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Brief information about compared phones: Celkon A40 , Google Pixel 2 XLCelkon A40 2014 year of release. cpu Dual-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Google Pixel 2 XL 2017 year of release. cpu Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo). screen 6". with resolution 1440x2880. Smartphone has 8 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | TFT | P-OLED | |
| Touchscreen | touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 6" inch | ||
| Screen area | 45.5 cm2 | 92.6 cm2 | ||
| Screen format | 5:3 (height:width) | 18:9 (height:width) | ||
| Screen to body ratio | 56.4% | 76.4% | ||
| Screen resolution | 480 x 800 px | 1440 x 2880 px | ||
| PPI /points per inch/ | 233 PPI | 538 PPI | ||
| Screen protection | Corning Gorilla Glass 5 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 12.2 MP, Single | |
| Camera specs | 5 MP | 12.2 MP, f/1.8, 27mm (wide), 1/2.55'', 1.4µm, OIS, dual pixel PDAF & laser AF | ||
| Functions | HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 8 MP, Single | ||
| Specifications | VGA | 8 MP, f/2.4, 25mm (wide), 1/3.2'', 1.4µm | ||
| DxOMark Main Score | 99 | |||
| DxOMark Photo | 80 | |||
| DxOMark Video | 71 | |||
| DxOMark Selfie Score | 77 | |||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) | |
| Chipset | Qualcomm MSM8998 Snapdragon 835 (10 nm) | |||
| Processor CPU | Dual-core 1.3 GHz | Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) | ||
| Graphics processor GPU | Adreno 540 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | No | ||
| Internal memory | 4 GB, 512 MB RAM | 64/128 GB, 512GB 4GB | ||
| Antutu 7 score | 203156 | |||
| GeekBench 4 Single Core | 1826 | |||
| GeekBench 4 Multi-Core | 6121 | |||
| GeekBench 4 RenderScript | 7088 | |||
| GeekBench 5 Single Core | 358 | |||
| GeekBench 5 Multi-Core | 1507 | |||
| General specs | Release date | 2014, January | 2017, October | |
| Dimensions (HxWxD) | 126.2 Х 64 Х 10.8 mm | 157.9 Х 76.7 Х 7.9 mm | ||
| Weight | 126.5 g | 175 g | ||
| Colors | White, Yellow, Blue | Just Black, Black & White | ||
| Battery | 1500 mAh, Li-Ion | 3520 mAh, Non-removable Li-Ion | ||
| Approximate price | 530 EUR | |||
| Body build | Front glass, aluminum body, partial glass back | |||
| Communication and Connectivity | SIM card | Dual SIM | Nano-SIM card & eSIM | |
| 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), 29(700), 30(2300), 32(1500), 38(2600), 40(2300), 41(2500), 66(1700/2100) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat15 800/75 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, DLNA, hotspot | ||
| GPS | Yes | Yes, with A-GPS, GLONASS, BDS, GALILEO | ||
| NFC | Yes | |||
| USB | microUSB 2.0 | 3.1, Type-C 1.0 reversible connector (PowerDelivery 2.0) | ||
| Bluetooth | 2.0 | 5.0, A2DP, LE, aptX HD | ||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | No | ||
| Others | Always-on display -100% DCI-P3 | |||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer - Fast battery charging (capped at 10.5 W) - IP67 dust/water resistant (up to 1m for 30 mins) - Also known as Google Pixel XL2 | |
