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Brief information about compared phones: alcatel OT-997 , Allview E4alcatel OT-997 2012 year of release. cpu Dual-core 1.0 GHz Cortex-A9. screen 4.3". with resolution 480x800. Smartphone has 0 megapixel front camera and 8 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 | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | Super AMOLED | ||
| Screen size | 4.3" inch | 5.5" inch | ||
| Screen area | 52.6 cm2 | 68.9 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 59.6% | 143.5 Х 69.8 Х 8 mm | ||
| Screen resolution | 480 x 800 px | 720 x 1280 px | ||
| PPI /points per inch/ | 217 PPI | 294 PPI | ||
| Screen protection | oleophobic coating | |||
| Camera and Video | Rear camera, main | 8 MP, Single | 13 MP, Single | |
| Camera specs | 8 MP, AF | 13 MP, AF | ||
| Functions | LED flash | Dual-LED flash | ||
| Video | 720p@30fps | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | VGA | 5 MP | ||
| Performance | Operating system OS | Android 4.0 (Ice Cream Sandwich) | Android 5.1 (Lollipop) | |
| Chipset | Mediatek MT6577 (40 nm) | Mediatek MT6753 (28 nm) | ||
| Processor CPU | Dual-core 1.0 GHz Cortex-A9 | Octa-core 1.3 GHz Cortex-A53 | ||
| Graphics processor GPU | PowerVR SGX531u | Mali-T720MP3 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 4 GB, 1 GB RAM | 16 GB, 2 GB RAM | ||
| Antutu 7 score | 23156 | |||
| General specs | Release date | 2012, August | 2015, September | |
| Dimensions (HxWxD) | 129.8 Х 68 Х 11 mm | 140.7 Х 70.2 Х 8.6 mm | ||
| Weight | 143 g | 130 g | ||
| Colors | Ardesia, White, Dark red, Orange | Black, White | ||
| Battery | 1800 mAh, Removable Li-Ion | 2100 mAh, Removable Li-Po | ||
| Approximate price | 250 EUR | 240 EUR | ||
| Battery life | Stand by time- Up to 400 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h 30 min (3G) | Stand by time- Up to 210 h Talking time- Up to 9 h 30 min | ||
| Communication and Connectivity | SIM card | Mini-SIM | Single SIM (Micro-SIM)Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | 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 | HSPA 7.2/5.76 Mbps | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | ||
| GPRS | Yes | Class 12 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | Super AMOLED | |||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 4.0, A2DP, EDR | ||
| Harmful irradiation | SAR - 0.50 W/kg (head) 0.74 W/kg (body) SAR EU - 0.50 W/kg (head) 0.74 W/kg (body) | SAR EU - 1.23 W/kg (head) | ||
| Music and Audio | Radio | Stereo FM radio, RDS | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | SRS audio | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass | Sensors Accelerometer, proximity, compass | |
