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Brief information about compared phones: Sharp Pi , ZTE X990Sharp Pi 2018 year of release. cpu Quad-core 1.3 GHz Cortex-A53. screen 5.2". with resolution 720x1280. Smartphone has 8 megapixel front camera and 13 megapixel main camera . ZTE X990 2010 year of release. cpu . screen 2.5". with resolution 320x240. Smartphone has 2 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | resistive touchscreen | ||
| Display colors | 16M | 256K | ||
| Screen size | 5.2" inch | 2.5" inch | ||
| Screen area | 74.5 cm2 | 19.4 cm2 | ||
| Screen format | 16:9 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | % | 29.7% | ||
| Screen resolution | 720 x 1280 px | 320 x 240 px | ||
| PPI /points per inch/ | 282 PPI | 160 PPI | ||
| Screen protection | Scratch-resistant glass | |||
| Camera and Video | Rear camera, main | 13 MP, Dual | 2 MP, Single | |
| Camera specs | 13 MP, f/2.2, AF -2 MP, depth sensor | 2 MP | ||
| Functions | LED flash, panorama, HDR | |||
| Video | 1080p@30fps | Yes | ||
| Front camera, selfie | 8 MP, Single | 0 MP, | ||
| Specifications | 8 MP | |||
| Performance | Operating system OS | Android 7.0 (Nougat) | Microsoft Windows Mobile 6.5 Professional | |
| Chipset | Mediatek MT6737M (28 nm) | |||
| Processor CPU | Quad-core 1.3 GHz Cortex-A53 | |||
| Graphics processor GPU | Mali-T720 | |||
| External memory | microSD, up to 128 GB | microSD, up to 8 GB (dedicated slot) | ||
| Internal memory | 16 GB, 2 GB RAM | 5 MB | ||
| General specs | Release date | 2018, February | 2010, March | |
| Dimensions (HxWxD) | Х Х mm | 107 Х 61 Х 12 mm | ||
| Weight | 0 g | 90 g | ||
| Colors | White/Gold, Black | White | ||
| Battery | 3000 mAh, Li-Ion | 0 mAh, | ||
| Approximate price | 110 EUR | |||
| Battery life | Stand by time- Up to 480 h Talking time- Up to 8 h | |||
| Communication and Connectivity | SIM card | Dual SIM (Nano-SIM, dual stand-by) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300) | Show all network frequencies: | ||
| Speed | HSPA, LTE Cat4 150/50 Mbps | |||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | No | ||
| GPS | Yes, with A-GPS | No | ||
| NFC | ||||
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0 | ||
| Bluetooth | 4.0, A2DP | 2.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.96 W/kg (head) | |||
| Music and Audio | Radio | To be confirmed | Stereo FM radio, RDS | |
| Headphone jack | No | No | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Fingerprint (front-mounted), accelerometer, proximity - For Indonesia, Vietnam | Windows Live Messenger -MP3/WMA/eAAC+ player -MP4/H.264 player -MS Office -Organizer -Voice memo -Predictive text input Also known as Messenger by SFR 251 Edition | |
