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Brief information about compared phones: Acer DX900 , Sharp Aquos S2Acer 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 S2 2017 year of release. cpu Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex A53) 64/4GB -Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) 128/6GB. screen 5.5". with resolution 1080x2040. 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 | 5.5" inch | ||
| Screen area | 24.3 cm2 | 80.7 cm2 | ||
| Screen format | 4:3 (height:width) | 17:9 (height:width) | ||
| Screen to body ratio | 37.9% | 79.0% | ||
| Screen resolution | 480 x 640 px | 1080 x 2040 px | ||
| PPI /points per inch/ | 286 PPI | 420 PPI | ||
| Screen protection | Corning Gorilla Glass (unspecified version) | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 12 MP, Dual | |
| Camera specs | 3.15 MP, AF | 12 MP, f/1.8, 1/2.55'', 1/3.2'', 1.4µm, dual pixel PDAF -8 MP | ||
| Functions | Dual-LED flash | Dual-LED dual-tone flash, panorama, HDR | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA videocall camera | 8 MP, f/2.0, 1/3.2'', 1.4µm | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Android 7.1.1 (Nougat) | |
| Chipset | Qualcomm SDM630 Snapdragon 630 (14 nm) 64/4GB -Qualcomm SDM660 Snapdragon 660 (14 nm) 128/6GB | |||
| Processor CPU | 533 MHz Samsung S3C 6410 | Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex A53) 64/4GB -Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) 128/6GB | ||
| Graphics processor GPU | Adreno 508 64/4GB -Adreno 512 128/6GB | |||
| External memory | microSD (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 128 MB RAM, 256 MB ROM | 128 GB, 6 GB RAM 64 GB, 512GB 4GB | ||
| Antutu 7 score | 88256 | |||
| GeekBench 4 Single Core | 859 | |||
| GeekBench 4 Multi-Core | 4079 | |||
| GeekBench 4 RenderScript | 3688 | |||
| GeekBench 5 Single Core | 173 | |||
| GeekBench 5 Multi-Core | 994 | |||
| General specs | Release date | 2009, February | 2017, August | |
| Dimensions (HxWxD) | 106 Х 60.5 Х 17 mm | 141.8 Х 72 Х 7.9 mm | ||
| Weight | 147 g | 140 g | ||
| Colors | Black | White, Black, Blue, Green | ||
| Battery | 1530 mAh, Removable Li-Po | 3020 mAh, Non-removable Li-Po | ||
| Approximate price | 90 EUR | 450 EUR | ||
| Battery life | Stand by time- Up to 150 h Talking time- Up to10 h | |||
| Body build | Front/back glass, aluminum frame | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Hybrid 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 28(700), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA 7.2/0.384 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 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, BDS | ||
| NFC | Super AMOLED | Yes | ||
| USB | miniUSB | Type-C 1.0 reversible connector, USB On-The-Go | ||
| Bluetooth | microUSB 2.0, A2DP | 4.2, A2DP, LE | ||
| Music and Audio | Radio | panorama | No | |
| Headphone jack | panorama | No | ||
| 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 Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Charging 5V/2A 10W | |
