| Global Score | |
| 63.8 | 68.6 |
| Basic Information | |
| Nokia | |
| Android 13 | Windows RT 8.1 |
| 2023-09-20 | 2013-10-22 |
| 9.70 x 6.15 x 0.30 inches | 10.51 x 6.61 x 0.35 inches |
| 15.84 ounces | 21.69 ounces |
| -- | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| -- | $ 159.00 |
| Display / Screen | |
| 10.4 inches | 10.1 inches |
| 200 x 1200 pixels | 1920 x 1080 pixels (Full HD) |
| IPS LCD | IPS LCD |
| 117 pixels per inch | 218 pixels per inch |
| 330 cd/m2 brightness | 665 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 6.1 | 8.4 |
| Performance | |
| Unisoc Tiger T606 (12 nm) chipset | Qualcomm Snapdragon 800 MSM8974 chipset |
| Octa-Core 1600 MHz processor | Krait 400 (Quad-Core 2200 MHz) processor |
| 8 GB RAM | 2 GB (800 MHz) RAM |
| Mali-G57 MC1 GPU | Adreno 330 (450 MHz) GPU |
| 8.91 | 9.18 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC (up to 32 GB) external memory slot |
| 17.34 | 7.12 |
| Camera | |
| 13.00 MP + 16.00 MP | 6.70 MP + 2.00 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 |
| 7.04 | 8.25 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| -- | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| -- | Micro SIM |
| 2.4 | 7 |
| Battery Life | |
| 8280mAh Battery | 8000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | 600 hours standby time |
| 9.2 | 8.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.0 |
| GPS | GPS |
| -- | NFC |
| Accelerometer and Light Sensor | Accelerometer, Compass and Gyroscope |
| FM Radio | -- |
The Lumia 2520 is just a bit better than Blackview Oscal Pad 15, with a 68.6 score against 63.8. The Lumia 2520 counts with Windows RT 8.1 operating system, while Blackview Oscal Pad 15 has Android 13 operating system. The Lumia 2520 is a better tablet than Blackview Oscal Pad 15, we must tell that it is also much older, somewhat thicker and heavier.
The Nokia Lumia 2520 has a way better looking screen than Blackview Oscal Pad 15, because although it has a quite smaller display, it also counts with a way higher amount of pixels per inch of screen, a much better 1080 x 1920px resolution and much more brightness. Blackview Oscal Pad 15 has a much bigger storage for applications and games than Lumia 2520, because it has a SD card slot that allows up to 512 GB and more internal storage.
Lumia 2520 has a little faster CPU than Blackview Oscal Pad 15, because although it has 6 GB lesser RAM and 4 lesser CPU cores (although they are faster), it also counts with an additional GPU. Blackview Oscal Pad 15 counts with a bit superior battery life than Lumia 2520, because it has an 8280mAh battery capacity against 8000mAh.
Lumia 2520 takes better photographs and videos than Blackview Oscal Pad 15, although it has a camera with a lot worse resolution.
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