Xiaomi Redmi S2 (64GB) vs Samsung Galaxy Attain 4G (SCH-R920)

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Side by side comparison between Xiaomi Redmi S2 vs Samsung Galaxy Attain 4G phones, differences, pros, cons and full specifications. What's the better?

11/4/2018 10:13 PM, updated: 5/10/2020 8:32 PM

Compare Samsung Galaxy Attain 4G X Xiaomi Redmi S2 (64GB) 24Points

Specifications Compare Models Pictures

5.99"
IPS

720x1440

12
MP

16mp

4GB
RAM

Octa-core

3080
mAh

(Non removable)

02Points Samsung Galaxy Attain 4G (SCH-R920) Compare Xiaomi Redmi S2 X

Specifications Compare Models Pictures

3.5"
TFT

320x480

3.1
MP

1.3mp

512MB
RAM

Single-core

1650
mAh

(Removable)

What's the better phone? Xiaomi Redmi S2 (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!

24 Advantages Xiaomi Redmi S2 (64GB)	vs	2 Advantages Samsung Galaxy Attain 4G (SCH-R920)
+2GHz 64bit Octa-core3 times More powerful processor, you can open your applications faster	vs	1GHz 32bit Single-core
+4GB LPDDR37 times More RAM memory. Typically more responsive and better for multitasking.	vs	512MB LPDDR2
+64GB (50GB available)35 times More internal storage for applications and files	vs	2GB (1.39GB available)
+Until 256GB microSD, microSDXC7 times More external storage for files using memory cards	vs	Until 32GB microSD, microSDHC
+8.1 millimeters (0.32 inches)44% Thinner	vs	11.7 millimeters (0.46 inches)
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT LCD
+16 million61 times More colors on the screen is better quality images and videos	vs	260 thousand
+720x1440 pixels6 times Higher resolution screen	vs	320x480 pixels
+269 PPI63% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	165 PPI
+5.99"71% Larger screen	vs	3.5"
+(dual camera) 12MP + 5MP4 times Higher resolution main camera	vs	(back) 3.1MP
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+(front) 16MP11 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 1.3MP
+Full HD (1920x1080)5 times More image quality for recording videos with the primary camera	vs	VGA (720x480)
+Android 8.1 OreoAdvantage Android 8.1 Oreo is newer and safer	vs	Android 2.3.6 Gingerbread
+(4G LTE-A) 300 Mbps2 times Faster for surfing the internet and download files	vs	(4G LTE) 100 Mbps
+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
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+3080 mAh87% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1650 mAh
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster	vs	3.0 + A2DP
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	HTML, XHTML, Flash player
170 grams (5.95 ounces)	vs	+119 grams (4.17 ounces)43% Lighter
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily

13 Common items in both devices

Only digital zoom

PDAF: phase detection autofocus / Autofocus

4G LTE-A / 4G LTE

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+6 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
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Change model
Model	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Other model names	红米自拍手机S2, Xiaomi S2, Xiaomi Ysl	MetroPCS Samsung Galaxy Attain 4G R920, Samsung SCH-R920
Country or region available	(Global, International), China	USA
Brand	Xiaomi	Samsung
Release date	5/1/2018	2/6/2012
Depth	8.1 millimeters (0.32 inches)	11.7 millimeters (0.46 inches)
Size (width x height)	77.26 x 160.73 millimeters (3.04 x 6.33 in)	60.5 x 116 millimeters (2.38 x 4.57 in)
Weight	170 grams (5.95 ounces)	119 grams (4.17 ounces)
Build, materials	Plastic body, glass front	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Display type	TFT IPS LCD	TFT LCD
Screen size	5.99" inches	3.5" inches
Screen-to-body ratio	~74.6% (screen-to-body ratio)	~52% (screen-to-body ratio)
Display resolution	720x1440 pixels	320x480 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	269 PPI	165 PPI
Colors	16 million	260 thousand
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
System version	Android 7.1.2 Nougat	Android 2.3.6 Gingerbread
Firmware update	Android 8.1 Oreo	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	32bit: Qualcomm Snapdragon MSM8655T
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Single-core, 1 processor: 1x 1GHz Scorpion (Single-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	Qualcomm Adreno 205
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
RAM memory	4GB LPDDR3	512MB LPDDR2
Internal storage	64GB (50GB available) eMMC 5.1	2GB (1.39GB available)
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	300/50 Mbps	100/50 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	Not supported
Primary 2G network	CDMA 800 (China), GSM 850/900/1800/1900	CDMA 800/1700/1900
Primary 3G network	M1803E6G Global version: UMTS 850/900/1900/2100 M1803E6E, M1803E6C, M1803E6T versions: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	CDMA2000 1xEV-DO
Primary 4G network	LTE Cat6 M1803E6G Global version: LTE (Bands 1,3,4,5,7,8,20) TD-LTE (Bands 38,40) M1803E6E, M1803E6C, M1803E6T versions: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41)	LTE 1700/2100
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	CDMA2000 EV-DO Rev A, 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
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Back camera (main camera)	(dual camera) 12 megapixels 5MP depth	3.1 megapixels
Main camera resolution	4000x3000 pixels	2048x1536 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	VGA (720x480)
Flash	LED flash on both cameras	LED flash
Focal aperture	f/2.2 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.25µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	feature not registered
Image stabilization	EIS: Digital stabilization	feature not registered
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	feature not registered
BSI sensor	Not supported	feature not registered
HDR	HDR photo on both cameras	feature not registered
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Front camera (secondary)	16 megapixels	1.3 megapixels
Front camera resolution	4608x3456 pixels	1280x1024 pixels
Video recording (secondary)	HD (1280x720)	Not supported
Front flash	LED	Not supported
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	feature not registered
Radio	FM	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+
🔌 Connectivity
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	3.0 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Not supported	feature not registered
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	Supported	feature not registered
🧭 Sensors
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3080 mAh	1650 mAh
Charger, watts	10W (5V/2A) Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	3.5 hours
Standby	feature not registered	200 hours (8.3 days)
➕ Other features
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
Call control	Voice dialing, Voice recorder	Voice recorder
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, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Gray, Gold, Rose Gold, Blue, Black • MIUI 10 • 18:9 screen	• Colors: Black • 2GB microSD included • Samsung TouchWiz 4 UI • HAC M4/T4 • WiFi hotspot • Java framework
☢️ Radiation rate
	Redmi S2 (64GB)	Galaxy Attain 4G (SCH-R920)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered