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Brief information about compared phones: Google Pixel , Oppo A1kGoogle Pixel 2016 year of release. cpu Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo). screen 5". with resolution 1080x1920. Smartphone has 8 megapixel front camera and 12 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 | AMOLED | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 5" inch | 6.1" inch | ||
| Screen area | 68.9 cm2 | 91.3 cm2 | ||
| Screen format | 16:9 (height:width) | 19.5:9 (height:width) | ||
| Screen to body ratio | 69.0% | 80.1% | ||
| Screen resolution | 1080 x 1920 px | 720 x 1560 px | ||
| PPI /points per inch/ | 441 PPI | 282 PPI | ||
| Screen protection | Corning Gorilla Glass 4 | Corning Gorilla Glass 3 | ||
| Camera and Video | Rear camera, main | 12.3 MP, Single | 8 MP, Single | |
| Camera specs | 12.3 MP, f/2.0, 1/2.3'', 1.55µm, PDAF & laser AF | 8 MP, f/2.2, 1/3.2'', 1.4µm, AF | ||
| Functions | Dual-LED flash, HDR, panorama | HDR | ||
| Video | 1080p@30fps | 720p | ||
| Front camera, selfie | 8 MP, Single | 5 MP, Single | ||
| Specifications | 8 MP, f/2.4, 1/3.2'', 1.4µm | 5 MP, f/2.0, 1/5'', 1.12µm | ||
| DxOMark Main Score | 90 | |||
| DxOMark Photo | 90 | |||
| DxOMark Video | 91 | |||
| Performance | Operating system OS | Android 7.1 (Nougat), upgradable to Android 9.0 (Pie) | Android 9.0 (Pie); ColorOS 6 | |
| Chipset | Qualcomm MSM8996 Snapdragon 821 (14 nm) | Mediatek MT6762 Helio P22 (12 nm) | ||
| Processor CPU | Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) | Octa-core 2.0 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 530 | PowerVR GE8320 | ||
| External memory | No | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 32/128 GB, 512GB 4GB | 32 GB, 2 GB RAM | ||
| Antutu 7 score | 145789 | 75826 | ||
| GeekBench 4 Single Core | 1626 | |||
| GeekBench 4 Multi-Core | 4014 | |||
| GeekBench 4 RenderScript | 7705 | |||
| GeekBench 4 Battery | 1738 | |||
| GeekBench 5 Single Core | 307 | |||
| GeekBench 5 Multi-Core | 848 | |||
| General specs | Release date | 2016, October | 2019, April | |
| Dimensions (HxWxD) | 143.8 Х 69.5 Х 8.5 mm | 154.5 Х 73.8 Х 8.4 mm | ||
| Weight | 143 g | 170 g | ||
| Colors | Quite Black, Very Silver, Really Blue | Black, Red | ||
| Battery | 2770 mAh, Non-removable Li-Ion | 4000 mAh, Non-removable Li-Po | ||
| Approximate price | 290 EUR | 100 EUR | ||
| Battery life | Stand by time- Up to 456 h (3G) Talking time- Up to 26 h (3G) Music play - Up to 110 h | |||
| Body build | Front glass, aluminum body, partial glass back | plastic body | ||
| Communication and Connectivity | SIM card | Nano-SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 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), 21(1500), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) | 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 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps or LTE-A (3CA) Cat11 600/75 Mbps | HSPA, LTE-A | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | Yes | |||
| USB | 3.0, Type-C 1.0 reversible connector | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 4.2, A2DP, LE, aptX | 4.2, A2DP, LE | ||
| Harmful irradiation | SAR - 0.92 W/kg (head) 0.58 W/kg (body) SAR EU - 0.33 W/kg (head) 0.61 W/kg (body) | |||
| Music and Audio | Radio | No | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | Active noise cancellation with dedicated mic | ||
| Other features | Dop | Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer - Fast battery charging - Splash and dust resistant - Versions: Global, USA, North America | Sensors Accelerometer, proximity, compass - Versions: CPH1923 | |
