Samsung W21 5G vs Xiaomi Mi 4i

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Side by side comparison between Samsung W21 5G vs Xiaomi Mi 4i phones, differences, pros, cons and full specifications. What's the better?

5/14/2021 6:50 AM, updated: 1/19/2023 3:12 PM

Compare Xiaomi Mi 4i X Samsung W21 5G 29Points

Specifications Compare Models Pictures

7.6"
AMOLED

1768x2208

12.2
MP

10mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

05Points Xiaomi Mi 4i Compare Samsung W21 5G X

Specifications Compare Models Pictures

5"
IPS

1080x1920

13
MP

5mp

2GB
RAM

Octa-core

3120
mAh

(Non removable)

What's the better phone? Samsung W21 5G

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!

29 Advantages Samsung W21 5G	vs	5 Advantages Xiaomi Mi 4i
+3.09GHz 64bit Octa-core (7nm)83% More powerful processor, you can open your applications faster	vs	1.7GHz 64bit Octa-core
+12GB LPDDR55 times More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+512GB (455GB available)34 times More internal storage for applications and files	vs	16GB (13GB available)
+6.9 millimeters (0.27 inches)13% Thinner	vs	7.8 millimeters (0.31 inches)
+Flexible Super AMOLEDAdvantage Flexible Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1768x2208 pixels88% Higher resolution screen	vs	1080x1920 pixels
+7.6"52% Larger screen	vs	5"
+(triple camera) 12.2MP + 12MP + 12MP183% Higher resolution main camera	vs	(back) 13MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 10MP99% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+4K UHD (3840x2160)3 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)
+Android 13Advantage Android 13 is newer and safer	vs	Android 5.0.2 Lollipop
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 2000 Mbps12 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+ANT+Advantage Sensors help you use the device	vs	Not supported
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+4500 mAh44% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3120 mAh
+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
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.1 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	MicroUSB 2.0
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
282 grams (9.87 ounces)	vs	+130 grams (4.55 ounces)117% Lighter
372 PPI	vs	+441 PPI19% Crisper display of text, images and videos because it has more pixels per inch (ppi)
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Type-C reversible connector	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

18 Common items in both devices

16 million

PDAF: phase detection autofocus / Autofocus

Capacitive

Multitouch

Accelerometer

Ambient light sensor

Compass

+11 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
	Samsung W21 5G	Xiaomi Mi 4i
Change model
Model	W21 5G	Xiaomi Mi 4i
Other model names	三星W21 5G SM-W2021 (China Telecom edition)	Xiaomi Mi 4i Dual Sim LTE 16GB 2015015, Xiaomi Mi4i
Country or region available	China	feature not registered
Brand	Samsung	Xiaomi
Release date	11/1/2020	4/23/2015
Depth	6.9 millimeters (0.27 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	128.2 x 159.2 millimeters (5.05 x 6.27 in)	69.6 x 138.1 millimeters (2.74 x 5.44 in)
Weight	282 grams (9.87 ounces)	130 grams (4.55 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Samsung W21 5G	Xiaomi Mi 4i
Display type	Flexible Super AMOLED	TFT IPS LCD
Screen size	7.6" inches	5" inches
Screen-to-body ratio	~89.1% (screen-to-body ratio)	~71.7% (screen-to-body ratio)
Display resolution	1768x2208 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	372 PPI	441 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 3
Refresh rate	120Hz	feature not registered
Display features	HDR10+ Extra display: Super AMOLED 6.23" (816x2260) Gorilla Glass Victus	feature not registered
🤖 Operating System
	Samsung W21 5G	Xiaomi Mi 4i
System version	Android 10	Android 5.0.2 Lollipop
Firmware update	Android 13	feature not registered
User Interface	One UI 3.1 / 4.1 / 5.0	feature not registered
⚙️ Processor
	Samsung W21 5G	Xiaomi Mi 4i
Chipset	64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)	64bit: Qualcomm Snapdragon 615 MSM8939 (28nm)
CPU	Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)	Octa-core, 2 processors: 4x 1.7GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 650 (250-646MHz)	Qualcomm Adreno 405
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Samsung W21 5G	Xiaomi Mi 4i
RAM memory	12GB LPDDR5	2GB LPDDR3
Internal storage	512GB (455GB available) UFS 3.1	16GB (13GB available)
External storage	Not supported	Not supported
📶 Mobile networks
	Samsung W21 5G	Xiaomi Mi 4i
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF)
Maximum Download / Upload	2000/1024 Mbps	150/50 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 850/900/1900/2100	UMTS 850/1900/2100, TD-SCDMA 1900/2000
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat4 1800/2600 (Bands 3,7) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)
Primary 5G network	Sub6 (1, 28, 41, 78, 79)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE
📷 Camera
	Samsung W21 5G	Xiaomi Mi 4i
Back camera (main camera)	(triple camera) 12.2 megapixels 12MP telephoto f/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom 12MP ultrawide f/2.2123°12mm1.12µm	13 megapixels
Main camera resolution	4032x3024 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/1.76" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	feature not registered
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 only main camera
Camera extras	Cover camera: 10MP (f/2.2) 4K@30/60fps 1080p@60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)	feature not registered
📸 Front camera
	Samsung W21 5G	Xiaomi Mi 4i
Front camera (secondary)	10 megapixels	5 megapixels
Front camera resolution	3872x2592 pixels	2592x1944 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	feature not registered
Focal length	26mm (lens)	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1.22µm pixel	feature not registered
🔉 Sound and multimedia
	Samsung W21 5G	Xiaomi Mi 4i
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
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.264, H.263, DivX, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Samsung W21 5G	Xiaomi Mi 4i
USB	USB 3.2 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	4.1 + A2DP
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) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Samsung W21 5G	Xiaomi Mi 4i
Sensors	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Samsung W21 5G	Xiaomi Mi 4i
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4500 mAh	3120 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	Wired charging
Inductive / wireless charging	11W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	feature not registered
Talk time autonomy	31 hours (1.3 days)	35 hours (1.5 days)
Standby	feature not registered	feature not registered
➕ Other features
	Samsung W21 5G	Xiaomi Mi 4i
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Gold • Bixby • Samsung Wireless DeX • Samsung Pay (MST, NFC)	• Colors: Black, White, Yellow, Blue, Pink • MIUI 6 UI • Quick Charge: 40% in 60min • Miracast
☢️ Radiation rate
	Samsung W21 5G	Xiaomi Mi 4i
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.859W/kg (head), 1.453W/kg (body)	feature not registered

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Samsung W21 5G vs Xiaomi Mi 4i

Side by side comparison between Samsung W21 5G vs Xiaomi Mi 4i phones, differences, pros, cons and full specifications. What's the better?

What's the better phone? Samsung W21 5G

📱 Model features

📲 Display

🤖 Operating System

⚙️ Processor

💽 Memory and storage

📶 Mobile networks

📷 Camera

📸 Front camera

🔉 Sound and multimedia

🔌 Connectivity

🧭 Sensors

🔋 Battery

➕ Other features

☢️ Radiation rate