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Brief information about compared phones: Celkon A40 , Panasonic T45Celkon 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 . Panasonic T45 2015 year of release. cpu Quad-core 1.0 GHz Cortex-A53. screen 4.5". with resolution 480x854. Smartphone has 0 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 4.5" inch | ||
| Screen area | 45.5 cm2 | 55.8 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 56.4% | 65.4% | ||
| Screen resolution | 480 x 800 px | 480 x 854 px | ||
| PPI /points per inch/ | 233 PPI | 218 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 5 MP, Single | |
| Camera specs | 5 MP | 5 MP, AF | ||
| Functions | LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | VGA | VGA | ||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 5.1 (Lollipop) | |
| Chipset | Mediatek MT6735M (28 nm) | |||
| Processor CPU | Dual-core 1.3 GHz | Quad-core 1.0 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-T720MP2 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 4 GB, 512 MB RAM | 8 GB, 1 GB RAM | ||
| General specs | Release date | 2014, January | 2015, August | |
| Dimensions (HxWxD) | 126.2 Х 64 Х 10.8 mm | 130.6 Х 65.3 Х 9.5 mm | ||
| Weight | 126.5 g | 0 g | ||
| Colors | White, Yellow, Blue | White, Black | ||
| Battery | 1500 mAh, Li-Ion | 1800 mAh, Removable Li-Po | ||
| Approximate price | 100 EUR | |||
| Communication and Connectivity | SIM card | Dual SIM | Dual SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE 700 / 800 / 900 / 1700 / 1900 / 2300 / 2600 | ||
| Speed | HSPA, LTE | |||
| 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 | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 2.0 | 4.0, A2DP | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Accelerometer, proximity | |
