Compare phones
| Global Score | |
| 72.1 | 76.1 |
| Basic Information | |
| HTC | Samsung |
| -- | Android 10 |
| 2015-11-06 | 2020-06-29 |
| 5.74 x 2.79 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 5.04 ounces | 6.81 ounces |
| 16 777 216 | Black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 500.00 | $ 194.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 441 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 617 8952 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 1500 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 405 GPU | PowerVR GE8320 GPU |
| 8.64 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 12.76 | 9.84 |
| Camera | |
| 13.00 MP + 4.00 MP | 16.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 9.35 |
| 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 |
| 6.1 | 6.7 |
| Battery Life | |
| 2150mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.08 | 5.92 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy A21 is slightly better than HTC One A9, getting a 76.1 score against 72.1. The Samsung Galaxy A21 is a notably newer device than the HTC One A9, but it is a little bit thicker and extremely heavier. The HTC One A9 features a more vivid screen than Galaxy A21, because although it has a way smaller display, it also counts with a way greater pixels density and a higher resolution of 1080 x 1920.
The HTC One A9 counts with much more memory capacity to store more games and applications than Galaxy A21, and although they both have equal 32 GB internal storage, the HTC One A9 also has a slot for SD memory cards that allows up to 1,95 TB. Samsung Galaxy A21 has just a little better performance than HTC One A9. They have 8 cpu cores and a 3 GB RAM.
Galaxy A21 counts with a much better battery life than HTC One A9, because it has 4000mAh of battery capacity. The Galaxy A21 captures slightly better photos and videos than HTC One A9, and although they both have the same 1920x1080 (Full HD) video definition and the same 30 fps video frame rates, the Galaxy A21 also has a larger aperture for better images and videos in low light situations and a higher 16 mega-pixels resolution camera in the back.
The Samsung Galaxy A21 is not only the best phones between the ones we are comparing here, but it's also very cheap compared to the other phones, which makes it a great choice.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.