Samsung W21 5G vs Samsung Galaxy A7 2017 (SM-A720F)

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Side by side comparison between Samsung W21 5G vs Samsung Galaxy A7 (2017) phones, differences, pros, cons and full specifications. What's the better?

5/14/2021 6:50 AM, updated: 1/19/2023 3:12 PM

Compare Samsung Galaxy A7 (2017) X Samsung W21 5G 25Points

Specifications Compare Models Pictures

7.6"
AMOLED

1768x2208

12.2
MP

10mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

07Points Samsung Galaxy A7 2017 (SM-A720F) Compare Samsung W21 5G X

Specifications Compare Models Pictures

5.7"
AMOLED

1080x1920

16
MP

16mp

3GB
RAM

Octa-core

3600
mAh

(Non removable)

What's the better phone? Samsung W21 5G

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!

25 Advantages Samsung W21 5G	vs	7 Advantages Samsung Galaxy A7 2017 (SM-A720F)
+3.09GHz 64bit Octa-core (7nm)61% More powerful processor, you can open your applications faster	vs	1.9GHz 64bit Octa-core
+12GB LPDDR53 times More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR4
+512GB (455GB available)20 times More internal storage for applications and files	vs	32GB (22GB available)
+6.9 millimeters (0.27 inches)14% Thinner	vs	7.9 millimeters (0.31 inches)
+1768x2208 pixels88% Higher resolution screen	vs	1080x1920 pixels
+7.6"33% Larger screen	vs	5.7"
+(triple camera) 12.2MP + 12MP + 12MP127% Higher resolution main camera	vs	(back) 16MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+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
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+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)
+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 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3600 mAh
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] 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
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C reversible connector
Not supported	vs	+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards
282 grams (9.87 ounces)	vs	+186 grams (6.51 ounces)52% Lighter
372 PPI	vs	+386 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) 10MP	vs	+(front) 16MP59% Higher resolution secondary camera to take pictures and selfies
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
Not supported	vs	+Waterproof (IP?)Advantage Protection against water allows you talk to your friends in the rain, for example

22 Common items in both devices

Flexible Super AMOLED / Super AMOLED

16 million

LED flash

PDAF: phase detection autofocus / Autofocus

Capacitive

Multitouch

Accelerometer

+15 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
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Change model		Choose the model
Model	W21 5G	Galaxy A7 2017 (SM-A720F)
Other model names	三星W21 5G SM-W2021 (China Telecom edition)	Samsung Galaxy A7 SM-A720F Single-Sim
Country or region available	China	(Global, International), Algeria, Australia, Israel, Turkey
Brand	Samsung	Samsung
Release date	11/1/2020	1/13/2017
Depth	6.9 millimeters (0.27 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	128.2 x 159.2 millimeters (5.05 x 6.27 in)	77.6 x 156.8 millimeters (3.06 x 6.17 in)
Weight	282 grams (9.87 ounces)	186 grams (6.51 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back	feature not registered
Protection against water and others	Not supported	Waterproof (IP?)
📲 Display
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Display type	Flexible Super AMOLED	Super AMOLED
Screen size	7.6" inches	5.7" inches
Screen-to-body ratio	~89.1% (screen-to-body ratio)	~73.6% (screen-to-body ratio)
Display resolution	1768x2208 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	372 PPI	386 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 3
Refresh rate	120Hz	feature not registered
Display features	HDR10+ Extra display: Super AMOLED 6.23" (816x2260) Gorilla Glass Victus	feature not registered
🤖 Operating System
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
System version	Android 10	Android 6.0.1 Marshmallow
Firmware update	Android 13	Android 8.0 Oreo
User Interface	One UI 3.1 / 4.1 / 5.0	feature not registered
⚙️ Processor
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Chipset	64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)	64bit: Samsung Exynos 7 Octa 7880 (14nm)
CPU	Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)	Octa-core, 1 processor: 8x 1.9GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	Qualcomm Adreno 650 (250-646MHz)	ARM Mali-T830 MP3
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
RAM memory	12GB LPDDR5	3GB LPDDR4
Internal storage	512GB (455GB available) UFS 3.1	32GB (22GB available)
External storage	Not supported	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/1024 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	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20,28) TD-LTE 2300/2500/2600 (Bands 38,40,41)
Primary 5G network	Sub6 (1, 28, 41, 78, 79)	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	Not supported
Secondary 3G network	UMTS 850/900/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	Not supported
📷 Camera
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Back camera (main camera)	(triple camera) 12.2 megapixels 12MP telephoto f/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom 12MP ultrawide f/2.2123°12mm1.12µm	16 megapixels
Main camera resolution	4032x3024 pixels	4608x3456 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.9 (aperture)
Focal length	26mm (lens)	27mm (lens)
Sensor size	1/1.76" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical 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 only main camera
Camera extras	Cover camera: 10MP (f/2.2) 4K@30/60fps 1080p@60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)	feature not registered
📸 Front camera
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Front camera (secondary)	10 megapixels	16 megapixels
Front camera resolution	3872x2592 pixels	4608x3456 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/1.9 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1.22µm pixel	feature not registered
🔉 Sound and multimedia
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	4.2 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + 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	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Sensors	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4500 mAh	3600 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	Wired charging
Inductive / wireless charging	11W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	feature not registered
Talk time autonomy	31 hours (1.3 days)	23 hours
Standby	feature not registered	feature not registered
➕ Other features
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
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: Gold • Bixby • Samsung Wireless DeX • Samsung Pay (MST, NFC)	• Colors: Black, Gold, Blue, Pink • Metal body • Gorilla Glass on the back • Samsung Grace UX • Fast battery charging • ANT+ • IP68 certified: dust proof and water resistant over 1.5meter and 30min
☢️ Radiation rate
	Samsung W21 5G	Galaxy A7 2017 (SM-A720F)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.859W/kg (head), 1.453W/kg (body)	0.21W/kg (head), 1.33W/kg (body)