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Brief information about compared phones: alcatel One Touch Scribe X , vivo X21ialcatel One Touch Scribe X 2013 year of release, cpu Quad-core 1.2 GHz Cortex-A7, screen 5", with resolution 1080x1920. Smartphone has 1 megapixel front camera and 12 megapixel main camera. vivo X21i 2018 year of release, cpu Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53), screen 6.28", with resolution 1080x2280. Smartphone has 24 megapixel front camera and 12 megapixel main camera. |
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| Display | Technology | TFT | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 5" inch | 6.28" inch | ||
| Screen area | 68.9 cm2 | 98.4 cm2 | ||
| Screen format | 16:9 (height:width) | 19:9 (height:width) | ||
| Screen to body ratio | 63.8% | 85.0% | ||
| Screen resolution | 1080 x 1920 px | 1080 x 2280 px | ||
| PPI /points per inch/ | 441 PPI | 402 PPI | ||
| Camera and Video | Rear camera, main | 12 MP, Single | 12 MP, Dual | |
| Camera specs | 12 MP, AF | 12 MP, f/1.8, 1/2.55'', 1.4µm, dual pixel PDAF -5 MP, f/2.0, depth sensor | ||
| Functions | LED flash | LED flash, HDR, panorama | ||
| Video | 1080p@30fps | 1080p@30fps | ||
| Front camera, selfie | 1 MP, Single | 24 MP, Single | ||
| Specifications | 1 MP | 24 MP | ||
| Performance | Operating system OS | Android 4.1 (Jelly Bean) | Android 8.1 (Oreo); Funtouch 4 | |
| Chipset | Mediatek MT6589 (28 nm) | Mediatek MT6771 Helio P60 (12 nm) | ||
| Processor CPU | Quad-core 1.2 GHz Cortex-A7 | Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | ||
| Graphics processor GPU | PowerVR SGX544 | Mali-G72 MP3 | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 4 GB, 1 GB RAM | 128 GB, 4 GB RAM 64 GB, 6 GB RAM | ||
| Antutu 7 score | 14508 | 130256 | ||
| GeekBench 4 Single Core | 1497 | |||
| GeekBench 4 Multi-Core | 5759 | |||
| General specs | Release date | 2013, January | 2018, May | |
| Dimensions (HxWxD) | 144 Х 75 Х 8.5 mm | 154.4 Х 75 Х 7 mm | ||
| Weight | 0 g | 159 g | ||
| Colors | White Devil, Black Devil, Twilight Blue, Carpet, Anodized Bluish Black, Anodized Cranberry Pink, White Carbon, Black Carbon | Black, Aurora White, Ruby Red, Night Purple | ||
| Battery | 2500 mAh, Removable Li-Ion | 3425 mAh, Non-removable Li-Ion | ||
| Approximate price | 620 EUR | 430 EUR | ||
| Battery life | Stand by time- Up to 500 h (2G) / Up to 250 h (3G) Talking time- Up to 9 h (2G) / Up to 5 h (3G) | |||
| 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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps | HSPA, LTE | ||
| 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, GLONASS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 4.0, A2DP | 5.0, A2DP, LE | ||
| Music and Audio | Radio | Stereo FM radio, RDS | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | 32-bit/192kHz audio -Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass | Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass - Fast battery charging | |
