Compare phones
| Global Score | |
| 71.8 | 85.2 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | -- |
| 2017-02-14 | 2018-11-15 |
| 5.94 x 2.99 x 0.33 inches | 6.40 x 3.03 x 0.31 inches |
| 5.82 ounces | 6.46 ounces |
| 16 777 216 | Bubblegum pink, Caviar black and Lemonade blue |
| Metal | Glass and Metal |
| $ 145.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.3 inches |
| 1920 x 1080 pixels (Full HD) | 2220 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 392 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 506 GPU | Adreno 512 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 14.14 |
| Camera | |
| 13.00 MP + 5.00 MP | 24.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| -- | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.02 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 3800mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 5.76 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A9 (2018) has a global score of 85.2, which is much better than the Xiaomi Redmi Note 4X's general score of 71.8. Even though Samsung Galaxy A9 (2018) is a little bit heavier than the Xiaomi Redmi Note 4X, it's just a little thinner and newer. The Galaxy A9 (2018) and Xiaomi Redmi Note 4X have very similar displays, because although the Galaxy A9 (2018) has a little inferior quantity of pixels per display inch, it also counts with a little larger screen and a quite better 1080 x 2220px resolution.
The Galaxy A9 (2018) counts with a much bigger memory for apps and games than Xiaomi Redmi Note 4X, because it has a slot for SD memory cards that admits a maximum of 512 GB and 96 GB more internal storage. The Samsung Galaxy A9 (2018) counts with a little better processing power than Xiaomi Redmi Note 4X, and although they both have 8 processing cores, the Samsung Galaxy A9 (2018) also has 3 GB more RAM memory.
Xiaomi Redmi Note 4X features just a little bit longer battery performance than Galaxy A9 (2018), because it has a 4100mAh battery size against 3800mAh. The Galaxy A9 (2018) shoots better videos and photos than Xiaomi Redmi Note 4X, because it has a much higher 3840x2160 video definition, a way better 24 MP resolution back-facing camera and a larger aperture for better images and videos in low light situations.
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