Allview V2 Viper e vs Oppo A7x

Compare recorded specifications, size and practical differences.

Allview V2 Viper e

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Oppo A7x

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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.

WeightV2 Viper e: 35.8 g lighterV2 Viper e: 133.2 g · A7x: 169 g
WidthV2 Viper e: 8 mm narrowerV2 Viper e: 66 mm · A7x: 74 mm
Screen diagonalV2 Viper e: 1.8 in smaller diagonalV2 Viper e: 4.5 in · A7x: 6.3 in
ChipsetMediatek MT6580 (28 nm) / Mediatek MT6771 Helio P60 (12 nm)V2 Viper e: Mediatek MT6580 (28 nm) · A7x: Mediatek MT6771 Helio P60 (12 nm)
Rear camera layoutSingle / DualV2 Viper e: Single · A7x: Dual
DepthA7x: 1.1 mm thinnerA7x: 8 mm · V2 Viper e: 9.1 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.

Front

Side

1. V2 Viper e
Height
132 mm
Width
66 mm
Depth
9.1 mm+1.1 mm versus A7x

Weight
133.2 g
2. A7x
Height
156.7 mm+24.7 mm versus V2 Viper e
Width
74 mm+8 mm versus V2 Viper e
Depth
8 mm

Weight
169 g

Weight

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

1. V2 Viper e133.2 g
2. A7x169 g

+35.8 g versus V2 Viper e

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. V2 Viper e 4.5 in · 16:9 About 55.8 cm² rectangular area
2. A7x 6.3 in · 19.5:9 About 97.4 cm² rectangular area

A7x has approximately 74.5% more rectangular screen area than V2 Viper e.

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	V2 Viper e	A7x
8 GB	1 GB RAM	Unknown

A7x: Original memory entry

128 GB · 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. V2 Viper e

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

2. A7x

NFC: Unknown
Headphone jack: Yes
Memory card support: See details microSD · up to 256 GB (dedicated 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. V2 Viper e1850 mAh
2. A7x3500 mAh

+1650 mAh versus V2 Viper e

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. V2 Viper e2. A7x

Everyday essentials

Everyday essentials
Specification	V2 Viper e	A7x
Dimensions (HxWxD)	132 Х 66 Х 9.1 mm	156.7 Х 74 Х 8 mm
Weight	133.2 g	169 g
Technology	IPS LCD	LTPS IPS LCD
Screen size	4.5" inch	6.3" inch
Screen resolution	480 x 854 px	1080 x 2340 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	128 GB 512GB 4GB
Memory card support	microSD up to 256 GB	microSD up to 256 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.	1850 mAh Removable Li-Ion	3500 mAh Non-removable Li-Po
Operating system OS	Android 5.1 (Lollipop)	Android 8.1 (Oreo); ColorOS 5.2
Chipset	Mediatek MT6580 (28 nm)	Mediatek MT6771 Helio P60 (12 nm)
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	V2 Viper e	A7x
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	16M
Screen area	55.8 cm2	97.4 cm2
Screen format	16:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	64.1%	84.0%
PPI /points per inch/	218 PPI	409 PPI
Screen protection	Unknown	To be confirmed

Camera and Video

Camera and Video
Specification	V2 Viper e	A7x
Rear camera, main	5 MP Single	16 MP Dual
Camera specs	5 MP AF	16 MP f/1.8 1/3.1 1.0µm PDAF -2 MP f/2.4 depth sensor
Functions	Dual-LED flash HDR panorama	HDR
Video	720p@30fps	1080p@30fps
Front camera, selfie	2 MP Single	16 MP Single
Specifications	2 MP	16 MP f/2.0

Performance

Performance
Specification	V2 Viper e	A7x
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU	Mali-400MP2 Z525 -Mali-T720MP2 Z528	Mali-G72 MP3
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	24156	140725

General specs

General specs
Specification	V2 Viper e	A7x
Release date	2016 April	2018 September
Colors	Black White	Starry Purple Ice Flame Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	Unknown	270 EUR
Battery life	Stand by time- Up to 185 h Talking time- Up to 10 h	Unknown

Communication and Connectivity

Communication and Connectivity
Specification	V2 Viper e	A7x
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 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 -4G - LTE
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat13 600/100 Mbps
GPRS	Class 12	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n dual-band WiFi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0	microUSB 2.0 USB On-The-Go
Bluetooth	4.0 A2DP EDR	4.2 A2DP LE
Harmful irradiation	SAR EU - 0.46 W/kg (head)	Unknown

Music and Audio

Music and Audio
Specification	V2 Viper e	A7x
Radio	FM radio	FM radio
Others	DTS sound	Active noise cancellation with dedicated mic

Other features

Other features
Specification	V2 Viper e	A7x
Dop	Sensors Accelerometer proximity compass	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Charging 5V/2A 10W - For China

Allview V2 Viper e vs Oppo A7x