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Brief information about compared phones: Acer DX900 , Sharp Aquos R2 compactAcer DX900 2009 year of release. cpu 533 MHz Samsung S3C 6410. screen 2.8". with resolution 480x640. Smartphone has 0 megapixel front camera and 3 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 | 2.8" inch | 5.2" inch | ||
| Screen area | 24.3 cm2 | 67.5 cm2 | ||
| Screen format | 4:3 (height:width) | 19:9 (height:width) | ||
| Screen to body ratio | 37.9% | 80.5% | ||
| Screen resolution | 480 x 640 px | 1080 x 2280 px | ||
| PPI /points per inch/ | 286 PPI | 485 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 22.6 MP, Single | |
| Camera specs | 3.15 MP, AF | 22.6 MP, f/1.9, 22 mm, PDAF, OIS | ||
| Functions | Dual-LED flash | LED flash, HDR, panorama | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA videocall camera | 8 MP, f/2.2, 23 mm | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Android 9.0 (Pie) | |
| Chipset | Qualcomm SDM845 Snapdragon 845 (10 nm) | |||
| Processor CPU | 533 MHz Samsung S3C 6410 | 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 | 128 MB RAM, 256 MB ROM | 64 GB, 512GB 4GB | ||
| General specs | Release date | 2009, February | 2018, November | |
| Dimensions (HxWxD) | 106 Х 60.5 Х 17 mm | 131 Х 64 Х 9.3 mm | ||
| Weight | 147 g | 135 g | ||
| Colors | Black | Smokey Green, Deep White, Pure Black | ||
| Battery | 1530 mAh, Removable Li-Po | 2500 mAh, Non-removable Li-Ion | ||
| Approximate price | 90 EUR | |||
| Battery life | Stand by time- Up to 150 h Talking time- Up to10 h | |||
| Body build | Front glass, aluminum frame, plastic back | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Nano-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 GSM 900 / 1800 / 1900 - SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 2100 -4G - LTE | ||
| Speed | HSPA 7.2/0.384 Mbps | HSPA, LTE | ||
| GPRS | Class 10 | Yes | ||
| Edge | Class 10 | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
| GPS | Yes, SiRF Star III chipset | Yes, with A-GPS, GLONASS, GALILEO, QZSS | ||
| NFC | Super AMOLED | Yes | ||
| USB | miniUSB | 2.0, Type-C 1.0 reversible connector (PowerDelivery 2.0) | ||
| Bluetooth | microUSB 2.0, A2DP | 5.0, A2DP, LE | ||
| Music and Audio | Radio | panorama | No | |
| Headphone jack | panorama | Yes | ||
| Others | Handwriting recognition | 120 Hz -HDR10 -DCI-P3 | ||
| Other features | Dop | Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900, Acer Tempo X960 | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Fast battery charging - IP68 dust/water proof (up to 1.5m for 30 mins) | |
