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Brief information about compared phones: Celkon A99 , OnePlus 8Celkon A99 2012 year of release. cpu 650 MHz. screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 3 megapixel main camera . OnePlus 8 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 | Fluid AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 256K | 16M | ||
| Screen size | 4" inch | 6.55" inch | ||
| Screen area | 47.6 cm2 | 103.6 cm2 | ||
| Screen format | 3:2 (height:width) | 20:9 (height:width) | ||
| Screen to body ratio | 61.3% | 88.7% | ||
| Screen resolution | 320 x 480 px | 1080 x 2400 px | ||
| PPI /points per inch/ | 144 PPI | 402 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 48 MP, Triple | |
| Camera specs | 3.15 MP | 48 MP, f/1.8, 25mm (wide), 1/2.0'', 0.8µm, PDAF, OIS -16 MP, f/2.2, 13mm (ultrawide), PDAF -2 MP, f/2.4, (macro) | ||
| Functions | Auto-HDR | |||
| Video | Yes | 1080p@30fps, gyro-EIS | ||
| Front camera, selfie | 0.3 MP, Single | 16 MP, Single | ||
| Specifications | 16 MP, f/2.0, (wide), 1/3'', 1.0µm | |||
| Performance | Operating system OS | Android 2.3.5 (Gingerbread) | Android 10.0; OxygenOS 10.0 | |
| Chipset | Qualcomm SM8250 Snapdragon 865 (7 nm+) | |||
| Processor CPU | 650 MHz | 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 32 GB (dedicated slot) | No | ||
| Internal memory | 128GB 8GB RAM, 256GB 12GB RAM | |||
| General specs | Release date | 2012 | 2020, April 14 | |
| Dimensions (HxWxD) | 121.4 Х 64 Х 11.3 mm | 160.2 Х 72.9 Х 8 mm | ||
| Weight | 120 g | 180 g | ||
| Colors | Black | Onyx Black, Glacial Green, Interstellar Glow, Polar Silver | ||
| Battery | 1200 mAh, Li-Ion | 4300 mAh, Non-removable Li-Po | ||
| Approximate price | 700 EUR | |||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 3 h | |||
| Body build | Glass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frame | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | 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) / 1800 / 1900 / 2100 -4G - LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 46(5200), 66(1700/2100) - EU -5G - 5G band 1(2100), 78(3500); SA/NSA - EU 5G band 2(1900), 66(1700), 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500), 78(3500), 79(4700); SA/NSA - CNmmWave - Verizon exclusive | ||
| Speed | HSPA | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 1200/150 Mbps, 5G 7.5 Gbps DL | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g, hotspot | Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, DLNA, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, SBAS | ||
| NFC | Yes | |||
| USB | microUSB 2.0 | 3.1, Type-C 1.0 reversible connector, USB On-The-Go | ||
| Bluetooth | 2.1, A2DP | 5.1, A2DP, LE, aptX HD | ||
| Music and Audio | Radio | Stereo FM radio, RDS, recordin | No | |
| Headphone jack | Yes | No | ||
| Others | HDR10+ -90Hz refresh rate | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input | Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass - Fast charging 30W, 50% in 22 min (advertised) - IP68 dust/water resistant (up to 1.5m for 30 mins) | |
