Xiaomi Mi Mix 3 (128GB/6GB) vs Samsung Galaxy Alpha (SM-G850A)

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

10/27/2018 12:58 PM, updated: 12/15/2022 6:34 PM

Compare Samsung Galaxy Alpha X Xiaomi Mi Mix 3 (128GB/6GB) 21Points

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

12
MP

24mp

6GB
RAM

Octa-core

3200
mAh

(Non removable)

06Points Samsung Galaxy Alpha (SM-G850A) Compare Xiaomi Mi Mix 3 X

Specifications Compare Models Pictures

4.7"
AMOLED

720x1280

12
MP

2.1mp

2GB
RAM

Quad-core

1860
mAh

(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!

21 Advantages Xiaomi Mi Mix 3 (128GB/6GB)	vs	6 Advantages Samsung Galaxy Alpha (SM-G850A)
+2.8GHz 64bit Octa-core (10nm)49% More powerful processor, you can open your applications faster	vs	2.5GHz 32bit Quad-core
+6GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+128GB (110GB available)3 times More internal storage for applications and files	vs	32GB (25GB available)
+1080x2340 pixels174% Higher resolution screen	vs	720x1280 pixels
+403 PPI29% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	312 PPI
+6.39"36% Larger screen	vs	4.7"
+(dual camera) 12MP + 12MP101% Higher resolution main camera	vs	(back) 12MP
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo/video only main camera
+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+(dual front camera) 24MP + 2MP11 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 2.1MP
+Android 10Advantage Android 10 is newer and safer	vs	Android 5.0.2 Lollipop
+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files	vs	(4G LTE-A) 150 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+3200 mAh72% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1860 mAh
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM)
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
218 grams (7.63 ounces)	vs	+115 grams (4.03 ounces)90% Lighter
8.5 millimeters (0.33 inches)	vs	+6.7 millimeters (0.26 inches)27% Thinner
Virtual proximity sensor	vs	+Proximity sensorAdvantage Sensors help you use the device
Li-Ion: lithium-ion (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

23 Common items in both devices

Super AMOLED

16 million

PDAF: phase detection autofocus / Autofocus

4K UHD (3840x2160)

(front) Full HD (1920x1080)

4G LTE-A

Capacitive

+16 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
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Change model		Choose the model
Model	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Other model names	小米MIX 3, Xiaomi Mix 3 M1810E5A	AT&T Samsung Galaxy Alpha S801 SM-G850A for USA
Country or region available	(Global, International), China	USA
Brand	Xiaomi	Samsung
Release date	11/1/2018, Announced: 10/1/2018	9/1/2014
Depth	8.5 millimeters (0.33 inches)	6.7 millimeters (0.26 inches)
Size (width x height)	74.69 x 157.89 millimeters (2.94 x 6.22 in)	65.5 x 132.4 millimeters (2.58 x 5.21 in)
Weight	218 grams (7.63 ounces)	115 grams (4.03 ounces)
Build, materials	Aluminum body, glass front, ceramic back	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Display type	Super AMOLED	Super AMOLED
Screen size	6.39" inches	4.7" inches
Screen-to-body ratio	~85% (screen-to-body ratio)	~70.2% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	403 PPI	312 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 4
Refresh rate	60Hz	feature not registered
Display features	600nits[typ] HDR8	feature not registered
🤖 Operating System
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
System version	Android 9.0 Pie	Android 4.4.4 KitKat
Firmware update	Android 10	Android 5.0.2 Lollipop
User Interface	MIUI 10 / 12	feature not registered
⚙️ Processor
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Chipset	64bit: Qualcomm Snapdragon 845 (SDM845) (10nm)	32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)	Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 (710MHz)	Qualcomm Adreno 330 578Mhz
Performance (benchmark)	AnTuTu: 292353 (v7), 352130 (v8) Geekbench: 9065 (v4.4), 2170 (v5.1) GFXBench: 30fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
RAM memory	6GB LPDDR4X	2GB LPDDR3
Internal storage	128GB (110GB available) UFS 2.1	32GB (25GB available)
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/50 Mbps	150/50 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	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	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	UMTS 850/900/1900/2100
Primary 4G network	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)	LTE 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,17)
Primary 5G network	Not supported	Not supported
Primary data network	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Global version: UMTS 800/850/900/1700/1800/1900/2100 China version: UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	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)	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	Not supported
📷 Camera
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto 1/3.4"1.0µm	12 megapixels
Main camera resolution	4000x3000 pixels	4608x2592 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/1.8 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2.55" inches	feature not registered
Pixel size	1.4µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	HDR photo/video only main camera
Camera extras	4K@30/60fps 1080p@30/60/960fps	feature not registered
📸 Front camera
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Front camera (secondary)	(dual front camera) 24 megapixels 2MP depth	2.1 megapixels
Front camera resolution	5656x4224 pixels	1920x1080 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	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	0.9µm pixel	feature not registered
🔉 Sound and multimedia
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	4.0 + 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) WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3200 mAh	1860 mAh
Charger, watts	18W Wired fast charging Quick Charge 4	Wired charging
Inductive / wireless charging	10W Qi wireless charging	feature not registered
Talk time autonomy	feature not registered	11 hours
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (Swype), 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: Onyx Black, Jade Green, Sapphire Blue • Mechanical pop-up front camera	• Colors: Black, Silver, White, Gold, Blue • USB OTG On-The-Go • Dual Shot camera (video + photo) • Fingerprint sensor (PayPal certified) • Dropbox 50GB • ANT+ support
☢️ Radiation rate
	Xiaomi Mi Mix 3 (128GB/6GB)	Galaxy Alpha (SM-G850A)
SAR 1.6W/kg (USA, Mexico, etc.)	1.45W/kg (head), 1.57W/kg (body)	1.25W/kg (head), 1.05W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.4W/kg (head), 0.265W/kg (body)