Phone Comparison - O2 XDA Comet vs Samsung Galaxy K Zoom vs Samsung Galaxy S7 Edge
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| Price Comparison (India) | - | - | |
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| Manufacturer | O2 | Samsung | Samsung |
| Announced | September 2007 | April 2014 | February 2016 |
| Status | Available | Available - June 2013 | Available - March 2016 |
| Price | - | - | Rs. 50,900 ($748.53) [Similarly Priced] |
| Colors | Silver | Charcoal, Electric Blue, Shimmery White | Various |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
106 x 58 x 19 mm (4.17 x 2.28 x 0.75 in) |
137.5 x 70.8 x 16.6 mm (5.41 x 2.79 x 0.65 in) |
150.9 x 72.6 x 7.7 mm (5.94 x 2.86 x 0.3 in) |
| Weight | 145 g (5.11 oz) | 200 g (7.05 oz) | 157 g (5.54 oz) |
| SIM Type | - | - | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, Dual Stand-by) |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 |
| 4G Network | - | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | LTE |
| Messaging | SMS, MMS, EMail | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Heart rate sensor - Fingerprint sensor - IP68 certified - dust and water resistant - Water resistant up to 1 meter and 30 minutes |
| Notification LED | - | - | Yes |
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| OS | Microsoft Windows Mobile 6.0 Professional | Android OS, v4.4.2 (KitKat) | Android OS, v6.0 (Marshmallow) |
| Processor | Intel XScale PXA 270 620 MHz | Hexa-core - 1.3 GHz Quad-Core + 1.7 GHz Dual-Core | Quad-core (2x 2.15 GHz Kryo & 2x 1.6 GHz Kryo)/ Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) , Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890 |
| GPU | - | Adreno 530/ Mali-T880 MP12 | |
| RAM | 64 MB | 2 GB | 4 GB |
| Internal Memory | N/A | 8 GB | 32 GB |
| External Memory | miniSD | microSD, up to 64 GB | microSD upto 256GB |
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| Type | TFT resistive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Curved Edge Screen, Always-on display |
| Colors | 65K colors | 16M colors | 16M colors |
| Size | 2.7 inches | 4.8 inches | 5.5 inches |
| Resolution | 240 x 320 pixels (148 ppi) | 720 x 1280 pixels (306 ppi) | 1440 x 2560 pixels (534 ppi) |
| Screen-to-Body Ratio | 36.79% | 65.23% | 76.13% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | No | - |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 20.7 MP, 4992 х 3744 pixels | 12 MP, 4608 x 2592 pixels |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Auto focus, 1/2.3 BSI CMOS Sensor, 10x Optical Zoom, OIS, 24-240 mm, F3.1-6.3, Geo-tagging, Touch Focus, Face And Smile Detection, HDR, Panorama | Phase Detection Autofocus, Dual Pixel, f/1.7, 1/2.6' Sensor Size, 1 µm Pixel Size, Smart Optical Image Stablization, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama | |
| Video | Yes | Yes, 1080p@30fps | 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. |
| Front Camera | VGA videocall camera [Similar] | Yes, 2 MP [Similar] | 5 MP, f/1.7, Dual Video Call, Auto HDR [Similar] |
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| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA | HSDPA, 42 Mbps, HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps |
| Bluetooth | Yes, v1.2 | Yes, v4.0 with A2DP, LE | v4.2, A2DP, LE, apt-X |
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | Yes, miniUSB | Yes, microUSB v2.0 (MHL), USB On-the-go | microUSB v2.0, USB Host |
| GPS | No | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | WAP 2.0/xHTML, HTML (PocketIE) | HTML5 | HTML5 |
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| Internal | 64 MB RAM, 1 GB ROM | 8 GB, 2 GB RAM | 32 GB, 4 GB RAM |
| Expandable Storage | miniSD | microSD, up to 64 GB | microSD upto 256GB |
| USB OTG | - | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Barometer Sensor | |
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| Heart-rate Sensor | |
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| NFC | |
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| Type | Standard battery, Li-Ion | Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 2430 mAh | 3600 mAh | |
| Stand by | Up to 200 h | - | - |
| Talk Time | Up to 6 h | - | - |
Rs. 50,900 
Rs. 50,900 
Rs. 50,520 
