Asus Zenfone 9 (256GB/16GB) vs Samsung Galaxy A51 (SM-A515F/DSN)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Asus Zenfone 9 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

11/14/2022 3:24 PM, updated: 6/23/2023 6:07 AM

Compare Samsung Galaxy A51 X Asus Zenfone 9 (256GB/16GB) 23Points

Specifications Compare Models Pictures

5.9"
AMOLED

1080x2400

50
MP

12mp

16GB
RAM

Octa-core

4300
mAh

(Non removable)

07Points Samsung Galaxy A51 (SM-A515F/DSN) Compare Asus Zenfone 9 X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Asus Zenfone 9 (256GB/16GB)

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!

23 Advantages Asus Zenfone 9 (256GB/16GB)	vs	7 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
+3.19GHz 64bit Octa-core (4nm)55% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+16GB LPDDR5167% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+256GB (230GB available)115% More internal storage for applications and files	vs	128GB (107GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+169 grams (5.92 ounces)2% Lighter	vs	172 grams (6.02 ounces)
+Aluminum body, glass front, plastic backAdvantage More resistant material	vs	Plastic body, glass front
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+446 PPI10% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	405 PPI
+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
+1/1.56" inches28% The larger sensor camera lets you take photos with better depth.	vs	1/2" inches
+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera	vs	4K UHD (3840x2160)
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps2 times Faster for surfing the internet and download files	vs	(4G LTE-A) 600 Mbps
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+4300 mAh8% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4000 mAh
+30W100% 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	15W
+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] 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
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
9.1 millimeters (0.36 inches)	vs	+7.9 millimeters (0.31 inches)15% Thinner
5.9"	vs	+6.5"10% Larger screen
(dual camera) 50MP + 12MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP13% Higher resolution main camera
(front) 12MP	vs	+(front) 32MP166% Higher resolution secondary camera to take pictures and selfies
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general

29 Common items in both devices

Super AMOLED

16 million

1080x2400 pixels

LED flash

Only digital zoom

PDAF: phase detection autofocus

HDR photo/video on both cameras / HDR photo on both cameras

+22 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
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Change model		Choose the model
Model	Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Other model names	Zenfone 9z AI2202-1A028BR, AI2202-1A006EU, 90AI00C3-M000X0	Samsung Galaxy A51 SM-A515F/DSN
Country or region available	(Global, International)	(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
Brand	Asus	Samsung
Release date	9/15/2022, Announced: 7/28/2022	12/16/2019, Announced: 12/12/2019
Depth	9.1 millimeters (0.36 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	68.1 x 146.5 millimeters (2.68 x 5.77 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	169 grams (5.92 ounces)	172 grams (6.02 ounces)
Build, materials	Aluminum body, glass front, plastic 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
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Display type	Super AMOLED	Super AMOLED
Screen size	5.9" inches	6.5" inches
Screen-to-body ratio	~84.2% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	446 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 3
Refresh rate	120Hz	60Hz
Display features	1100nits[peak] HDR10+ Always-On Display	Always-On Display
🤖 Operating System
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
System version	Android 12	Android 10
Firmware update	Android 13	Android 13
User Interface	ZenUI 9	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Chipset	64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (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 730 (818MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	AnTuTu: 1083028 (v9) Geekbench: 4338 (v5.1) GFXBench: 89fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
RAM memory	16GB LPDDR5	6GB LPDDR4X
Internal storage	256GB (230GB available) UFS 3.1	128GB (107GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	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	2000/1024 Mbps	600/150 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 800/850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 VoLTE A version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) B version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) C version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42)	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	A version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) B version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78) C version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 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	UMTS 800/850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 VoLTE A version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) B version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) C version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42)	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE
📷 Camera
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Back camera (main camera)	(dual camera) 50 megapixels 12MP ultrawide f/2.214.4mm113°1/2.93"1.4µmAF	(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	8160x6120 pixels	8000x6000 pixels
Video recording (primary)	8K UHD (7680x4320) 24 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	24mm (lens)	26mm (lens)
Sensor size	1/1.56" inches	1/2" inches
Pixel size	1µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Only digital 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	4K@30/60/120fps 1080p@30/60/240fps 720p@480fps	feature not registered
📸 Front camera
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Front camera (secondary)	12 megapixels	32 megapixels
Front camera resolution	4000x3000 pixels	6528x4896 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.5 (aperture)	f/2.2 (aperture)
Focal length	27mm (lens)	26mm (lens)
Sensor size	1/2.93" inches	1/2.8" inches
Pixel size	1.22µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Loudspeaker	Stereo sound 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	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
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
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	USB Type-C (reversible)	Not supported
Bluetooth	5.2 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + 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, QZSS, NavIC	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4300 mAh	4000 mAh
Charger, watts	30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0	15W Wired fast 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
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
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, Blue, Red, Silver	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Asus Zenfone 9 (256GB/16GB)	Galaxy A51 (SM-A515F/DSN)
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)