BLU J2 vs Huawei Mate X

Compare recorded specifications, size and practical differences.

BLU J2

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Huawei Mate X

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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.

Display technologyOLED versus LCDJ2: LCD · Mate X: OLED
WeightJ2: 149 g lighterJ2: 146 g · Mate X: 295 g
WidthJ2: 5.2 mm narrowerJ2: 73.1 mm · Mate X: 78.3 mm
Screen diagonalJ2: 3 in smaller diagonalJ2: 5 in · Mate X: 8 in
Rear camera layoutSingle / QuadJ2: Single · Mate X: Quad
DepthJ2: 0.7 mm thinnerJ2: 10.3 mm · Mate X: 11 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.

Front

Side

1. J2
Height
144 mm
Width
73.1 mm
Depth
10.3 mm

Weight
146 g
2. Mate X
Height
161.3 mm+17.3 mm versus J2
Width
78.3 mm+5.2 mm versus J2
Depth
11 mm+0.7 mm versus J2

Weight
295 g

Weight

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

1. J2146 g
2. Mate X295 g

+149 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.

At least two phones need compatible screen dimensions for a drawing.

1. J2 5 in · 16:9 About 68.9 cm² rectangular area
2. Mate X Screen geometry unavailable or conflicting

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	J2	Mate X
32 GB	1 GB RAM	Not recorded
512 GB	Not recorded	8 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. Mate X

NFC: Yes
Headphone jack: No
Memory card support: See details NM (Nano Memory) · up to 256GB (uses shared SIM slot)

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. J22000 mAh
2. Mate X4500 mAh

+2500 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. Mate X

Everyday essentials

Everyday essentials
Specification	J2	Mate X
Dimensions (HxWxD)	144 Х 73.1 Х 10.3 mm	161.3 Х 78.3 Х 11 mm
Weight	146 g	295 g
Technology	IPS LCD	OLED
Screen size	5" inch	8" inch
Screen resolution	480 x 854 px	2200 x 2480 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32GB 1GB RAM	512 GB 8 GB RAM
Memory card support	microSDXC	NM (Nano Memory) up to 256GB (uses shared SIM slot)
BatteryCapacity is not battery life. No endurance test is implied.	2000 mAh Li-Po	4500 mAh Non-removable Li-Po
Operating system OS	Android 8.1 Oreo (Go edition)	Android 9.0 (Pie); EMUI 9.1
Chipset	Unknown	HiSilicon Kirin 980 (7 nm)
NFC	Unknown	Yes
Headphone jack	Yes	No

Display

Display
Specification	J2	Mate X
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	68.9 cm2	205.0 cm2
Screen format	16:9 (height:width)	Unknown
Screen to body ratio	65.4%	86.9%
PPI /points per inch/	196 PPI	0 PPI

Camera and Video

Camera and Video
Specification	J2	Mate X
Rear camera, main	5 MP Single	40 MP Quad
Camera specs	5 MP	40 MP f/1.8 27mm (wide) 1/1.7" PDAF - 8 MP f/2.4 52mm (telephoto) - 16 MP f/2.2 17mm (ultrawide) - TOF 3D camera
Functions	LED flash	Leica optics Dual-LED dual-tone flash panorama HDR
Video	720p@30fps	2160p@30fps 1080p@30fps
Front camera, selfie	5 MP Single	40 MP Quad
Specifications	5 MP	uses main camera

Performance

Performance
Specification	J2	Mate X
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core (2x2.6 GHz Cortex-A76 & 2x1.92 GHz Cortex-A76 & 4x1.8 GHz Cortex-A55)
Graphics processor GPU	Mali-400	Mali-G76 MP10
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	367308

General specs

General specs
Specification	J2	Mate X
Release date	2019 December	2019 February
Colors	Blue Black Brown	Interstellar Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	50 EUR	2150 EUR

Communication and Connectivity

Communication and Connectivity
Specification	J2	Mate X
SIM card	Dual SIM (Nano-SIM dual stand-by)	Hybrid 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 6(900) 7(2600) 8(900) 9(1800) 12(700) 17(700) 18(800) 19(800) 20(800) 26(850) 28(700) 32(1500) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) -5G - 5G NSA / Sub6 / mmWave; N41/N77/N78/N79
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/5.76 Mbps LTE-A Cat21 1400/200 Mbps 5G
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO QZSS
USB	microUSB 2.0	3.1 Type-C 1.0 reversible connector
Bluetooth	4.1 A2DP LE	5.0 A2DP LE aptX HD

Music and Audio

Music and Audio
Specification	J2	Mate X
Radio	FM radio	No
Others	Unknown	Folded cover display: 6.6'' AMOLED 1148 x 2480 pixels (19.5:9) Active noise cancellation with dedicated mic

Other features

Other features
Specification	J2	Mate X
Dop	Sensors Accelerometer For USA	Sensors Fingerprint (side-mounted) accelerometer gyro proximity compass barometer Infrared port - Fast battery charging 55W -Huawei SuperCharge (85% in 30 min)