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Brief information about compared phones: BLU C4 , ZTE U900BLU C4 2018 year of release. cpu Quad-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 5 megapixel front camera and 5 megapixel main camera . ZTE U900 2011 year of release. cpu . screen 3.5". with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera . |
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| Display | Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | 256K | ||
| Screen size | 4" inch | 3.5" inch | ||
| Screen area | 45.5 cm2 | 34.9 cm2 | ||
| Screen format | 5:3 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 57.1% | % | ||
| Screen resolution | 480 x 800 px | 480 x 800 px | ||
| PPI /points per inch/ | 233 PPI | 267 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 3.15 MP, Single | |
| Camera specs | 5 MP | 3.15 MP, AF | ||
| Functions | LED flash | |||
| Video | 720p@30fps | Yes | ||
| Front camera, selfie | 5 MP, Single | 0.3 MP, Single | ||
| Specifications | 5 MP | VGA | ||
| Performance | Operating system OS | Android 8.1 Oreo (Go edition) | Android-based OPhone 2.0 | |
| Processor CPU | Quad-core 1.3 GHz | |||
| Graphics processor GPU | Mali-400 | |||
| External memory | microSD, up to 64 GB | microSD (dedicated slot) | ||
| Internal memory | 8 GB, 512 MB RAM | |||
| Antutu 7 score | 21722 | |||
| General specs | Release date | 2018, August | 2011, February | |
| Dimensions (HxWxD) | 124.3 Х 64.2 Х 10.9 mm | Х Х mm | ||
| Weight | 118 g | 0 g | ||
| Colors | Black, Gold, Blue | White | ||
| Battery | 1300 mAh, Li-Po | 0 mAh, | ||
| Approximate price | 50 USD | |||
| Battery life | Stand by time- Up to 400 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 13 h (3G) | |||
| Communication and Connectivity | SIM card | Dual SIM (Micro-SIM) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 | ||
| Speed | HSPA 21.1/5.76 Mbps | HSPA | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB 2.0 | ||
| Bluetooth | 2.1 | 2.1, A2DP | ||
| Music and Audio | Radio | FM radio | ||
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer For USA | Sensors Accelerometer, proximity, compass - CMMB Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input | |
