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Brief information about compared phones: Amoi E78 , Celkon A40Amoi E78 2007 year of release. cpu Super AMOLED. screen 2.46". with resolution 240x320. Smartphone has 2 megapixel main camera . Celkon A40 2014 year of release. cpu Dual-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | touchscreen | ||
| Display colors | 65K | |||
| Screen size | 2.46" inch | 4" inch | ||
| Screen area | 18.7 cm2 | 45.5 cm2 | ||
| Screen format | 4:3 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 26.7% | 56.4% | ||
| Screen resolution | 240 x 320 px | 480 x 800 px | ||
| PPI /points per inch/ | 163 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 2 MP, Single | 5 MP, Single | |
| Camera specs | 2 MP | 5 MP | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 0 MP, | 0.3 MP, Single | ||
| Specifications | Super AMOLED | VGA | ||
| Performance | Operating system OS | Microsoft Windows Mobile 5.0 PocketPC | Android 4.2.2 (Jelly Bean) | |
| Processor CPU | Super AMOLED | Dual-core 1.3 GHz | ||
| External memory | microSD (dedicated slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 64 MB | 4 GB, 512 MB RAM | ||
| General specs | Release date | 2007 | 2014, January | |
| Dimensions (HxWxD) | 115 Х 61 Х 12.7 mm | 126.2 Х 64 Х 10.8 mm | ||
| Weight | 150 g | 126.5 g | ||
| Colors | Black | White, Yellow, Blue | ||
| Battery | 1100 mAh, Removable Li-Ion | 1500 mAh, Li-Ion | ||
| Communication and Connectivity | SIM card | Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM | Dual SIM | |
| 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: | ||
| Speed | Super AMOLED | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | panorama | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | panorama | Yes | ||
| NFC | Super AMOLED | |||
| USB | panorama | microUSB 2.0 | ||
| Bluetooth | Quad-core 1.25 GHz Cortex-A53, A2DP | 2.0 | ||
| Music and Audio | Radio | panorama | FM radio | |
| Headphone jack | panorama | Yes | ||
| Other features | Dop | File transfer -Organizer -Task synchronizing -Pocket Office | Sensors Accelerometer, proximity | |
