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Brief information about compared phones: Amoi E78 , Sharp Aquos R2 compactAmoi E78 2007 year of release. cpu Super AMOLED. screen 2.46". with resolution 240x320. Smartphone has 2 megapixel main camera . Sharp Aquos R2 compact 2018 year of release. cpu Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver). screen 5.2". with resolution 1080x2280. Smartphone has 8 megapixel front camera and 22 megapixel main camera . |
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| Display | Technology | TFT | IGZO IPS LCD | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 16M | ||
| Screen size | 2.46" inch | 5.2" inch | ||
| Screen area | 18.7 cm2 | 67.5 cm2 | ||
| Screen format | 4:3 (height:width) | 19:9 (height:width) | ||
| Screen to body ratio | 26.7% | 80.5% | ||
| Screen resolution | 240 x 320 px | 1080 x 2280 px | ||
| PPI /points per inch/ | 163 PPI | 485 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 2 MP, Single | 22.6 MP, Single | |
| Camera specs | 2 MP | 22.6 MP, f/1.9, 22 mm, PDAF, OIS | ||
| Functions | LED flash, HDR, panorama | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0 MP, | 8 MP, Single | ||
| Specifications | Super AMOLED | 8 MP, f/2.2, 23 mm | ||
| Performance | Operating system OS | Microsoft Windows Mobile 5.0 PocketPC | Android 9.0 (Pie) | |
| Chipset | Qualcomm SDM845 Snapdragon 845 (10 nm) | |||
| Processor CPU | Super AMOLED | Octa-core (4x2.6 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) | ||
| Graphics processor GPU | Adreno 630 | |||
| External memory | microSD (dedicated slot) | microSD, up to 512 GB | ||
| Internal memory | 64 MB | 64 GB, 512GB 4GB | ||
| General specs | Release date | 2007 | 2018, November | |
| Dimensions (HxWxD) | 115 Х 61 Х 12.7 mm | 131 Х 64 Х 9.3 mm | ||
| Weight | 150 g | 135 g | ||
| Colors | Black | Smokey Green, Deep White, Pure Black | ||
| Battery | 1100 mAh, Removable Li-Ion | 2500 mAh, Non-removable Li-Ion | ||
| Body build | Front glass, aluminum frame, plastic back | |||
| Communication and Connectivity | SIM card | Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM | Nano-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE | ||
| Speed | Super AMOLED | HSPA, LTE | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | panorama | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
| GPS | panorama | Yes, with A-GPS, GLONASS, GALILEO, QZSS | ||
| NFC | Super AMOLED | Yes | ||
| USB | panorama | 2.0, Type-C 1.0 reversible connector (PowerDelivery 2.0) | ||
| Bluetooth | Quad-core 1.25 GHz Cortex-A53, A2DP | 5.0, A2DP, LE | ||
| Music and Audio | Radio | panorama | No | |
| Headphone jack | panorama | Yes | ||
| Others | 120 Hz -HDR10 -DCI-P3 | |||
| Other features | Dop | File transfer -Organizer -Task synchronizing -Pocket Office | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins) | |
