Allview X4 Xtreme vs BLU J2

Compare recorded specifications, size and practical differences.

Allview X4 Xtreme

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BLU J2

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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.

WeightJ2: 80.9 g lighterJ2: 146 g · X4 Xtreme: 226.9 g
WidthJ2: 10.2 mm narrowerJ2: 73.1 mm · X4 Xtreme: 83.3 mm
Screen diagonalJ2: 1 in smaller diagonalJ2: 5 in · X4 Xtreme: 6 in
DepthX4 Xtreme: 1.2 mm thinnerX4 Xtreme: 9.1 mm · J2: 10.3 mm
HeightJ2: 22.4 mm shorterJ2: 144 mm · X4 Xtreme: 166.4 mm
Release year2017 / 2019X4 Xtreme: 2017 · J2: 2019

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.

Front

Side

1. X4 Xtreme
Height
166.4 mm+22.4 mm versus J2
Width
83.3 mm+10.2 mm versus J2
Depth
9.1 mm

Weight
226.9 g
2. J2
Height
144 mm
Width
73.1 mm
Depth
10.3 mm+1.2 mm versus X4 Xtreme

Weight
146 g

Weight

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

1. X4 Xtreme226.9 g

+80.9 g versus J2
2. J2146 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.

Screen size

1. X4 Xtreme 6 in · 16:9 About 99.2 cm² rectangular area
2. J2 5 in · 16:9 About 68.9 cm² rectangular area

X4 Xtreme has approximately 44% 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 by storage capacity and phone
Storage	X4 Xtreme	J2
32 GB	Unknown	1 GB RAM

X4 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 512GB 4GB

Practical features

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

1. X4 Xtreme

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

2. J2

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

Battery capacity

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

Recorded capacity

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

1. X4 Xtreme4550 mAh

+2550 mAh versus J2
2. J22000 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. X4 Xtreme2. J2

Everyday essentials

Everyday essentials
Specification	X4 Xtreme	J2
Dimensions (HxWxD)	166.4 Х 83.3 Х 9.1 mm	144 Х 73.1 Х 10.3 mm
Weight	226.9 g	146 g
Technology	IPS LCD	IPS LCD
Screen size	6" inch	5" inch
Screen resolution	1080 x 1920 px	480 x 854 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	up to 64 GB (dedicated slot) 512GB 4GB	32GB 1GB RAM
Memory card support	microSD up to 256 GB (uses SIM 2 slot)	microSDXC
BatteryCapacity is not battery life. No endurance test is implied.	4550 mAh Non-removable Li-Po	2000 mAh Li-Po
Operating system OS	Android 7.0 (Nougat)	Android 8.1 Oreo (Go edition)
Chipset	Mediatek MT6757T Helio P25 (16 nm)	Unknown
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	X4 Xtreme	J2
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	99.2 cm2	68.9 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	146.1 Х 71.6 Х 9.9 mm	65.4%
PPI /points per inch/	367 PPI	196 PPI
Screen protection	Corning Gorilla Glass 3	Unknown

Camera and Video

Camera and Video
Specification	X4 Xtreme	J2
Rear camera, main	13 MP Dual-LED flash	5 MP Single
Camera specs	13 MP PDAF -5 MP (ultrawide/depth sensor)	5 MP
Functions	Dual-LED flash HDR panorama	LED flash
Video	1080p@30fps	720p@30fps
Front camera, selfie	20 MP Single	5 MP Single
Specifications	20 MP	5 MP

Performance

Performance
Specification	X4 Xtreme	J2
Processor CPU	Octa-core (4x2.5 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)	Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU	Mali-T880MP2	Mali-400
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	58758	Unknown

General specs

General specs
Specification	X4 Xtreme	J2
Release date	2017 June	2019 December
Colors	Mocha Gold	Blue Black Brown
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	Unknown	50 EUR
Battery life	Stand by time- Up to 379 h Talking time- Up to 25 h	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	X4 Xtreme	J2
SIM card	Hybrid Dual SIM (Micro-SIM/Nano SIM)	Dual SIM (Nano-SIM dual stand-by)
Network	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)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed	HSPA 21.1/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 21.1/5.76 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac 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	4.0 A2DP EDR	4.1 A2DP LE
Harmful irradiation	SAR EU - 1.01 W/kg (head)	Unknown

Music and Audio

Music and Audio
Specification	X4 Xtreme	J2
Radio	FM radio	FM radio

Other features

Other features
Specification	X4 Xtreme	J2
Dop	Sensors Fingerprint (front-mounted) Sensors Accelerometer gyro proximity compass - For Europe	Sensors Accelerometer For USA

Allview X4 Xtreme vs BLU J2