Samsung Galaxy Mega 2 Duos (SM-G7508Q) vs Samsung Galaxy A21 (SM-A215W)

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Side by side comparison between Samsung Galaxy Mega 2 vs Samsung Galaxy A21 phones, differences, pros, cons and full specifications. What's the better?

2/21/2023 5:35 PM, updated: 2/21/2023 5:35 PM

Compare Samsung Galaxy A21 X Samsung Galaxy Mega 2 Duos (SM-G7508Q) 02Points

Specifications Compare Models Pictures

6"
TFT

720x1280

8
MP

2.1mp

1.5GB
RAM

Quad-core

2800
mAh

(Removable)

24Points Samsung Galaxy A21 (SM-A215W) Compare Samsung Galaxy Mega 2 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21 (SM-A215W)

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!

2 Advantages Samsung Galaxy Mega 2 Duos (SM-G7508Q)	vs	24 Advantages Samsung Galaxy A21 (SM-A215W)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
1.2GHz 64bit Quad-core (28nm)	vs	+2.3GHz 64bit Octa-core (12nm)121% More powerful processor, you can open your applications faster
1.5GB LPDDR2	vs	+3GB LPDDR3100% More RAM memory. Typically more responsive and better for multitasking.
8GB (5GB available)	vs	+32GB (20GB available)3 times More internal storage for applications and files
eMMC 4.5	vs	+eMMC 5.1Advantage Fastest write and read storage.
Until 64GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC7 times More external storage for files using memory cards
194 grams (6.79 ounces)	vs	+193 grams (6.76 ounces)1% Lighter
8.6 millimeters (0.34 inches)	vs	+8.1 millimeters (0.32 inches)6% Thinner
TFT LCD	vs	+TFT PLSAdvantage TFT PLS display is brighter and more vivid
720x1280 pixels	vs	+720x1600 pixels25% Higher resolution screen
245 PPI	vs	+270 PPI10% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6"	vs	+6.5"8% Larger screen
(back) 8MP	vs	+(quad camera) 16MP + 8MP + 2MP + 2MP2 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 2.1MP	vs	+(front) 13MP5 times Higher resolution secondary camera to take pictures and selfies
Android 4.4.4 KitKat	vs	+Android 10Advantage Android 10 is newer and safer
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2800 mAh	vs	+4000 mAh43% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
7.75W	vs	+15W94% 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.
802.11 a/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
4.0 + 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	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

22 Common items in both devices

Plastic body, glass front

60Hz

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

+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
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Change model		Choose the model
Model	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Other model names	Galaxy Mega 2 LTE G7508Q, Samsung Vasta	Galaxy A21 SM-A215WZKAXAC (Bell Mobility)
Country or region available	China, Hong Kong	Canada
Brand	Samsung	Samsung
Release date	9/1/2014	6/26/2020
Depth	8.6 millimeters (0.34 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	84.9 x 163.6 millimeters (3.34 x 6.44 in)	76.7 x 167.8 millimeters (3.02 x 6.61 in)
Weight	194 grams (6.79 ounces)	193 grams (6.76 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Display type	TFT LCD	TFT PLS
Screen size	6" inches	6.5" inches
Screen-to-body ratio	~71.5% (screen-to-body ratio)	~79.3% (screen-to-body ratio)
Display resolution	720x1280 pixels (16:9)	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch 5-points	Capacitive Multitouch
Pixel density (dot pitch)	245 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
System version	Android 4.4.4 KitKat	Android 10
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Chipset	64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm)	64bit: MediaTek Helio P35 (MT6765) (12nm)
CPU	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 306 (400MHz)	PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
RAM memory	1.5GB LPDDR2	3GB LPDDR3
Internal storage	8GB (5GB available) eMMC 4.5	32GB (20GB available) eMMC 5.1
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	150/50 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	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (1, 3, 7) TD-LTE (38, 39, 40, 41)	LTE Cat4 (1, 2, 3, 4, 5, 7, 12, 13, 17, 20, 66, 71) TD-LTE (38, 40, 41) VoLTE
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
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Back camera (main camera)	8 megapixels	(quad camera) 16 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	3264x2448 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3.06" inches
Pixel size	feature not registered	1µm pixel
Autofocus	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 only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Front camera (secondary)	2.1 megapixels	13 megapixels
Front camera resolution	1920x1080 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
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	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) 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	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2800 mAh	4000 mAh
Charger, watts	7.75W (5V/1.55A) Wired charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	22 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
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: White, Black • S Pen support • Java framework	• Colors: Black • One UI 2.0
☢️ Radiation rate
	Galaxy Mega 2 Duos (SM-G7508Q)	Galaxy A21 (SM-A215W)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.6W/kg (head), 1.27W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered