Samsung Galaxy M31 (SM-M315F/DSN 128GB) vs Xiaomi Mi Note 2 (128GB)

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Side by side comparison between Samsung Galaxy M31 vs Xiaomi Mi Note 2 phones, differences, pros, cons and full specifications. What's the better?

8/24/2020 1:09 PM, updated: 10/26/2021 8:15 AM

Compare Xiaomi Mi Note 2 X Samsung Galaxy M31 (SM-M315F/DSN 128GB) 18Points

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

06Points Xiaomi Mi Note 2 (128GB) Compare Samsung Galaxy M31 X

Specifications Compare Models Pictures

5.7"
AMOLED

1080x1920

22.6
MP

8mp

6GB
RAM

Quad-core

4070
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DSN 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!

18 Advantages Samsung Galaxy M31 (SM-M315F/DSN 128GB)	vs	6 Advantages Xiaomi Mi Note 2 (128GB)
+2.3GHz 64bit Octa-core (10nm)23% More powerful processor, you can open your applications faster	vs	2.35GHz 64bit Quad-core
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	AMOLED
+1080x2340 pixels22% Higher resolution screen	vs	1080x1920 pixels
+403 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	386 PPI
+6.4"12% Larger screen	vs	5.7"
+(quad camera) 64MP + 8MP + 5MP + 5MP3 times Higher resolution main camera	vs	(back) 22.6MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+1/1.72" inches51% The larger sensor camera lets you take photos with better depth.	vs	1/2.6" inches
+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) 32MP3 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 11Advantage Android 11 is newer and safer	vs	Android 6.0.1 Marshmallow
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+6000 mAh47% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	4070 mAh
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
191 grams (6.69 ounces)	vs	+166 grams (5.81 ounces)15% Lighter
8.9 millimeters (0.35 inches)	vs	+7.6 millimeters (0.3 inches)17% Thinner
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Proximity sensorAdvantage Sensors help you use the device
15W	vs	+18W20% 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.

24 Common items in both devices

6GB LPDDR4X / 6GB LPDDR4

128GB (108GB available) / 128GB (118GB available)

16 million

Only digital zoom

PDAF: phase detection autofocus / PDAF on back camera and autofocus front camera

EIS: Digital stabilization

4K UHD (3840x2160)

+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 M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Change model		Choose the model
Model	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Other model names	Galaxy M315F/Dual-Sim NFC (128GB + 6GB RAM)	Xiaomi Mi Note 2 Premium edition (128GB+6GB), Xiaomi Scorpio
Country or region available	South Africa, Angola, Saudi Arabia, United Arab Emirates, Morocco, Mozambique, Russia, Turkey, Ukraine	China, Hong Kong, (Global, International)
Brand	Samsung	Xiaomi
Release date	3/5/2020, Announced: 2/25/2020	10/25/2016
Depth	8.9 millimeters (0.35 inches)	7.6 millimeters (0.3 inches)
Size (width x height)	75.1 x 159.2 millimeters (2.96 x 6.27 in)	77.3 x 156.2 millimeters (3.04 x 6.15 in)
Weight	191 grams (6.69 ounces)	166 grams (5.81 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Display type	Super AMOLED	AMOLED
Screen size	6.4" inches	5.7" inches
Screen-to-body ratio	~84.1% (screen-to-body ratio)	~74.2% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	386 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Not supported
Refresh rate	60Hz	feature not registered
Display features	420nits[peak]	feature not registered
🤖 Operating System
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
System version	Android 10	Android 6.0.1 Marshmallow
Firmware update	Android 11	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Chipset	64bit: Samsung Exynos 9611 (10nm)	64bit: Qualcomm Snapdragon 821 MSM8996AC Pro (14nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)	Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)
GPU graphical controller	ARM Mali-G72 MP3 (850MHz)	Qualcomm Adreno 530 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4
Internal storage	128GB (108GB available) UFS 2.1	128GB (118GB available)
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (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	600/50 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	CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 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 Cat12 Global edition: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30) TD-LTE (Bands 38, 39, 40, 41) Premium edition: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 39, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	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
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 M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Back camera (main camera)	(quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2	22.6 megapixels
Main camera resolution	10120x6328 pixels	5488x4112 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 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	1/1.72" inches	1/2.6" inches
Pixel size	0.8µm pixel	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF on back camera and autofocus front camera
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital 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 only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Front camera (secondary)	32 megapixels	8 megapixels
Front camera resolution	6528x4896 pixels	3264x2448 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	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 M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	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, eAAC+, FLAC
🔌 Connectivity
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (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	4.2 + A2DP
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, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	6000 mAh	4070 mAh
Charger, watts	15W Wired fast charging	18W (9V/2A) 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 M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
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: Ocean Blue, Space Black, Red • One UI 2.0, 3.1	• Colors: Black, Gold, Silver • MIUI 8.0 • Curved 3D glass (front and back) • Quick Charge 3.0 • Fast battery charging: 83% in 30min
☢️ Radiation rate
	Galaxy M31 (SM-M315F/DSN 128GB)	Xiaomi Mi Note 2 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.482W/kg (head), 1.127W/kg (body)	feature not registered