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Brief information about compared phones: BLU Studio X Plus , Celkon A40BLU Studio X Plus 2015 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 5.5". with resolution 720x1280. Smartphone has 2 megapixel front camera and 8 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 | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | touchscreen | ||
| Display colors | 16M | |||
| Screen size | 5.5" inch | 4" inch | ||
| Screen area | 83.4 cm2 | 45.5 cm2 | ||
| Screen format | 16:9 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 70.0% | 56.4% | ||
| Screen resolution | 720 x 1280 px | 480 x 800 px | ||
| PPI /points per inch/ | 267 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 8 MP, Single | 5 MP, Single | |
| Camera specs | 8 MP, AF | 5 MP | ||
| Functions | LED flash | |||
| Video | 1080p@30fps | Yes | ||
| Front camera, selfie | 2 MP, Single | 0.3 MP, Single | ||
| Specifications | 2 MP | VGA | ||
| Performance | Operating system OS | Android 4.4.2 (KitKat), upgradable to 5.0 (Lollipop) | Android 4.2.2 (Jelly Bean) | |
| Processor CPU | Quad-core 1.3 GHz Cortex-A7 | Dual-core 1.3 GHz | ||
| Graphics processor GPU | Mali-400 | |||
| External memory | microSD, up to 64 GB | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 8 GB, 1 GB RAM | 4 GB, 512 MB RAM | ||
| General specs | Release date | 2015, January | 2014, January | |
| Dimensions (HxWxD) | 155.5 Х 76.6 Х 10.6 mm | 126.2 Х 64 Х 10.8 mm | ||
| Weight | 170 g | 126.5 g | ||
| Colors | Black, White, Blue, Gold, Pink | White, Yellow, Blue | ||
| Battery | 2600 mAh, Removable Li-Ion | 1500 mAh, Li-Ion | ||
| Battery life | Stand by time- Up to 800 h (2G) / Up to 775 h (3G) Talking time- Up to 28 h (2G) / Up to 16 h (3G) | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by) | Dual SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: | ||
| Speed | HSPA 21.1/5.76 Mbps | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS | Yes | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 2.0 | ||
| Music and Audio | Radio | Stereo FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, gyro, proximity | Sensors Accelerometer, proximity | |
