Compare phones
| Global Score | |
| 84.1 | 77 |
| Basic Information | |
| Samsung | HTC |
| Android 11, 10 | -- |
| 2020-03-23 | 2017-02-21 |
| 6.26 x 2.96 x 0.35 inches | 6.39 x 3.14 x 0.31 inches |
| 6.63 ounces | 6.00 ounces |
| Midnight blue and Raven black | 16 777 216 |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 749.00 |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | S-LCD 5 |
| 403 pixels per inch | 515 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.5 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 821 MSM8996 Pro-AB chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit (Quad-Core 2150 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.27 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 11.74 | 14.66 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (120 fps) (Full HD) slow motion video |
| 11.55 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 has a score of 84.1, which is a little bit better than HTC U Ultra's 77 global score. The Galaxy M21 design is notably newer than the HTC U Ultra's, but it is thicker and just a little heavier. Samsung Galaxy M21 has a bit better processor than HTC U Ultra, and although they both have 4 GB of RAM, the Samsung Galaxy M21 also has 4 more processing cores.
HTC U Ultra counts with a slightly better looking display than Galaxy M21, because although it has a bit smaller display, it also counts with a higher 1440 x 2560 pixels resolution and a higher pixel density. HTC U Ultra has much more memory for games and applications than Samsung Galaxy M21, and although they both have the same internal storage, the HTC U Ultra also has a slot for SD memory cards that allows a maximum of 1,95 TB.
Galaxy M21 counts with a much longer battery performance than HTC U Ultra, because it has a 100% bigger battery capacity. The Galaxy M21 counts with a better camera than HTC U Ultra, because although it has a smaller diafragm aperture, and they both have the same video resolution and the same video frame rates, the Galaxy M21 also counts with a larger back camera sensor taking more light and vivid colors and a lot higher 48 megapixels resolution back-facing camera.
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