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Brief information about compared phones: Celkon A40 , Sharp Aquos D10Celkon 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 . Sharp Aquos D10 2018 year of release. cpu Octa-core (4x2.6 GHz Cortex-A53 & 4x1.8 GHz Cortex A53). screen 5.99". with resolution 1080x2160. Smartphone has 16 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 5.99" 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% | 84.2% | ||
| Screen resolution | 480 x 800 px | 1080 x 2160 px | ||
| PPI /points per inch/ | 233 PPI | 403 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 12 MP, Dual | |
| Camera specs | 5 MP | 12 MP, f/1.8, 1/2.55'', 1.4µm, PDAF -13 MP, 1/3.4'', 1.0µm | ||
| Functions | Dual-LED dual-tone flash, panorama, HDR | |||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 16 MP, Single | ||
| Specifications | VGA | 16 MP | ||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 8.0 (Oreo); Sharp UI | |
| Chipset | Qualcomm SDM630 Snapdragon 630 (14 nm) | |||
| Processor CPU | Dual-core 1.3 GHz | Octa-core (4x2.6 GHz Cortex-A53 & 4x1.8 GHz Cortex A53) | ||
| Graphics processor GPU | Adreno 508 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 256 GB (uses SIM 2 slot) | ||
| Internal memory | 4 GB, 512 MB RAM | 64 GB, 512GB 4GB | ||
| Antutu 7 score | 71225 | |||
| General specs | Release date | 2014, January | 2018, August | |
| Dimensions (HxWxD) | 126.2 Х 64 Х 10.8 mm | 148.2 Х 74.2 Х 8 mm | ||
| Weight | 126.5 g | 165 g | ||
| Colors | White, Yellow, Blue | Black | ||
| Battery | 1500 mAh, Li-Ion | 2900 mAh, Non-removable Li-Ion | ||
| Approximate price | 400 EUR | |||
| Communication and Connectivity | SIM card | Dual SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | ||
| Speed | HSPA 14.4/5.76 Mbps, LTE Cat4 150/50 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, USB On-The-Go | ||
| Bluetooth | 2.0 | 4.0, A2DP, LE | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass | |
