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Brief information about compared phones: Celkon A86 , ZTE SpeedCelkon A86 2013 year of release. cpu 1.0 GHz Cortex-A9. screen 3.5". with resolution 320x480. Smartphone has 3 megapixel main camera . ZTE Speed 2014 year of release. cpu Quad-core 1.2 GHz Cortex-A53. screen 4.5". with resolution 540x960. Smartphone has 2 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | TFT | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 3.5" inch | 4.5" inch | ||
| Screen area | 36.5 cm2 | 55.8 cm2 | ||
| Screen format | 3:2 (height:width) | (height:width) | ||
| Screen to body ratio | % | 62.8% | ||
| Screen resolution | 320 x 480 px | 540 x 960 px | ||
| PPI /points per inch/ | 165 PPI | 245 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 5 MP, Single | |
| Camera specs | 3.15 MP | 5 MP, AF | ||
| Functions | LED flash, panorama, HDR | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0 MP, | 2 MP, Single | ||
| Specifications | 2 MP | |||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Android 4.4.2 (KitKat) | |
| Chipset | Mediatek MT6515M | Qualcomm MSM8916 Snapdragon 410 (28 nm) | ||
| Processor CPU | 1.0 GHz Cortex-A9 | Quad-core 1.2 GHz Cortex-A53 | ||
| Graphics processor GPU | PowerVR SGX531 | Adreno 306 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 512 MB, 512 MB RAM | 8 GB, 1 GB RAM | ||
| General specs | Release date | 2013, March | 2014, December | |
| Dimensions (HxWxD) | Х Х mm | 134.6 Х 66 Х 10.2 mm | ||
| Weight | 0 g | 136.1 g | ||
| Colors | Black, White | Black | ||
| Battery | 1400 mAh, Li-Ion | 2000 mAh, Non-removable Li-Po | ||
| Approximate price | 80 EUR | |||
| Battery life | Stand by time- Up to 145 h Talking time- Up to 4 h | Talking time- Up to 14 h (3G) | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Micro-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE | ||
| Speed | HSPA, LTE | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0 | ||
| Bluetooth | Yes | 4.0, A2DP | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity - Flashlight | Sensors Accelerometer, proximity - For Boost Mobile | |
