Asus Zenfone 4 (ZE554KL 64GB/4GB) vs Samsung Galaxy M21s (SM-F415F/DS)

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Side by side comparison between Asus Zenfone 4 vs Samsung Galaxy M21s phones, differences, pros, cons and full specifications. What's the better?

11/25/2020 11:20 AM, updated: 1/18/2023 4:22 AM

Compare Samsung Galaxy M21s X Asus Zenfone 4 (ZE554KL 64GB/4GB) 06Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

12.2
MP

8mp

4GB
RAM

Octa-core

3300
mAh

(Non removable)

14Points Samsung Galaxy M21s (SM-F415F/DS) Compare Asus Zenfone 4 X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

4GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M21s (SM-F415F/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!

6 Advantages Asus Zenfone 4 (ZE554KL 64GB/4GB)	vs	14 Advantages Samsung Galaxy M21s (SM-F415F/DS)
+2.2GHz 64bit Octa-core2% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+165 grams (5.78 ounces)16% Lighter	vs	191 grams (6.69 ounces)
+7.5 millimeters (0.3 inches)19% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1080x2340 pixels22% Higher resolution screen
401 PPI	vs	+403 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.4"16% Larger screen
(dual camera) 12.2MP + 8MP	vs	+(triple camera) 64MP + 8MP + 5MP3 times Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.55" inches	vs	+1/1.72" inches48% The larger sensor camera lets you take photos with better depth.
(front) 8MP	vs	+(front) 32MP3 times Higher resolution secondary camera to take pictures and selfies
Android 7.1.1 Nougat	vs	+Android 12Advantage Android 12 is newer and safer
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3300 mAh	vs	+6000 mAh82% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+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.
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

4GB LPDDR4 / 4GB LPDDR4X

64GB (52GB available) / 64GB (49GB available)

16 million

LED flash

Only digital zoom

PDAF: phase detection autofocus

HDR photo on both cameras

+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
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Change model
Model	Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Other model names	Asus Zenfone 4 (NFC not available) Snapdragon 630 (4GB RAM)	Galaxy M21s SM-F415F/Dual-Sim (4GB RAM)
Country or region available	(Latin America), (Global, International), Brazil, India, Indonesia	(Latin America), Brazil
Brand	Asus	Samsung
Release date	10/1/2017	11/6/2020
Depth	7.5 millimeters (0.3 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	75.2 x 155.4 millimeters (2.96 x 6.12 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	165 grams (5.78 ounces)	191 grams (6.69 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.5" inches	6.4" inches
Screen-to-body ratio	~71.4% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	420nits[peak]
🤖 Operating System
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
System version	Android 7.1.1 Nougat	Android 10
Firmware update	feature not registered	Android 12
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1
⚙️ Processor
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Chipset	64bit: Qualcomm Snapdragon 630 SDM630 (14nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (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 508	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
RAM memory	4GB LPDDR4	4GB LPDDR4X
Internal storage	64GB (52GB available)	64GB (49GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/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	300/50 Mbps	300/50 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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	Brazil version: UMTS 800/850/900/1700/1900/2100 Global/India/Indonesia version: UMTS 850/900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 Brazil version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Global/India/Indonesia version: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 40)	LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Back camera (main camera)	(dual camera) 12.2 megapixels 8MP 12mm	(triple camera) 64 megapixels 8MP ultrawide f/2.2123°12mm1/4"1.12µm 5MP depth f/2.2
Main camera resolution	4032x3024 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	25mm (lens)	26mm (lens)
Sensor size	1/2.55" inches	1/1.72" inches
Pixel size	1.4µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): 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	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30fps
📸 Front camera
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Front camera (secondary)	8 megapixels	32 megapixels
Front camera resolution	3264x2448 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	24mm (lens)	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, OGG, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
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) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	6000 mAh
Charger, watts	10W (5V/2A) Wired charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	30 hours (1.3 days)	48 hours (2 days)
Standby	552 hours (23 days)	feature not registered
➕ Other features
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
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: Moonlight white, Mint green, Midnight black • Asus ZenUI 4.0 • 2.5D glass screen • Sony IMX362 back camera sensor • Fast battery charging: 50% in 36min • 24-bit/192kHz audio • DTS surround sound • VoLTE	• Colors: Black, Blue
☢️ Radiation rate
	Asus Zenfone 4 (ZE554KL 64GB/4GB)	Galaxy M21s (SM-F415F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.383W/kg (head)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered