Xiaomi Redmi Note 7 (12MP 64GB) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)

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Side by side comparison between Xiaomi Redmi Note 7 vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

7/14/2020 10:56 PM, updated: 3/21/2023 4:04 AM

Compare Samsung Galaxy A21s X Xiaomi Redmi Note 7 (12MP 64GB) 11Points

Specifications Compare Models Pictures

6.3"
IPS

1080x2340

12
MP

13mp

4GB
RAM

Octa-core

4000
mAh

(Non removable)

09Points Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB) Compare Xiaomi Redmi Note 7 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 7 (12MP 64GB)

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!

11 Advantages Xiaomi Redmi Note 7 (12MP 64GB)	vs	9 Advantages Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
+2.2GHz 64bit Octa-core (14nm)3% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (8nm)
+186 grams (6.51 ounces)3% Lighter	vs	192 grams (6.72 ounces)
+8.1 millimeters (0.32 inches)10% Thinner	vs	8.9 millimeters (0.35 inches)
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT PLS
+1080x2340 pixels119% Higher resolution screen	vs	720x1600 pixels
+409 PPI51% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+(4G LTE-A) 450 Mbps50% Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+18W20% 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
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
6.3"	vs	+6.5"3% Larger screen
(dual camera) 12MP + 2MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP3 times Higher resolution main camera
1/2.9" inches	vs	+1/2" inches45% The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)	vs	+f/2.0 (aperture)10% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Android 10	vs	+Android 12Advantage Android 12 is newer and safer
4000 mAh	vs	+5000 mAh25% 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	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

31 Common items in both devices

4GB LPDDR4X

64GB (51GB available) / 64GB (48GB available)

eMMC 5.1

Plastic body, glass front/back / Plastic body, glass front

60Hz

16 million

Only digital zoom

+24 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
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Change model		Choose the model
Model	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Other model names	Xiaomi Note 7 M1901F7H, M1901F7I, Xiaomi Lavender	Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 4GB RAM)
Country or region available	India	(Europe), Spain, Greece, Israel, Portugal, Taiwan
Brand	Xiaomi	Samsung
Release date	3/13/2019, Announced: 1/10/2019	6/2/2020, Announced: 5/15/2020
Depth	8.1 millimeters (0.32 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	75.21 x 159.21 millimeters (2.96 x 6.27 in)	75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight	186 grams (6.51 ounces)	192 grams (6.72 ounces)
Build, materials	Plastic body, glass front/back Back: Gorilla Glass 5	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Display type	TFT IPS LCD	TFT PLS
Screen size	6.3" inches	6.5" inches
Screen-to-body ratio	~81.4% (screen-to-body ratio)	~82.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	409 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
System version	Android 9.0 Pie	Android 10
Firmware update	Android 10	Android 12
User Interface	MIUI 10 / 11 / 12	One UI 2.0 / 3.1 / 4.1
⚙️ Processor
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Chipset	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)	64bit: Samsung Exynos 850 (8nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controller	Qualcomm Adreno 512 (650MHz)	ARM Mali-G52 MP1
Performance (benchmark)	AnTuTu: 139075 (v7) Geekbench: 5411 (v4.4) GFXBench: 7.7fps (ES 3.1 onscreen)	AnTuTu: 124232 (v8)
💽 Memory and storage
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
RAM memory	4GB LPDDR4X	4GB LPDDR4X
Internal storage	64GB (51GB available) eMMC 5.1	64GB (48GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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	450/50 Mbps	300/150 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	M1901F7H version: UMTS 850/900/1700/1900/2100 M1901F7I version: UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat9 VoLTE M1901F7H version: LTE (1, 2, 3, 4, 5, 7, 28) TD-LTE (38, 40, 41) M1901F7I version: LTE (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41)	LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
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	M1901F7H version: UMTS 850/900/1700/1900/2100 M1901F7I version: UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Secondary 4G network	LTE Cat9 VoLTE M1901F7H version: LTE (1, 2, 3, 4, 5, 7, 28) TD-LTE (38, 40, 41) M1901F7I version: LTE (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41)	LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Back camera (main camera)	(dual camera) 12 megapixels 2MP depth f/2.4	(quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	4000x3000 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 60 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	1/2.9" inches	1/2" inches
Pixel size	1.25µm 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	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	1080p@30/60fps 1080p@120fps (slow motion)	feature not registered
📸 Front camera
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Front camera (secondary)	13 megapixels	13 megapixels
Front camera resolution	4128x3096 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3.1" inches
Pixel size	1.12µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Loudspeaker	Mono sound (not stereo)	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	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
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	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	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	5000 mAh
Charger, watts	18W Wired fast charging Quick Charge 4	15W (9V/1.67A) Wired fast charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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: Space black, Nebula red, Neptune blue	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Redmi Note 7 (12MP 64GB)	Galaxy A21s (SM-A217F/DSN 64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.962W/kg (head), 0.838W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.422W/kg (head), 1.544W/kg (body)