Xiaomi 15 (China 1TB/16GB) vs Samsung Galaxy M21s (SM-F415F/DS)

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Side by side comparison between Xiaomi 15 vs Samsung Galaxy M21s phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 6:05 PM, updated: 5/20/2025 6:20 PM

Compare Samsung Galaxy M21s X Xiaomi 15 (China 1TB/16GB) 33Points

Specifications Compare Models Pictures

6.36"
AMOLED

1200x2670

50
MP

32mp

16GB
RAM

Octa-core

5400
mAh

(Non removable)

06Points Samsung Galaxy M21s (SM-F415F/DS) Compare Xiaomi 15 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? Xiaomi 15 (China 1TB/16GB)

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!

33 Advantages Xiaomi 15 (China 1TB/16GB)	vs	6 Advantages Samsung Galaxy M21s (SM-F415F/DS)
+4.32GHz 64bit Octa-core (3nm)142% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (10nm)
+16GB LPDDR5X3 times More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+1TB (964GB available)19 times More internal storage for applications and files	vs	64GB (49GB available)
+UFS 4.0Advantage Fastest write and read storage.	vs	UFS 2.1
+8.4 millimeters (0.33 inches)6% Thinner	vs	8.9 millimeters (0.35 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+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
+68 billion4249 times More colors on the screen is better quality images and videos	vs	16 million
+1200x2670 pixels27% Higher resolution screen	vs	1080x2340 pixels
+460 PPI14% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	403 PPI
+(triple camera) 50MP + 50MP + 50MP95% Higher resolution main camera	vs	(triple camera) 64MP + 8MP + 5MP
+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
+1/1.31" inches31% The larger sensor camera lets you take photos with better depth.	vs	1/1.72" inches
+f/1.6 (aperture)13% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.8 (aperture)
+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera	vs	4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 15Advantage Android 15 is newer and safer	vs	Android 12
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	4G LTE-A
+(5G Sub6) 3000 Mbps9 times Faster for surfing the internet and download files	vs	(4G LTE-A) 300 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+90W5 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 charging (Qi/WPC)Advantage Wireless charging is another way to charge the battery.	vs	Not supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (dedicated slot)
+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+6.0 + A2DP/LEAdvantage Bluetooth 6.0 + 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
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C reversible connector
+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
192 grams (6.72 ounces)	vs	+191 grams (6.69 ounces)1% Lighter
6.36"	vs	+6.4"1% Larger screen
5400 mAh	vs	+6000 mAh11% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general

21 Common items in both devices

LTPO AMOLED / Super AMOLED

PDAF: phase detection autofocus

BSI sensor

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

(front) 32MP

Capacitive

Multitouch

+14 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 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Change model
Model	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Other model names	Xiaomi 15 24129PN74C	Galaxy M21s SM-F415F/Dual-Sim (4GB RAM)
Country or region available	China	(Latin America), Brazil
Brand	Xiaomi	Samsung
Release date	10/29/2024	11/6/2020
Depth	8.4 millimeters (0.33 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	71.2 x 152.3 millimeters (2.8 x 6 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	192 grams (6.72 ounces)	191 grams (6.69 ounces)
Build, materials	Aluminum body, glass front	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 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Display type	LTPO AMOLED	Super AMOLED
Screen size	6.36" inches	6.4" inches
Screen-to-body ratio	~90% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	1200x2670 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	460 PPI	403 PPI
Colors	68 billion	16 million
Scratch-resistant glass	Dragon Crystal Glass	Gorilla Glass 3
Refresh rate	120Hz	60Hz
Display features	3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz	420nits[peak]
🤖 Operating System
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
System version	Android 15	Android 10
Firmware update	feature not registered	Android 12
User Interface	HyperOS 2	One UI 2.5 / 3.1 / 4.1
⚙️ Processor
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Chipset	64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)	64bit: Samsung Exynos 9611 (10nm)
CPU	Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (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	Qualcomm Adreno 830 (1100MHz)	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	AnTuTu: 2534643 (v10) Geekbench: 9419 (v6)	feature not registered
💽 Memory and storage
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
RAM memory	16GB LPDDR5X	4GB LPDDR4X
Internal storage	1TB (964GB available) UFS 4.0	64GB (49GB available) UFS 2.1
External storage	Not supported	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/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) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	3000/1024 Mbps	300/50 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 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE	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	SA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	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	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE	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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Back camera (main camera)	(triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm	(triple camera) 64 megapixels 8MP ultrawide f/2.2123°12mm1/4"1.12µm 5MP depth f/2.2
Main camera resolution	8160x6120 pixels	10120x6328 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.6 (aperture)	f/1.8 (aperture)
Focal length	23mm (lens)	26mm (lens)
Sensor size	1/1.31" inches	1/1.72" inches
Pixel size	1.2µm 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	Supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux	4K@30fps 1080p@30fps
📸 Front camera
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Front camera (secondary)	32 megapixels	32 megapixels
Front camera resolution	6528x4896 pixels	6528x4896 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	21mm (lens)	26mm (lens)
Sensor size	1/3.14" inches	1/2.8" inches
Pixel size	0.7µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Loudspeaker	Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res	Mono sound (not stereo)
Active noise cancellation	4 microphones	2 microphones or more
Radio	Not supported	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
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	6.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + 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, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
Battery type	Li-Si: lithium-silicon (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5400 mAh	6000 mAh
Charger, watts	90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0	15W Wired fast charging
Inductive / wireless charging	50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging	Not supported
Talk time autonomy	feature not registered	48 hours (2 days)
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi 15 (China 1TB/16GB)	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: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI	• Colors: Black, Blue
☢️ Radiation rate
	Xiaomi 15 (China 1TB/16GB)	Galaxy M21s (SM-F415F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.383W/kg (head)
SAR 2W/kg (Europe, UK, etc.)	0.99W/kg (head), 1W/kg (body)	feature not registered