Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB) vs Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB)

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Side by side comparison between Asus Zenfone 4 Selfie Pro vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

7/14/2020 10:59 PM, updated: 7/6/2022 7:26 AM

Compare Samsung Galaxy A21s X Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB) 13Points

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

16
MP

12mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

13Points Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB) Compare Asus Zenfone 4 Selfie Pro X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)

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!

13 Advantages Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	vs	13 Advantages Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB)
+2GHz 64bit Octa-core3% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (8nm)
+64GB (54GB available)13% More internal storage for applications and files	vs	64GB (48GB available)
+147 grams (5.15 ounces)31% Lighter	vs	192 grams (6.72 ounces)
+6.85 millimeters (0.27 inches)30% Thinner	vs	8.9 millimeters (0.35 inches)
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT PLS
+1080x1920 pixels80% Higher resolution screen	vs	720x1600 pixels
+401 PPI49% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light	vs	LED flash
+(dual front camera) 12MP + 8MP56% Higher resolution secondary camera to take pictures and selfies	vs	(front) 13MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
4GB LPDDR3	vs	+4GB LPDDR4XAdvantage This RAM type is better and more efficient.
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
5.5"	vs	+6.5"18% Larger screen
(back) 16MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP3 times Higher resolution main camera
Android 7.0 Nougat	vs	+Android 12Advantage Android 12 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
3000 mAh	vs	+5000 mAh67% 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.
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
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

20 Common items in both devices

eMMC 5.1

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

4G LTE / 4G LTE-A

+13 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 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Change model		Choose the model
Model	Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Other model names	Asus Zenfone 4 Selfie Pro ZD552KL (64GB + 4GB RAM)	Galaxy A21s SM-A217F/Dual-Sim (64GB + 4GB RAM)
Country or region available	Brazil, China, (Europe), Philippines, Hong Kong, India, Indonesia, Malaysia, Taiwan, (Global, International)	(Global, International), Angola, Saudi Arabia, Egypt, India, Morocco, Mozambique, Pakistan
Brand	Asus	Samsung
Release date	9/14/2017	6/2/2020, Announced: 5/15/2020
Depth	6.85 millimeters (0.27 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.8 x 154 millimeters (2.94 x 6.06 in)	75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight	147 grams (5.15 ounces)	192 grams (6.72 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Display type	AMOLED	TFT PLS
Screen size	5.5" inches	6.5" inches
Screen-to-body ratio	~72.4% (screen-to-body ratio)	~82.8% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
System version	Android 7.0 Nougat	Android 10
Firmware update	feature not registered	Android 12
User Interface	feature not registered	One UI 2.0 / 3.1 / 4.1
⚙️ Processor
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	64bit: Samsung Exynos 850 (8nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	ARM Mali-G52 MP1
Performance (benchmark)	feature not registered	AnTuTu: 124232 (v8)
💽 Memory and storage
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
RAM memory	4GB LPDDR3	4GB LPDDR4X
Internal storage	64GB (54GB available) eMMC 5.1	64GB (48GB available) eMMC 5.1
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 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
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	150/50 Mbps	300/150 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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	Global version: UMTS 850/900/2100 USA/Brazil version: UMTS 850/900/1700/1900/2100 Taiwan/Japan/Hong Kong version: UMTS 800/850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 Global version: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 40) USA/Brazil version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan/Japan/Hong Kong version: LTE (Bands 1,3,5,7,8,18,19,26,28) TD-LTE (Bands 38,41)	LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	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 850/900/1900/2100
Secondary 4G network	Not supported	LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Back camera (main camera)	16 megapixels	(quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED on main camera and LED on front camera	LED flash
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	PDAF: phase detection 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 on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Front camera (secondary)	(dual front camera) 12 megapixels 8MP 12mm120°	13 megapixels
Front camera resolution	4000x3000 pixels	4128x3096 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/1.8 (aperture)	f/2.2 (aperture)
Focal length	25mm lens	feature not registered
Sensor size	1/2.55" inches	1/3.1" inches
Pixel size	1.4µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
USB	MicroUSB 2.0	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) 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 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	5000 mAh
Charger, watts	10W (5V/2A) Wired charging	15W (9V/1.67A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	30 hours (1.3 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
Call control	Voice dialing, Voice recorder, Voice commands	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: Rouge Red, Sunlight Gold, Deepsea Black • Metal body • ASUS ZenUI 4.0 • 2.5D screen glass • DTS sound enhancement • Hi-Res audio • 24-bit/192kHz audio • Slow motion 720p@120fps • Sony IMX362 sensor front camera • DuoPixel 24MP (2x12MP) front camera • Fast battery charging • VoLTE	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Galaxy A21s (SM-A217F/DS 64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.422W/kg (head), 1.544W/kg (body)