Samsung Galaxy A31 vs Samsung Galaxy S2 I9100, S II

Here you can compare Samsung Galaxy A31 and Samsung Galaxy S2 I9100, S II. Comparing Samsung Galaxy A31 vs Samsung Galaxy S2 I9100, S II on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy A31 stands against Samsung Galaxy S2 I9100, S II and which one should you buy The current lowest price found for Samsung Galaxy A31 is ₹17,999 and for Samsung Galaxy S2 I9100, S II is ₹4,999. The details of both of these products were last updated on Jul 10, 2026.

Specification	Samsung Galaxy A31	Samsung Galaxy S2 I9100, S II
OS	Android v10	Android v2.3.4 (Gingerbread)
Battery	5000 mAh, Li-Po Battery	1650 mAh, Li-ion Battery
Internal Memory	128 GB	16 GB
Display	6.4 inches, 2400 x 1080 pixels	4.3 inches, 480 x 800 pixels
CPU	2 GHz, Octa Core Processor	1.2 GHz, Dual Core Processor
Price	₹17,999	₹4,999

Samsung Galaxy A31₹17,999

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Samsung Galaxy S2 I9100, S II₹4,999

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Samsung Galaxy A31₹17,999

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Samsung Galaxy S2 I9100, S II₹4,999

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Overview

Specs Score	54 / 100 Better Specs	26 / 100
Sim Count	Dual Sim More Sim Slots	Single Sim
Display Size	6.4 in Bigger Display	4.3 in
Display Resolution	2400 x 1080 pixels Better Resolution	480 x 800 pixels
Screen To Body Ratio	~ 84.9% Less Bezels
RAM	6 GB More RAM	1 GB
Storage	128 GB More Storage	16 GB
CPU Clock Speed	2 GHz Faster Clock Speed	1.2 GHz
CPU Cores	Octa Core More CPU Cores	Dual Core
Rear Camera	48 MP Quad Better Camera Resolution	8 MP
Front Camera	20 MP Better Front Camera Resolution	2 MP
Weight	185 g	116 g Lighter
Battery	5000 mAh Bigger Battery	1650 mAh
Unique Features	Fingerprint Sensor 4G Fast Charging No NFC	No No No FM Radio No

General

Model	Galaxy A31
Sim Type	Dual Sim, GSM+GSM	Single Sim, GSM
Dual Sim	Yes	No
Sim Size	Nano+Nano SIM
Device Type	Smartphone	Smartphone
Release Date	June 4, 2020	February, 2011

Design

Dimensions	73.1 x 159.3 x 8.6 mm	66.09 x 125.3 x 8.5 mm
Weight	185 g	116 g

Display

Type	Color Super AMOLED Screen (16M Colors)	Color Super AMOLED Plus Screen (16M colors Colors)
Touch	Yes	Yes
Size	6.4 inches, 2400 x 1080 pixels	4.3 inches, 480 x 800 pixels
Aspect Ratio	20:9	5:3
PPI	~ 412 PPI	~ 217 PPI
Screen to Body Ratio	~ 84.9%
Features	Full HD+
Notch	Yes, Water Drop Notch

Memory

RAM	6 GB	1 GB
Storage	128 GB	16 GB
Card Slot	Yes, upto 512 GB	Yes, upto 32 GB

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes 21 Mbps Download 5.76 Mbps Upload
4G	Yes
VoLTE	Yes, Dual Stand-By
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Bluetooth	Yes, v5.0, A2DP, LE	Yes, v3.0
USB	Yes, USB-C v2.0	Yes, microUSB-MHL v2.0
USB Features	USB Tethering, USB on-the-go, USB Charging	USB on-the-go

Extra

GPS	GPS, Glonass, Beidou, Galileo	Yes, with A-GPS Support
Fingerprint Sensor	Yes, In Display
Face Unlock	Yes
Sensors	Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing, Compass	Accelerometer, Gyroscope, Compass
3.5mm Headphone Jack	Yes	Yes
NFC	Yes
Extra		HDMI, DLNA, TV Out

Camera

Rear Camera	48 MP ƒ/2 (Main) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.4 (Macro) Macro 5 MP ƒ/2.4 (Depth Sensor)	8 MP
Auto Focus	Yes	Yes
Features		Face detection, Smile detection, Geo tagging, Touch to focus
Video Recording	1080p @ 30 fps FHD	1080p @ 30 fps FHD
Flash	Yes, LED	Yes, LED
Front Camera	20 MP ƒ/2 (Main)	2 MP
Front Video Recording	1080p @ 30 fps FHD

Technical

OS	Android v10	Android v2.3.4 (Gingerbread)
Chipset	mediatek Helio P65
CPU	2 GHz, Octa Core Processor	1.2 GHz, Dual Core Processor
GPU	Arm Mali-G52 2EEMC2
Java	No	Yes, via 3rd party
Browser	Yes, supports HTML5	Yes, supports HTML

Multimedia

Supports		MMS, Instant Messaging, Voice Commands, Calendar, YouTube Player
Email	Yes	Yes, with Push Email
Music	MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA	MP3, WAV, eAAC+, AC3, FLAC
Video	MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM	MP4, DivX, XviD, WMV, H.264, H.263
FM Radio	No	Yes
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Removable Battery
Size	5000 mAh, Li-Po Battery	1650 mAh, Li-ion Battery
Fast Charging	Yes
StandBy Time		29 days
Talk Time	33 hours	18 hours
Music Playback Time	97 hours

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