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Brief information about compared phones: HTC First , Oppo A39HTC 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 A39 2017 year of release. cpu Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53). screen 5.2". with resolution 720x1280. Smartphone has 5 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 | 5.2" inch | ||
| Screen area | 51.0 cm2 | 74.5 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 62.2% | 68.6% | ||
| Screen resolution | 720 x 1280 px | 720 x 1280 px | ||
| PPI /points per inch/ | 342 PPI | 282 PPI | ||
| Screen protection | Corning Gorilla Glass | Corning Gorilla Glass 4 | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 13 MP, Single | |
| Camera specs | 5 MP, AF | 13 MP, f/2.2, 1/3'', AF | ||
| Functions | LED flash | LED flash, panorama, HDR | ||
| Video | 1080p@30fps | 1080p@30fps | ||
| Front camera, selfie | 1.6 MP, Single | 5 MP, Single | ||
| Specifications | 1.6 MP | 5 MP, f/2.4, 1/4'', 1.4µm | ||
| Performance | Operating system OS | Android 4.1 (Jelly Bean); Facebook Home UI | Android 5.1 (Lollipop); ColorOS 3 | |
| Chipset | Qualcomm MSM8930 Snapdragon 400 (28 nm) | Mediatek MT6750 (28 nm) | ||
| Processor CPU | Dual-core 1.4 GHz Krait | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | ||
| Graphics processor GPU | Adreno 305 | Mali-T860MP2 | ||
| External memory | No | microSD, up to 256 GB (dedicated slot) | ||
| Internal memory | 16 GB, 1 GB RAM | 32 GB, 3 GB RAM | ||
| Antutu 7 score | 18456 | |||
| GeekBench 4 Single Core | 639 | |||
| GeekBench 4 Multi-Core | 2481 | |||
| GeekBench 4 RenderScript | 1870 | |||
| General specs | Release date | 2013, April | 2017, March | |
| Dimensions (HxWxD) | 126 Х 65 Х 8.9 mm | 149.1 Х 72.9 Х 7.7 mm | ||
| Weight | 123.9 g | 147 g | ||
| Colors | White, Black, Red, Pale Blue | Gold, Rose Gold | ||
| Battery | 2000 mAh, Non-removable Li-Po | 2900 mAh, Non-removable Li-Ion | ||
| Approximate price | 200 EUR | 150 EUR | ||
| Battery life | Stand by time- Up to 432 h Talking time- Up to 14 h 20 min | |||
| Body build | aluminum body, plastic ends | |||
| 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 band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500) LTE band 1(2100), 20(800), 28(700), 39(1900), 41(2500) | ||
| Speed | HSPA | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, 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 | 4.0, A2DP | ||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Others | Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, gyro, proximity, compass | Sensors Accelerometer, proximity, compass | |
