Phone Comparison - Samsung Galaxy Star 2 Plus vs Samsung Galaxy Ace 4 vs Samsung Galaxy Alpha
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | July 2014 | June 2014 | August 2014 |
| Status | Available - July 2014 | Available - July 2014 | Available - September 2014 |
| Colors | Black, White | Iris Charcoal, Classic White | Black, white, gold, silver, blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
129.7 x 65.9 x 9.4 mm (5.11 x 2.59 x 0.37 in) |
121.4 x 62.9 x 10.8 mm (4.78 x 2.48 x 0.43 in) |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
| Weight | - | 123.8 g (4.34.0.28 oz) | 115 g (4.06 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | No | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | 1.2 GHz Cortex-A9 | Dual-core 1.0 GHz | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 |
| GPU | - | - | Mali-T628 MP6 |
| RAM | 512 MB | 512 MB | 2 GB |
| Internal Memory | 4 GB ROM | 4 GB | 32 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | No |
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| Type | TFT Capacitive Touchscreen | TFT capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.0 inches | 4.7 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (320 ppi) |
| Screen-to-Body Ratio | 61.55% | 59.76% | 66.95% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3 MP, 2048 x 1536 pixels | 5 MP, 2592 х 1944 pixels | 12 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Geo-tagging | Auto focus, Geo-tagging, Face And Smile Detection, Panorama | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR |
| Video | Yes | Yes, 720p@30fps | 2160p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | 2.1 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | v4.0, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB ROM, 512 MB RAM | 4 GB, 512 MB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | No |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1800 mAh | 1500 mAh | 1860 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
