Samsung W21 5G vs Samsung Galaxy A02 (SM-A022M 32GB)

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Side by side comparison between Samsung W21 5G vs Samsung Galaxy A02 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 A02 X Samsung W21 5G 38Points

Specifications Compare Models Pictures

7.6"
AMOLED

1768x2208

12.2
MP

10mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

06Points Samsung Galaxy A02 (SM-A022M 32GB) Compare Samsung W21 5G X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

13
MP

5mp

2GB
RAM

Quad-core

5000
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!

38 Advantages Samsung W21 5G	vs	6 Advantages Samsung Galaxy A02 (SM-A022M 32GB)
+3.09GHz 64bit Octa-core (7nm)132% More powerful processor, you can open your applications faster	vs	1.5GHz 64bit Quad-core (28nm)
+12GB LPDDR55 times More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+512GB (455GB available)20 times More internal storage for applications and files	vs	32GB (22GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+6.9 millimeters (0.27 inches)32% Thinner	vs	9.1 millimeters (0.36 inches)
+Aluminum frame, flexible plastic screen, glass backAdvantage More resistant material	vs	Plastic body, glass front
+Flexible Super AMOLEDAdvantage Flexible Super AMOLED display is brighter and more vivid	vs	TFT PLS
+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
+1768x2208 pixels2 times Higher resolution screen	vs	720x1600 pixels
+372 PPI38% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+7.6"17% Larger screen	vs	6.5"
+(triple camera) 12.2MP + 12MP + 12MP145% Higher resolution main camera	vs	(dual camera) 13MP + 2MP
+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
+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)
+(front) 10MP104% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+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 10
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+ANT+Advantage Sensors help you use the device	vs	Not supported
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+CompassAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+25W150% 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	10W
+Qi Wireless charging (Qi/WPC)Advantage Wireless charging is another way to charge the battery.	vs	Not supported
+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 b/g/n [wifi4]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	MicroUSB 2.0
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
282 grams (9.87 ounces)	vs	+206 grams (7.21 ounces)37% Lighter
4500 mAh	vs	+5000 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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
5.0 + A2DP/LE	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster

11 Common items in both devices

16 million

LED flash

PDAF: phase detection autofocus / Autofocus

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

Capacitive

Multitouch

Accelerometer

+4 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 A02 (SM-A022M 32GB)
Change model		Choose the model
Model	W21 5G	Galaxy A02 (SM-A022M 32GB)
Other model names	三星W21 5G SM-W2021 (China Telecom edition)	Galaxy A02 SM-A022M Single-SIM (32GB + 2GB RAM)
Country or region available	China	(Latin America), Argentina, Peru
Brand	Samsung	Samsung
Release date	11/1/2020	1/27/2021
Depth	6.9 millimeters (0.27 inches)	9.1 millimeters (0.36 inches)
Size (width x height)	128.2 x 159.2 millimeters (5.05 x 6.27 in)	75.9 x 164 millimeters (2.99 x 6.46 in)
Weight	282 grams (9.87 ounces)	206 grams (7.21 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
Display type	Flexible Super AMOLED	TFT PLS
Screen size	7.6" inches	6.5" inches
Screen-to-body ratio	~89.1% (screen-to-body ratio)	~81.9% (screen-to-body ratio)
Display resolution	1768x2208 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	372 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Not supported
Refresh rate	120Hz	60Hz
Display features	HDR10+ Extra display: Super AMOLED 6.23" (816x2260) Gorilla Glass Victus	Not supported
🤖 Operating System
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
System version	Android 10	Android 10
Firmware update	Android 13	feature not registered
User Interface	One UI 3.1 / 4.1 / 5.0	feature not registered
⚙️ Processor
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
Chipset	64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)	64bit: MediaTek MT6739 (28nm)
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)	Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 650 (250-646MHz)	PowerVR GE8100 MP1 (570MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
RAM memory	12GB LPDDR5	2GB LPDDR3
Internal storage	512GB (455GB available) UFS 3.1	32GB (22GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
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	150/50 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 Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) VoLTE
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+, LTE
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 A02 (SM-A022M 32GB)
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	(dual camera) 13 megapixels 2MP macro f/2.4
Main camera resolution	4032x3024 pixels	4128x3096 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	feature not registered
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 on both cameras
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 A02 (SM-A022M 32GB)
Front camera (secondary)	10 megapixels	5 megapixels
Front camera resolution	3872x2592 pixels	2560x1920 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (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 A02 (SM-A022M 32GB)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	2 microphones or more	Not supported
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, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
USB	USB 3.2 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	5.1 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
Sensors	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Face unlock Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4500 mAh	5000 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	10W Wired charging
Inductive / wireless charging	11W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	Not supported
Talk time autonomy	31 hours (1.3 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
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: Gold • Bixby • Samsung Wireless DeX • Samsung Pay (MST, NFC)	• Colors: Black, Blue, Red • One UI 2.0 • Mono sound (not stereo)
☢️ Radiation rate
	Samsung W21 5G	Galaxy A02 (SM-A022M 32GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.53W/kg (head), 0.74W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.859W/kg (head), 1.453W/kg (body)	feature not registered