BLU J2 vs ZTE Blade A3: 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.

Weight

J2: 18 g lighter

J2:

146 g

Blade A3:

164 g
Width

J2: 2.7 mm narrower

J2:

73.1 mm

Blade A3:

75.8 mm
Screen diagonal

J2: 0.5 in smaller diagonal

J2:

5 in

Blade A3:

5.5 in
Memory variants

At 32 GB storage

J2:

1 GB RAM

Blade A3:

3 GB RAM
Depth

Blade A3: 2.1 mm thinner

J2:

10.3 mm

Blade A3:

8.2 mm
Height

J2: 8.4 mm shorter

J2:

144 mm

Blade A3:

152.4 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. J2

Height:

144 mm
Width:

73.1 mm
Depth:

10.3 mm +2.1 mm versus Blade A3
2. Blade A3

Height:

152.4 mm +8.4 mm versus J2
Width:

75.8 mm +2.7 mm versus J2
Depth:

8.2 mm

Weight

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

1. J2

146 g
2. Blade A3

164 g

+18 g versus J2

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. J2

Screen diagonal:

5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

68.9 cm²
2. Blade A3

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²

Blade A3 has approximately 21% more rectangular screen area than J2.

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 J2, Blade A3, compared at the same storage capacity.
Storage	J2	Blade A3
32 GB Recorded for all phones	1 GB RAM	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. J2

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSDXC

2. Blade A3

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 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. J2

2000 mAh
2. Blade A3

4000 mAh

+2000 mAh versus J2

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. J22. Blade A3

Everyday essentials

Everyday essentials — specifications for J2, Blade A3.
Specification	J2	Blade A3
Dimensions (HxWxD)	144 Х 73.1 Х 10.3 mm	152.4 Х 75.8 Х 8.2 mm
Weight	146 g	164 g
Technology	IPS LCD	IPS LCD
Screen size	5" inch	5.5" inch
Screen resolution	480 x 854 px	720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32GB 1GB RAM	32 GB 3 GB RAM
Memory card support	microSDXC	microSD up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.	2000 mAh Li-Po	4000 mAh Non-removable Li-Ion
Operating system OS	Android 8.1 Oreo (Go edition)	Android 7.1 (Nougat)
Chipset	Unknown	Mediatek MT6737T (28 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for J2, Blade A3.
Specification	J2	Blade A3
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	68.9 cm2	83.4 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	65.4%	72.2%
PPI /points per inch/	196 PPI	267 PPI

Camera and Video

Camera and Video — specifications for J2, Blade A3.
Specification	J2	Blade A3
Rear camera, main	5 MP Single	13 MP Single
Camera specs	5 MP	13 MP AF
Functions	LED flash	LED flash
Video	720p@30fps	1080p@30fps
Front camera, selfie	5 MP Single	5 MP Dual
Specifications	5 MP	5 MP 2 MP depth sensor

Performance

Performance — specifications for J2, Blade A3.
Specification	J2	Blade A3
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Quad-core 1.5 GHz Cortex-A53
Graphics processor GPU	Mali-400	Mali-T720MP2

General specs

General specs — specifications for J2, Blade A3.
Specification	J2	Blade A3
Release date	2019 December	2017 November
Colors	Blue Black Brown	Blue Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	50 EUR	150 EUR
Body build	Unknown	plastic body

Communication and Connectivity

Communication and Connectivity — specifications for J2, Blade A3.
Specification	J2	Blade A3
SIM card	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	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 39(1900) 40(2300) 41(2500)
Speed	HSPA 21.1/5.76 Mbps	HSPA LTE Cat4 150/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.1 A2DP LE	4.1 A2DP LE

Music and Audio

Music and Audio — specifications for J2, Blade A3.
Specification	J2	Blade A3
Radio	FM radio	FM radio

Other features

Other features — specifications for J2, Blade A3.
Specification	J2	Blade A3
Dop	Sensors Accelerometer For USA	Sensors Fingerprint (rear-mounted) accelerometer proximity

BLU J2 vs ZTE Blade A3

BLU J2

ZTE Blade A3

Key differences

Weight

Width

Screen diagonal

Memory variants

Depth

Height

Physical size

1. J2

2. Blade A3

Weight

1. J2

2. Blade A3

Screen size

1. J2

2. Blade A3

Memory variants

Practical features

1. J2

2. Blade A3

Battery capacity

Recorded battery capacity

1. J2

2. Blade A3

Specifications

Similar comparisons

BLU J2 vs Sony Xperia Z2