Compare phones
| Global Score | |
| 77.7 | 84.1 |
| Basic Information | |
| HTC | Samsung |
| Android 5.0 | Android 11, 10 |
| 2015-03-01 | 2020-03-23 |
| 5.69 x 2.74 x 0.38 inches | 6.26 x 2.96 x 0.35 inches |
| 5.54 ounces | 6.63 ounces |
| Black, Gold, Gray and Pink | Midnight blue and Raven black |
| Aluminium | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 178.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| S-LCD 3 | Super AMOLED |
| 441 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.3 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Exynos 9611 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (800 MHz) RAM | 4 GB RAM |
| Adreno 430 (600 MHz) GPU | Mali-G72 MP3 GPU |
| 9.99 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 11.74 |
| Camera | |
| 20.00 MP + 4.00 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| 27.80mm focal length | 26.00mm focal length |
| 0.42 inches (1/2.4") sensor | 0.5 inches (1/2") 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 |
| 10.12 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2840mAh Li-Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 391 hours standby time 25.4 hours talk time | -- |
| 4.8 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M21 has a score of 84.1, which is just a bit better than HTC One M9's global score of 77.7. The Galaxy M21 body is noticeably newer and just a little bit thinner, but somewhat heavier than HTC One M9. Both phones we are comparing work with Android OS (Operating System), but the Galaxy M21 has the newer 11 version while HTC One M9 has Android 5.0.
The HTC One M9 counts with just a little better processing power than Samsung Galaxy M21, because although it has a lower amount of RAM memory, and they both have 8 cores, the HTC One M9 also counts with a 64-bit processor and a graphics co-processor. HTC One M9 features a brighter display than Galaxy M21, because although it has a much smaller screen and a bit lower resolution of 1920 x 1080 pixels, it also counts with a little more pixels per display inch.
The Samsung Galaxy M21 counts with a better camera than HTC One M9, and although they both have the same (4K) video definition and the same 30 fps video frame rates, the Samsung Galaxy M21 also has a much better 48 megapixels resolution back facing camera, a larger aperture and a bigger sensor which gives a better image and video quality.
Galaxy M21 has a much better memory capacity to install applications and games or saving photos and videos than HTC One M9, because it has more internal storage capacity and a SD extension slot that supports up to 512 GB. The Galaxy M21 has a way better battery performance than HTC One M9, because it has a 111% more battery capacity.
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