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Brief information about compared phones: Acer Liquid E1 , Celkon A66Acer Liquid E1 2013 year of release. cpu Dual-core 1.0 GHz Cortex-A9. screen 4.5". with resolution 540x960. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Celkon A66 2014 year of release. cpu Dual-core 1.2 GHz. screen 4.5". with resolution 480x854. Smartphone has 0 megapixel front camera and 3 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4.5" inch | 4.5" inch | ||
| Screen area | 55.8 cm2 | 55.8 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 61.7% | 61.1% | ||
| Screen resolution | 540 x 960 px | 480 x 854 px | ||
| PPI /points per inch/ | 245 PPI | 218 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 3.15 MP, Single | |
| Camera specs | 5 MP, AF | 3.15 MP | ||
| Functions | Dual-LED flash | LED flash | ||
| Video | 720p@30fps | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | 2 MP or VGA | VGA | ||
| Performance | Operating system OS | Android 4.1.1 (Jelly Bean) | Android 4.1.2 (Jelly Bean) | |
| Chipset | Mediatek MT6577 (40 nm) | |||
| Processor CPU | Dual-core 1.0 GHz Cortex-A9 | Dual-core 1.2 GHz | ||
| Graphics processor GPU | SGX531u | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB | ||
| Internal memory | 4 GB, 1 GB RAM | 4 GB, 512 MB RAM | ||
| General specs | Release date | 2013, January | 2014 | |
| Dimensions (HxWxD) | 132 Х 68.5 Х 9.9 mm | 136 Х 67.2 Х 11 mm | ||
| Weight | 130 g | 98 g | ||
| Colors | Black, White | White, Black | ||
| Battery | 1760 mAh, Removable Li-Ion | 2000 mAh, Li-Ion | ||
| Approximate price | 170 EUR | |||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 8 h | Stand by time- Up to 160 h Talking time- Up to 5 h | ||
| Communication and Connectivity | SIM card | Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM, dual stand-by) | Dual SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)-3G - HSDPA-4G - LTE | Show all network frequencies: | ||
| Speed | HSPA 42.2/5.76 Mbps | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS | Yes | ||
| NFC | Yes (single sim model only) | |||
| USB | microUSB 2.0 | microUSB | ||
| Bluetooth | 3.0, A2DP, EDR | 2.0 | ||
| Harmful irradiation | SAR EU - 0.47 W/kg (head) | SAR EU - 0.38 W/kg (head) 0.47 W/kg (body) | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | 21 MP | |||
| Other features | Dop | Sensors Accelerometer, gyro, proximity, compass - Also available as Acer Liquid E1 Dual with dual SIM card slot | Sensors Accelerometer, proximity | |
