Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM) vs Xiaomi Mi Mix Alpha

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Side by side comparison between Samsung Galaxy M51 vs Xiaomi Mi Mix Alpha phones, differences, pros, cons and full specifications. What's the better?

9/20/2020 10:31 PM, updated: 4/29/2021 1:40 AM

Compare Xiaomi Mi Mix Alpha X Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM) 11Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2340

64
MP

32mp

8GB
RAM

Octa-core

7000
mAh

(Non removable)

20Points Xiaomi Mi Mix Alpha Compare Samsung Galaxy M51 X

Specifications Compare Models Pictures

7.92"
AMOLED

2088x2250

108
MP

12GB
RAM

Octa-core

4050
mAh

(Non removable)

What's the better phone? Xiaomi Mi Mix Alpha

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 M51 (SM-M515F/DSN 8GB RAM)	vs	20 Advantages Xiaomi Mi Mix Alpha
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+213 grams (7.46 ounces)13% Lighter	vs	241 grams (8.44 ounces)
+9.5 millimeters (0.37 inches)9% Thinner	vs	10.4 millimeters (0.41 inches)
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+(front) 32MPAdvantage A front-camera is best for taking selfies	vs	Not supported
+Android 11Advantage Android 11 is newer and safer	vs	Android 10
+7000 mAh73% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4050 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2.2GHz 64bit Octa-core (8nm)	vs	+2.96GHz 64bit Octa-core (7nm)27% More powerful processor, you can open your applications faster
8GB LPDDR4X	vs	+12GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
128GB (106GB available)	vs	+512GB (494GB available)4 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 3.0Advantage Fastest write and read storage.
Plastic body, glass front	vs	+Titanium frame, glass front, ceramic and glass backAdvantage More resistant material
1080x2340 pixels	vs	+2088x2250 pixels86% Higher resolution screen
385 PPI	vs	+388 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.7"	vs	+7.92"18% Larger screen
(quad camera) 64MP + 12MP + 5MP + 5MP	vs	+(triple camera) 108MP + 12MP + 20MP63% Higher resolution main camera
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
1/1.73" inches	vs	+1/1.33" inches30% The larger sensor camera lets you take photos with better depth.
f/1.8 (aperture)	vs	+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
4K UHD (3840x2160)	vs	+6K UHD (5760x3240)125% More image quality for recording videos with the primary camera
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 400 Mbps	vs	+(5G SA/NSA) 2000 Mbps4 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+HumidityAdvantage Sensors help you use the device
25W	vs	+40W60% 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	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

24 Common items in both devices

Super AMOLED Plus / Flexible Super AMOLED

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

Capacitive

Multitouch

Accelerometer

+17 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 M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Change model
Model	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Other model names	Samsung Galaxy M51 SM-M515F/DSN (8GB RAM)	小米MIX Alpha, Xiaomi Mix Alpha
Country or region available	India, Malaysia, Turkey	(Global, International)
Brand	Samsung	Xiaomi
Release date	9/11/2020	2/1/2020
Depth	9.5 millimeters (0.37 inches)	10.4 millimeters (0.41 inches)
Size (width x height)	76.3 x 163.9 millimeters (3 x 6.45 in)	72.3 x 154.38 millimeters (2.85 x 6.08 in)
Weight	213 grams (7.46 ounces)	241 grams (8.44 ounces)
Build, materials	Plastic body, glass front	Titanium frame, glass front, ceramic and glass back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Display type	Super AMOLED Plus	Flexible Super AMOLED
Screen size	6.7" inches	7.92" inches
Screen-to-body ratio	~88.1% (screen-to-body ratio)	~180.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	2088x2250 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	385 PPI	388 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
System version	Android 10	Android 10
Firmware update	Android 11	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Chipset	64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm)	64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)	Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core)
GPU graphical controller	Qualcomm Adreno 618 (700MHz)	Qualcomm Adreno 640 (672MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
RAM memory	8GB LPDDR4X	12GB LPDDR4X
Internal storage	128GB (106GB available) eMMC 5.1	512GB (494GB available) UFS 3.0
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
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	400/50 Mbps	2000/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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	TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE	LTE Cat20 (Bands 1, 2, 3, 4, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (Bands 41, 78, 79)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
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 M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Back camera (main camera)	(quad camera) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4	(triple camera) 108 megapixels 12MP telephoto f/2.054mm1/2.55"1.4µmPDAFLaserAF2x-optical-zoom 20MP ultrawide f/2.213mm1/2.8"1.0µmLaserAF
Main camera resolution	10120x6328 pixels	12000x9000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	6K UHD (5760x3240) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.7 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/1.73" inches	1/1.33" 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	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 only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Front camera (secondary)	32 megapixels	Not supported
Front camera resolution	6528x4896 pixels	Not supported
Video recording (secondary)	Full HD (1920x1080)	Not supported
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	26mm (lens)	feature not registered
Sensor size	1/2.8" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	Not supported
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
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
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	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Humidity Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	7000 mAh	4050 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable	40W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	64 hours (2.7 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
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: Celestial Black, Electric Blue • One UI 2.1, 3.1	• Colors: Black • MIUI 11
☢️ Radiation rate
	Galaxy M51 (SM-M515F/DSN 8GB RAM)	Xiaomi Mi Mix Alpha
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.609W/kg (head), 1.446W/kg (body)	feature not registered