| Global Score | |
| 68.6 | 64.4 |
| Basic Information | |
| Nokia | |
| Windows RT 8.1 | Android 13 |
| 2013-10-22 | 2023-08-20 |
| 10.51 x 6.61 x 0.35 inches | 9.89 x 6.70 x 0.59 inches |
| 21.69 ounces | 30.12 ounces |
| Black, Blue, Red and White | -- |
| -- | Plastic and Plastic |
| $ 159.00 | -- |
| Display / Screen | |
| 10.1 inches | 10.1 inches |
| 1920 x 1080 pixels (Full HD) | 1920 x 1200 pixels |
| IPS LCD | IPS LCD |
| 218 pixels per inch | 224 pixels per inch |
| 665 cd/m2 brightness | 360 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.4 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | Unisoc Tiger T616 (12 nm) chipset |
| Krait 400 (Quad-Core 2200 MHz) processor | Octa-Core 2000 MHz processor |
| 2 GB (800 MHz) RAM | 8 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G57 MC1 GPU |
| 9.18 | 9.18 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC (up to 32 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 7.12 | 15.42 |
| Camera | |
| 6.70 MP + 2.00 MP | 13.00 MP + 16.00 MP |
| f/1.90 aperture | -- |
| 26.00mm focal length | -- |
| 0.29 inches (1/3.4") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | -- |
| 8.25 | 7.04 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | -- |
| Micro SIM | -- |
| 7 | 2.4 |
| Battery Life | |
| 8000mAh Battery | 13000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 600 hours standby time | -- |
| 8.96 | 12 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Accelerometer, Compass and Gyroscope | Accelerometer, Compass, Gyroscope and Light Sensor |
| -- | FM Radio |
Lumia 2520 has an overall score of 68.6, which is a bit better than Blackview Oscal Spider 8's 64.4 general score. The Lumia 2520 is an incredibly older device than the Blackview Oscal Spider 8, but Nokia was able to build it thinner and extremely lighter anyway. The Lumia 2520 has Windows RT 8.1 OS, while Blackview Oscal Spider 8 works with Android 13 OS.
The Lumia 2520 features a more vivid display than Blackview Oscal Spider 8, because although it has a little bit worse resolution of 1080 x 1920 and a just a bit lower display density, and they both have a same size screen, the Lumia 2520 also counts with way more screen brightness. The Blackview Oscal Spider 8 features a very superior storage to store more games and applications than Lumia 2520, because it has more internal storage capacity and a SD card slot that supports up to 1 TB.
Nokia Lumia 2520 and Blackview Oscal Spider 8 have extremely similar processors, because although the Blackview Oscal Spider 8 has doesn't have an extra graphics co-processor, it also counts with a higher amount of RAM memory and a greater number of cores. Blackview Oscal Spider 8 has a way better battery performance than Lumia 2520, because it has a 63 percent larger battery capacity.
Nokia Lumia 2520 takes much better videos and photos than Blackview Oscal Spider 8, although it has a lot less mega-pixels back camera.
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