Allview Viper E vs Oppo R11

Compare recorded specifications, size and practical differences.

Allview Viper E

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Oppo R11

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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 LCDViper E: LCD · R11: OLED
WeightViper E: 27.5 g lighterViper E: 122.5 g · R11: 150 g
WidthViper E: 9.8 mm narrowerViper E: 65 mm · R11: 74.8 mm
Screen diagonalViper E: 1 in smaller diagonalViper E: 4.5 in · R11: 5.5 in
ChipsetMediatek MT6582 (28 nm) / Qualcomm SDM660 Snapdragon 660 (14 nm)Viper E: Mediatek MT6582 (28 nm) · R11: Qualcomm SDM660 Snapdragon 660 (14 nm)
Rear camera layoutSingle / DualViper E: Single · R11: Dual

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. Viper E
Height
131 mm
Width
65 mm
Depth
7.8 mm

Weight
122.5 g
2. R11
Height
154.5 mm
Width
74.8 mm
Depth
6.8 mm

Weight
150 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials

Everyday essentials
Specification	Viper E	R11
Dimensions (HxWxD)	131 Х 65 Х 7.8 mm	154.5 Х 74.8 Х 6.8 mm
Weight	122.5 g	150 g
Technology	IPS LCD	AMOLED
Screen size	4.5" inch	5.5" inch
Screen resolution	480 x 854 px	1080 x 1920 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 6 GB RAM 64 GB 512GB 4GB
Memory card support	microSD up to 32 GB (dedicated slot)	microSD up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	1800 mAh Removable Li-Ion	3000 mAh Non-removable Li-Po
Operating system OS	Android 5.0 (Lollipop)	Android 7.1.1 (Nougat); ColorOS 3.1
Chipset	Mediatek MT6582 (28 nm)	Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	Viper E	R11
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	16M
Screen area	55.8 cm2	83.4 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	127.3 Х 65.5 Х 10 mm	72.2%
PPI /points per inch/	218 PPI	401 PPI
Screen protection	Asahi Dragontrail Glass	Corning Gorilla Glass 5

Camera and Video

Camera and Video
Specification	Viper E	R11
Rear camera, main	8 MP Single	16 MP Dual
Camera specs	8 MP AF	16 MP f/1.7 1/2.8'' 1.12µm PDAF -20 MP f/2.6 1.0µm AF
Functions	Dual-LED flash HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	2 MP Single	20 MP Single
Specifications	2 MP	20 MP f/2.0

Performance

Performance
Specification	Viper E	R11
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU	Mali-400MP2 Z525 -Mali-T720MP2 Z528	Adreno 512
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	136392
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	5602
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	4973
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	666
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1478

General specs

General specs
Specification	Viper E	R11
Release date	2014 September	2017 June
Colors	Black White	Black Gold Rose Gold Red
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	Unknown	400 EUR
Battery life	Stand by time- Up to 225 h Talking time- Up to 9 h 15 min	Unknown
Body build	Unknown	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity
Specification	Viper E	R11
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-SIM dual stand-by)	Single SIM (Nano-SIM)Hybrid 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 (dual-SIM model only) CDMA 800 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 8(900) 38(2600) 39(1900) 40(2300) 41(2500) - Dual SIM LTE band 1(2100) 7(2600) 20(800) 28(700) 41(2500) - Single SIM
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 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/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS
USB	microUSB 2.0	microUSB 2.0 USB On-The-Go
Bluetooth	4.0 A2DP EDR	4.2 A2DP LE EDR
Harmful irradiation	SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)	Unknown

Music and Audio

Music and Audio
Specification	Viper E	R11
Radio	FM radio	No
Others	DTS sound -Yamaha amplifier	Active noise cancellation with dedicated mic

Other features

Other features
Specification	Viper E	R11
Dop	Sensors Accelerometer proximity compass	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass - Fast battery charging: (VOOC Flash Charge)