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Brief information about compared phones: Nokia E51 , Oppo Ace2Nokia E51 2007 year of release. cpu 369 MHz ARM 11. screen 2". with resolution 240x320. Smartphone has 2 megapixel main camera . Oppo Ace2 2020 year of release. cpu Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585). screen 6.55". with resolution 1080x2400. Smartphone has 16 megapixel front camera and 48 megapixel main camera . |
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| Display | Technology | TFT | AMOLED | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 16M | 16M | ||
| Screen size | 2" inch | 6.55" inch | ||
| Screen area | 12.4 cm2 | 103.6 cm2 | ||
| Screen format | 4:3 (height:width) | 20:9 (height:width) | ||
| Screen to body ratio | 23.5% | 85.9% | ||
| Screen resolution | 240 x 320 px | 1080 x 2400 px | ||
| PPI /points per inch/ | 200 PPI | 402 PPI | ||
| Screen protection | Corning Gorilla Glass 5 | |||
| Camera and Video | Rear camera, main | 2 MP, Single | 48 MP, Quad | |
| Camera specs | 2 MP | 48 MP, f/1.7, 26mm (wide), 1/2.0'', 0.8µm, PDAF -8 MP, f/2.2, 13mm (ultrawide), 1/4.0'', 1.12µm, AF -2 MP B/W, (depth) -2 MP, (depth) | ||
| Functions | HDR | |||
| Video | 320p@15fps | 1080p@30fps | ||
| Front camera, selfie | 0 MP, | 16 MP, Single | ||
| Specifications | 16 MP, f/2.4, 29mm (wide), 1/3.1'', 1.0µm | |||
| Performance | Operating system OS | Symbian OS 9.2, Series 60 v3.1 UI | Android 10.0; ColorOS 7.1 | |
| Chipset | Qualcomm SM8250 Snapdragon 865 (7 nm+) | |||
| Processor CPU | 369 MHz ARM 11 | Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585) | ||
| Graphics processor GPU | Adreno 650 | |||
| External memory | microSD, up to 16 GB (dedicated slot) | No | ||
| Internal memory | 130 MB, 96 MB RAM | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | ||
| General specs | Release date | 2007, September | 2020, April 13 | |
| Dimensions (HxWxD) | 114.8 Х 46 Х 12 mm | 160 Х 75.4 Х 8.6 mm | ||
| Weight | 100 g | 186 g | ||
| Colors | Black, Silver | Aurora Silver, Moon Rock Grey, Fantasy Purple | ||
| Battery | 1050 mAh, Removable Li-Ion | 4000 mAh, Non-removable Li-Po | ||
| Approximate price | 120 EUR | 520 EUR | ||
| Battery life | Stand by time- Up to 310 h Talking time- Up to 4 h 20 min | |||
| Body build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame | |||
| Communication and Connectivity | SIM card | Mini-SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 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), 17(700), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China -5G - 5G band 1(2100), 41(2500), 78(3500), 79(4700); SA/NSA - China | ||
| Speed | HSPA 3.6/0.384 Mbps | HSPA, LTE-A | ||
| GPRS | Class 32 | Yes | ||
| Edge | Class 32 | Yes | ||
| Wi-Fi | Wi-Fi 802.11b/g, VoIP over WLAN | Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot | ||
| GPS | No | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS | ||
| NFC | Yes | |||
| USB | miniUSB 2.0 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | ||
| Bluetooth | 2.0, A2DP | 5.1, A2DP, LE, aptX HD | ||
| Harmful irradiation | SAR - 1.38 W/kg (head) 0.75 W/kg (body) SAR EU - 1.47 W/kg (head) | |||
| Music and Audio | Radio | FM radio | ||
| Headphone jack | No | No | ||
| Others | Five-way scroll key -Downloadable themes | 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate | ||
| Other features | Dop | , Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word, Excel, PowerPoint, PDF) incl. MS Office 2007 support via free update -Predictive text input -Voice command/memo -Organizer | Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass - Fast charging 65W, 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W, 100% in 56 min (advertised) -Wireless reverse charging 10W | |
