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Brief information about compared phones: Celkon Q54+ , Plum PhantomCelkon Q54+ 2015 year of release. cpu Quad-core 1.2 GHz. screen 5". with resolution 480x854. Smartphone has 5 megapixel front camera and 5 megapixel main camera . Plum Phantom 2017 year of release. cpu Quad-core 1.3 GHz Cortex-A7. screen 6". with resolution 720x1280. Smartphone has 8 megapixel front camera and 13 megapixel main camera . |
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| Display | Technology | IPS LCD | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 5" inch | 6" inch | ||
| Screen area | 68.9 cm2 | 99.2 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 65.1% | 71.2% | ||
| Screen resolution | 480 x 854 px | 720 x 1280 px | ||
| PPI /points per inch/ | 196 PPI | 245 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 13 MP, Single | |
| Camera specs | 5 MP, AF | 13 MP | ||
| Functions | LED flash | LED flash | ||
| Video | Yes | 720p@30fps | ||
| Front camera, selfie | 5 MP, Single | 8 MP, Single | ||
| Specifications | 5 MP | 8 MP | ||
| Performance | Operating system OS | Android 4.4.2 (KitKat) | Android 6.0 (Marshmallow) | |
| Chipset | Spreadtrum 7731 | Mediatek MT6580A (28 nm) | ||
| Processor CPU | Quad-core 1.2 GHz | Quad-core 1.3 GHz Cortex-A7 | ||
| Graphics processor GPU | Mali-400 | Mali-400MP2 | ||
| External memory | microSD, up to 32 GB | microSD, up to 64 GB | ||
| Internal memory | 8 GB, 1 GB RAM | 16 GB, 1 GB RAM | ||
| Antutu 7 score | 33258 | |||
| General specs | Release date | 2015, March | 2017, September | |
| Dimensions (HxWxD) | 145 Х 73 Х 8.8 mm | 165.5 Х 84.2 Х 8.8 mm | ||
| Weight | 150.6 g | 138 g | ||
| Colors | Blue, Brown, White, Silver | Gray, Gold, Rose Gold, White | ||
| Battery | 2000 mAh, Li-Ion | 2500 mAh, Removable Li-Ion | ||
| Battery life | Stand by time- Up to 620 h (2G) / Up to 600 h (3G) Talking time- Up to 25 h (2G) / Up to 10 h (3G) | |||
| Communication and Connectivity | SIM card | Dual SIM | Dual SIM (Micro-SIM, dual stand-by) | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA | HSPA 21.1/5.76 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | ||
| GPS | Yes | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB | microUSB 2.0 | ||
| Bluetooth | 2.0 | 4.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.16 W/kg (head) 0.30 W/kg (body) | |||
| Music and Audio | Radio | FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer | Sensors Accelerometer Also known as Plum Z623 | |
