Allview X2 Xtreme vs vivo NEX Dual Display: 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

NEX Dual Display: 5.4 g lighter

X2 Xtreme:

204.4 g

NEX Dual Display:

199 g
Width

NEX Dual Display: 6.7 mm narrower

X2 Xtreme:

82 mm

NEX Dual Display:

75.3 mm
Screen diagonal

X2 Xtreme: 0.39 in smaller diagonal

X2 Xtreme:

6 in

NEX Dual Display:

6.39 in
Chipset

X2 Xtreme:

Mediatek MT6795 Helio X10 (28 nm)

NEX Dual Display:

Qualcomm SDM845 Snapdragon 845 (10 nm)
Rear camera layout

X2 Xtreme:

Single

NEX Dual Display:

Triple
Depth

NEX Dual Display: 1.5 mm thinner

X2 Xtreme:

9.6 mm

NEX Dual Display:

8.1 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. X2 Xtreme

Height:

164 mm +6.8 mm versus NEX Dual Display
Width:

82 mm +6.7 mm versus NEX Dual Display
Depth:

9.6 mm +1.5 mm versus NEX Dual Display
2. NEX Dual Display

Height:

157.2 mm
Width:

75.3 mm
Depth:

8.1 mm

Weight

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

1. X2 Xtreme

204.4 g

+5.4 g versus NEX Dual Display
2. NEX Dual Display

199 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. X2 Xtreme

Screen diagonal:

6 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

99.2 cm²
2. NEX Dual Display

Screen diagonal:

6.39 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.2 cm²

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 X2 Xtreme, NEX Dual Display, compared at the same storage capacity.
Storage	X2 Xtreme	NEX Dual Display
128 GB	Unknown	10 GB RAM

X2 Xtreme: Original memory entry

up to 64 GB (dedicated slot) · 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. X2 Xtreme

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB

2. NEX Dual Display

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

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. X2 Xtreme

3500 mAh
2. NEX Dual Display

3500 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. X2 Xtreme2. NEX Dual Display

Everyday essentials

Everyday essentials — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
Dimensions (HxWxD)	164 Х 82 Х 9.6 mm	157.2 Х 75.3 Х 8.1 mm
Weight	204.4 g	199 g
Technology	Super AMOLED	Super AMOLED
Screen size	6" inch	6.39" inch
Screen resolution	1440 x 2560 px	1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	up to 64 GB (dedicated slot) 3 GB RAM	128 GB 10 GB RAM
Memory card support	microSD up to 256 GB	No
Battery Capacity is not battery life. No endurance test is implied.	3500 mAh Non-removable Li-Po	3500 mAh Non-removable Li-Ion
Operating system OS	Android 5.1 (Lollipop)	Android 9.0 (Pie); Funtouch 4.5
Chipset	Mediatek MT6795 Helio X10 (28 nm)	Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	99.2 cm2	100.2 cm2
Screen format	16:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	73.8%	84.7%
PPI /points per inch/	490 PPI	403 PPI

Camera and Video

Camera and Video — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
Rear camera, main	24 MP Single	12 MP Triple
Camera specs	24 MP 1/2.3'' DTS HD sound -Active noise cancellation with dedicated mic PDAF & laser AF	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
Functions	Dual-LED dual-tone flash panorama HDR	LED flash HDR panorama
Video	2160p@30fps	2160p@30fps 1080p@30fps
Front camera, selfie	8 MP Single	12 MP Triple
Specifications	8 MP AF	Uses main cameras

Performance

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

Performance — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
Processor CPU	Octa-core 2.0 GHz Cortex-A53	Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU	PowerVR G6200	Adreno 630
Antutu 7 score *	48960	Unknown
Antutu 8 score *	Unknown	340355

General specs

General specs — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
Release date	2015 June	2018 December
Colors	Gold	Polar Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	490 EUR	700 EUR
Battery life	Stand by time- Up to 350 h (3G) Talking time- Up to 12 h (3G)	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-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 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100) 7(2600) 33(1900) 38(2600) 39(1900)	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)
Speed	HSPA 21.1/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A (4CA) Cat16 1024/150 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS BDS GNSS
USB	microUSB 2.0 USB Host	2.0 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	4.0 A2DP EDR	5.0 A2DP LE

Music and Audio

Music and Audio — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
Radio	FM radio recording	No
Others	DTS sound -Active noise cancellation with dedicated mic	Secondary display (on the back): -Super AMOLED 5.49 inches 1080 x 1920 pixels 32-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features — specifications for X2 Xtreme, NEX Dual Display.
Specification	X2 Xtreme	NEX Dual Display
Dop	Sensors Fingerprint (rear-mounted) Sensors Accelerometer gyro proximity compass	Sensors Fingerprint (under display) accelerometer gyro proximity compass - Fast battery charging 10V/2.25A 22.5W

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Allview X2 Xtreme vs vivo NEX Dual Display