Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) vs Xiaomi Mi 9 (128GB/8GB)

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Side by side comparison between Samsung Galaxy A9 (2018) vs Xiaomi Mi 9 phones, differences, pros, cons and full specifications. What's the better?

3/8/2019 12:05 PM, updated: 8/6/2020 7:15 AM

Compare Xiaomi Mi 9 X Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) 07Points

Specifications Compare Models Pictures

6.3"
AMOLED

1080x2220

24
MP

24mp

6GB
RAM

Octa-core

3800
mAh

(Non removable)

17Points Xiaomi Mi 9 (128GB/8GB) Compare Samsung Galaxy A9 (2018) X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9 (128GB/8GB)

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!

7 Advantages Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	vs	17 Advantages Xiaomi Mi 9 (128GB/8GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+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)
+(front) 24MP20% Higher resolution secondary camera to take pictures and selfies	vs	(front) 20MP
+ANT+Advantage Sensors help you use the device	vs	Not supported
+3800 mAh15% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3300 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
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
2.2GHz 64bit Octa-core	vs	+2.84GHz 64bit Octa-core (7nm)25% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
183 grams (6.41 ounces)	vs	+173 grams (6.06 ounces)6% Lighter
7.8 millimeters (0.31 inches)	vs	+7.61 millimeters (0.3 inches)2% Thinner
1080x2220 pixels	vs	+1080x2340 pixels5% Higher resolution screen
392 PPI	vs	+403 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.3"	vs	+6.39"1% Larger screen
(quad camera) 24MP + 10MP + 8MP + 5MP	vs	+(triple camera) 48MP + 16MP + 12MP62% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
1/2.8" inches	vs	+1/2" inches40% The larger sensor camera lets you take photos with better depth.
Android 9.0 Pie	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE-A) 450 Mbps	vs	+(4G LTE-A) 1024 Mbps128% Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
18W	vs	+27W50% 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	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

32 Common items in both devices

128GB (110GB available) / 128GB (109GB available)

Aluminum body, glass front / Aluminum frame, glass front/back

Super AMOLED

16 million

Digital and optical zoom

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

EIS: Digital stabilization

+25 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 A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Change model		Choose the model
Model	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Other model names	Galaxy A9 SM-A920F/Dual-Sim (6GB RAM), SM-A920FZBJZTO	小米9, Xiaomi Mi9 (8GB RAM), M1902F1A, M1902F1G, M1902F1T
Country or region available	(Europe), Brazil, India, Malaysia	China
Brand	Samsung	Xiaomi
Release date	10/11/2018	3/1/2019
Depth	7.8 millimeters (0.31 inches)	7.61 millimeters (0.3 inches)
Size (width x height)	77 x 162.5 millimeters (3.03 x 6.4 in)	74.67 x 157.5 millimeters (2.94 x 6.2 in)
Weight	183 grams (6.41 ounces)	173 grams (6.06 ounces)
Build, materials	Aluminum body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Display type	Super AMOLED	Super AMOLED
Screen size	6.3" inches	6.39" inches
Screen-to-body ratio	~80.5% (screen-to-body ratio)	~85.2% (screen-to-body ratio)
Display resolution	1080x2220 pixels (18.5:9)	1080x2340 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	392 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 6
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
System version	Android 8.0 Oreo	Android 9.0 Pie
Firmware update	Android 9.0 Pie	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Chipset	64bit: Qualcomm Snapdragon 660 SDM660 (14nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controller	Qualcomm Adreno 512 650Mhz	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
RAM memory	6GB LPDDR4X	8GB LPDDR4X
Internal storage	128GB (110GB available) eMMC 5.1	128GB (109GB available) UFS 2.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
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	450/50 Mbps	1024/150 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 850/900/1700/1900/2100
Primary 4G network	LTE Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40)	LTE Cat16/13 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (Bands 38, 39, 40) China version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 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	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Back camera (main camera)	(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	(triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom
Main camera resolution	5656x4240 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.7 (aperture)	f/1.8 (aperture)
Focal length	27mm (lens)	feature not registered
Sensor size	1/2.8" inches	1/2" inches
Pixel size	0.9µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Digital and optical 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 on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Front camera (secondary)	24 megapixels	20 megapixels
Front camera resolution	5656x4240 pixels	5184x3840 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	27mm (lens)	feature not registered
Sensor size	1/2.8" inches	feature not registered
Pixel size	0.9µm pixel	0.9µm pixel
🔉 Sound and multimedia
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (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, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
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	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	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3800 mAh	3300 mAh
Charger, watts	18W Wired fast charging	27W Wired fast charging
Inductive / wireless charging	Not supported	Qi wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (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: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos	• Colors: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W
☢️ Radiation rate
	Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)	Xiaomi Mi 9 (128GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.27W/kg (head), 0.84W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered