Samsung Galaxy Express Prime 3 (SM-J337A) vs Samsung W21 5G

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Side by side comparison between Samsung Galaxy Express Prime 3 vs Samsung W21 5G 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 W21 5G X Samsung Galaxy Express Prime 3 (SM-J337A) 05Points

Specifications Compare Models Pictures

5"
IPS

720x1280

8
MP

5mp

2GB
RAM

Quad-core

2600
mAh

(Removable)

35Points Samsung W21 5G Compare Samsung Galaxy Express Prime 3 X

Specifications Compare Models Pictures

7.6"
AMOLED

1768x2208

12.2
MP

10mp

12GB
RAM

Octa-core

4500
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!

5 Advantages Samsung Galaxy Express Prime 3 (SM-J337A)	vs	35 Advantages Samsung W21 5G
+Until 512GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+152 grams (5.32 ounces)86% Lighter	vs	282 grams (9.87 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
1.4GHz 64bit Quad-core (14nm)	vs	+3.09GHz 64bit Octa-core (7nm)178% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+12GB LPDDR55 times More RAM memory. Typically more responsive and better for multitasking.
16GB (9GB available)	vs	+512GB (455GB available)50 times More internal storage for applications and files
eMMC 5.0	vs	+UFS 3.1Advantage Fastest write and read storage.
9 millimeters (0.35 inches)	vs	+6.9 millimeters (0.27 inches)30% Thinner
Plastic body, glass front	vs	+Aluminum frame, flexible plastic screen, glass backAdvantage More resistant material
TFT IPS LCD	vs	+Flexible Super AMOLEDAdvantage Flexible Super AMOLED display is brighter and more vivid
720x1280 pixels	vs	+1768x2208 pixels3 times Higher resolution screen
294 PPI	vs	+372 PPI27% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"	vs	+7.6"52% Larger screen
(back) 8MP	vs	+(triple camera) 12.2MP + 12MP + 12MP4 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
HDR photo only main camera	vs	+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/1.9 (aperture)	vs	+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 10MP104% Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 8.0 Oreo	vs	+Android 13Advantage Android 13 is newer and safer
4G LTE	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
2600 mAh	vs	+4500 mAh73% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM)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/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys

11 Common items in both devices

16 million

LED flash

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

Compass

+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
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Change model
Model	Galaxy Express Prime 3 (SM-J337A)	W21 5G
Other model names	AT&T Galaxy Express Prime 3 SM-J337AZKCATT	三星W21 5G SM-W2021 (China Telecom edition)
Country or region available	USA	China
Brand	Samsung	Samsung
Release date	6/1/2018	11/1/2020
Depth	9 millimeters (0.35 inches)	6.9 millimeters (0.27 inches)
Size (width x height)	70.2 x 142.8 millimeters (2.76 x 5.62 in)	128.2 x 159.2 millimeters (5.05 x 6.27 in)
Weight	152 grams (5.32 ounces)	282 grams (9.87 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, flexible plastic screen, glass back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Display type	TFT IPS LCD	Flexible Super AMOLED
Screen size	5" inches	7.6" inches
Screen-to-body ratio	~68.8% (screen-to-body ratio)	~89.1% (screen-to-body ratio)
Display resolution	720x1280 pixels	1768x2208 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	294 PPI	372 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	HDR10+ Extra display: Super AMOLED 6.23" (816x2260) Gorilla Glass Victus
🤖 Operating System
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
System version	Android 8.0 Oreo	Android 10
Firmware update	feature not registered	Android 13
User Interface	feature not registered	One UI 3.1 / 4.1 / 5.0
⚙️ Processor
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Chipset	64bit: Samsung Exynos 7570 (14nm)	64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)
CPU	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core)	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)
GPU graphical controller	ARM Mali-T720 MP1 (830MHz)	Qualcomm Adreno 650 (250-646MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
RAM memory	2GB LPDDR3	12GB LPDDR5
Internal storage	16GB (9GB available) eMMC 5.0	512GB (455GB available) UFS 3.1
External storage	Until 512GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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 850/1700/1900	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (Bands 2, 3, 4, 5, 7, 12, 14)	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
Primary 5G network	Not supported	Sub6 (1, 28, 41, 78, 79)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	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
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Back camera (main camera)	8 megapixels	(triple camera) 12.2 megapixels 12MP telephoto f/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom 12MP ultrawide f/2.2123°12mm1.12µm
Main camera resolution	3264x2448 pixels	4032x3024 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash	LED flash
Focal aperture	f/1.9 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/1.76" inches
Pixel size	feature not registered	1.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo only main camera	HDR photo/video on both cameras
Camera extras	feature not registered	Cover camera: 10MP (f/2.2) 4K@30/60fps 1080p@60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)
📸 Front camera
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Front camera (secondary)	5 megapixels	10 megapixels
Front camera resolution	2560x1920 pixels	3872x2592 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/3" inches
Pixel size	feature not registered	1.22µm pixel
🔉 Sound and multimedia
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Loudspeaker	Supported	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, 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
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
USB	MicroUSB 2.0	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Sensors	Accelerometer Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2600 mAh	4500 mAh
Charger, watts	Wired charging	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	11W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging
Talk time autonomy	feature not registered	31 hours (1.3 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
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: Black	• Colors: Gold • Bixby • Samsung Wireless DeX • Samsung Pay (MST, NFC)
☢️ Radiation rate
	Galaxy Express Prime 3 (SM-J337A)	Samsung W21 5G
SAR 1.6W/kg (USA, Mexico, etc.)	1.22W/kg (head), 1.56W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.859W/kg (head), 1.453W/kg (body)

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Samsung Galaxy Express Prime 3 (SM-J337A) vs Samsung W21 5G

Side by side comparison between Samsung Galaxy Express Prime 3 vs Samsung W21 5G phones, differences, pros, cons and full specifications. What's the better?

What's the better phone? Samsung W21 5G

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate