Xiaomi Mi 6X (64GB/6GB) vs Samsung Galaxy S3 Slim Duos (SM-G3812B)

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Side by side comparison between Xiaomi Mi 6X vs Samsung Galaxy S3 Slim phones, differences, pros, cons and full specifications. What's the better?

8/14/2018 8:43 AM, updated: 10/1/2024 9:34 PM

Compare Samsung Galaxy S3 Slim X Xiaomi Mi 6X (64GB/6GB) 28Points

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

20mp

6GB
RAM

Octa-core

3000
mAh

(Non removable)

06Points Samsung Galaxy S3 Slim Duos (SM-G3812B) Compare Xiaomi Mi 6X X

Specifications Compare Models Pictures

4.5"
TFT

540x960

5
MP

0.3mp

1GB
RAM

Quad-core

2100
mAh

(Removable)

What's the better phone? Xiaomi Mi 6X (64GB/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!

28 Advantages Xiaomi Mi 6X (64GB/6GB)	vs	6 Advantages Samsung Galaxy S3 Slim Duos (SM-G3812B)
+2.2GHz 64bit Octa-core (14nm)175% More powerful processor, you can open your applications faster	vs	1.2GHz 32bit Quad-core (45nm)
+6GB LPDDR4X5 times More RAM memory. Typically more responsive and better for multitasking.	vs	1GB LPDDR2
+64GB (51GB available)9 times More internal storage for applications and files	vs	8GB (5GB available)
+eMMC 5.1Advantage Fastest write and read storage.	vs	eMMC 4.5
+7.3 millimeters (0.29 inches)33% Thinner	vs	9.7 millimeters (0.38 inches)
+Aluminum body, glass frontAdvantage More resistant material	vs	Plastic body, glass front
+LTPS IPS LCDAdvantage LTPS IPS LCD display is brighter and more vivid	vs	TFT LCD
+1080x2160 pixels4 times Higher resolution screen	vs	540x960 pixels
+403 PPI64% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	245 PPI
+5.99"33% Larger screen	vs	4.5"
+(dual camera) 12MP + 20MP5 times Higher resolution main camera	vs	(back) 5MP
+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light	vs	LED flash
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+(front) 20MP64 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 0.3MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera	vs	(front) VGA (640x480)
+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer	vs	Android 4.2.2 Jelly Bean
+4G LTE-AAdvantage The 4G LTE-A network is newer and faster	vs	3G+ HSPA+
+(4G LTE-A) 600 Mbps28 times Faster for surfing the internet and download files	vs	(3G+ HSPA+) 21 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+3000 mAh43% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2100 mAh
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	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	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
Not supported	vs	+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards
168 grams (5.88 ounces)	vs	+139 grams (4.87 ounces)21% Lighter
LiPo: li-ion polymer (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	+FMAdvantage The radio lets you listen to your songs and sports in general
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

18 Common items in both devices

60Hz

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

Capacitive

Multitouch

+11 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 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Change model
Model	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Other model names	小米6X, Xiaomi Mi 6X M1804D2SE, M1804D2SC, Xiaomi Wayne	Galaxy S3 Slim G3812B, Samsung Galaxy Win Pro
Country or region available	China, Hong Kong	Brazil
Brand	Xiaomi	Samsung
Release date	6/1/2018	3/1/2014
Depth	7.3 millimeters (0.29 inches)	9.7 millimeters (0.38 inches)
Size (width x height)	75.4 x 158.7 millimeters (2.97 x 6.25 in)	66 x 133 millimeters (2.6 x 5.24 in)
Weight	168 grams (5.88 ounces)	139 grams (4.87 ounces)
Build, materials	Aluminum body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Display type	LTPS IPS LCD	TFT LCD
Screen size	5.99" inches	4.5" inches
Screen-to-body ratio	~77.4% (screen-to-body ratio)	~63.6% (screen-to-body ratio)
Display resolution	1080x2160 pixels (18:9)	540x960 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	245 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
System version	Android 8.1 Oreo	Android 4.2.2 Jelly Bean
Firmware update	Android 9.0 Pie	feature not registered
User Interface	feature not registered	TouchWiz UX
⚙️ Processor
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Chipset	64bit: Qualcomm Snapdragon 660 (SDM660) (14nm)	32bit: Qualcomm Snapdragon 200 (MSM8225Q) (45nm)
CPU	Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A5 (Quad-core)
GPU graphical controller	Qualcomm Adreno 512 (650MHz)	Qualcomm Adreno 203 (400MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
RAM memory	6GB LPDDR4X	1GB LPDDR2
Internal storage	64GB (51GB available) eMMC 5.1	8GB (5GB available) eMMC 4.5
External storage	Not supported	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
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) micro-SIM (3FF)
Maximum Download / Upload	600/150 Mbps	21/5.76 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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 850/900/1900/2100	UMTS 850/1900/2100
Primary 4G network	LTE Cat12 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE	Not supported
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+
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 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Back camera (main camera)	(dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm	5 megapixels
Main camera resolution	4000x3000 pixels	2592x1944 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED on main camera and LED on front camera	LED flash
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	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital 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
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Front camera (secondary)	20 megapixels	0.3 megapixels
Front camera resolution	5164x3872 pixels	640x480 pixels
Video recording (secondary)	Full HD (1920x1080)	VGA (640x480)
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 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	1 microphone
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
USB	USB 2.0 Type-C reversible connector	MicroUSB 2.0
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	Not supported	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 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3000 mAh	2100 mAh
Charger, watts	18W Wired fast charging Quick Charge 3	Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
Call control	Voice dialing, Voice recorder	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, Gold, Blue, Red, Rose Gold • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display	• Colors: Black, White • Java framework
☢️ Radiation rate
	Xiaomi Mi 6X (64GB/6GB)	Galaxy S3 Slim Duos (SM-G3812B)
SAR 1.6W/kg (USA, Mexico, etc.)	0.96W/kg (head), 0.64W/kg (body)	0.61W/kg (head), 1.13W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	1.16W/kg (head), 0.66W/kg (body)	0.553W/kg (head), 0.395W/kg (body)