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Brief information about compared phones: Celkon A9 Dual , Google Pixel 3aCelkon A9 Dual 2014 year of release. cpu Dual-core 1.0 GHz. screen 3.5". with resolution 320x480. Smartphone has 0 megapixel front camera and 2 megapixel main camera . Google Pixel 3a 2019 year of release. cpu Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver). screen 5.6". with resolution 1080x2220. Smartphone has 8 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | TFT | OLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | Type OLED | |||
| Screen size | 3.5" inch | 5.6" inch | ||
| Screen area | 36.5 cm2 | 79.6 cm2 | ||
| Screen format | 3:2 (height:width) | 18.5:9 (height:width) | ||
| Screen to body ratio | 47.4% | 75.0% | ||
| Screen resolution | 320 x 480 px | 1080 x 2220 px | ||
| PPI /points per inch/ | 165 PPI | 441 PPI | ||
| Screen protection | Asahi Dragontrail Glass | |||
| Camera and Video | Rear camera, main | 2 MP, Single | 12.2 MP, Single | |
| Camera specs | 2 MP | 12.2 MP, f/1.8, 28mm (wide), 1/2.55'', 1.4µm, OIS, dual pixel PDAF | ||
| Functions | HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA | 8 MP, f/2.0, 24mm (wide), 1.12µm | ||
| DxOMark Main Score | 101 | |||
| DxOMark Photo | 104 | |||
| DxOMark Video | 95 | |||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 9.0 (Pie) | |
| Chipset | Qualcomm SDM670 Snapdragon 670 (10 nm) | |||
| Processor CPU | Dual-core 1.0 GHz | Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver) | ||
| Graphics processor GPU | Adreno 615 | |||
| External memory | microSD, up to 32 GB | No | ||
| Internal memory | 512 MB, 256 MB RAM | 64 GB, 512GB 4GB | ||
| Antutu 7 score | 159213 | |||
| GeekBench 4 Single Core | 1603 | |||
| GeekBench 4 Multi-Core | 5206 | |||
| GeekBench 4 RenderScript | 6426 | |||
| GeekBench 4 Battery | 4895 | |||
| GeekBench 5 Single Core | 345 | |||
| GeekBench 5 Multi-Core | 1300 | |||
| General specs | Release date | 2014 | 2019, May | |
| Dimensions (HxWxD) | 120.5 Х 63.9 Х 10.6 mm | 151.3 Х 70.1 Х 8.2 mm | ||
| Weight | 116 g | 147 g | ||
| Colors | White, Black | Just Black, Clearly White, Purple-ish | ||
| Battery | 1350 mAh, Li-Ion | 3000 mAh, Non-removable Li-Po | ||
| Approximate price | 400 EUR | |||
| Battery life | Stand by time- Up to 240 h Talking time- Up to 3 h 20 min | |||
| Body build | Front glass, plastic body | |||
| Communication and Connectivity | SIM card | Dual SIM | Nano-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 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), 17(700), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 40(2300), 41(2500), 66(1700/2100) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat11 600/75 Mbps | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | ||
| GPS | Yes | Yes, with A-GPS, GLONASS, GALILEO | ||
| NFC | Yes | |||
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | ||
| Bluetooth | 2.0 | 5.0, A2DP, LE, aptX HD | ||
| Harmful irradiation | SAR EU - 0.61 W/kg (head) 0.69 W/kg (body) | |||
| Music and Audio | Radio | FM radio | ||
| Headphone jack | Yes | Yes | ||
| Others | Always-on display | |||
| Other features | Dop | Sensors Accelerometer | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer - Fast battery charging 18W -USB Power Delivery 2.0 - Versions: G020A, G020E, G020B | |
