| Global Score | |
| 42.2 | 46.4 |
| Basic Information | |
| Celkon | BLU |
| Android 4.2.2 | Android 4.1 |
| -- | 0000-00-00 |
| 4.91 x 2.60 x 0.43 inches | 5.79 x 3.03 x 0.43 inches |
| 4.07 ounces | 5.50 ounces |
| Black, Blue and Red | Black and White |
| -- | Scratch-Resistant Glass |
| $ 249.00 | $ 85.00 |
| Display / Screen | |
| 4 inches | 5 inches |
| 320 x 480 pixels | 480 x 800 pixels |
| -- | LCD |
| 144 pixels per inch | 187 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 6.4 | 7.2 |
| Performance | |
| -- | MediaTek chipset |
| Dual-Core 1200 MHz processor | ARM Cortex-A9 (Dual-Core 1000 MHz) processor |
| 256 MB RAM | 512 MB RAM |
| Yes GPU | PowerVR SGX531 (200 MHz) GPU |
| 7.74 | 7.74 |
| Storage | |
| 524,29 MB internal memory | 4 GB internal memory |
| microSD, microSDHC (up to 32 GB) external memory slot | microSD, microSDHC (up to 32 GB) external memory slot |
| 2.42 | 3.82 |
| Camera | |
| 3.20 MP + 1.30 MP | 5.00 MP + 0.30 MP |
| -- | 1280 x 720 (30 fps) (HD) video resolution |
| 5.61 | 6.6 |
| Networks | |
| Wi-Fi | Wi-Fi |
| EDGE, GPRS and GSM | HSDPA, EDGE, GPRS and GSM |
| SIM, Dual SIM | SIM |
| 2.8 | 3.4 |
| Battery Life | |
| 1500mAh Li-Ion Battery | 2000mAh Battery |
| Removable Battery | Removable Battery |
| 8 hours talk time | 160 hours standby time 5 hours talk time |
| 3.28 | 3.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 3.0 |
| GPS | GPS |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | -- |
BLU Studio 5.0 is a bit better than the Celkon A21, with a score of 46.4 against 42.2. Both of these phones come with Android operating system, but BLU Studio 5.0 has older 4.1 version and Celkon A21 has Android 4.2.2 version. The BLU Studio 5.0 body has the same thickness than Celkon A21, but it's notably heavier.
Celkon A21 and BLU Studio 5.0 count with really similar processing units, and although the BLU Studio 5.0 has an additional graphics co-processor and more RAM memory, they both have the same number of cores. The BLU Studio 5.0 counts with a much better display than Celkon A21, because it has a greater screen density, a bigger display and a way higher resolution of 800 x 480 pixels.
The BLU Studio 5.0 shoots better pictures and videos than Celkon A21, because it has a much better 5 megapixels resolution back camera. BLU Studio 5.0 counts with a much better memory capacity to install games and applications than Celkon A21, and although they both have a slot for SD memory cards that holds a maximum of 32 GB, the BLU Studio 5.0 also has 3,49 GB more internal storage.
BLU Studio 5.0 has greater battery duration than Celkon A21, because it has 2000mAh of battery capacity.
The BLU Studio 5.0 not only is the best devices in our comparison, but it's also by far the cheapest one, making it very easy to pick between these devices.
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