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Brief information about compared phones: alcatel Fire E , vivo X20alcatel Fire E 2014 year of release. cpu Dual-core 1.2 GHz. screen 4.5". with resolution 540x960. Smartphone has 0 megapixel front camera and 5 megapixel main camera . vivo X20 2017 year of release. cpu Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260). screen 6.01". with resolution 1080x2160. Smartphone has 12 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | IPS LCD | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4.5" inch | 6.01" inch | ||
| Screen area | 55.8 cm2 | 93.2 cm2 | ||
| Screen format | 16:9 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 68.1% | 79.5% | ||
| Screen resolution | 540 x 960 px | 1080 x 2160 px | ||
| PPI /points per inch/ | 245 PPI | 402 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 12 MP, Dual | |
| Camera specs | 5 MP, AF | 12 MP, f/1.8, AF -5 MP, depth sensor | ||
| Functions | LED flash, HDR | LED flash, HDR, panorama | ||
| Video | 720p@30fps | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 12 MP, Single | ||
| Specifications | VGA | 12 MP, f/2.0 | ||
| Performance | Operating system OS | Firefox OS 1.3 | Android 7.1.1 (Nougat), upgradable to Android 8.0 (Oreo); Funtouch 3.2 | |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) | |||
| Processor CPU | Dual-core 1.2 GHz | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) | ||
| Graphics processor GPU | Adreno 512 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 4 GB, 512 MB RAM | 64 GB, 512GB 4GB | ||
| Antutu 7 score | 142753 | |||
| GeekBench 4 Single Core | 1907 | |||
| GeekBench 4 Multi-Core | 4546 | |||
| GeekBench 4 RenderScript | 5409 | |||
| General specs | Release date | 2014, February | 2017, September | |
| Dimensions (HxWxD) | 129 Х 63.5 Х 8.2 mm | 155.9 Х 75.2 Х 7.2 mm | ||
| Weight | 103 g | 159 g | ||
| Colors | Slate, Dark Chocolate, Mozilla Orange | Matte Black, Black/Gold, Gold, Rose Gold, Blue, Pink | ||
| Battery | 1700 mAh, Removable Li-Ion | 3250 mAh, Non-removable Li-Ion | ||
| Approximate price | 70 EUR | 390 EUR | ||
| Battery life | Stand by time- Up to 450 h (2G) / Up to 400 h (3G) Talking time- Up to 7 h (2G) / Up to 4 h (3G) Music play - Up to 25 h | |||
| Body build | Front glass, aluminum body | |||
| Communication and Connectivity | SIM card | Micro-SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 4(1700/2100), 8(900) - X20A | ||
| Speed | HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 3.0, A2DP | 5.0, A2DP, LE | ||
| Music and Audio | Radio | FM radio, RDS | No | |
| Headphone jack | Yes | Yes | ||
| Others | 32-bit/192kHz audio -Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fast battery charging 9V/2A 18W | |
