Realme 7 (128GB) vs Samsung Galaxy M21s (SM-F415F/DS)

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Side by side comparison between Realme 7 vs Samsung Galaxy M21s phones, differences, pros, cons and full specifications. What's the better?

11/25/2020 11:20 AM, updated: 1/18/2023 4:22 AM

Compare Samsung Galaxy M21s X Realme 7 (128GB) 08Points

Specifications Compare Models Pictures

6.4"
IPS

1800x2400

64
MP

16mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

09Points Samsung Galaxy M21s (SM-F415F/DS) Compare Realme 7 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 M21s (SM-F415F/DS)

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!

8 Advantages Realme 7 (128GB)	vs	9 Advantages Samsung Galaxy M21s (SM-F415F/DS)
+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+128GB (104GB available)112% More internal storage for applications and files	vs	64GB (49GB available)
+90Hz50% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1800x2400 pixels71% Higher resolution screen	vs	1080x2340 pixels
+469 PPI16% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	403 PPI
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+30W100% 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	15W
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
2.05GHz 64bit Octa-core (12nm)	vs	+2.3GHz 64bit Octa-core (10nm)2% More powerful processor, you can open your applications faster
196 grams (6.86 ounces)	vs	+191 grams (6.69 ounces)3% Lighter
9.4 millimeters (0.37 inches)	vs	+8.9 millimeters (0.35 inches)6% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
(quad camera) 64MP + 8MP + 2MP + 2MP	vs	+(triple camera) 64MP + 8MP + 5MP1% Higher resolution main camera
1/1.73" inches	vs	+1/1.72" inches1% The larger sensor camera lets you take photos with better depth.
(front) 16MP	vs	+(front) 32MP101% Higher resolution secondary camera to take pictures and selfies
Android 10	vs	+Android 12Advantage Android 12 is newer and safer
5000 mAh	vs	+6000 mAh20% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

33 Common items in both devices

UFS 2.1

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

Plastic body, glass front

16 million

6.4"

LED flash

Only digital zoom

+26 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
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Change model
Model	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Other model names	Realme 7 RMX2151 (128GB+8GB RAM)	Galaxy M21s SM-F415F/Dual-Sim (4GB RAM)
Country or region available	(Global, International), Indonesia	(Latin America), Brazil
Brand	Realme	Samsung
Release date	9/10/2020	11/6/2020
Depth	9.4 millimeters (0.37 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	75.4 x 162.3 millimeters (2.97 x 6.39 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	196 grams (6.86 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
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Display type	TFT IPS LCD	Super AMOLED
Screen size	6.4" inches	6.4" inches
Screen-to-body ratio	~103.7% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	1800x2400 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	469 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	90Hz	60Hz
Display features	480nits[typ]	420nits[peak]
🤖 Operating System
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
System version	Android 10	Android 10
Firmware update	feature not registered	Android 12
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1
⚙️ Processor
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Chipset	64bit: MediaTek Helio G95 (MT6785V) (12nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 2x 2.05GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (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	ARM Mali-G76 MC4 (900MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
RAM memory	8GB LPDDR4X	4GB LPDDR4X
Internal storage	128GB (104GB available) UFS 2.1	64GB (49GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated 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	300/150 Mbps	300/50 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 850/900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (1, 3, 5, 8) TD-LTE (38, 40, 41)	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	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Back camera (main camera)	(quad camera) 64 megapixels 8MP ultrawide f/2.3119°16mm1/4.0"1.12µm 2MP macro f/2.4 2MP 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	10120x6328 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	26mm lens	26mm lens
Sensor size	1/1.73" 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	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30fps
📸 Front camera
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Front camera (secondary)	16 megapixels	32 megapixels
Front camera resolution	4608x3456 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.1 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/3.1" inches	1/2.8" inches
Pixel size	1µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Loudspeaker	Supported	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
	Realme 7 (128GB)	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, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Realme 7 (128GB)	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	30W (5V/6A) Wired fast charging	15W Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	48 hours (2 days)
Standby	feature not registered	feature not registered
➕ Other features
	Realme 7 (128GB)	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: Mist Blue, Mist White • Realme UI • Sony IMX682 sensor camera • Superb Carbon Fiber Cooling System • TÜV Rheinland Verified	• Colors: Black, Blue
☢️ Radiation rate
	Realme 7 (128GB)	Galaxy M21s (SM-F415F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	0.99W/kg (head), 0.93W/kg (body)	0.383W/kg (head)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered