Xiaomi Mi 9T (128GB) vs Samsung Galaxy M51 (SM-M515F/DSN)

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Side by side comparison between Xiaomi Mi 9T vs Samsung Galaxy M51 phones, differences, pros, cons and full specifications. What's the better?

9/20/2020 9:58 PM, updated: 4/29/2021 1:39 AM

Compare Samsung Galaxy M51 X Xiaomi Mi 9T (128GB) 09Points

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

09Points Samsung Galaxy M51 (SM-M515F/DSN) Compare Xiaomi Mi 9T X

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

7000
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9T (128GB)

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!

9 Advantages Xiaomi Mi 9T (128GB)	vs	9 Advantages Samsung Galaxy M51 (SM-M515F/DSN)
+UFS 2.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+191 grams (6.69 ounces)12% Lighter	vs	213 grams (7.46 ounces)
+8.8 millimeters (0.35 inches)8% Thinner	vs	9.5 millimeters (0.37 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+HDR10Advantage The HDR10 display provides vibrant colors and more details	vs	Not supported
+403 PPI5% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	385 PPI
+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
+(4G LTE-A) 800 Mbps100% Faster for surfing the internet and download files	vs	(4G LTE-A) 400 Mbps
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
AMOLED	vs	+Super AMOLED PlusAdvantage Super AMOLED Plus display is brighter and more vivid
6.39"	vs	+6.7"5% Larger screen
(triple camera) 48MP + 8MP + 13MP	vs	+(quad camera) 64MP + 12MP + 5MP + 5MP25% Higher resolution main camera
1/2" inches	vs	+1/1.73" inches16% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 32MP61% Higher resolution secondary camera to take pictures and selfies
Android 10	vs	+Android 11Advantage Android 11 is newer and safer
4000 mAh	vs	+7000 mAh75% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+25W39% 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.

33 Common items in both devices

2.2GHz 64bit Octa-core (8nm)

6GB LPDDR4X

128GB (109GB available) / 128GB (106GB available)

60Hz

16 million

1080x2340 pixels

PDAF: phase detection autofocus

+26 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 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Change model		Choose the model
Model	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Other model names	Xiaomi Mi 9T (Global version) M1903F10G, Xiaomi Redmi K20	Samsung Galaxy M51 SM-M515F/DSN (6GB RAM)
Country or region available	(Global, International), (Europe), Hong Kong, Taiwan	(Europe), (Global, International)
Brand	Xiaomi	Samsung
Release date	6/1/2019	9/11/2020
Depth	8.8 millimeters (0.35 inches)	9.5 millimeters (0.37 inches)
Size (width x height)	74.3 x 156.7 millimeters (2.93 x 6.17 in)	76.3 x 163.9 millimeters (3 x 6.45 in)
Weight	191 grams (6.69 ounces)	213 grams (7.46 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Display type	AMOLED	Super AMOLED Plus
Screen size	6.39" inches	6.7" inches
Screen-to-body ratio	~86.1% (screen-to-body ratio)	~88.1% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	385 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	600nits[typ] HDR10	Not supported
🤖 Operating System
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
System version	Android 9.0 Pie	Android 10
Firmware update	Android 10	Android 11
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Chipset	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)	64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 618 (610MHz)	Qualcomm Adreno 618 (700MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (109GB available) UFS 2.1	128GB (106GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
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	800/150 Mbps	400/50 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	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40) VoLTE	LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Back camera (main camera)	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm	(quad camera) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4
Main camera resolution	8000x6000 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2" inches	1/1.73" inches
Pixel size	0.8µm 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	Digital and optical 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	feature not registered	feature not registered
📸 Front camera
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Front camera (secondary)	20 megapixels *Motorized pop-up camera (slider)	32 megapixels
Front camera resolution	5184x3840 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/2.8" inches
Pixel size	0.8µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Loudspeaker	Supported	Supported
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	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
USB	USB 2.0 Type-C, 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	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, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	7000 mAh
Charger, watts	18W (9V/2A) Wired fast charging	25W Wired fast charging Reverse charging by cable
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	64 hours (2.7 days)
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
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: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+	• Colors: Celestial Black, Electric Blue • One UI 2.1, 3.1
☢️ Radiation rate
	Xiaomi Mi 9T (128GB)	Galaxy M51 (SM-M515F/DSN)
SAR 1.6W/kg (USA, Mexico, etc.)	1.34W/kg (head), 1.51W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.609W/kg (head), 1.446W/kg (body)