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Brief information about compared phones: Celkon A64 , Oppo A53Celkon A64 2014 year of release. cpu Dual-core 1.2 GHz. screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 2 megapixel main camera . Oppo A53 2015 year of release. cpu Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53). screen 5.5". with resolution 720x1280. Smartphone has 5 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 5.5" inch | ||
| Screen area | 47.6 cm2 | 83.4 cm2 | ||
| Screen format | 3:2 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 59.1% | 70.8% | ||
| Screen resolution | 320 x 480 px | 720 x 1280 px | ||
| PPI /points per inch/ | 144 PPI | 267 PPI | ||
| Camera and Video | Rear camera, main | 2 MP, Single | 13 MP, Single | |
| Camera specs | 2 MP | 13 MP, AF | ||
| Functions | LED flash | LED flash, HDR, panorama | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | VGA | 5 MP | ||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 5.1 (Lollipop); ColorOS 2.1 | |
| Chipset | Qualcomm MSM8939v2 Snapdragon 616 (28 nm) | |||
| Processor CPU | Dual-core 1.2 GHz | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | ||
| Graphics processor GPU | Adreno 405 | |||
| External memory | microSD, up to 32 GB | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 512 MB, 256 MB RAM | 16 GB, 2 GB RAM | ||
| Antutu 7 score | 34155 | |||
| GeekBench 4 Single Core | 677 | |||
| GeekBench 4 Multi-Core | 2734 | |||
| General specs | Release date | 2014 | 2015, November | |
| Dimensions (HxWxD) | 124 Х 65 Х 10.5 mm | 153 Х 77 Х 7.4 mm | ||
| Weight | 125.6 g | 165 g | ||
| Colors | White, Black | White/Gold | ||
| Battery | 1400 mAh, Li-Ion | 3075 mAh, Non-removable Li-Ion | ||
| Approximate price | 200 EUR | |||
| Battery life | Stand by time- Up to 150 h Talking time- Up to 8 h 20 min | |||
| Communication and Connectivity | SIM card | Dual SIM | Hybrid Dual SIM (Nano-SIM/ Micro-SIM) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA, LTE | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n | ||
| GPS | Yes | Yes, with A-GPS | ||
| NFC | Yes | |||
| USB | microUSB | microUSB 2.0, USB Host | ||
| Bluetooth | 2.0 | 4.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.42 W/kg (head) 0.55 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer | Sensors Accelerometer, proximity, compass | |
