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Brief information about compared phones: Celkon A87 , Wiko Rainbow JamCelkon A87 2013 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Wiko Rainbow Jam 2015 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | IPS LCD | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 5" inch | ||
| Screen area | 45.5 cm2 | 68.9 cm2 | ||
| Screen format | 5:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | % | 67.5% | ||
| Screen resolution | 480 x 800 px | 720 x 1280 px | ||
| PPI /points per inch/ | 233 PPI | 294 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 8 MP, Single | |
| Camera specs | 5 MP, AF | 8 MP, AF | ||
| Functions | LED flash, panorama, HDR | |||
| Video | Yes | 1080p@24fps | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | VGA | 5 MP | ||
| Performance | Operating system OS | Android 2.3.6 (Gingerbread) | Android 5.1 (Lollipop) | |
| Chipset | Spreadtrum 6820 | Mediatek MT6580 (28 nm) | ||
| Processor CPU | 1.0 GHz | Quad-core 1.3 GHz Cortex-A7 | ||
| Graphics processor GPU | Mali-400MP2 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 64 GB | ||
| Internal memory | 512 MB, 512 MB RAM | 8 GB, 1 GB RAM | ||
| Antutu 7 score | 24153 | |||
| GeekBench 4 Single Core | 358 | |||
| GeekBench 4 Multi-Core | 1195 | |||
| General specs | Release date | 2013, January | 2015, September | |
| Dimensions (HxWxD) | Х Х mm | 142.5 Х 71.6 Х 9.3 mm | ||
| Weight | 0 g | 159 g | ||
| Colors | Black, White | Black, White, Bleen, Coral, Blue | ||
| Battery | 1450 mAh, Li-Ion | 2500 mAh, Removable Li-Ion | ||
| Approximate price | 70 EUR | |||
| Battery life | Stand by time- Up to 220 h Talking time- Up to 3 h | Stand by time- Up to 336 h (2G) / Up to 336 h (3G) Talking time- Up to 23 h (2G) / Up to 20 h (3G) | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA 21.1/5.76 Mbps | |||
| GPRS | Yes | Up to 107 kbps | ||
| Edge | Yes | Up to 296 kbps | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | ||
| GPS | No | Yes, with A-GPS | ||
| NFC | ||||
| USB | Proprietary | microUSB 2.0, USB Host | ||
| Bluetooth | Yes | 4.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.33 W/kg (head) 0.48 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | ||||
| Other features | Dop | Sensors Accelerometer | Sensors Accelerometer, proximity - For Europe | |
