Compare phones
| Global Score | |
| 71.9 | 84.1 |
| Basic Information | |
| HTC | Samsung |
| Android 5.0, 4.4.3, 4.4 | Android 11, 10 |
| 2014-03-25 | 2020-03-23 |
| 5.76 x 2.78 x 0.37 inches | 6.26 x 2.96 x 0.35 inches |
| 5.64 ounces | 6.63 ounces |
| Blue, Gold, Gray, Pink and Red | Midnight blue and Raven black |
| Aluminium | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 325.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 801 chipset | Exynos 9611 chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.36 | 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 | |
| 4.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (60 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.36 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 2600mAh Li-Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 20 hours talk time | -- |
| 4.56 | 7.52 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M21 has a score of 84.1, which is much better than HTC One (M8)'s 71.9 overall score. The Samsung Galaxy M21 construction is extremely newer and just a little bit thinner than the HTC One (M8)'s, although it is also heavier. These devices come with Android operating system, but the Samsung Galaxy M21 has 11 version while HTC One (M8) has Android 5.0 version.
The HTC One (M8) features just a little better hardware performance than Samsung Galaxy M21, because although it has an inferior number of cores (although they are faster) and a smaller amount of RAM, it also counts with an additional graphics processor. The HTC One (M8) features a little bit better display than Galaxy M21, because although it has a bit worse resolution of 1920 x 1080px and a much smaller screen, it also counts with a bit higher screen pixels density.
The Galaxy M21 captures way better photos and videos than HTC One (M8), and although they both have a same size camera aperture, the Galaxy M21 also has a way larger camera sensor which offers a way better photo and video quality, a back facing camera with a lot higher resolution and a lot better 3840x2160 video resolution.
The Samsung Galaxy M21 counts with a way bigger memory for games and applications than HTC One (M8), because it has 32 GB more internal memory and a SD extension slot that admits a maximum of 512 GB. The Samsung Galaxy M21 has a really longer battery life than HTC One (M8), because it has 6000mAh of battery capacity instead of 2600mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.