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Brief information about compared phones: Allview Viper E , OnePlus 2Allview Viper E 2014 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 4.5". with resolution 480x854. Smartphone has 2 megapixel front camera and 8 megapixel main camera . OnePlus 2 2015 year of release. cpu Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57). screen 5.5". with resolution 1080x1920. Smartphone has 5 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | IPS LCD | LTPS IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | Super AMOLED | 16M | ||
| Screen size | 4.5" inch | 5.5" inch | ||
| 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 | 73.3% | ||
| Screen resolution | 480 x 854 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 218 PPI | 401 PPI | ||
| Screen protection | Asahi Dragontrail Glass | Corning Gorilla Glass 3 | ||
| Camera and Video | Rear camera, main | 8 MP, Single | 13 MP, Single | |
| Camera specs | 8 MP, AF | 13 MP, f/2.0, 1/2.6'', 1.3µm, OIS, laser AF | ||
| Functions | Dual-LED flash, HDR | Dual-LED flash, panorama, HDR | ||
| Video | 1080p@30fps | 720p@30fps | ||
| Front camera, selfie | 2 MP, Single | 5 MP, Single | ||
| Specifications | 2 MP | 5 MP, f/2.4 | ||
| Performance | Operating system OS | Android 5.0 (Lollipop) | Android 5.1 (Lollipop), upgradable to 6.0.1 (Marshmallow); Oxygen 3.5.6 UI | |
| Chipset | Mediatek MT6582 (28 nm) | Qualcomm MSM8994 Snapdragon 810 (20 nm) | ||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57) | ||
| Graphics processor GPU | Mali-400MP2 Z525 -Mali-T720MP2 Z528 | Adreno 430 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | No | ||
| Internal memory | 8 GB, 1 GB RAM | 16 GB, 3 GB RAM64 GB, 512GB 4GB | ||
| Antutu 7 score | 91253 | |||
| GeekBench 4 Single Core | 1050 | |||
| GeekBench 4 Multi-Core | 2740 | |||
| GeekBench 4 RenderScript | 3510 | |||
| GeekBench 4 Battery | 1209 | |||
| GeekBench 5 Single Core | 208 | |||
| GeekBench 5 Multi-Core | 591 | |||
| General specs | Release date | 2014, September | 2015, July | |
| Dimensions (HxWxD) | 131 Х 65 Х 7.8 mm | 151.8 Х 74.9 Х 9.9 mm | ||
| Weight | 122.5 g | 175 g | ||
| Colors | Black, White | Sandstone Black | ||
| Battery | 1800 mAh, Removable Li-Ion | 3300 mAh, Non-removable Li-Po | ||
| Approximate price | 300 EUR | |||
| Battery life | Stand by time- Up to 225 h Talking time- Up to 9 h 15 min | |||
| Body build | aluminum frame, plastic back | |||
| Communication and Connectivity | 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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) | ||
| Speed | HSPA 21.1/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 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, Wi-Fi Direct, DLNA, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS | ||
| NFC | Super AMOLED | |||
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | ||
| Bluetooth | 4.0, A2DP, EDR | 4.1, A2DP | ||
| Harmful irradiation | SAR EU - 0.84 W/kg (head) 1.24 W/kg (body) | SAR EU - 0.43 W/kg (head) 0.20 W/kg (body) | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | Yes | ||
| Others | DTS sound -Yamaha amplifier | Active noise cancellation with dedicated mic | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Also known as OnePlus Two | |
