Samsung Galaxy A31 vs ZTE Blade A3 (2019): 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

Blade A3 (2019):

LCD
Weight

Blade A3 (2019): 41 g lighter

Galaxy A31:

185 g

Blade A3 (2019):

144 g
Width

Blade A3 (2019): 5.6 mm narrower

Galaxy A31:

73.1 mm

Blade A3 (2019):

67.5 mm
Screen diagonal

Blade A3 (2019): 1.4 in smaller diagonal

Galaxy A31:

6.4 in

Blade A3 (2019):

5 in
Rear camera layout

Galaxy A31:

Quad

Blade A3 (2019):

Single
Depth

Galaxy A31: 1.9 mm thinner

Galaxy A31:

8.6 mm

Blade A3 (2019):

10.5 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 +21.9 mm versus Blade A3 (2019)
Width:

73.1 mm +5.6 mm versus Blade A3 (2019)
Depth:

8.6 mm
2. Blade A3 (2019)

Height:

137.4 mm
Width:

67.5 mm
Depth:

10.5 mm +1.9 mm versus Galaxy A31

Weight

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

1. Galaxy A31

185 g

+41 g versus Blade A3 (2019)
2. Blade A3 (2019)

144 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. Blade A3 (2019)

Screen diagonal:

5 in

Aspect ratio (height:width):

18:9

Approximate rectangular screen area:

64.5 cm²

Galaxy A31 has approximately 53.3% more rectangular screen area than Blade A3 (2019).

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, Blade A3 (2019), compared at the same storage capacity.
Storage	Galaxy A31	Blade A3 (2019)
16 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. Blade A3 (2019)

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 128 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 Blade A3 (2019)
2. Blade A3 (2019)

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. Blade A3 (2019)

Everyday essentials

Everyday essentials — specifications for Galaxy A31, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
Dimensions (HxWxD)	159.3 Х 73.1 Х 8.6 mm	137.4 Х 67.5 Х 10.5 mm
Weight	185 g	144 g
Technology	Super AMOLED	IPS LCD
Screen size	6.4" inch	5" inch
Screen resolution	1080 x 2400 px	480 x 960 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 1 GB RAM
Memory card support	microSDXC (dedicated slot)	microSD up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.	5000 mAh Non-removable Li-Po	2000 mAh Non-removable Li-Ion
Operating system OS	Android 10.0; One UI 2.0	Android 9.0 Pie (Go edition)
Chipset	Unknown	Unisoc SC9832E (28nm)
NFC	Yes (market/region dependent)	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy A31, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	98.9 cm2	64.5 cm2
Screen format	20:9 (height:width)	18:9 (height:width)
Screen to body ratio	84.9%	69.6%
PPI /points per inch/	411 PPI	215 PPI

Camera and Video

Camera and Video — specifications for Galaxy A31, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
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
Functions	LED flash panorama HDR	LED flash HDR
Video	1080p@30fps	720p@30fps
Front camera, selfie	20 MP Single	5 MP Single
Specifications	20 MP f/2.2 (wide)	5 MP

Performance

Performance — specifications for Galaxy A31, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
Processor CPU	Octa-core (2x2.0 GHz & 6x1.7 GHz)	Quad-core 1.4 GHz
Graphics processor GPU	Unknown	Mali-T820 MP1

General specs

General specs — specifications for Galaxy A31, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
Release date	2020 March 24	2019 April
Colors	Prism Crush Black Prism Crush Blue Prism Crush Red Prism Crush White	Black Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	60 EUR

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A31, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
SIM card	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by)	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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 20(800) 38(2600)
Speed	HSPA LTE-A	HSPA 42.2/5.76 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 GLONASS
USB	2.0 Type-C 1.0 reversible connector USB On-The-Go	microUSB 2.0
Bluetooth	5.0 A2DP LE	4.2 A2DP LE
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, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
Radio	Unknown	FM radio

Other features

Other features — specifications for Galaxy A31, Blade A3 (2019).
Specification	Galaxy A31	Blade A3 (2019)
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 15W	Sensors Accelerometer

Samsung Galaxy A31 vs ZTE Blade A3 (2019)