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Brief information about compared phones: Celkon A99 , QMobile E1Celkon A99 2012 year of release. cpu 650 MHz. screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 3 megapixel main camera . QMobile E1 2017 year of release. cpu Quad-core 1.0 GHz Cortex-A53. screen 5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 256K | 16M | ||
| Screen size | 4" inch | 5" inch | ||
| Screen area | 47.6 cm2 | 68.9 cm2 | ||
| Screen format | 3:2 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 61.3% | 66.6% | ||
| Screen resolution | 320 x 480 px | 720 x 1280 px | ||
| PPI /points per inch/ | 144 PPI | 294 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 8 MP, Single | |
| Camera specs | 3.15 MP | 8 MP, AF, f/2.2 | ||
| Functions | LED flash | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | 5 MP, f/2.4 | |||
| Performance | Operating system OS | Android 2.3.5 (Gingerbread) | Android 6.0 (Marshmallow) | |
| Chipset | Mediatek MT6735P (28 nm) | |||
| Processor CPU | 650 MHz | Quad-core 1.0 GHz Cortex-A53 | ||
| Graphics processor GPU | Mali-T720MP2 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 128 GB | ||
| Internal memory | 16 GB, 3 GB RAM | |||
| General specs | Release date | 2012 | 2017, January | |
| Dimensions (HxWxD) | 121.4 Х 64 Х 11.3 mm | 143.8 Х 72 Х 8.9 mm | ||
| Weight | 120 g | 0 g | ||
| Colors | Black | Black, Gold | ||
| Battery | 1200 mAh, Li-Ion | 4000 mAh, Removable Li-Po | ||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 3 h | |||
| 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 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 2100 -4G - LTE band 3(1800), 5(850) | ||
| Speed | HSPA | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 2.1, A2DP | 4.0, A2DP | ||
| Music and Audio | Radio | Stereo FM radio, RDS, recordin | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input | Sensors Accelerometer, proximity, compass | |
