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Brief information about compared phones: Acer DX900 , Nokia 7 plusAcer 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 . Nokia 7 plus 2018 year of release. cpu Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260). screen 6". with resolution 1080x2160. Smartphone has 16 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 | 6" inch | ||
| Screen area | 24.3 cm2 | 92.4 cm2 | ||
| Screen format | 4:3 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 37.9% | 77.2% | ||
| Screen resolution | 480 x 640 px | 1080 x 2160 px | ||
| PPI /points per inch/ | 286 PPI | 403 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 12 MP, Dual | |
| Camera specs | 3.15 MP, AF | 12 MP, f/1.8, 25mm (wide), 1/2.55'', 1.4µm, dual pixel PDAF -13 MP, f/2.6, 1/3.4'', 1.0µm, 2x optical zoom, AF | ||
| Functions | Dual-LED flash | Zeiss optics | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 16 MP, Single | ||
| Specifications | VGA videocall camera | 16 MP, f/2.0, 1/3.1'', 1.0µm | ||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Android 8.1 (Oreo), upgradable to Android 9.0 (Pie); Android One | |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) | |||
| Processor CPU | 533 MHz Samsung S3C 6410 | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) | ||
| Graphics processor GPU | Adreno 512 | |||
| External memory | microSD (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 128 MB RAM, 256 MB ROM | 64 GB, 512GB 4GB | ||
| Antutu 7 score | 141725 | |||
| GeekBench 4 Single Core | 1620 | |||
| GeekBench 4 Multi-Core | 5706 | |||
| GeekBench 4 RenderScript | 5641 | |||
| GeekBench 5 Single Core | 333 | |||
| GeekBench 5 Multi-Core | 1391 | |||
| General specs | Release date | 2009, February | 2018, February | |
| Dimensions (HxWxD) | 106 Х 60.5 Х 17 mm | 158.4 Х 75.6 Х 8 mm | ||
| Weight | 147 g | 183 g | ||
| Colors | Black | Black/Copper, White/Copper | ||
| Battery | 1530 mAh, Removable Li-Po | 3800 mAh, Non-removable Li-Ion | ||
| Approximate price | 90 EUR | 280 EUR | ||
| Battery life | Stand by time- Up to 150 h Talking time- Up to10 h | Stand by time- Up to 723 h (3G) Talking time- Up to 19 h (3G) Music play - Up to 126 h | ||
| Body build | Front glass, aluminum body (6000 series) with copper edges | |||
| 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 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO - China -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - Global LTE band 1(2100), 4(1700/2100), 34(2000), 39(1900), 41(2500) - China | ||
| 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 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | ||
| Bluetooth | microUSB 2.0, A2DP | 5.0, A2DP, LE | ||
| Harmful irradiation | SAR EU - 0.36 W/kg (head) 1.78 W/kg (body) | |||
| Music and Audio | Radio | panorama | No | |
| 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 Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass - Fast battery charging (18W, 9V/2A) | |
