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Brief information about compared phones: Allview E4 , Samsung i637 JackAllview E4 2015 year of release. cpu Octa-core 1.3 GHz Cortex-A53. screen 5.5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 13 megapixel main camera . Samsung i637 Jack 2009 year of release. cpu 528 MHz. screen 2.4". with resolution 320x240. Smartphone has 3 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | Super AMOLED | 65K | ||
| Screen size | 5.5" inch | 2.4" inch | ||
| Screen area | 68.9 cm2 | 17.8 cm2 | ||
| Screen format | 16:9 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 143.5 Х 69.8 Х 8 mm | 25.0% | ||
| Screen resolution | 720 x 1280 px | 320 x 240 px | ||
| PPI /points per inch/ | 294 PPI | 167 PPI | ||
| Camera and Video | Rear camera, main | 13 MP, Single | 3.15 MP, Single | |
| Camera specs | 13 MP, AF | 3.15 MP | ||
| Functions | Dual-LED flash | |||
| Video | 1080p@30fps | Yes | ||
| Front camera, selfie | 5 MP, Single | 0 MP, | ||
| Specifications | 5 MP | |||
| Performance | Operating system OS | Android 5.1 (Lollipop) | Microsoft Windows Mobile 6.1 Standard, upgradable to Windows Mobile 6.5 | |
| Chipset | Mediatek MT6753 (28 nm) | |||
| Processor CPU | Octa-core 1.3 GHz Cortex-A53 | 528 MHz | ||
| Graphics processor GPU | Mali-T720MP3 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 16 GB (dedicated slot) | ||
| Internal memory | 16 GB, 2 GB RAM | 256 MB RAM, 256 MB ROM | ||
| Antutu 7 score | 23156 | |||
| General specs | Release date | 2015, September | 2009, May | |
| Dimensions (HxWxD) | 140.7 Х 70.2 Х 8.6 mm | 117 Х 61 Х 12.7 mm | ||
| Weight | 130 g | 102.1 g | ||
| Colors | Black, White | |||
| Battery | 2100 mAh, Removable Li-Po | 1480 mAh, Removable Li-Ion | ||
| Approximate price | 240 EUR | 120 EUR | ||
| Battery life | Stand by time- Up to 210 h Talking time- Up to 9 h 30 min | Stand by time- Up to 288 h Talking time- Up to 7 h | ||
| Communication and Connectivity | SIM card | Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 2(1900), 3(1800), 20(800), 38(2600) | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 3.6/0.384 Mbps | ||
| GPRS | Class 12 | Class 10 | ||
| Edge | Class 10 | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | Super AMOLED | |||
| USB | microUSB 2.0 | 2.0 | ||
| Bluetooth | 4.0, A2DP, EDR | 2.0, A2DP | ||
| Harmful irradiation | SAR EU - 1.23 W/kg (head) | SAR - 1.04 W/kg (head) 0.53 W/kg (body) | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | No | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass | Windows Media Player 10 -Windows Live, Yahoo!, AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T | |
