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Brief information about compared phones: Acer DX650 , Allview E4Acer DX650 2009 year of release. cpu Samsung S3C 6410 533 MHz. screen 2.8". with resolution 240x320. Smartphone has 2 megapixel main camera . Allview 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 . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | Super AMOLED | ||
| Screen size | 2.8" inch | 5.5" inch | ||
| Screen area | 24.3 cm2 | 68.9 cm2 | ||
| Screen format | 4:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 37.5% | 143.5 Х 69.8 Х 8 mm | ||
| Screen resolution | 240 x 320 px | 720 x 1280 px | ||
| PPI /points per inch/ | 143 PPI | 294 PPI | ||
| Camera and Video | Rear camera, main | 2 MP, Single | 13 MP, Single | |
| Camera specs | 2 MP | 13 MP, AF | ||
| Functions | Dual-LED flash | |||
| Video | panorama | 1080p@30fps | ||
| Front camera, selfie | 0 MP, | 5 MP, Single | ||
| Specifications | Super AMOLED | 5 MP | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Android 5.1 (Lollipop) | |
| Chipset | Mediatek MT6753 (28 nm) | |||
| Processor CPU | Samsung S3C 6410 533 MHz | Octa-core 1.3 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-T720MP3 | |||
| External memory | microSD (dedicated slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | Super AMOLED | 16 GB, 2 GB RAM | ||
| Antutu 7 score | 23156 | |||
| General specs | Release date | 2009, June | 2015, September | |
| Dimensions (HxWxD) | 109.6 Х 59 Х 15.6 mm | 140.7 Х 70.2 Х 8.6 mm | ||
| Weight | 133 g | 130 g | ||
| Colors | Black | Black, White | ||
| Battery | 1260 mAh, Removable Li-Ion | 2100 mAh, Removable Li-Po | ||
| Approximate price | 150 EUR | 240 EUR | ||
| Battery life | Stand by time- Up to 150 h Talking time- Up to 4 h | Stand by time- Up to 210 h Talking time- Up to 9 h 30 min | ||
| Communication and Connectivity | SIM card | Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM | Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE | 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) | ||
| Speed | Super AMOLED | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | ||
| GPRS | Class 10 | Class 12 | ||
| Edge | Class 10 | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | ||
| GPS | Yes, SiRF Star III chipset | Yes, with A-GPS | ||
| NFC | Super AMOLED | Super AMOLED | ||
| USB | miniUSB | microUSB 2.0 | ||
| Bluetooth | microUSB 2.0, A2DP | 4.0, A2DP, EDR | ||
| Harmful irradiation | SAR EU - 1.23 W/kg (head) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | panorama | Yes | ||
| Others | Secondary 1.27'' OLED display (128 x 96 pixel resolution) -Handwriting recognition | |||
| Other features | Dop | Sensors Accelerometer Pocket Office -Voice memo -MP3 player | Sensors Accelerometer, proximity, compass | |
