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Brief information about compared phones: Allview Viper E , Sonim XP8Allview 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 . Sonim XP8 2018 year of release. cpu Octa-core 2.2 GHz Cortex-A53. screen 5". with resolution 1080x1920. Smartphone has 8 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | Super AMOLED | 16M | ||
| Screen size | 4.5" inch | 5" inch | ||
| Screen area | 55.8 cm2 | 68.9 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 127.3 Х 65.5 Х 10 mm | 57.0% | ||
| Screen resolution | 480 x 854 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 218 PPI | 441 PPI | ||
| Screen protection | Asahi Dragontrail Glass | Corning Gorilla Glass 3 | ||
| Camera and Video | Rear camera, main | 8 MP, Single | 12 MP, Single | |
| Camera specs | 8 MP, AF | 12 MP, PDAF | ||
| Functions | Dual-LED flash, HDR | LED flash, HDR, panorama | ||
| Video | 1080p@30fps | 1080p@30fps | ||
| Front camera, selfie | 2 MP, Single | 8 MP, Single | ||
| Specifications | 2 MP | 8 MP | ||
| Performance | Operating system OS | Android 5.0 (Lollipop) | Android 7.0 (Nougat) | |
| Chipset | Mediatek MT6582 (28 nm) | Qualcomm SDM630 Snapdragon 630 (14 nm) | ||
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | Octa-core 2.2 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-400MP2 Z525 -Mali-T720MP2 Z528 | Adreno 508 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 128 GB | ||
| Internal memory | 8 GB, 1 GB RAM | 64 GB, 512GB 4GB | ||
| Antutu 7 score | 71820 | |||
| General specs | Release date | 2014, September | 2018, April | |
| Dimensions (HxWxD) | 131 Х 65 Х 7.8 mm | 152 Х 79.5 Х 18 mm | ||
| Weight | 122.5 g | 335 g | ||
| Colors | Black, White | Black | ||
| Battery | 1800 mAh, Removable Li-Ion | 4900 mAh, Removable Li-Ion | ||
| Approximate price | 700 EUR | |||
| Battery life | Stand by time- Up to 225 h Talking time- Up to 9 h 15 min | Stand by time- Up to 720 h Talking time- Up to 30 h Music play - Up to 70 h | ||
| 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 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 40(2300), 41(2500), 66(1700/2100) | ||
| Speed | HSPA 21.1/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 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 | ||
| NFC | Super AMOLED | Yes | ||
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector; magnetic connector | ||
| Bluetooth | 4.0, A2DP, EDR | 5.0, A2DP, EDR, LE | ||
| Harmful irradiation | SAR EU - 0.84 W/kg (head) 1.24 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | DTS sound -Yamaha amplifier | Active noise cancellation with dedicated mic | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass | Sensors Accelerometer, gyro, proximity, compass, barometer - Fast battery charging (Quick Charge 4.0) - IP69 dust proof and water resistant over 1 meter and 30 minutes -MIL-STD-810G | |
