Compare phones
| Global Score | |
| 41.9 | 46.1 |
| Basic Information | |
| Karbonn | HTC |
| Android 4.0 | Windows Mobile Professional 6.1 |
| -- | 2008-05-06 |
| -- | 4.01 x 2.00 x 0.45 inches |
| -- | 3.88 ounces |
| White | -- |
| $ 155.00 | $ 139.00 |
| Display / Screen | |
| 4.5 inches | 2.8 inches |
| 480 x 800 pixels | 480 x 640 pixels (VGA) |
| -- | TFT |
| 207 pixels per inch | 286 pixels per inch |
| Capacitive, Multi-touch | Resistive |
| 7 | 7 |
| Performance | |
| -- | Qualcomm MSM7201 chipset |
| Dual-Core 1200 MHz processor | Single-Core 528 MHz processor |
| -- | 192 MB RAM |
| GPU | GPU |
| 7.65 | 6.66 |
| Storage | |
| 4 GB internal memory | 4 GB internal memory |
| microSD, microSDHC (up to 32 GB) external memory slot | No SD card slot |
| 3.82 | 2.5 |
| Camera | |
| 5.00 MP + 1.30 MP | 3.20 MP |
| 6.05 | 5.17 |
| Networks | |
| Wi-Fi | Wi-Fi |
| HSDPA, UMTS, EDGE, GPRS and GSM | HSDPA, HSUPA, UMTS, EDGE and GSM |
| SIM, Dual SIM | SIM |
| 3.4 | 3.5 |
| Battery Life | |
| 1800mAh Battery | 900mAh Li-Polymer Battery |
| Removable Battery | Removable Battery |
| 200 hours standby time 5 hours talk time | 285 hours standby time 5.5 hours talk time |
| 3.68 | 2.4 |
| Other Features | |
| Bluetooth | Bluetooth 2.0, EDR |
| GPS | GPS |
| -- | Accelerometer |
| -- | FM Radio |
| Digital TV Broadcast | -- |
Comparison review
The HTC Touch Diamond has an overall score of 46.1, which is slightly better than the Karbonn A21's overall score of 41.9. HTC Touch Diamond counts with Windows Mobile Professional 6.1 operating system, while Karbonn A21 has Android 4.0 operating system. Karbonn A21 counts with a more powerful CPU than HTC Touch Diamond, because it has a larger number of cores.
Karbonn A21 and HTC Touch Diamond count with really similar displays, because although the HTC Touch Diamond has a quite lower resolution of 640 x 480px and a really smaller screen, it also counts with a higher screen pixels density. The Karbonn A21 counts with a much greater memory capacity for games and applications than HTC Touch Diamond, and although they both have equal internal storage capacity, the Karbonn A21 also has an external memory slot that holds up to 32 GB.
Karbonn A21 has a much longer battery duration than HTC Touch Diamond, because it has a 1800mAh battery size. Karbonn A21 has a superior camera than HTC Touch Diamond, because it has a way higher resolution back camera.
HTC Touch Diamond is not only the best devices in this comparison, but it's also a bit cheaper, making this phone a very good choice.
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