Compare phones
| Global Score | |
| 38 | 85.5 |
| Basic Information | |
| Nokia | Samsung |
| Symbian 9.2 | Android 11, 10 |
| 2007-08-29 | 2019-12-27 |
| 4.01 x 1.96 x 0.70 inches | 6.24 x 2.90 x 0.31 inches |
| 4.93 ounces | 6.07 ounces |
| -- | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 269.00 | $ 282.00 |
| Display / Screen | |
| 2.4 inches | 6.5 inches |
| 240 x 320 pixels (QVGA) | 2400 x 1080 pixels |
| TFT | Super AMOLED |
| 167 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 6.4 | 8.1 |
| Performance | |
| -- | Samsung Exynos 9611 chipset |
| ARM11 (Single-Core 369 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 96 MB RAM | 4 GB RAM |
| GPU | Mali-G72 MP3 GPU |
| 6.3 | 9.27 |
| Storage | |
| 12,29 MB internal memory | 128 GB internal memory |
| microSD external memory slot | microSDXC (up to 512 GB) external memory slot |
| 0.2 | 14.14 |
| Camera | |
| 2.00 MP | 48.00 MP + 32.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 320 x 240 (15 fps) (QVGA) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 5.06 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| UMTS, EDGE and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 2.8 | 6.7 |
| Battery Life | |
| 1050mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 408 hours standby time 4 hours talk time | -- |
| 2.64 | 5.92 |
| Other Features | |
| Bluetooth 2.0, EDR | Bluetooth 5.0 |
| -- | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| -- | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A51 has an overall score of 85.5, which is way better than Nokia N81's 38 overall score. The Galaxy A51 works with Android 11 operating system, and Nokia N81 counts with Symbian 9.2 operating system. Although the Galaxy A51 is somewhat heavier than Nokia N81, it's much thinner and also notably newer.
Galaxy A51 counts with a much more powerful processor than Nokia N81, because it has a larger amount of RAM memory and a larger number of cores. Samsung Galaxy A51 has an incredibly better looking display than Nokia N81, because it has a way greater display pixel density, a much higher 1080 x 2400 resolution and a way bigger screen.
The Samsung Galaxy A51 counts with much more storage capacity to install games and applications than Nokia N81, because it has 128 GB internal memory. The Samsung Galaxy A51 has a greater camera than Nokia N81, because it has a lot more megapixels camera in the back and a much better 3840x2160 video resolution.
The Samsung Galaxy A51 has a superior battery life than Nokia N81, because it has a 281 percent greater battery size.
The Galaxy A51 is a little more expensive than the Nokia N81, but you can get a much better phone for that extra dollars.
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