Samsung Galaxy A31 vs Xolo Era 2X: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Display technology

OLED versus LCD

Galaxy A31:

OLED

Era 2X:

LCD
Screen diagonal

Era 2X: 1.4 in smaller diagonal

Galaxy A31:

6.4 in

Era 2X:

5 in
Rear camera layout

Galaxy A31:

Quad

Era 2X:

Single
Depth

Galaxy A31: 0.9 mm thinner

Galaxy A31:

8.6 mm

Era 2X:

9.5 mm
Height

Era 2X: 15.3 mm shorter

Galaxy A31:

159.3 mm

Era 2X:

144 mm
Release year

Galaxy A31:

2020

Era 2X:

2017

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. Galaxy A31

Height:

159.3 mm +15.3 mm versus Era 2X
Width:

73.1 mm
Depth:

8.6 mm

Weight:

185 g
2. Era 2X

Height:

144 mm
Width:

72.3 mm
Depth:

9.5 mm +0.9 mm versus Galaxy A31

Weight:

Unknown

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. Galaxy A31

Screen diagonal:

6.4 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

98.9 cm²
2. Era 2X

Screen diagonal:

5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

68.9 cm²

Galaxy A31 has approximately 43.5% more rectangular screen area than Era 2X.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Galaxy A31, Era 2X, compared at the same storage capacity.
Storage	Galaxy A31	Era 2X
64 GB	4 GB RAM	Unknown
128 GB	4 / 6 GB RAM Alternative RAM configurations	Unknown

Era 2X: Original memory entry

16 GB · 2/3 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Galaxy A31

NFC:: See details Yes (market/region dependent)
Headphone jack:: Yes
Memory card support:: See details microSDXC (dedicated slot)

2. Era 2X

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Galaxy A31

5000 mAh

+2500 mAh versus Era 2X
2. Era 2X

2500 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Galaxy A312. Era 2X

Everyday essentials

Everyday essentials — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
Dimensions (HxWxD)	159.3 Х 73.1 Х 8.6 mm	144 Х 72.3 Х 9.5 mm
Weight	185 g	0 g
Technology	Super AMOLED	IPS LCD
Screen size	6.4" inch	5" inch
Screen resolution	1080 x 2400 px	720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64GB 4GB RAM 128GB 4GB RAM 128GB 6GB RAM	16 GB 2/3 GB RAM
Memory card support	microSDXC (dedicated slot)	microSD up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.	5000 mAh Non-removable Li-Po	2500 mAh Removable Li-Ion
Operating system OS	Android 10.0; One UI 2.0	Android 6.0 (Marshmallow)
Chipset	Unknown	Mediatek MT6737 (28 nm)
NFC	Yes (market/region dependent)	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	98.9 cm2	68.9 cm2
Screen format	20:9 (height:width)	16:9 (height:width)
Screen to body ratio	84.9%	66.2%
PPI /points per inch/	411 PPI	294 PPI

Camera and Video

Camera and Video — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
Rear camera, main	48 MP Quad	8 MP Single
Camera specs	48 MP f/2.0 26mm (wide) 1/2.0" 0.8µm PDAF -8 MP f/2.2 13mm (ultrawide) 1/4.0" 1.12µm -5 MP f/2.4 (macro) -5 MP (depth)	8 MP AF f/2.0
Functions	LED flash panorama HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	20 MP Single	5 MP Single
Specifications	20 MP f/2.2 (wide)	5 MP f/2.4

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
Processor CPU	Octa-core (2x2.0 GHz & 6x1.7 GHz)	Quad-core 1.25 GHz Cortex-A53
Graphics processor GPU	Unknown	Mali-T720MP2
Antutu 7 score *	Unknown	30252

General specs

General specs — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
Release date	2020 March 24	2017 January
Colors	Prism Crush Black Prism Crush Blue Prism Crush Red Prism Crush White	Black/Gun Metal Latte Gold
Battery life	Unknown	Stand by time- Up to 322 h (3G) Talking time- Up to 16 h (2G) / Up to 12 h (3G)

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
SIM card	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by)	Dual SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800) 5(850) 40(2300)
Speed	HSPA LTE-A	HSPA 21.1/5.76 Mbps LTE Cat4 150/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot	Wi-Fi 802.11 b/g/n hotspot
GPS	Yes with A-GPS GLONASS GALILEO BDS	Yes with A-GPS
USB	2.0 Type-C 1.0 reversible connector USB On-The-Go	microUSB 2.0
Bluetooth	5.0 A2DP LE	4.0 A2DP
Harmful irradiation	SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
Radio	Unknown	FM radio

Other features

Other features — specifications for Galaxy A31, Era 2X.
Specification	Galaxy A31	Era 2X
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 15W	Sensors Fingerprint (rear-mounted) accelerometer proximity - For India

Samsung Galaxy A31 vs Xolo Era 2X