Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) vs Xiaomi Mi Mix 3 (128GB/6GB)

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Side by side comparison between Samsung Galaxy M31 vs Xiaomi Mi Mix 3 phones, differences, pros, cons and full specifications. What's the better?

3/22/2020 2:35 PM, updated: 12/15/2022 6:34 PM

Compare Xiaomi Mi Mix 3 X Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) 11Points

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

12Points Xiaomi Mi Mix 3 (128GB/6GB) Compare Samsung Galaxy M31 X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

12
MP

24mp

6GB
RAM

Octa-core

3200
mAh

(Non removable)

What's the better phone? Xiaomi Mi Mix 3 (128GB/6GB)

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 M31 (SM-M315F/DS 128GB/6GB)	vs	12 Advantages Xiaomi Mi Mix 3 (128GB/6GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+191 grams (6.69 ounces)14% Lighter	vs	218 grams (7.63 ounces)
+6.4"1% Larger screen	vs	6.39"
+(quad camera) 64MP + 8MP + 5MP + 5MP2 times Higher resolution main camera	vs	(dual camera) 12MP + 12MP
+1/1.72" inches48% The larger sensor camera lets you take photos with better depth.	vs	1/2.55" inches
+(front) 32MP23% Higher resolution secondary camera to take pictures and selfies	vs	(dual front camera) 24MP + 2MP
+(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 10
+6000 mAh88% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3200 mAh
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C jack with 3.5mm jack adapter
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
2.3GHz 64bit Octa-core (10nm)	vs	+2.8GHz 64bit Octa-core (10nm)26% More powerful processor, you can open your applications faster
8.9 millimeters (0.35 inches)	vs	+8.5 millimeters (0.33 inches)5% Thinner
Plastic body, glass front	vs	+Aluminum body, glass front, ceramic backAdvantage More resistant material
Not supported	vs	+HDR8Advantage The HDR8 display provides vibrant colors and more details
LED flash	vs	+LED flash on both camerasAdvantage The LED flash on both cameras 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
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supported	vs	+Virtual 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.
Not supported	vs	+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

34 Common items in both devices

6GB LPDDR4X

128GB (108GB available) / 128GB (110GB available)

UFS 2.1

Super AMOLED

60Hz

16 million

1080x2340 pixels

+27 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/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Change model		Choose the model
Model	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Other model names	Galaxy M315F/Dual-Sim (128GB + 6GB RAM)	小米MIX 3, Xiaomi Mix 3 M1810E5A
Country or region available	(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia	(Global, International), China
Brand	Samsung	Xiaomi
Release date	3/5/2020, Announced: 2/25/2020	11/1/2018, Announced: 10/1/2018
Depth	8.9 millimeters (0.35 inches)	8.5 millimeters (0.33 inches)
Size (width x height)	75.1 x 159.2 millimeters (2.96 x 6.27 in)	74.69 x 157.89 millimeters (2.94 x 6.22 in)
Weight	191 grams (6.69 ounces)	218 grams (7.63 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front, ceramic back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.4" inches	6.39" inches
Screen-to-body ratio	~84.1% (screen-to-body ratio)	~85% (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	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	60Hz
Display features	420nits[peak]	600nits[typ] HDR8
🤖 Operating System
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
System version	Android 10	Android 9.0 Pie
Firmware update	Android 11	Android 10
User Interface	feature not registered	MIUI 10 / 12
⚙️ Processor
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Chipset	64bit: Samsung Exynos 9611 (10nm)	64bit: Qualcomm Snapdragon 845 (SDM845) (10nm)
CPU	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controller	ARM Mali-G72 MP3 (850MHz)	Qualcomm Adreno 630 (710MHz)
Performance (benchmark)	feature not registered	AnTuTu: 292353 (v7), 352130 (v8) Geekbench: 9065 (v4.4), 2170 (v5.1) GFXBench: 30fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (108GB available) UFS 2.1	128GB (110GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
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	Global version: UMTS 800/850/900/1700/1800/1900/2100 China version: 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 Cat11 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (34, 38, 39, 40, 41) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 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	Global version: UMTS 800/850/900/1700/1800/1900/2100 China version: UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat11 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (34, 38, 39, 40, 41) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41)
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
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	(dual camera) 12 megapixels 12MP telephoto 1/3.4"1.0µm
Main camera resolution	10120x6328 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash	LED flash on both cameras
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/1.72" inches	1/2.55" inches
Pixel size	0.8µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS (4-axis): Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	4K@30/60fps 1080p@30/60/960fps
📸 Front camera
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Front camera (secondary)	32 megapixels	(dual front camera) 24 megapixels 2MP depth
Front camera resolution	6528x4896 pixels	5656x4224 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	1/2.8" inches	1/2.8" inches
Pixel size	0.8µm pixel	0.9µm pixel
🔉 Sound and multimedia
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Loudspeaker	Supported	Mono sound (not stereo)
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, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
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	Type-C jack with 3.5mm jack adapter
TV output	Not supported	USB Type-C (reversible)
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, QZSS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	6000 mAh	3200 mAh
Charger, watts	15W Wired fast charging	18W Wired fast charging Quick Charge 4
Inductive / wireless charging	Not supported	10W Qi wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Onyx Black, Jade Green, Sapphire Blue • Mechanical pop-up front camera
☢️ Radiation rate
	Galaxy M31 (SM-M315F/DS 128GB/6GB)	Xiaomi Mi Mix 3 (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.52W/kg (head), 0.69W/kg (body)	1.45W/kg (head), 1.57W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.482W/kg (head), 1.127W/kg (body)	feature not registered