2GHz 64bit Octa-core (14nm)2% More powerful processor, you can open your applications faster
187 grams (6.55 ounces)	vs	+155 grams (5.43 ounces)21% Lighter
8.7 millimeters (0.34 inches)	vs	+7.7 millimeters (0.3 inches)13% Thinner
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device

28 Common items in both devices

Aluminum body, glass front, plastic back

60Hz

16 million

Only digital zoom

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

HDR photo on both cameras

f/2.0 (aperture)

+21 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 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
Change model		Choose the model
Model	Galaxy A51 5G (SM-A516B/DS)	Zenfone 3 (5.5 ZE552KL 64GB)
Other model names	Galaxy A51 SM-A516B	Zenfone 3 ZE552KL 4GB/64GB 5.5" Dual-SIM, Asus Libra
Country or region available	(Global, International)	(Europe), (Global, International), Brazil, Canada, China, USA, Hong Kong, India, Indonesia, Japan, Taiwan
Brand	Samsung	Asus
Release date	4/29/2020, Announced: 4/8/2020	7/12/2016
Depth	8.7 millimeters (0.34 inches)	7.7 millimeters (0.3 inches)
Size (width x height)	73.6 x 158.9 millimeters (2.9 x 6.26 in)	77.38 x 152.59 millimeters (3.05 x 6.01 in)
Weight	187 grams (6.55 ounces)	155 grams (5.43 ounces)
Build, materials	Aluminum body, glass front, plastic back	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
Display type	Super AMOLED	TFT Super IPS+
Screen size	6.5" inches	5.5" inches
Screen-to-body ratio	~87.2% (screen-to-body ratio)	~70.6% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x1920 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	405 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	Always-On Display	2.5D glass
🤖 Operating System
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
System version	Android 10	Android 6.0.1 Marshmallow
Firmware update	Android 13	Android 8.0 Oreo
User Interface	One UI 2.5 / 3.1 / 4.1 / 5.0	ZenUI 3.0
⚙️ Processor
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
Chipset	64bit: Samsung Exynos 980 (8nm)	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	ARM Mali-G76 MP5 (728MHz)	Qualcomm Adreno 506 (650MHz)
Performance (benchmark)	AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
RAM memory	6GB LPDDR4X	4GB LPDDR3
Internal storage	128GB (105GB available) UFS 2.1	64GB (55GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
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 (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload	2000/200 Mbps	300/50 Mbps
Network technology	2G, 3G, 4G, 5G	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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 India: UMTS 850/900/2100
Primary 4G network	LTE Cat12/13 (1, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (38, 40, 41) VoLTE	LTE Cat6 Global: LTE (1, 2, 3, 5, 7, 8, 20) Taiwan: LTE (1, 2, 3, 5, 7, 8, 18, 19, 26, 28) TD-LTE (38, 39, 40, 41) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil/USA: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28)
Primary 5G network	SA/NSA/Sub6 (41, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Global: UMTS 850/900/1900/2100 Taiwan: UMTS 800/850/900/1900/2100 India: UMTS 850/900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
📷 Camera
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
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	16 megapixels
Main camera resolution	8000x6000 pixels	4608x3456 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/2" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS (4-axis): Optical 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 on both cameras	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30/60fps
📸 Front camera
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
Front camera (secondary)	32 megapixels	8 megapixels
Front camera resolution	6528x4896 pixels	3264x2448 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/2.8" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
Loudspeaker	Supported	Mono sound (not stereo) 24-bit/192kHz
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
USB	USB 2.0 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	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	4.2 + A2DP
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) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4500 mAh	3000 mAh
Charger, watts	15W Wired fast charging	10W (5V/2A) Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
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 Cube Black, Prism Cube White, Prism Cube Pink	• Colors: Sapphire Black, Moonlight White, Shimmer Gold
☢️ Radiation rate
	Galaxy A51 5G (SM-A516B/DS)	Asus Zenfone 3 (5.5 ZE552KL 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.496W/kg (head), 1.555W/kg (body)	feature not registered