Xiaomi Mi A2 (64GB) vs Samsung Galaxy Watch (46mm SM-R805F)

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Side by side comparison between Xiaomi Mi A2 vs Samsung Galaxy Watch devices, differences, pros, cons and full specifications. What's the better?

11/6/2018 7:48 PM, updated: 11/14/2021 11:07 AM

Compare Samsung Galaxy Watch X Xiaomi Mi A2 (64GB) 25Points

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

09Points Samsung Galaxy Watch (46mm SM-R805F) Compare Xiaomi Mi A2 X

Specifications Compare Models Pictures

1.3"
AMOLED

360x360

N/A

1.5GB
RAM

Dual-core

472
mAh

(Non removable)

What's the better device? Xiaomi Mi A2 (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!

25 Advantages Xiaomi Mi A2 (64GB)	vs	9 Advantages Samsung Galaxy Watch (46mm SM-R805F)
+2.2GHz 64bit Octa-core (14nm)167% More powerful processor, you can open your applications faster	vs	1.15GHz 64bit Dual-core
+4GB LPDDR4X167% More RAM memory. Typically more responsive and better for multitasking.	vs	1.5GB LPDDR3
+64GB (51GB available)33 times More internal storage for applications and files	vs	4GB (1.5GB available)
+eMMC 5.1Advantage Fastest write and read storage.	vs	eMMC
+7.3 millimeters (0.29 inches)78% Thinner	vs	13 millimeters (0.51 inches)
+1080x2160 pixels17 times Higher resolution screen	vs	360x360 pixels
+403 PPI3% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	392 PPI
+5.99"4 times Larger screen	vs	1.3"
+(dual camera) 12MP + 20MPAdvantage With a camera you can take pictures anywhere	vs	Not supported
+4K UHD (3840x2160)Advantage More image quality for recording videos with the primary camera	vs	Not supported
+3500000 apps (Google Play Store)2332 times More apps available to download and use	vs	1500 apps
+(4G LTE-A) 600 Mbps59 times Faster for surfing the internet and download files	vs	(4G LTE) 10 Mbps
+CompassAdvantage Sensors help you use the device	vs	Not supported
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Not supported
+3000 mAh5 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	472 mAh
+18W4 times 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.	vs	3.5W
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM)
+Type-C jack with 3.5mm jack adapterAdvantage Best output for headset	vs	Not supported
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
+USB 2.0 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	Not supported
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	Not supported
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	Not supported
166 grams (5.81 ounces)	vs	+63 grams (2.21 ounces)163% Lighter
Aluminum body, glass front	vs	+Stainless steel body, glass frontAdvantage More resistant material
LTPS IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Heart rateAdvantage Sensors help you use the device
Not supported	vs	+PedometerAdvantage Sensors help you use the device
Not supported	vs	+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
Not supported	vs	+5 ATM, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

10 Common items in both devices

16 million

4G LTE-A / 4G LTE

Capacitive

Multitouch

Accelerometer

Ambient light sensor

Gyroscope

+3 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 A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Change model		Choose the model
Model	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Other model names	Xiaomi A2 M1804D2SG (64GB + 4GB RAM), 小米6X, Xiaomi Wayne	Galaxy Watch 46mm (4G LTE) SM-R805FZSAAMO, Samsung Galileo
Country or region available	(Global, International), India	(Europe), South Africa, Saudi Arabia, Australia, Israel, Singapore, Taiwan
Brand	Xiaomi	Samsung
Release date	7/27/2018, Announced: 7/24/2018	8/1/2018
Depth	7.3 millimeters (0.29 inches)	13 millimeters (0.51 inches)
Size (width x height)	75.4 x 158.7 millimeters (2.97 x 6.25 in)	46 x 49 millimeters (1.81 x 1.93 in)
Weight	166 grams (5.81 ounces)	63 grams (2.21 ounces)
Build, materials	Aluminum body, glass front	Stainless steel body, glass front
Protection against water and others	Not supported	5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
📲 Display
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Display type	LTPS IPS LCD	Super AMOLED
Screen size	5.99" inches	1.3" inches
Screen-to-body ratio	~77.4% (screen-to-body ratio)	~24.2% (screen-to-body ratio)
Display resolution	1080x2160 pixels (19:9)	360x360 pixels (1:1)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	392 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass DX+
Refresh rate	60Hz	feature not registered
Display features	Not supported	Not supported
🤖 Operating System
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
System version	Android 8.1 Oreo	Tizen 4.0
Firmware update	Android 10	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Chipset	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)	64bit: Samsung Exynos 9 Dual 9110 (10nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)	Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core)
GPU graphical controller	Qualcomm Adreno 512 (650MHz)	ARM Mali-T720 MP1
Performance (benchmark)	AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
RAM memory	4GB LPDDR4X	1.5GB LPDDR3
Internal storage	64GB (51GB available) eMMC 5.1	4GB (1.5GB available) eMMC
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
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) e-SIM (Eletronic)
Maximum Download / Upload	600/150 Mbps	10 Mbps
Network technology	2G, 3G, 4G	3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Not supported
Primary 2G network	GSM 850/900/1800/1900	Not supported
Primary 3G network	Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100	UMTS 900/1900
Primary 4G network	LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 40, 41)	LTE (Bands 1,3,7,8,20)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Back camera (main camera)	(dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm	Not supported
Main camera resolution	4000x3000 pixels	Not supported
Video recording (primary)	4K UHD (3840x2160) 30 fps	Not supported
Flash	Dual-LED on main camera and LED on front camera	Not supported
Focal aperture	f/1.8 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/2.9" inches	feature not registered
Pixel size	1.25µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Not supported
Touch focus	Supported	Not supported
Image stabilization	EIS: Digital stabilization	Not supported
Zoom	Only digital zoom	Not supported
Face/smile detection	Face detection, Smile detection	Not supported
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Front camera (secondary)	20 megapixels	Not supported
Front camera resolution	5164x3872 pixels	Not supported
Video recording (secondary)	Full HD (1920x1080)	Not supported
Front flash	LED	Not supported
Focal aperture	f/2.2 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/2.8" inches	feature not registered
Pixel size	1µm pixel	feature not registered
🔉 Sound and multimedia
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, OGG, eAAC+
🔌 Connectivity
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
USB	USB 2.0 Type-C reversible connector	Not supported
Audio output	Type-C jack with 3.5mm jack adapter	Not supported
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	4.2 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3000 mAh	472 mAh
Charger, watts	18W Wired fast charging Quick Charge 4	3.5W (5V/0.7A) Wired charging
Inductive / wireless charging	Not supported	Qi wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	72 hours (3 days)
➕ Other features
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
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	Not supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	Not supported
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display	• Colors: Silver • Straps: Onyx Black, Deep Ocean Blue, Basalt Grey • Compatible with standard 22mm straps • Always-on display • Rotating bezel • Samsung Pay
☢️ Radiation rate
	Xiaomi Mi A2 (64GB)	Galaxy Watch (46mm SM-R805F)
SAR 1.6W/kg (USA, Mexico, etc.)	0.96W/kg (head), 0.64W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	1.16W/kg (head), 0.66W/kg (body)	0.823W/kg (head), 0.823W/kg (body)