Xiaomi Mi Mix 2 (256GB) vs Samsung Galaxy A9 2018 (SM-A920F/DS 64GB)

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Side by side comparison between Xiaomi Mi Mix 2 vs Samsung Galaxy A9 (2018) phones, differences, pros, cons and full specifications. What's the better?

10/27/2018 11:58 PM, updated: 8/6/2020 7:15 AM

Compare Samsung Galaxy A9 (2018) X Xiaomi Mi Mix 2 (256GB) 09Points

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

5mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

15Points Samsung Galaxy A9 2018 (SM-A920F/DS 64GB) Compare Xiaomi Mi Mix 2 X

Specifications Compare Models Pictures

6.3"
AMOLED

1080x2220

24
MP

24mp

6GB
RAM

Octa-core

3800
mAh

(Non removable)

What's the better phone? Samsung Galaxy A9 2018 (SM-A920F/DS 64GB)

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!

9 Advantages Xiaomi Mi Mix 2 (256GB)	vs	15 Advantages Samsung Galaxy A9 2018 (SM-A920F/DS 64GB)
+2.45GHz 64bit Octa-core (10nm)20% More powerful processor, you can open your applications faster	vs	2.2GHz 64bit Octa-core
+256GB (245GB available)4 times More internal storage for applications and files	vs	64GB (50GB available)
+7.7 millimeters (0.3 inches)1% Thinner	vs	7.8 millimeters (0.31 inches)
+Aluminum body, glass front, ceramic backAdvantage More resistant material	vs	Aluminum body, glass front
+403 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	392 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+(4G LTE-A) 600 Mbps33% Faster for surfing the internet and download files	vs	(4G LTE-A) 450 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
185 grams (6.48 ounces)	vs	+183 grams (6.41 ounces)1% Lighter
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x2160 pixels	vs	+1080x2220 pixels3% Higher resolution screen
5.99"	vs	+6.3"5% Larger screen
(back) 12MP	vs	+(quad camera) 24MP + 10MP + 8MP + 5MP3 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
1/2.9" inches	vs	+1/2.8" inches4% The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)	vs	+f/1.7 (aperture)18% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MP	vs	+(front) 24MP4 times Higher resolution secondary camera to take pictures and selfies
Not supported	vs	+ANT+Advantage Sensors help you use the device
3400 mAh	vs	+3800 mAh12% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

30 Common items in both devices

6GB LPDDR4X

eMMC 5.1

16 million

PDAF: phase detection autofocus

4K UHD (3840x2160)

(front) Full HD (1920x1080)

Android 9.0 Pie

+23 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 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Change model		Choose the model
Model	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Other model names	Xiaomi Mix 2 MDE5 (6GB RAM), Xiaomi Mi Mix Evo	Galaxy A9 SM-A920F/Dual-Sim, Samsung A920
Country or region available	China, Hong Kong	(Latin America)
Brand	Xiaomi	Samsung
Release date	9/1/2017	10/11/2018
Depth	7.7 millimeters (0.3 inches)	7.8 millimeters (0.31 inches)
Size (width x height)	75.5 x 151.8 millimeters (2.97 x 5.98 in)	77 x 162.5 millimeters (3.03 x 6.4 in)
Weight	185 grams (6.48 ounces)	183 grams (6.41 ounces)
Build, materials	Aluminum body, glass front, ceramic back	Aluminum body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.99" inches	6.3" inches
Screen-to-body ratio	~80.8% (screen-to-body ratio)	~80.5% (screen-to-body ratio)
Display resolution	1080x2160 pixels	1080x2220 pixels (18.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	392 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
System version	Android 7.1 Nougat	Android 8.0 Oreo
Firmware update	Android 9.0 Pie	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Chipset	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)	64bit: Qualcomm Snapdragon 660 SDM660 (14nm)
CPU	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-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 540 (670-710MHz)	Qualcomm Adreno 512 650Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	256GB (245GB available) eMMC 5.1	64GB (50GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	600/50 Mbps	450/50 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, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1800/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	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	LTE Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40)
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+, 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
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Back camera (main camera)	12 megapixels	(quad camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 8MP ultrawide f/2.412mm1/4.0"1.12µm 5MP depth f/2.2
Main camera resolution	4000x3000 pixels	5656x4240 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.7 (aperture)
Focal length	feature not registered	27mm (lens)
Sensor size	1/2.9" inches	1/2.8" inches
Pixel size	1.25µm pixel	0.9µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Front camera (secondary)	5 megapixels	24 megapixels
Front camera resolution	2592x1944 pixels	5656x4240 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	27mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.9µm pixel
🔉 Sound and multimedia
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, MKV, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
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, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
Battery type	Li-Ion: lithium-ion (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3400 mAh	3800 mAh
Charger, watts	18W (9V/2A) Wired fast charging	18W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
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: Black, White • MIUI 9 • Quick Charge 3.0 • Type-C to 3.5mm headphone jack adapter • 720p@120fps slow motion • Miracast	• Colors: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos
☢️ Radiation rate
	Xiaomi Mi Mix 2 (256GB)	Galaxy A9 2018 (SM-A920F/DS 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.27W/kg (head), 0.84W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered