| Global Score | |
| 48.8 | 53.4 |
| Basic Information | |
| Acer | Samsung |
| Windows Phone 7.5 Mango | Windows Mobile Professional 6.5 |
| -- | 2009-06-15 |
| 4.57 x 2.32 x 0.51 inches | 4.65 x 2.36 x 0.47 inches |
| 4.44 ounces | 4.34 ounces |
| $ 129.00 | $ 79.00 |
| Display / Screen | |
| 3.6 inches | 3.7 inches |
| 480 x 800 pixels | 480 x 800 pixels |
| LCD | AMOLED |
| 259 pixels per inch | 252 pixels per inch |
| Multi-touch | Resistive |
| 7.3 | 6.8 |
| Performance | |
| Qualcomm Snapdragon S2 MSM8255 chipset | -- |
| Scorpion (Single-Core 1000 MHz) processor | Single-Core 800 MHz processor |
| 512 MB (333 MHz) RAM | 256 MB RAM |
| Adreno 205 (245 MHz) GPU | GPU |
| 7.56 | 7.11 |
| Storage | |
| 8 GB internal memory | 16 GB internal memory |
| No SD card slot | microSD, microSDHC external memory slot |
| 3.3 | 4.4 |
| Camera | |
| 5.00 MP | 5.00 MP |
| -- | 720 x 480 (30 fps) video resolution |
| 5.5 | 6.16 |
| Networks | |
| Wi-Fi | Wi-Fi |
| HSPA and GSM | HSDPA, HSUPA, UMTS, EDGE and GSM |
| SIM | SIM |
| 3 | 3.5 |
| Battery Life | |
| 1300mAh Li-Ion Battery | 1500mAh Li-Ion Battery |
| Removable Battery | Removable Battery |
| 6 hours talk time | 430 hours standby time 10 hours talk time |
| 3.04 | 3.28 |
| Other Features | |
| Bluetooth 2.1, EDR | Bluetooth 2.0 |
| GPS | GPS |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer and Proximity Sensor |
Samsung Omnia II has a global score of 53.4, which is slightly better than Acer Allegro's global score of 48.8. Samsung Omnia II has Windows Mobile Professional 6.5 OS, while Acer Allegro counts with Windows Phone 7.5 Mango OS. Samsung Omnia II is a just a little bit lighter and a bit thinner cellphone than the Acer Allegro.
The Acer Allegro has a little better hardware performance than Samsung Omnia II, and although they both have a Single-Core processing unit, the Acer Allegro also has a higher amount of RAM memory and a graphics co-processor. The Acer Allegro has a slightly better display than Samsung Omnia II, because although it has a little smaller screen, and they both have exactly the same resolution of 800 x 480 pixels, the Acer Allegro also counts with a quite greater amount of pixels in each inch in the screen.
Samsung Omnia II captures better videos and photos than Acer Allegro. Both have a 5 MP back camera. The Samsung Omnia II has a way bigger storage for applications, games, photos and videos than Acer Allegro, because it has 16 GB internal memory capacity. Samsung Omnia II counts with just a bit longer battery lifetime than Acer Allegro, because it has a 1500mAh battery capacity against 1300mAh.
Samsung Omnia II is not only the best phones in this comparison, but it's also by far the cheapest.
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