Samsung Galaxy A31 vs Unnecto Bolt: 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

Bolt:

LCD
Weight

Bolt: 15 g lighter

Galaxy A31:

185 g

Bolt:

170 g
Screen diagonal

Bolt: 1.4 in smaller diagonal

Galaxy A31:

6.4 in

Bolt:

5 in
Rear camera layout

Galaxy A31:

Quad

Bolt:

Single
Depth

Galaxy A31: 0.6 mm thinner

Galaxy A31:

8.6 mm

Bolt:

9.2 mm
Height

Bolt: 14.1 mm shorter

Galaxy A31:

159.3 mm

Bolt:

145.2 mm

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 +14.1 mm versus Bolt
Width:

73.1 mm
Depth:

8.6 mm
2. Bolt

Height:

145.2 mm
Width:

73.5 mm
Depth:

9.2 mm +0.6 mm versus Galaxy A31

Weight

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

1. Galaxy A31

185 g

+15 g versus Bolt
2. Bolt

170 g

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. Bolt

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 Bolt.

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, Bolt, compared at the same storage capacity.
Storage	Galaxy A31	Bolt
8 GB	Not recorded	1 GB RAM
64 GB	4 GB RAM	Not recorded
128 GB	4 / 6 GB RAM Alternative RAM configurations	Not recorded

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. Bolt

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

+3000 mAh versus Bolt
2. Bolt

2000 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. Bolt

Everyday essentials

Everyday essentials — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
Dimensions (HxWxD)	159.3 Х 73.1 Х 8.6 mm	145.2 Х 73.5 Х 9.2 mm
Weight	185 g	170 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	8 GB 1 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	2000 mAh Removable Li-Ion
Operating system OS	Android 10.0; One UI 2.0	Android 5.1 (Lollipop)
NFC	Yes (market/region dependent)	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
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%	64.6%
PPI /points per inch/	411 PPI	294 PPI

Camera and Video

Camera and Video — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
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 PDAF
Functions	LED flash panorama HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	20 MP Single	2 MP Single
Specifications	20 MP f/2.2 (wide)	2 MP AF

Performance

Performance — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
Processor CPU	Octa-core (2x2.0 GHz & 6x1.7 GHz)	Quad-core 1.1 GHz
Graphics processor GPU	Unknown	Adreno 304

General specs

General specs — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
Release date	2020 March 24	2016 June
Colors	Prism Crush Black Prism Crush Blue Prism Crush Red Prism Crush White	Black Silver
Battery life	Unknown	Stand by time- Up to 200 h (2G) / Up to 175 h (3G) Talking time- Up to 6 h (2G) / Up to 5 h (3G)

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
SIM card	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by)	Dual SIM (Micro-SIM dual stand-by)
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 850 / 900 / 1900 / 2100 -4G - LTE band 2(1900) 3(1800) 4(1700/2100) 12(700) 17(700)
Speed	HSPA LTE-A	HSPA LTE
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
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	4.1 LE
Harmful irradiation	SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)	SAR - 1.25 W/kg (head) 1.15 W/kg (body)

Music and Audio

Music and Audio — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
Radio	Unknown	No

Other features

Other features — specifications for Galaxy A31, Bolt.
Specification	Galaxy A31	Bolt
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 15W	Sensors Accelerometer proximity

Samsung Galaxy A31 vs Unnecto Bolt