Samsung Galaxy A51 (SM-A515F/DSM 128GB) vs Xiaomi Mi 9T Pro (128GB)

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Side by side comparison between Samsung Galaxy A51 vs Xiaomi Mi 9T Pro phones, differences, pros, cons and full specifications. What's the better?

1/4/2020 4:27 PM, updated: 11/21/2022 8:39 AM

Compare Xiaomi Mi 9T Pro X Samsung Galaxy A51 (SM-A515F/DSM 128GB) 11Points

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

11Points Xiaomi Mi 9T Pro (128GB) Compare Samsung Galaxy A51 X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9T Pro (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!

11 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)	vs	11 Advantages Xiaomi Mi 9T Pro (128GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+172 grams (6.02 ounces)11% Lighter	vs	191 grams (6.69 ounces)
+7.9 millimeters (0.31 inches)11% Thinner	vs	8.8 millimeters (0.35 inches)
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+405 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	403 PPI
+6.5"2% Larger screen	vs	6.39"
+(quad camera) 48MP + 12MP + 5MP + 5MP1% Higher resolution main camera	vs	(triple camera) 48MP + 8MP + 13MP
+(front) 32MP61% Higher resolution secondary camera to take pictures and selfies	vs	(front) 20MP
+(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 9.0 Pie
+ANT+Advantage Sensors help you use the device	vs	Not supported
2.3GHz 64bit Octa-core (10nm)	vs	+2.84GHz 64bit Octa-core (7nm)38% More powerful processor, you can open your applications faster
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
Not supported	vs	+HDR10Advantage The HDR10 display provides vibrant colors and more details
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(4G LTE-A) 600 Mbps	vs	+(4G LTE-A) 1024 Mbps71% Faster for surfing the internet and download files
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
15W	vs	+27W80% 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.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

30 Common items in both devices

6GB LPDDR4X

128GB (107GB available) / 128GB (109GB available)

Super AMOLED

60Hz

16 million

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

EIS: Digital stabilization

+23 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
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Change model		Choose the model
Model	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Other model names	Samsung Galaxy A51 SM-A515F/DSM	Xiaomi Mi 9T Pro (Global) M1903F11G (6GB RAM), Redmi K20 Pro
Country or region available	Kazakhstan, Russia	(Global, International), (Europe), Hong Kong, Taiwan
Brand	Samsung	Xiaomi
Release date	12/16/2019, Announced: 12/12/2019	8/1/2019
Depth	7.9 millimeters (0.31 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	73.6 x 158.5 millimeters (2.9 x 6.24 in)	74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight	172 grams (6.02 ounces)	191 grams (6.69 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.5" inches	6.39" inches
Screen-to-body ratio	~87.4% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	405 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Always-On Display	600nits[typ] HDR10
🤖 Operating System
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
System version	Android 10	Android 9.0 Pie
Firmware update	Android 13	feature not registered
User Interface	One UI 2.5 / 3.1 / 4.1 / 5.0	feature not registered
⚙️ Processor
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Chipset	64bit: Samsung Exynos 9611 (10nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controller	ARM Mali-G72 MP3 (850MHz)	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (107GB available) eMMC 5.1	128GB (109GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/150 Mbps	1024/150 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 Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat16/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, 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
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Back camera (main camera)	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm
Main camera resolution	8000x6000 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/2" inches	1/2" inches
Pixel size	0.8µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical 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
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Front camera (secondary)	32 megapixels	20 megapixels *Motorized pop-up camera (slider)
Front camera resolution	6528x4896 pixels	5184x3840 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	26mm lens	feature not registered
Sensor size	1/2.8" inches	feature not registered
Pixel size	0.8µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Loudspeaker	Supported	Supported
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, MKV	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
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	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	4000 mAh
Charger, watts	15W Wired fast charging	27W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
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: Prism, Crush Black, White, Blue, Pink	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+
☢️ Radiation rate
	Galaxy A51 (SM-A515F/DSM 128GB)	Xiaomi Mi 9T Pro (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.369W/kg (head), 1.59W/kg (body)	feature not registered