Compare phones
| Global Score | |
| 72.1 | 84.1 |
| Basic Information | |
| HTC | Samsung |
| -- | Android 11, 10 |
| 2015-11-06 | 2020-03-23 |
| 5.74 x 2.79 x 0.29 inches | 6.26 x 2.96 x 0.35 inches |
| 5.04 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 441 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 617 8952 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 1500 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 405 GPU | Mali-G72 MP3 GPU |
| 8.64 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 12.76 | 11.74 |
| Camera | |
| 13.00 MP + 4.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.8 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 2150mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.08 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M21 is better than HTC One A9, having an 84.1 score against 72.1. Even though the Samsung Galaxy M21 is notably newer than HTC One A9, it is notably heavier and somewhat thicker. Galaxy M21 counts with a bit more vivid screen than HTC One A9, because although it has a little less pixels per screen inch, it also counts with a larger display and a slightly better resolution of 1080 x 2340.
The Galaxy M21 counts with a little bit better performance than HTC One A9, and although they both have the same number of cores, the Galaxy M21 also has 1 GB more RAM. HTC One A9 has a little bit more memory for apps and games than Galaxy M21, because although it has 0 less internal memory, it also counts with a SD memory card expansion slot that allows up to 1,95 TB.
The Galaxy M21 has a superior battery life than HTC One A9, because it has a 6000mAh battery size. Galaxy M21 takes much better pictures and videos than HTC One A9, and although they both have a same size aperture, the Galaxy M21 also has a camera with a way higher resolution and a way better video quality.
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