Samsung Galaxy M40 (SM-M405G/DS) vs Xiaomi Mi Mix 2 Special (128GB/8GB)

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Side by side comparison between Samsung Galaxy M40 vs Xiaomi Mi Mix 2 phones, differences, pros, cons and full specifications. What's the better?

6/20/2019 3:07 PM, updated: 3/21/2020 2:44 PM

Compare Xiaomi Mi Mix 2 X Samsung Galaxy M40 (SM-M405G/DS) 13Points

Specifications Compare Models Pictures

6.3"
PLS

1080x2340

32
MP

16mp

4GB
RAM

Octa-core

3500
mAh

(Non removable)

12Points Xiaomi Mi Mix 2 Special (128GB/8GB) Compare Samsung Galaxy M40 X

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

5mp

8GB
RAM

Octa-core

3400
mAh

(Non removable)

What's the better phone? Samsung Galaxy M40 (SM-M405G/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!

13 Advantages Samsung Galaxy M40 (SM-M405G/DS)	vs	12 Advantages Xiaomi Mi Mix 2 Special (128GB/8GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+168 grams (5.88 ounces)11% Lighter	vs	187 grams (6.55 ounces)
+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 + 5MP3 times Higher resolution main camera	vs	(back) 12MP
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.7 (aperture)18% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+(front) 16MP2 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+Android 10Advantage Android 10 is newer and safer	vs	Android 9.0 Pie
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+3500 mAh3% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3400 mAh
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
2GHz 64bit Octa-core	vs	+2.45GHz 64bit Octa-core (10nm)29% More powerful processor, you can open your applications faster
4GB LPDDR4X	vs	+8GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
64GB (50GB available)	vs	+128GB (118GB available)136% More internal storage for applications and files
7.9 millimeters (0.31 inches)	vs	+7.7 millimeters (0.3 inches)3% Thinner
Plastic body, glass front	vs	+Ceramic body, glass frontAdvantage More resistant material
TFT PLS	vs	+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
(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
Not supported	vs	+BarometerAdvantage 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.

28 Common items in both devices

eMMC 5.1

16 million

Only digital zoom

PDAF: phase detection autofocus

4K UHD (3840x2160)

(front) Full HD (1920x1080)

4G LTE-A

+21 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-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Change model		Choose the model
Model	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Other model names	Galaxy M40 SM-M405G/Dual-Sim (64GB + 4GB RAM)	Xiaomi Mi Mix 2 Special edition (8GB RAM), Xiaomi Mi Mix Evo
Country or region available	(Latin America)	China, Hong Kong
Brand	Samsung	Xiaomi
Release date	6/11/2019	9/1/2017
Depth	7.9 millimeters (0.31 inches)	7.7 millimeters (0.3 inches)
Size (width x height)	73.9 x 155.3 millimeters (2.91 x 6.11 in)	74.6 x 150.5 millimeters (2.94 x 5.93 in)
Weight	168 grams (5.88 ounces)	187 grams (6.55 ounces)
Build, materials	Plastic body, glass front	Ceramic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Display type	TFT PLS	TFT IPS LCD
Screen size	6.3" inches	5.99" inches
Screen-to-body ratio	~84.9% (screen-to-body ratio)	~82.5% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1080x2160 pixels
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 4
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
System version	Android 9.0 Pie	Android 7.1 Nougat
Firmware update	Android 10	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 675 SDM675 (11nm)	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)
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 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core)
GPU graphical controller	Qualcomm Adreno 612 845Mhz	Qualcomm Adreno 540 (670-710MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
RAM memory	4GB LPDDR4X	8GB LPDDR4X
Internal storage	64GB (50GB available) eMMC 5.1	128GB (118GB 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-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
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	600/50 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, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1800/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (Bands 38, 40, 41)	LTE Cat12 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 34) TD-LTE (Bands 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-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Back camera (main camera)	(triple camera) 32 megapixels 8MP ultrawide f/2.212mm1.12µmPDAF 5MP depth f/2.2	12 megapixels
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 flash
Focal aperture	f/1.7 (aperture)	f/2.0 (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	OIS (4-axis): Optical 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 M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Front camera (secondary)	16 megapixels	5 megapixels
Front camera resolution	4608x3456 pixels	2592x1944 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
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, MKV, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, OGG, eAAC+, FLAC
🔌 Connectivity
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	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	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Sensors	Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3500 mAh	3400 mAh
Charger, watts	15W Wired fast charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	29 hours (1.2 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
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: Midnight Blue, Sweater Blue • One UI • Dolby Atmos sound • Slow motion 240fps	• Colors: Ceramic black, Ceramic white • MIUI 9 • Quick Charge 3.0 • Type-C to 3.5mm headphone jack adapter • 720p@120fps slow motion • Miracast
☢️ Radiation rate
	Galaxy M40 (SM-M405G/DS)	Xiaomi Mi Mix 2 Special (128GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered