Samsung Galaxy M40 (SM-M405FN/DS) vs Xiaomi Mi 6X (128GB)

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Side by side comparison between Samsung Galaxy M40 vs Xiaomi Mi 6X phones, differences, pros, cons and full specifications. What's the better?

6/20/2019 3:09 PM, updated: 11/14/2021 11:07 AM

Compare Xiaomi Mi 6X X Samsung Galaxy M40 (SM-M405FN/DS) 11Points

Specifications Compare Models Pictures

6.3"
PLS

1080x2340

32
MP

16mp

6GB
RAM

Octa-core

3500
mAh

(Non removable)

08Points Xiaomi Mi 6X (128GB) Compare Samsung Galaxy M40 X

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

6GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M40 (SM-M405FN/DS)

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 M40 (SM-M405FN/DS)	vs	8 Advantages Xiaomi Mi 6X (128GB)
+2GHz 64bit Octa-core2% More powerful processor, you can open your applications faster	vs	2.2GHz 64bit Octa-core (14nm)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+1080x2340 pixels8% Higher resolution screen	vs	1080x2160 pixels
+409 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	403 PPI
+6.3"5% Larger screen	vs	5.99"
+(triple camera) 32MP + 8MP + 5MP41% Higher resolution main camera	vs	(dual camera) 12MP + 20MP
+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.8 (aperture)
+Android 10Advantage Android 10 is newer and safer	vs	Android 9.0 Pie
+3500 mAh17% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+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
7.9 millimeters (0.31 inches)	vs	+7.3 millimeters (0.29 inches)8% Thinner
Plastic body, glass front	vs	+Aluminum body, glass frontAdvantage More resistant material
TFT PLS	vs	+LTPS IPS LCDAdvantage LTPS IPS LCD display is brighter and more vivid
LED flash	vs	+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light
(front) 16MP	vs	+(front) 20MP26% Higher resolution secondary camera to take pictures and selfies
(4G LTE-A) 400 Mbps	vs	+(4G LTE-A) 600 Mbps50% Faster for surfing the internet and download files
Not supported	vs	+Ambient light 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.

33 Common items in both devices

6GB LPDDR4X

128GB (105GB available) / 128GB (111GB available)

eMMC 5.1

168 grams (5.88 ounces)

16 million

Only digital zoom

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
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Change model		Choose the model
Model	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Other model names	Galaxy M40 SM-M405FN/Dual-Sim (128GB + 6GB RAM)	小米6X, Xiaomi Mi 6X M1804D2SE, M1804D2SC, Xiaomi Wayne
Country or region available	(Europe), (Global, International)	China, Hong Kong
Brand	Samsung	Xiaomi
Release date	6/11/2019	6/1/2018
Depth	7.9 millimeters (0.31 inches)	7.3 millimeters (0.29 inches)
Size (width x height)	73.9 x 155.3 millimeters (2.91 x 6.11 in)	75.4 x 158.7 millimeters (2.97 x 6.25 in)
Weight	168 grams (5.88 ounces)	168 grams (5.88 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Display type	TFT PLS	LTPS IPS LCD
Screen size	6.3" inches	5.99" inches
Screen-to-body ratio	~84.9% (screen-to-body ratio)	~77.4% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1080x2160 pixels (18:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	409 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
System version	Android 9.0 Pie	Android 8.1 Oreo
Firmware update	Android 10	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Chipset	64bit: Qualcomm Snapdragon 675 SDM675 (11nm)	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)
CPU	Octa-core, 2 processors: 2x 2GHz Kryo 460 Gold (Dual-core) 6x 1.7GHz Kryo 460 Silver (Hexa-core)	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 612 845Mhz	Qualcomm Adreno 512 (650MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (105GB available) eMMC 5.1	128GB (111GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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	600/150 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	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 3, 5, 8, 20) TD-LTE (Bands 40, 41)	LTE Cat12 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Back camera (main camera)	(triple camera) 32 megapixels 8MP ultrawide f/2.212mm1.12µmPDAF 5MP depth f/2.2	(dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm
Main camera resolution	6528x4896 pixels	4000x3000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED on main camera and LED on front camera
Focal aperture	f/1.7 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.9" inches
Pixel size	0.8µm pixel	1.25µm 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	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
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Front camera (secondary)	16 megapixels	20 megapixels
Front camera resolution	4608x3456 pixels	5164x3872 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	LED
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
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, OGG, eAAC+, FLAC
🔌 Connectivity
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C reversible connector
Audio output	Type-C reversible connector	Type-C jack with 3.5mm jack adapter
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, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Sensors	Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3500 mAh	3000 mAh
Charger, watts	15W Wired fast charging	18W Wired fast charging Quick Charge 3
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	29 hours (1.2 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
Call control	Voice dialing, Voice recorder	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: Midnight Blue, Sweater Blue • One UI • Dolby Atmos sound • Slow motion 240fps	• Colors: Black, Gold, Blue, Red, Rose Gold • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display
☢️ Radiation rate
	Galaxy M40 (SM-M405FN/DS)	Xiaomi Mi 6X (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.96W/kg (head), 0.64W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.274W/kg (head), 1.17W/kg (body)	1.16W/kg (head), 0.66W/kg (body)