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Brief information about compared phones: HTC First , Oppo A3sHTC First 2013 year of release. cpu Dual-core 1.4 GHz Krait. screen 4.3". with resolution 720x1280. Smartphone has 1 megapixel front camera and 5 megapixel main camera . Oppo A3s 2018 year of release. cpu Octa-core 1.8 GHz Cortex-A53. screen 6.2". with resolution 720x1520. Smartphone has 8 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | Super LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 16M | ||
| Screen size | 4.3" inch | 6.2" inch | ||
| Screen area | 51.0 cm2 | 95.9 cm2 | ||
| Screen format | 16:9 (height:width) | 19:9 (height:width) | ||
| Screen to body ratio | 62.2% | 81.2% | ||
| Screen resolution | 720 x 1280 px | 720 x 1520 px | ||
| PPI /points per inch/ | 342 PPI | 271 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 5 MP, Single | 13 MP, Dual | |
| Camera specs | 5 MP, AF | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor | ||
| Functions | LED flash | LED flash, HDR, panorama | ||
| Video | 1080p@30fps | 1080p@30fps | ||
| Front camera, selfie | 1.6 MP, Single | 8 MP, Single | ||
| Specifications | 1.6 MP | 8 MP, f/2.2 | ||
| Performance | Operating system OS | Android 4.1 (Jelly Bean); Facebook Home UI | Android 8.1 (Oreo); ColorOS 5.1 | |
| Chipset | Qualcomm MSM8930 Snapdragon 400 (28 nm) | Qualcomm SDM450 Snapdragon 450 (14 nm) | ||
| Processor CPU | Dual-core 1.4 GHz Krait | Octa-core 1.8 GHz Cortex-A53 | ||
| Graphics processor GPU | Adreno 305 | Adreno 506 | ||
| External memory | No | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 16 GB, 1 GB RAM | 16 GB, 2 GB RAM | ||
| Antutu 7 score | 18456 | 64122 | ||
| General specs | Release date | 2013, April | 2018, July | |
| Dimensions (HxWxD) | 126 Х 65 Х 8.9 mm | 156.2 Х 75.6 Х 8.2 mm | ||
| Weight | 123.9 g | 168 g | ||
| Colors | White, Black, Red, Pale Blue | Red, Dark Purple | ||
| Battery | 2000 mAh, Non-removable Li-Po | 4230 mAh, Non-removable Li-Ion | ||
| Approximate price | 200 EUR | 11000 INR | ||
| Battery life | Stand by time- Up to 432 h Talking time- Up to 14 h 20 min | |||
| Communication and Connectivity | SIM card | Micro-SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE band 2(1900), 4(1700/2100), 5(850), 17(700) - AT&T | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE | ||
| Speed | HSPA | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | ||
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | ||
| NFC | Yes | |||
| USB | microUSB 2.0 | microUSB 2.0, USB On-The-Go | ||
| Bluetooth | 4.0, A2DP, LE | 4.2, A2DP, LE | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | Active noise cancellation with dedicated mic | ||
| Other features | Dop | Sensors Accelerometer, gyro, proximity, compass | Sensors Accelerometer, proximity, compass - For India | |
