vivo NEX Dual Display vs Xolo Black: 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

NEX Dual Display:

OLED

Black:

LCD
Width

NEX Dual Display: 1.3 mm narrower

NEX Dual Display:

75.3 mm

Black:

76.6 mm
Screen diagonal

Black: 0.89 in smaller diagonal

NEX Dual Display:

6.39 in

Black:

5.5 in
Chipset

NEX Dual Display:

Qualcomm SDM845 Snapdragon 845 (10 nm)

Black:

Qualcomm MSM8939 Snapdragon 615 (28 nm)
Rear camera layout

NEX Dual Display:

Triple

Black:

Dual
Depth

Black: 0.8 mm thinner

NEX Dual Display:

8.1 mm

Black:

7.3 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. NEX Dual Display

Height:

157.2 mm
Width:

75.3 mm
Depth:

8.1 mm +0.8 mm versus Black

Weight:

199 g
2. Black

Height:

155.5 mm
Width:

76.6 mm +1.3 mm versus NEX Dual Display
Depth:

7.3 mm

Weight:

Unknown

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. NEX Dual Display

Screen diagonal:

6.39 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.2 cm²
2. Black

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²

NEX Dual Display has approximately 20.2% more rectangular screen area than Black.

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 NEX Dual Display, Black, compared at the same storage capacity.
Storage	NEX Dual Display	Black
16 GB	Not recorded	2 GB RAM
128 GB	10 GB RAM	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. NEX Dual Display

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: No

2. Black

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 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. NEX Dual Display

3500 mAh

+300 mAh versus Black
2. Black

3200 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. NEX Dual Display2. Black

Everyday essentials

Everyday essentials — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
Dimensions (HxWxD)	157.2 Х 75.3 Х 8.1 mm	155.5 Х 76.6 Х 7.3 mm
Weight	199 g	0 g
Technology	Super AMOLED	IPS LCD
Screen size	6.39" inch	5.5" inch
Screen resolution	1080 x 2340 px	1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128 GB 10 GB RAM	16 GB 2 GB RAM
Memory card support	No	microSD up to 32 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	3500 mAh Non-removable Li-Ion	3200 mAh Non-removable Li-Po
Operating system OS	Android 9.0 (Pie); Funtouch 4.5	Android 5.0 (Lollipop); HIVE Atlas UI
Chipset	Qualcomm SDM845 Snapdragon 845 (10 nm)	Qualcomm MSM8939 Snapdragon 615 (28 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	100.2 cm2	82.6 cm2
Screen format	19.5:9 (height:width)	16:9 (height:width)
Screen to body ratio	84.7%	69.3%
PPI /points per inch/	403 PPI	403 PPI
Screen protection	Unknown	Corning Gorilla Glass 3

Camera and Video

Camera and Video — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
Rear camera, main	12 MP Triple	13 MP Dual
Camera specs	12 MP f/1.8 1/2.55'' 1.4µm 4-axis OIS Dual Pixel PDAF -2 MP depth sensor -TOF camera f/1.3	13 MP AF -2 MP depth sensor
Functions	LED flash HDR panorama	LED flash
Video	2160p@30fps 1080p@30fps	1080p@30fps
Front camera, selfie	12 MP Triple	5 MP Single
Specifications	Uses main cameras	5 MP

Performance

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

Performance — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
Processor CPU	Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)	Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Graphics processor GPU	Adreno 630	Adreno 405
Antutu 7 score *	Unknown	30156
Antutu 8 score *	340355	Unknown

General specs

General specs — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
Release date	2018 December	2015 July
Colors	Polar Blue	Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	700 EUR	180 EUR
Battery life	Unknown	Stand by time- Up to 736 h (2G) / Up to 699 h (3G) Talking time- Up to 36 h (2G) / Up to 24 h (3G)
Body build	Unknown	Front/back glass (Gorilla Glass 3) aluminum frame

Communication and Connectivity

Communication and Connectivity — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
SIM card	Dual SIM (Nano-SIM dual stand-by)	Hybrid Dual SIM (Micro-SIM/Nano-SIM)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 19(800) 28(700) 38(2600) 39(1900) 40(2300) 41(2500)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE 1800 TD-LTE 2300
Speed	HSPA 42.2/5.76 Mbps LTE-A (4CA) Cat16 1024/150 Mbps	HSPA 42.2/11.5 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 BDS GNSS	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	4.0 A2DP
Harmful irradiation	Unknown	SAR EU - 0.13 W/kg (head) 0.27 W/kg (body)

Music and Audio

Music and Audio — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
Radio	No	FM radio
Others	Secondary display (on the back): -Super AMOLED 5.49 inches 1080 x 1920 pixels 32-bit/192kHz audio -Active noise cancellation with dedicated mic	Unknown

Other features

Other features — specifications for NEX Dual Display, Black.
Specification	NEX Dual Display	Black
Dop	Sensors Fingerprint (under display) accelerometer gyro proximity compass - Fast battery charging 10V/2.25A 22.5W	Sensors Accelerometer gyro proximity compass - For India

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vivo NEX Dual Display vs Xolo Black