Xiaomi Redmi Note 3 (MTK 32GB) vs Samsung Galaxy A21s (SM-A217F)

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Side by side comparison between Xiaomi Redmi Note 3 vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

7/15/2020 12:38 AM, updated: 7/6/2022 7:26 AM

Compare Samsung Galaxy A21s X Xiaomi Redmi Note 3 (MTK 32GB) 10Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

5mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

16Points Samsung Galaxy A21s (SM-A217F) Compare Xiaomi Redmi Note 3 X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

48
MP

13mp

3GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21s (SM-A217F)

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 Xiaomi Redmi Note 3 (MTK 32GB)	vs	16 Advantages Samsung Galaxy A21s (SM-A217F)
+32GB (26GB available)37% More internal storage for applications and files	vs	32GB (19GB available)
+164 grams (5.74 ounces)17% Lighter	vs	192 grams (6.72 ounces)
+8.7 millimeters (0.34 inches)2% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT PLS
+1080x1920 pixels80% Higher resolution screen	vs	720x1600 pixels
+401 PPI49% 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
+Ambient light sensorAdvantage Sensors help you use the device	vs	Virtual ambient light sensor
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
2GHz 64bit Octa-core	vs	+2GHz 64bit Octa-core (8nm)2% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+3GB LPDDR4XAdvantage This RAM type is better and more efficient.
eMMC 5.0	vs	+eMMC 5.1Advantage Fastest write and read storage.
Not supported	vs	+Until 512GB microSD, microSDXCAdvantage More external storage for files using memory cards
5.5"	vs	+6.5"18% Larger screen
(back) 13MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP4 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
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.
(front) 5MP	vs	+(front) 13MP154% Higher resolution secondary camera to take pictures and selfies
Android 5.0.2 Lollipop	vs	+Android 12Advantage Android 12 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
4000 mAh	vs	+5000 mAh25% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+15W50% 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.
4.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.

25 Common items in both devices

16 million

Only digital zoom

PDAF: phase detection autofocus

EIS: Digital stabilization

Full HD (1920x1080)

(front) Full HD (1920x1080)

4G LTE / 4G LTE-A

+18 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 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Change model		Choose the model
Model	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Other model names	Redmi Note 3 (MediaTek Octa), Xiaomi Hongmi Note 3 (2015617)	Galaxy A21s SM-A217F Single-Sim (32GB + 3GB RAM)
Country or region available	China	South Africa, Australia, New Zealand
Brand	Xiaomi	Samsung
Release date	11/27/2015	6/2/2020, Announced: 5/15/2020
Depth	8.7 millimeters (0.34 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	76 x 150 millimeters (2.99 x 5.91 in)	75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight	164 grams (5.74 ounces)	192 grams (6.72 ounces)
Build, materials	Aluminum body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Display type	TFT IPS LCD	TFT PLS
Screen size	5.5" inches	6.5" inches
Screen-to-body ratio	~73.2% (screen-to-body ratio)	~82.8% (screen-to-body ratio)
Display resolution	1080x1920 pixels	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
System version	Android 5.0.2 Lollipop	Android 10
Firmware update	feature not registered	Android 12
User Interface	feature not registered	One UI 2.0 / 3.1 / 4.1
⚙️ Processor
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Chipset	64bit: MediaTek MT6795 Helio X10 (28nm)	64bit: Samsung Exynos 850 (8nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controller	PowerVR G6200 MP4 700Mhz	ARM Mali-G52 MP1
Performance (benchmark)	feature not registered	AnTuTu: 107157 (v8) Geekbench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen)
💽 Memory and storage
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
RAM memory	3GB LPDDR3	3GB LPDDR4X
Internal storage	32GB (26GB available) eMMC 5.0	32GB (19GB available) eMMC 5.1
External storage	Not supported	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	300/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Tri-Band 900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	2015611 version: UMTS 850/900/1900/2100 2015617 version: TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 2015611 version: TD-LTE (Bands 38, 39, 40, 41) 2015617 version: LTE (Bands 1, 3, 7) TD-LTE (Bands 38, 39, 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 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
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Back camera (main camera)	13 megapixels	(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	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 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	feature not registered	1/2" inches
Pixel size	feature not registered	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 only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Front camera (secondary)	5 megapixels	13 megapixels
Front camera resolution	2592x1944 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/3.1" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.1 + A2DP	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	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	5000 mAh
Charger, watts	10W Wired charging	15W (9V/1.67A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	25 hours (1 days)	feature not registered
Standby	264 hours (11 days)	feature not registered
➕ Other features
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
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: Silver, Gray, Gold • Xiaomi MIUI 7.0	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Redmi Note 3 (MTK 32GB)	Galaxy A21s (SM-A217F)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.422W/kg (head), 1.544W/kg (body)