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Brief information about compared phones: Celkon A64 , Google PixelCelkon 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 . Google Pixel 2016 year of release. cpu Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo). screen 5". with resolution 1080x1920. Smartphone has 8 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | TFT | AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 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 | 59.1% | 69.0% | ||
| Screen resolution | 320 x 480 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 144 PPI | 441 PPI | ||
| Screen protection | Corning Gorilla Glass 4 | |||
| Camera and Video | Rear camera, main | 2 MP, Single | 12.3 MP, Single | |
| Camera specs | 2 MP | 12.3 MP, f/2.0, 1/2.3'', 1.55µm, PDAF & laser AF | ||
| Functions | LED flash | Dual-LED flash, HDR, panorama | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA | 8 MP, f/2.4, 1/3.2'', 1.4µm | ||
| DxOMark Main Score | 90 | |||
| DxOMark Photo | 90 | |||
| DxOMark Video | 91 | |||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 7.1 (Nougat), upgradable to Android 9.0 (Pie) | |
| Chipset | Qualcomm MSM8996 Snapdragon 821 (14 nm) | |||
| Processor CPU | Dual-core 1.2 GHz | Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) | ||
| Graphics processor GPU | Adreno 530 | |||
| External memory | microSD, up to 32 GB | No | ||
| Internal memory | 512 MB, 256 MB RAM | 32/128 GB, 512GB 4GB | ||
| Antutu 7 score | 145789 | |||
| GeekBench 4 Single Core | 1626 | |||
| GeekBench 4 Multi-Core | 4014 | |||
| GeekBench 4 RenderScript | 7705 | |||
| GeekBench 4 Battery | 1738 | |||
| GeekBench 5 Single Core | 307 | |||
| GeekBench 5 Multi-Core | 848 | |||
| General specs | Release date | 2014 | 2016, October | |
| Dimensions (HxWxD) | 124 Х 65 Х 10.5 mm | 143.8 Х 69.5 Х 8.5 mm | ||
| Weight | 125.6 g | 143 g | ||
| Colors | White, Black | Quite Black, Very Silver, Really Blue | ||
| Battery | 1400 mAh, Li-Ion | 2770 mAh, Non-removable Li-Ion | ||
| Approximate price | 290 EUR | |||
| Battery life | Stand by time- Up to 150 h Talking time- Up to 8 h 20 min | Stand by time- Up to 456 h (3G) Talking time- Up to 26 h (3G) Music play - Up to 110 h | ||
| Body build | Front glass, aluminum body, partial glass back | |||
| Communication and Connectivity | SIM card | Dual SIM | Nano-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 21(1500), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps or LTE-A (3CA) Cat11 600/75 Mbps | |||
| GPRS | Yes | 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, Wi-Fi Direct, DLNA, hotspot | ||
| GPS | Yes | Yes, with A-GPS, GLONASS | ||
| NFC | Yes | |||
| USB | microUSB | 3.0, Type-C 1.0 reversible connector | ||
| Bluetooth | 2.0 | 4.2, A2DP, LE, aptX | ||
| Harmful irradiation | SAR EU - 0.42 W/kg (head) 0.55 W/kg (body) | SAR - 0.92 W/kg (head) 0.58 W/kg (body) SAR EU - 0.33 W/kg (head) 0.61 W/kg (body) | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer - Fast battery charging - Splash and dust resistant - Versions: Global, USA, North America | |
