Xiaomi Redmi 2A vs Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)

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Side by side comparison between Xiaomi Redmi 2A vs Samsung Galaxy M31 phones, differences, pros, cons and full specifications. What's the better?

3/22/2020 2:35 PM, updated: 10/26/2021 8:15 AM

Compare Samsung Galaxy M31 X Xiaomi Redmi 2A 04Points

Specifications Compare Models Pictures

4.7"
IPS

720x1280

8
MP

2mp

1GB
RAM

Quad-core

2200
mAh

(Removable)

23Points Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB) Compare Xiaomi Redmi 2A X

Specifications Compare Models Pictures

6.4"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

Octa-core

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy M31 (SM-M315F/DS 128GB/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!

4 Advantages Xiaomi Redmi 2A	vs	23 Advantages Samsung Galaxy M31 (SM-M315F/DS 128GB/6GB)
+134 grams (4.69 ounces)43% Lighter	vs	191 grams (6.69 ounces)
+Proximity sensorAdvantage Sensors help you use the device	vs	Not supported
+LiPo: li-ion polymer (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1.5GHz 32bit Quad-core	vs	+2.3GHz 64bit Octa-core (10nm)88% More powerful processor, you can open your applications faster
1GB LPDDR3	vs	+6GB LPDDR4X5 times More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)	vs	+128GB (108GB available)26 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards
9.4 millimeters (0.37 inches)	vs	+8.9 millimeters (0.35 inches)6% Thinner
TFT IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
720x1280 pixels	vs	+1080x2340 pixels174% Higher resolution screen
312 PPI	vs	+403 PPI29% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.7"	vs	+6.4"36% Larger screen
(back) 8MP	vs	+(quad camera) 64MP + 8MP + 5MP + 5MP9 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)	vs	+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2MP	vs	+(front) 32MP16 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) HD (1280x720)	vs	+(front) 4K UHD (3840x2160)8 times More image quality for recording videos with the secondary camera
Android 4.4.4 KitKat	vs	+Android 11Advantage Android 11 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
2200 mAh	vs	+6000 mAh173% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
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.

19 Common items in both devices

Plastic body, glass front

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

4G LTE / 4G LTE-A

Capacitive

+12 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 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Change model		Choose the model
Model	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Other model names	Xiaomi Hongmi 2A, Xiaomi Redmi 2A Dual-Sim	Galaxy M315F/Dual-Sim (128GB + 6GB RAM)
Country or region available	China, Hong Kong	(Latin America), (Global, International), Philippines, India, Indonesia, Malaysia
Brand	Xiaomi	Samsung
Release date	3/1/2015	3/5/2020, Announced: 2/25/2020
Depth	9.4 millimeters (0.37 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	67.2 x 134 millimeters (2.65 x 5.28 in)	75.1 x 159.2 millimeters (2.96 x 6.27 in)
Weight	134 grams (4.69 ounces)	191 grams (6.69 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Display type	TFT IPS LCD	Super AMOLED
Screen size	4.7" inches	6.4" inches
Screen-to-body ratio	~67.6% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	312 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Dragontrail Glass	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	420nits[peak]
🤖 Operating System
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
System version	Android 4.4.4 KitKat	Android 10
Firmware update	feature not registered	Android 11
User Interface	feature not registered	feature not registered
⚙️ Processor
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Chipset	32bit: Leadcore InnoPower LC1860C	64bit: Samsung Exynos 9611 (10nm)
CPU	Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A7 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	ARM Mali-T628 MP2	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
RAM memory	1GB LPDDR3	6GB LPDDR4X
Internal storage	8GB (4GB available)	128GB (108GB available) UFS 2.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Tri-Band 900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	TD-SCDMA 1900/2000 UMTS 850/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat4 (Bands 3, 7) TD-LTE (Bands 38, 39, 40, 41)	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 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
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Back camera (main camera)	8 megapixels	(quad camera) 64 megapixels 8MP ultrawide f/2.212mm1/4.0"1.12µm 5MP macro f/2.425mm1/5.0"1.12µm 5MP depth f/2.2
Main camera resolution	3264x2448 pixels	10120x6328 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.2 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/1.72" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Front camera (secondary)	2 megapixels	32 megapixels
Front camera resolution	1600x1200 pixels	6528x4896 pixels
Video recording (secondary)	HD (1280x720)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
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	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
Battery type	LiPo: li-ion polymer (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2200 mAh	6000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
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: Black, White, Yellow, Pink, Green • MIUI 6.0	• Colors: Ocean Blue, Space Black, Red • One UI 2.0, 3.1
☢️ Radiation rate
	Redmi 2A	Galaxy M31 (SM-M315F/DS 128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.52W/kg (head), 0.69W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.482W/kg (head), 1.127W/kg (body)