Xiaomi Mi 11 Ultra (256GB/12GB) vs Samsung Galaxy A21s (SM-A217M/DS)

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Side by side comparison between Xiaomi Mi 11 Ultra vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

4/3/2021 6:21 PM, updated: 7/6/2022 7:26 AM

Compare Samsung Galaxy A21s X Xiaomi Mi 11 Ultra (256GB/12GB) 32Points

Specifications Compare Models Pictures

6.81"
AMOLED

1440x3200

50
MP

20mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

05Points Samsung Galaxy A21s (SM-A217M/DS) Compare Xiaomi Mi 11 Ultra 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 Mi 11 Ultra (256GB/12GB)

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!

32 Advantages Xiaomi Mi 11 Ultra (256GB/12GB)	vs	5 Advantages Samsung Galaxy A21s (SM-A217M/DS)
+2.84GHz 64bit Octa-core (5nm)47% More powerful processor, you can open your applications faster	vs	2GHz 64bit Octa-core (8nm)
+12GB LPDDR52 times More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+256GB (230GB available)4 times More internal storage for applications and files	vs	64GB (48GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+8.38 millimeters (0.33 inches)6% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum body, glass front, ceramic backAdvantage More resistant material	vs	Plastic body, glass front
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT PLS
+Dolby Vision/HDR10+Advantage The Dolby Vision/HDR10+ display provides vibrant colors and more details	vs	Not supported
+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1 billion62 times More colors on the screen is better quality images and videos	vs	16 million
+1440x3200 pixels3 times Higher resolution screen	vs	720x1600 pixels
+515 PPI91% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+6.81"5% Larger screen	vs	6.5"
+(triple camera) 50MP + 48MP + 48MP143% Higher resolution main camera	vs	(quad camera) 48MP + 8MP + 2MP + 2MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+1/1.12" inches79% The larger sensor camera lets you take photos with better depth.	vs	1/2" inches
+(front) 20MP56% Higher resolution secondary camera to take pictures and selfies	vs	(front) 13MP
+8K UHD (7680x4320)15 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 3500 Mbps11 times 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
+67W3 times 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
+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.	vs	Not supported
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 512GB microSD, microSDXCAdvantage More external storage for files using memory cards
234 grams (8.19 ounces)	vs	+192 grams (6.72 ounces)22% Lighter
Android 11	vs	+Android 12Advantage Android 12 is newer and safer
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

17 Common items in both devices

PDAF: phase detection autofocus

HDR photo/video on both cameras / HDR photo on both cameras

f/2.0 (aperture)

Capacitive

Multitouch

Accelerometer

Compass

+10 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
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Change model		Choose the model
Model	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Other model names	Xiaomi Mi 11 Ultra (256GB + 12GB RAM)	Galaxy A21s SM-A217M/Dual-Sim (64GB + 4GB RAM)
Country or region available	(Global, International)	(Latin America), Brazil, Chile, Colombia
Brand	Xiaomi	Samsung
Release date	4/2/2021, Announced: 3/29/2021	6/2/2020, Announced: 5/15/2020
Depth	8.38 millimeters (0.33 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.6 x 164.3 millimeters (2.94 x 6.47 in)	75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight	234 grams (8.19 ounces)	192 grams (6.72 ounces)
Build, materials	Aluminum body, glass front, ceramic back	Plastic body, glass front
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Display type	AMOLED	TFT PLS
Screen size	6.81" inches	6.5" inches
Screen-to-body ratio	~91.4% (screen-to-body ratio)	~82.8% (screen-to-body ratio)
Display resolution	1440x3200 pixels (20:9)	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	515 PPI	270 PPI
Colors	1 billion	16 million
Scratch-resistant glass	Gorilla Glass Victus	Not supported
Refresh rate	120Hz	60Hz
Display features	1700nits[peak] Dolby Vision/HDR10+	Not supported
🤖 Operating System
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
System version	Android 11	Android 10
Firmware update	feature not registered	Android 12
User Interface	feature not registered	One UI 2.0 / 3.1 / 4.1
⚙️ Processor
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Chipset	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)	64bit: Samsung Exynos 850 (8nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	ARM Mali-G52 MP1
Performance (benchmark)	feature not registered	AnTuTu: 124232 (v8)
💽 Memory and storage
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
RAM memory	12GB LPDDR5	4GB LPDDR4X
Internal storage	256GB (230GB available) UFS 3.1	64GB (48GB available) eMMC 5.1
External storage	Not supported	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	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	3500/1024 Mbps	300/150 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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66) TD-LTE (38, 40, 41, 42) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42)	LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41)
Primary 5G network	Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79) China version: SA/NSA (1, 3, 28, 41, 77, 78, 79)	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat7/13 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 66) TD-LTE (38, 40, 41)
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Back camera (main camera)	(triple camera) 50 megapixels 48MP periscope telephoto f/4.1120mm1/2.0"0.8µmPDAFOIS5x-optical-zoom 48MP ultrawide f/2.212mm128°1/2.0"0.8µmPDAF	(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	8160x6120 pixels	8000x6000 pixels
Video recording (primary)	8K UHD (7680x4320) 24 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	24mm lens	26mm lens
Sensor size	1/1.12" inches	1/2" inches
Pixel size	1.4µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Front camera (secondary)	20 megapixels	13 megapixels
Front camera resolution	5184x3840 pixels	4128x3096 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	27mm lens	feature not registered
Sensor size	1/3.4" inches	1/3.1" inches
Pixel size	0.8µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	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
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.2 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	5000 mAh
Charger, watts	67W Wired fast charging Quick Charge 4+ USB Power Delivery 3.0	15W (9V/1.67A) Wired fast charging
Inductive / wireless charging	67W Qi wireless charging 10W Reverse wireless charging	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/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: Ceramic black, Ceramic white • MIUI 12.5 • Screen protector included • Protective case included • 24-bit/192kHz audio • Tuned by Harman Kardon • Secondary 1.1" AMOLED display next to the rear camera	• Colors: Black, White, Blue, Red
☢️ Radiation rate
	Xiaomi Mi 11 Ultra (256GB/12GB)	Galaxy A21s (SM-A217M/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.54W/kg (head), 1.14W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered