| Global Score | |
| 45.6 | 78.2 |
| Basic Information | |
| Celkon | Samsung |
| Android 4.1.2 | Android 4.4.2, 4.3, 4.2.2 |
| -- | 2013-03-14 |
| 5.35 x 2.65 x 0.43 inches | 5.38 x 2.75 x 0.31 inches |
| 3.46 ounces | 4.62 ounces |
| Black and White | Black, Blue, Red and White |
| -- | Polycarbonate |
| -- | Scratch-Resistant Glass |
| $ 155.00 | $ 155.00 |
| Display / Screen | |
| 4.5 inches | 5 inches |
| 480 x 854 pixels | 1080 x 1920 pixels (Full HD) |
| TFT | Super AMOLED |
| 218 pixels per inch | 441 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 7.1 | 9.1 |
| Performance | |
| -- | Qualcomm Snapdragon 800 (8974) chipset |
| Dual-Core 1200 MHz processor | Krait 400 (Quad-Core 2300 MHz) processor |
| 512 MB RAM | 2 GB (800 MHz) RAM |
| Yes GPU | Adreno 330 (450 MHz) GPU |
| 7.83 | 9.27 |
| Storage | |
| 4 GB internal memory | 32 GB internal memory |
| microSD, microSDHC (up to 32 GB) external memory slot | microSD, microSDHC, microSDXC (up to 64 GB) external memory slot |
| 3.82 | 7.56 |
| Camera | |
| 3.20 MP + 0.30 MP | 13.00 MP + 2.00 MP |
| -- | f/2.20 aperture |
| -- | 31.00mm focal length |
| -- | 0.33 inches (1/3.06") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 5.5 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| EDGE, GPRS and GSM | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| SIM, Dual SIM | Micro SIM |
| 3.4 | 7 |
| Battery Life | |
| 2000mAh Li-Ion Battery | 2600mAh Li-Ion Battery |
| Removable Battery | Removable Battery |
| -- | Wireless Charging |
| 160 hours standby time 5 hours talk time | 17 hours talk time |
| 3.92 | 4.56 |
| Other Features | |
| Bluetooth | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Galaxy S4 has a score of 78.2, which is much better than the Celkon A66's global score of 45.6. The Galaxy S4 construction is heavier but much thinner than the Celkon A66. These phones come with Android operating system, but the Galaxy S4 has the newer 4.4.2 version while Celkon A66 has Android 4.1.2 version, so it provides the user a couple nice extra features.
Samsung Galaxy S4 features an incredibly better screen than Celkon A66, because it has a little bit larger screen, a way better pixel density and a way better resolution of 1920 x 1080px. The Samsung Galaxy S4 features a quite superior performance than Celkon A66, because it has an extra graphics co-processor, 1,5 GB more RAM memory and a greater number of cores.
The Galaxy S4 shoots way better photographs and videos than Celkon A66, because it has a much more MP back-facing camera. The Samsung Galaxy S4 features a very superior memory capacity for games and applications than Celkon A66, because it has 28 GB more internal storage capacity and a slot for SD memory cards that holds a maximum of 64 GB.
The Galaxy S4 has better battery duration than Celkon A66, because it has a 2600mAh battery size.
Galaxy S4 and the Celkon A66 cost exactly the same, which makes this phone a simple decision.
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