| Global Score | |
| 89.1 | 90.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 14 |
| 2022-01-11 | -- |
| 6.13 x 2.93 x 0.31 inches | -- |
| 6.00 ounces | -- |
| Metal and Plastic | Glass (Corning Gorilla Glass) and Titanium |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 3088 x 1440 pixels |
| Dynamic AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 501 pixels per inch |
| -- | 2600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 (5 nm) chipset | Qualcomm Snapdragon 8 Gen 4 chipset |
| Kryo 680 Prime, 64-bit (Octa-Core 2840 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Yes GPU |
| 9.63 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 12.00 MP + 32.00 MP | 200.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | 24.00mm focal length |
| -- | 0.77 inches (1/1.3") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.9 | 14.74 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.6 |
| Battery Life | |
| 4500mAh Battery | 5000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Galaxy S25 Ultra is slightly better than the Galaxy S21 FE, with a score of 90.7 against 89.1. These devices include Android OS (Operating System), but the Galaxy S25 Ultra has the newer 14 version and Galaxy S21 FE has Android 11 version. Galaxy S25 Ultra is a a lot lighter and notably thinner phone than Galaxy S21 FE.
The Samsung Galaxy S21 FE features a much powerful processing unit than Galaxy S25 Ultra, although it has a smaller amount of RAM, they both have 8 cores. Galaxy S25 Ultra features a much better looking screen than Samsung Galaxy S21 FE, because it has a little bit better screen pixel density, a higher 1440 x 3088 resolution and a little larger display.
Galaxy S25 Ultra counts with much more memory capacity to store more apps and games than Samsung Galaxy S21 FE, because it has 256 GB internal storage. Samsung Galaxy S25 Ultra shoots a lot better photographs and videos than Galaxy S21 FE, because it has a larger aperture to capture better captures and videos in low light situations, a much higher resolution back camera and a way better video quality.
The Samsung Galaxy S25 Ultra counts with just a bit better battery lifetime than Samsung Galaxy S21 FE, because it has an 11% bigger battery capacity.
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