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Brief information about compared phones: Acer DX900 , Sonim XP7Acer 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 . Sonim XP7 2014 year of release. cpu Quad-core 1.2 GHz Cortex-A7. screen 4". with resolution 480x800. Smartphone has 1 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | TFT | ||
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 16M | ||
| Screen size | 2.8" inch | 4" inch | ||
| Screen area | 24.3 cm2 | 45.5 cm2 | ||
| Screen format | 4:3 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 37.9% | 46.1% | ||
| Screen resolution | 480 x 640 px | 480 x 800 px | ||
| PPI /points per inch/ | 286 PPI | 233 PPI | ||
| Screen protection | Corning Gorilla Glass 2 | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 8 MP, Single | |
| Camera specs | 3.15 MP, AF | 8 MP, AF | ||
| Functions | Dual-LED flash | LED flash | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 1 MP, Single | ||
| Specifications | VGA videocall camera | 1 MP | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Android 4.4.2 (KitKat) | |
| Chipset | Qualcomm MSM8926 Snapdragon 400 (28 nm) | |||
| Processor CPU | 533 MHz Samsung S3C 6410 | Quad-core 1.2 GHz Cortex-A7 | ||
| Graphics processor GPU | Adreno 305 | |||
| External memory | microSD (dedicated slot) | No | ||
| Internal memory | 128 MB RAM, 256 MB ROM | 16 GB, 1 GB RAM | ||
| Antutu 7 score | 18693 | |||
| General specs | Release date | 2009, February | 2014, November | |
| Dimensions (HxWxD) | 106 Х 60.5 Х 17 mm | 137 Х 72.1 Х 20.8 mm | ||
| Weight | 147 g | 290 g | ||
| Colors | Black | Black, Yellow | ||
| Battery | 1530 mAh, Removable Li-Po | 4800 mAh, Non-removable Li-Ion | ||
| Approximate price | 90 EUR | 700 EUR | ||
| Battery life | Stand by time- Up to 150 h Talking time- Up to10 h | Stand by time- Up to 1000 h Talking time- Up to 40 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Micro-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 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - Telus -4G - LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700) LTE band 1(2100), 3(1800), 17(700) - Telus | ||
| 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, dual-band, hotspot | ||
| GPS | Yes, SiRF Star III chipset | Yes, with A-GPS, GLONASS | ||
| NFC | Super AMOLED | Yes | ||
| USB | miniUSB | microUSB 2.0 | ||
| Bluetooth | microUSB 2.0, A2DP | 4.0, A2DP, LE | ||
| Music and Audio | Radio | panorama | FM radio | |
| Headphone jack | panorama | Yes | ||
| Others | Handwriting recognition | Active noise cancellation with dedicated mic | ||
| Other features | Dop | Sensors Accelerometer Pocket Office -Voice memo -MP3 player Also known as Acer Tempo DX900, Acer Tempo X960 | Sensors Accelerometer, proximity - IP69 dust proof and water resistant over 1 meter and 30 minutes | |
