Samsung Galaxy M42 (SM-M426B/DS 128GB/6GB) vs Samsung Galaxy M21s (SM-F415F/DS)

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Side by side comparison between Samsung Galaxy M42 vs Samsung Galaxy M21s phones, differences, pros, cons and full specifications. What's the better?

6/14/2021 7:48 AM, updated: 1/18/2023 4:22 AM

Compare Samsung Galaxy M21s X Samsung Galaxy M42 (SM-M426B/DS 128GB/6GB) 10Points

Specifications Compare Models Pictures

6.6"
AMOLED

720x1600

48
MP

20mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

09Points Samsung Galaxy M21s (SM-F415F/DS) Compare Samsung Galaxy M42 X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

4GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M42 (SM-M426B/DS 128GB/6GB)

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!

10 Advantages Samsung Galaxy M42 (SM-M426B/DS 128GB/6GB)	vs	9 Advantages Samsung Galaxy M21s (SM-F415F/DS)
+2.2GHz 64bit Octa-core (8nm)23% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+128GB (103GB available)110% More internal storage for applications and files	vs	64GB (49GB available)
+8.6 millimeters (0.34 inches)3% Thinner	vs	8.9 millimeters (0.35 inches)
+6.6"3% Larger screen	vs	6.4"
+(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 12
+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
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
193 grams (6.76 ounces)	vs	+191 grams (6.69 ounces)1% Lighter
720x1600 pixels	vs	+1080x2340 pixels119% Higher resolution screen
266 PPI	vs	+403 PPI52% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 48MP + 8MP + 5MP + 5MP	vs	+(triple camera) 64MP + 8MP + 5MP17% Higher resolution main camera
1/2" inches	vs	+1/1.72" inches16% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 32MP61% Higher resolution secondary camera to take pictures and selfies
5000 mAh	vs	+6000 mAh20% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

32 Common items in both devices

UFS 2.1

Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC

Plastic body, glass front

Super AMOLED

60Hz

16 million

LED flash

+25 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 M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Change model
Model	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Other model names	Galaxy M42 5G SM-M426B/Dual-SIM (6GB RAM)	Galaxy M21s SM-F415F/Dual-Sim (4GB RAM)
Country or region available	India	(Latin America), Brazil
Brand	Samsung	Samsung
Release date	5/1/2021, Announced: 4/28/2021	11/6/2020
Depth	8.6 millimeters (0.34 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	75.9 x 164.4 millimeters (2.99 x 6.47 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	193 grams (6.76 ounces)	191 grams (6.69 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Display type	Super AMOLED	Super AMOLED
Screen size	6.6" inches	6.4" inches
Screen-to-body ratio	~84.3% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	720x1600 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	266 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	Not supported	420nits[peak]
🤖 Operating System
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
System version	Android 11	Android 10
Firmware update	Android 13	Android 12
User Interface	One UI 3.1 / 4.1 / 5.0	One UI 2.5 / 3.1 / 4.1
⚙️ Processor
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Chipset	64bit: Qualcomm Snapdragon 750G (SM7225) (8nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 570 (Dual-core) 6x 1.8GHz Kryo 570 (Hexa-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 619 (800MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
RAM memory	6GB LPDDR4X	4GB LPDDR4X
Internal storage	128GB (103GB available) UFS 2.1	64GB (49GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28) TD-LTE (38, 40, 41) VoLTE	LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78)	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	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28) TD-LTE (38, 40, 41) VoLTE	LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Secondary 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
📷 Camera
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Back camera (main camera)	(quad camera) 48 megapixels 8MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4	(triple camera) 64 megapixels 8MP ultrawide f/2.2123°12mm1/4"1.12µm 5MP depth f/2.2
Main camera resolution	8000x6000 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/2" inches	1/1.72" inches
Pixel size	0.8µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection 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	Supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30fps
📸 Front camera
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Front camera (secondary)	20 megapixels	32 megapixels
Front camera resolution	5184x3840 pixels	6528x4896 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	feature not registered	26mm lens
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
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
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO 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, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Virtual proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	6000 mAh
Charger, watts	15W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	36 hours (1.5 days)	48 hours (2 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
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: Prism Dot Black, Gray • Samsung Pay	• Colors: Black, Blue
☢️ Radiation rate
	Galaxy M42 (SM-M426B/DS 128GB/6GB)	Galaxy M21s (SM-F415F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	0.689W/kg (head)	0.383W/kg (head)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered