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

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

,
7.6"
AMOLED

1768x2208

12.2
MP

10mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

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

W21 5G} 25 Advantages Samsung W21 5G vs Galaxy A7 2017 (SM-A720F)} 7 Advantages Samsung Galaxy A7 2017 (SM-A720F)
+3.09GHz 64bit Octa-core (7nm)61%
More powerful processor, you can open your applications faster
vs1.9GHz 64bit Octa-core
+12GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR4
+512GB (455GB available)20 times
More internal storage for applications and files
vs32GB (22GB available)
+6.9 millimeters (0.27 inches)14%
Thinner
vs7.9 millimeters (0.31 inches)
+1768x2208 pixels88%
Higher resolution screen
vs1080x1920 pixels
+7.6"33%
Larger screen
vs5.7"
+(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
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+HDR photo/video on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR 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.
vsf/1.9 (aperture)
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull 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
vsAndroid 8.0 Oreo
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G 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
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+4500 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3600 mAh
+2 slots (Dual-SIM)Advantage
You can have more mobile carriers/operators on the same device.
vs1 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
vs802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C reversible connector
Not supportedvs+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 PPIvs+386 PPI4%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) 10MPvs+(front) 16MP59%
Higher resolution secondary camera to take pictures and selfies
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
Not supportedvs+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 Clear highlight

πŸ“± Model features

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Change model 
ModelW21 5GGalaxy A7 2017 (SM-A720F)
Other model namesδΈ‰ζ˜ŸW21 5G SM-W2021 (China Telecom edition)Samsung Galaxy A7 SM-A720F Single-Sim
Country or region availableChina
China
(Global, International)AlgeriaAustraliaIsraelTurkey
(Global, International), Algeria, Australia, Israel, Turkey
BrandSamsungSamsung
Release date11/1/20201/13/2017
Depth6.9 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)
Weight282 grams (9.87 ounces)186 grams (6.51 ounces)
Build, materialsAluminum frame, flexible plastic screen, glass backfeature not registered
Protection against water and othersNot supportedWaterproof (IP?)

πŸ“² Display

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Display typeFlexible Super AMOLEDSuper AMOLED
Screen size7.6" inches5.7" inches
Screen-to-body ratio~89.1% (screen-to-body ratio)~73.6% (screen-to-body ratio)
Display resolution1768x2208 pixels1080x1920 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)372 PPI386 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass 3
Refresh rate120Hzfeature not registered
Display featuresHDR10+
Extra display: Super AMOLED 6.23" (816x2260) Gorilla Glass Victus
feature not registered

πŸ€– Operating System

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
System versionAndroid 10Android 6.0.1 Marshmallow
Firmware updateAndroid 13Android 8.0 Oreo
User InterfaceOne UI 3.1 / 4.1 / 5.0feature not registered

βš™οΈ Processor

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Chipset64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)64bit: Samsung Exynos 7 Octa 7880 (14nm)
CPUOcta-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 controllerQualcomm Adreno 650 (250-646MHz)ARM Mali-T830 MP3
Performance (benchmark)feature not registeredfeature not registered

πŸ’½ Memory and storage

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
RAM memory12GB LPDDR53GB LPDDR4
Internal storage512GB (455GB available)
UFS 3.1
32GB (22GB available)
External storageNot supportedUntil 256GB microSD, microSDXC
(dedicated slot)

πŸ“Ά Mobile networks

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/1024 Mbps300/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE 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 networkSub6 (1, 28, 41, 78, 79)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1900/2100Not supported
Secondary 4G networkLTE 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 networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSANot supported

πŸ“· Camera

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Back camera (main camera)(triple camera)
12.2 megapixels
12MP telephoto f/2.452mm1/3.6"1.0Β΅mPDAFOIS2x-optical-zoom
12MP ultrawide f/2.2123Β°12mm1.12Β΅m
16 megapixels
Main camera resolution4032x3024 pixels4608x3456 pixels
Video recording (primary)4K UHD (3840x2160) 60 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.9 (aperture)
Focal length26mm (lens)27mm (lens)
Sensor size1/1.76" inchesfeature not registered
Pixel size1.8Β΅m pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo only main camera
Camera extrasCover camera: 10MP (f/2.2)
4K@30/60fps
1080p@60fps
1080p@240fps (slow motion)
720p@960fps (slow motion)
feature not registered

πŸ“Έ Front camera

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Front camera (secondary)10 megapixels16 megapixels
Front camera resolution3872x2592 pixels4608x3456 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/1.9 (aperture)
Focal length26mm (lens)feature not registered
Sensor size1/3" inchesfeature not registered
Pixel size1.22Β΅m pixelfeature not registered

πŸ”‰ Sound and multimedia

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

πŸ”Œ Connectivity

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 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
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
SensorsAccelerometer
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 alertSupportedSupported

πŸ”‹ Battery

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity4500 mAh3600 mAh
Charger, watts25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
Wired charging
Inductive / wireless charging11W Qi Wireless charging (Qi/WPC)
4.5W Reverse wireless charging
feature not registered
Talk time autonomy31 hours (1.3 days)23 hours
Standbyfeature not registeredfeature not registered

βž• Other features

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneousβ€’ Colors: Gold
β€’ Bixby
β€’ Samsung Wireless DeX
β€’ Samsung Pay (MST, NFC)
β€’ Colors: Black, Gold, Blue, Pink
β€’ Metal body
β€’ Gorilla Glass on the back
β€’ Samsung Grace UX
β€’ Fast battery charging
β€’ ANT+
β€’ IP68 certified: dust proof and water resistant over 1.5meter and 30min

☒️ Radiation rate

Samsung W21 5GGalaxy A7 2017 (SM-A720F)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.859W/kg (head), 1.453W/kg (body)0.21W/kg (head), 1.33W/kg (body)
X

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