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Brief information about compared phones: Lava Iris Atom , Oppo A1kLava Iris Atom 2015 year of release. cpu Quad-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Oppo A1k 2019 year of release. cpu Octa-core 2.0 GHz Cortex-A53. screen 6.1". with resolution 720x1560. Smartphone has 5 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | IPS LCD | ||
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 6.1" inch | ||
| Screen area | 45.5 cm2 | 91.3 cm2 | ||
| Screen format | 5:3 (height:width) | 19.5:9 (height:width) | ||
| Screen to body ratio | 57.4% | 80.1% | ||
| Screen resolution | 480 x 800 px | 720 x 1560 px | ||
| PPI /points per inch/ | 233 PPI | 282 PPI | ||
| Screen protection | Corning Gorilla Glass 3 | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 8 MP, Single | |
| Camera specs | 5 MP | 8 MP, f/2.2, 1/3.2'', 1.4µm, AF | ||
| Functions | LED flash, HDR, panorama | HDR | ||
| Video | Yes | 720p | ||
| Front camera, selfie | 0.3 MP, Single | 5 MP, Single | ||
| Specifications | VGA | 5 MP, f/2.0, 1/5'', 1.12µm | ||
| Performance | Operating system OS | Android 5.1 (Lollipop) | Android 9.0 (Pie); ColorOS 6 | |
| Chipset | Mediatek MT6762 Helio P22 (12 nm) | |||
| Processor CPU | Quad-core 1.3 GHz | Octa-core 2.0 GHz Cortex-A53 | ||
| Graphics processor GPU | PowerVR GE8320 | |||
| External memory | microSD, up to 32 GB | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 8 GB, 512 MB RAM | 32 GB, 2 GB RAM | ||
| Antutu 7 score | 75826 | |||
| General specs | Release date | 2015, December | 2019, April | |
| Dimensions (HxWxD) | 125.5 Х 63.2 Х 9.7 mm | 154.5 Х 73.8 Х 8.4 mm | ||
| Weight | 110 g | 170 g | ||
| Colors | Black, White | Black, Red | ||
| Battery | 1550 mAh, Removable Li-Ion | 4000 mAh, Non-removable Li-Po | ||
| Approximate price | 100 EUR | |||
| Battery life | Stand by time- Up to 150 h (3G) Talking time- Up to 12 h 30 min (3G) | |||
| Body build | plastic body | |||
| Communication and Connectivity | SIM card | Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) | ||
| Speed | HSPA | HSPA, LTE-A | ||
| GPRS | Yes | Yes | ||
| Edge | No | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 2.1, EDR | 4.2, 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 For India | Sensors Accelerometer, proximity, compass - Versions: CPH1923 | |
