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Brief information about compared phones: Acer DX900 , Sonim XP8Acer 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 XP8 2018 year of release. cpu Octa-core 2.2 GHz Cortex-A53. screen 5". with resolution 1080x1920. Smartphone has 8 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | resistive touchscreen | capacitive touchscreen | ||
| Display colors | 65K | 16M | ||
| Screen size | 2.8" inch | 5" inch | ||
| Screen area | 24.3 cm2 | 68.9 cm2 | ||
| Screen format | 4:3 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 37.9% | 57.0% | ||
| Screen resolution | 480 x 640 px | 1080 x 1920 px | ||
| PPI /points per inch/ | 286 PPI | 441 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 12 MP, Single | |
| Camera specs | 3.15 MP, AF | 12 MP, PDAF | ||
| 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 | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Android 7.0 (Nougat) | |
| Chipset | Qualcomm SDM630 Snapdragon 630 (14 nm) | |||
| Processor CPU | 533 MHz Samsung S3C 6410 | Octa-core 2.2 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 508 | |||
| External memory | microSD (dedicated slot) | microSD, up to 128 GB | ||
| Internal memory | 128 MB RAM, 256 MB ROM | 64 GB, 512GB 4GB | ||
| Antutu 7 score | 71820 | |||
| General specs | Release date | 2009, February | 2018, April | |
| Dimensions (HxWxD) | 106 Х 60.5 Х 17 mm | 152 Х 79.5 Х 18 mm | ||
| Weight | 147 g | 335 g | ||
| Colors | Black | Black | ||
| Battery | 1530 mAh, Removable Li-Po | 4900 mAh, 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 720 h Talking time- Up to 30 h Music play - Up to 70 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Dual SIM (Nano-SIM, dual stand-by) | |
| 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 - SIM 1 & SIM 2 CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 40(2300), 41(2500), 66(1700/2100) | ||
| Speed | HSPA 7.2/0.384 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 Mbps | ||
| 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 | ||
| NFC | Super AMOLED | Yes | ||
| USB | miniUSB | 2.0, Type-C 1.0 reversible connector; magnetic connector | ||
| Bluetooth | microUSB 2.0, A2DP | 5.0, A2DP, EDR, 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, gyro, proximity, compass, barometer - Fast battery charging (Quick Charge 4.0) - IP69 dust proof and water resistant over 1 meter and 30 minutes -MIL-STD-810G | |
