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Brief information about compared phones: Celkon A64 , HTC U11Celkon A64 2014 year of release. cpu Dual-core 1.2 GHz. screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 2 megapixel main camera . HTC U11 2017 year of release. cpu Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo). screen 5.5". with resolution 1440x2560. Smartphone has 16 megapixel front camera and 12 megapixel main camera . |
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| Display | Technology | TFT | Super LCD5 | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 5.5" inch | ||
| Screen area | 47.6 cm2 | 83.4 cm2 | ||
| Screen format | 3:2 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 59.1% | 71.4% | ||
| Screen resolution | 320 x 480 px | 1440 x 2560 px | ||
| PPI /points per inch/ | 144 PPI | 534 PPI | ||
| Screen protection | Corning Gorilla Glass 5 | |||
| Camera and Video | Rear camera, main | 2 MP, Single | 12 MP, Single | |
| Camera specs | 2 MP | 12 MP, f/1.7, 1/2.55'', 1.4µm, dual pixel PDAF, 5-axis OIS | ||
| Functions | LED flash | Dual-LED dual-tone flash, HDR, panorama | ||
| Video | Yes | 1080p@30fps | ||
| Front camera, selfie | 0.3 MP, Single | 16 MP, Single | ||
| Specifications | VGA | 16 MP, f/2.0 | ||
| DxOMark Main Score | 90 | |||
| DxOMark Photo | 90 | |||
| DxOMark Video | 89 | |||
| Performance | Operating system OS | Android 4.2.2 (Jelly Bean) | Android 7.1 (Nougat), upgradable to Android 8.0 (Oreo); Sense UI | |
| Chipset | Qualcomm MSM8998 Snapdragon 835 (10 nm) | |||
| Processor CPU | Dual-core 1.2 GHz | Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo) | ||
| Graphics processor GPU | Adreno 540 | |||
| External memory | microSD, up to 32 GB | microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only | ||
| Internal memory | 512 MB, 256 MB RAM | 128 GB, 6 GB RAM 64 GB, 512GB 4GB | ||
| Antutu 7 score | 214359 | |||
| GeekBench 4 Single Core | 1913 | |||
| GeekBench 4 Multi-Core | 6333 | |||
| GeekBench 4 RenderScript | 7938 | |||
| GeekBench 5 Single Core | 382 | |||
| GeekBench 5 Multi-Core | 1468 | |||
| General specs | Release date | 2014 | 2017, May | |
| Dimensions (HxWxD) | 124 Х 65 Х 10.5 mm | 153.9 Х 75.9 Х 7.9 mm | ||
| Weight | 125.6 g | 169 g | ||
| Colors | White, Black | Amazing Silver, Sapphire Blue, Brilliant Black, Ice White, Solar Red | ||
| Battery | 1400 mAh, Li-Ion | 3000 mAh, Non-removable Li-Ion | ||
| Approximate price | 370 EUR | |||
| Battery life | Stand by time- Up to 150 h Talking time- Up to 8 h 20 min | Stand by time- Up to 336 h (3G) Talking time- Up to 24 h 30 min (3G) | ||
| Body build | Front/back glass, aluminum frame | |||
| Communication and Connectivity | SIM card | Dual SIM | Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM, dual stand-by) | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/75 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, DLNA, hotspot | ||
| GPS | Yes | Yes, with A-GPS, GLONASS, BDS | ||
| NFC | Yes | |||
| USB | microUSB | 3.1, Type-C 1.0 reversible connector | ||
| Bluetooth | 2.0 | 4.2, A2DP, LE (5.0 after SW update) | ||
| Harmful irradiation | SAR EU - 0.42 W/kg (head) 0.55 W/kg (body) | |||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | No | ||
| Others | 24-bit/192kHz audio -Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer | Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass - Fast battery charging (Quick Charge 3.0) - IP67 dust/water resistant (up to 1m for 30 mins) - Also known as HTC U11 Dual SIM with dual-SIM card slots128GB/6GB (China, Taiwan, Malaysia, Singapore, India, Hong Kong, Russia, Saudi Arabia, Philippines) | |
