Xiaomi Redmi S2 (32GB) vs Samsung Galaxy A5 2017 (SM-A520K)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Xiaomi Redmi S2 vs Samsung Galaxy A5 (2017) phones, differences, pros, cons and full specifications. What's the better?

11/4/2018 9:49 PM, updated: 10/1/2020 12:06 PM

Compare Samsung Galaxy A5 (2017) X Xiaomi Redmi S2 (32GB) 09Points

Specifications Compare Models Pictures

5.99"
IPS

720x1440

12
MP

16mp

3GB
RAM

Octa-core

3080
mAh

(Non removable)

17Points Samsung Galaxy A5 2017 (SM-A520K) Compare Xiaomi Redmi S2 X

Specifications Compare Models Pictures

5.2"
AMOLED

1080x1920

16
MP

16mp

3GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A5 2017 (SM-A520K)

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 Redmi S2 (32GB)	vs	17 Advantages Samsung Galaxy A5 2017 (SM-A520K)
+2GHz 64bit Octa-core20% More powerful processor, you can open your applications faster	vs	1.9GHz 64bit Octa-core
+5.99"15% Larger screen	vs	5.2"
+(dual camera) 12MP + 5MP7% Higher resolution main camera	vs	(back) 16MP
+LED flash on both camerasAdvantage The LED flash on both cameras 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
+Android 8.1 OreoAdvantage Android 8.1 Oreo is newer and safer	vs	Android 8.0 Oreo
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+3080 mAh3% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 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)
3GB LPDDR3	vs	+3GB LPDDR4Advantage This RAM type is better and more efficient.
170 grams (5.95 ounces)	vs	+157 grams (5.5 ounces)8% Lighter
8.1 millimeters (0.32 inches)	vs	+7.9 millimeters (0.31 inches)3% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
720x1440 pixels	vs	+1080x1920 pixels100% Higher resolution screen
269 PPI	vs	+424 PPI58% Crisper display of text, images and videos because it has more pixels per inch (ppi)
f/2.2 (aperture)	vs	+f/1.9 (aperture)16% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+BarometerAdvantage Sensors help you use the device
10W	vs	+18W80% 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.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

26 Common items in both devices

32GB (21GB available) / 32GB (22GB available)

eMMC 5.1

Until 256GB microSD, microSDXC

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

+19 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 (32GB)	Galaxy A5 2017 (SM-A520K)
Change model		Choose the model
Model	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
Other model names	红米自拍手机S2, Xiaomi S2, Xiaomi Ysl	Galaxy A5 2017 (NTT Docomo) SM-A520K
Country or region available	(Global, International), China	South Korea
Brand	Xiaomi	Samsung
Release date	5/1/2018	1/13/2017
Depth	8.1 millimeters (0.32 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	77.26 x 160.73 millimeters (3.04 x 6.33 in)	71.4 x 146.1 millimeters (2.81 x 5.75 in)
Weight	170 grams (5.95 ounces)	157 grams (5.5 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
Display type	TFT IPS LCD	Super AMOLED
Screen size	5.99" inches	5.2" inches
Screen-to-body ratio	~74.6% (screen-to-body ratio)	~71.5% (screen-to-body ratio)
Display resolution	720x1440 pixels	1080x1920 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	269 PPI	424 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
System version	Android 7.1.2 Nougat	Android 6.0.1 Marshmallow
Firmware update	Android 8.1 Oreo	Android 8.0 Oreo
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	64bit: Samsung Exynos 7 Octa 7880 (14nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 1 processor: 8x 1.9GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	ARM Mali-T830 MP3
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
RAM memory	3GB LPDDR3	3GB LPDDR4
Internal storage	32GB (21GB available) eMMC 5.1	32GB (22GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
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) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	300/50 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	Tri-Band 900/1800/1900
Primary 2G network	CDMA 800 (China), GSM 850/900/1800/1900	GSM 900/1800/1900
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	UMTS 850/1900/2100
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 Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28) TD-LTE (Bands 38, 40, 41)
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	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 (32GB)	Galaxy A5 2017 (SM-A520K)
Back camera (main camera)	(dual camera) 12 megapixels 5MP depth	16 megapixels
Main camera resolution	4000x3000 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/2.2 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	27mm lens
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	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
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
Front camera (secondary)	16 megapixels	16 megapixels
Front camera resolution	4608x3456 pixels	4608x3456 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/2.0 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/3.1" inches
Pixel size	feature not registered	1µm pixel
🔉 Sound and multimedia
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.2 + A2DP	4.2 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz) 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, BeiDou
NFC	Not supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	3080 mAh	3000 mAh
Charger, watts	10W (5V/2A) Wired charging	18W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	16 hours
Standby	feature not registered	feature not registered
➕ Other features
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
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: Gray, Gold, Rose Gold, Blue, Black • MIUI 10 • 18:9 screen	• Colors: Black, Gold, Blue, Pink • Gorilla Glass on the back • Samsung Grace UX
☢️ Radiation rate
	Redmi S2 (32GB)	Galaxy A5 2017 (SM-A520K)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.337W/kg (head), 0.987W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered