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Brief information about compared phones: Celkon AR45 , TECNO Spark CMCelkon AR45 2013 year of release. cpu Dual-core 1.2 GHz Cortex-A7. screen 4.5". with resolution 960x854. Smartphone has 1 megapixel front camera and 5 megapixel main camera . TECNO Spark CM 2017 year of release. cpu Quad-core 1.3 GHz Cortex-A53. screen 5.7". with resolution 720x1440. Smartphone has 8 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4.5" inch | 5.7" inch | ||
| Screen area | 64.9 cm2 | 83.8 cm2 | ||
| Screen format | (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | % | 76.8% | ||
| Screen resolution | 960 x 854 px | 720 x 1440 px | ||
| PPI /points per inch/ | 0 PPI | 282 PPI | ||
| Screen protection | Corning Gorilla Glass (unspecified version) | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 13 MP, Single | |
| Camera specs | 5 MP | 13 MP, f/2.0, AF | ||
| Functions | LED flash | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 1.3 MP, Single | 8 MP, Single | ||
| Specifications | 1.3 MP | 8 MP | ||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 7.0 (Nougat) | |
| Chipset | Mediatek MT6572 (28 nm) | Mediatek MT6737 | ||
| Processor CPU | Dual-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-400 | Mali-T720MP2 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB | ||
| Internal memory | 4 GB, 512 MB RAM | 16 GB, 2 GB RAM | ||
| General specs | Release date | 2013, October | 2017, December | |
| Dimensions (HxWxD) | Х Х mm | 152.2 Х 71.7 Х 5.6 mm | ||
| Weight | 0 g | 172 g | ||
| Colors | White | Midnight Black, Champagne Gold | ||
| Battery | 2000 mAh, Li-Ion | 3050 mAh, Non-removable Li-Ion | ||
| Approximate price | 90 EUR | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100), 3(1800), 8(900), 40(2300), 41(2500) | ||
| Speed | HSPA | HSPA, LTE-A | ||
| GPRS | Class 12 | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | Yes | 4.2, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.74 W/kg (head) 0.68 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Fingerprint (rear-mounted), accelerometer, proximity | |
