Samsung Galaxy A31 vs Samsung Galaxy A8 (2016): 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.

Width

Galaxy A31: 3.7 mm narrower

Galaxy A31:

73.1 mm

Galaxy A8 (2016):

76.8 mm
Screen diagonal

Galaxy A8 (2016): 0.7 in smaller diagonal

Galaxy A31:

6.4 in

Galaxy A8 (2016):

5.7 in
Rear camera layout

Galaxy A31:

Quad

Galaxy A8 (2016):

Single
Depth

Galaxy A8 (2016): 1.4 mm thinner

Galaxy A31:

8.6 mm

Galaxy A8 (2016):

7.2 mm
Height

Galaxy A8 (2016): 2.7 mm shorter

Galaxy A31:

159.3 mm

Galaxy A8 (2016):

156.6 mm
Release year

Galaxy A31:

2020

Galaxy A8 (2016):

2016

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 +2.7 mm versus Galaxy A8 (2016)
Width:

73.1 mm
Depth:

8.6 mm +1.4 mm versus Galaxy A8 (2016)
2. Galaxy A8 (2016)

Height:

156.6 mm
Width:

76.8 mm +3.7 mm versus Galaxy A31
Depth:

7.2 mm

Weight

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

1. Galaxy A31

185 g

+3 g versus Galaxy A8 (2016)
2. Galaxy A8 (2016)

182 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. Galaxy A8 (2016)

Screen diagonal:

5.7 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

89.6 cm²

Galaxy A31 has approximately 10.4% more rectangular screen area than Galaxy A8 (2016).

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, Galaxy A8 (2016), compared at the same storage capacity.
Storage	Galaxy A31	Galaxy A8 (2016)
32 GB	Not recorded	3 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. Galaxy A8 (2016)

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (uses SIM 2 slot)

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

+1700 mAh versus Galaxy A8 (2016)
2. Galaxy A8 (2016)

3300 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. Galaxy A8 (2016)

Everyday essentials

Everyday essentials — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
Dimensions (HxWxD)	159.3 Х 73.1 Х 8.6 mm	156.6 Х 76.8 Х 7.2 mm
Weight	185 g	182 g
Technology	Super AMOLED	Super AMOLED
Screen size	6.4" inch	5.7" inch
Screen resolution	1080 x 2400 px	1080 x 1920 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	32 GB 3 GB RAM
Memory card support	microSDXC (dedicated slot)	microSD up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	5000 mAh Non-removable Li-Po	3300 mAh Non-removable Li-Ion
Operating system OS	Android 10.0; One UI 2.0	Android 6.0.1 (Marshmallow)
Chipset	Unknown	Exynos 7420 Octa (14 nm)
NFC	Yes (market/region dependent)	Yes
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	98.9 cm2	89.6 cm2
Screen format	20:9 (height:width)	16:9 (height:width)
Screen to body ratio	84.9%	74.5%
PPI /points per inch/	411 PPI	386 PPI

Camera and Video

Camera and Video — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
Rear camera, main	48 MP Quad	16 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)	16 MP AF f/1.9
Functions	LED flash panorama HDR	LED flash panorama HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	20 MP Single	8 MP Single
Specifications	20 MP f/2.2 (wide)	8 MP f/1.9

Performance

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

Performance — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
Processor CPU	Octa-core (2x2.0 GHz & 6x1.7 GHz)	Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
Graphics processor GPU	Unknown	Mali-T760MP8
Antutu 7 score *	Unknown	87195
GeekBench 4 Single Core *	Unknown	1305
GeekBench 4 Multi-Core *	Unknown	4204
GeekBench 5 Single Core *	Unknown	244
GeekBench 5 Multi-Core *	Unknown	950

General specs

General specs — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
Release date	2020 March 24	2016 September
Colors	Prism Crush Black Prism Crush Blue Prism Crush Red Prism Crush White	Blue Pink Silver Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	300 EUR
Battery life	Unknown	Talking time- Up to 22 h (3G) Music play - Up to 44 h
Body build	Unknown	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
SIM card	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by)	Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 28(700) 38(2600) - Taiwan LTE band 1(2100) 20(800) 40(2300) - UAE
Speed	HSPA LTE-A	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 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 a/b/g/n dual-band WiFi Direct hotspot
GPS	Yes with A-GPS GLONASS GALILEO BDS	Yes with A-GPS GLONASS/ BDS (market dependant)
USB	2.0 Type-C 1.0 reversible connector USB On-The-Go	microUSB 2.0
Bluetooth	5.0 A2DP LE	4.1 A2DP EDR LE
Harmful irradiation	SAR EU - 0.49 W/kg (head) 1.68 W/kg (body)	SAR EU - 0.13 W/kg (head) 1.17 W/kg (body)

Music and Audio

Music and Audio — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
Radio	Unknown	FM radio RDS recording
Others	Unknown	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Galaxy A31, Galaxy A8 (2016).
Specification	Galaxy A31	Galaxy A8 (2016)
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 15W	Sensors Fingerprint (front-mounted) accelerometer proximity compass - ANT+ - Versions: A810F/DS (UAE); A810YZ (Taiwan) Also known as Samsung Galaxy A8 Duos (2016) with dual-SIM card slots

Samsung Galaxy A31 vs Samsung Galaxy A8 (2016)