| Global Score | |
| 26.7 | 65.8 |
| Basic Information | |
| Siemens | Xiaomi |
| Symbian 6.1 | Android 6.0 Marshmallow |
| -- | 2016-11-11 |
| 4.29 x 2.20 x 0.75 inches | 5.51 x 2.77 x 0.33 inches |
| 4.14 ounces | 4.64 ounces |
| -- | 16 777 216 |
| -- | Metal |
| $ 100.00 | $ 104.00 |
| Display / Screen | |
| -- | 5 inches |
| 176 x 220 pixels | 1280 x 720 pixels (HD) |
| TFD | IPS LCD |
| -- | 294 pixels per inch |
| No touch screen | No touch screen |
| 3 | 7.2 |
| Performance | |
| -- | Qualcomm Snapdragon 425 8917 chipset |
| processor | ARM Cortex-A53, 64-bit, 28 nm (Quad-Core 1400 MHz) processor |
| -- | 2 GB RAM |
| GPU | Adreno 308 GPU |
| 5.76 | 8.28 |
| Storage | |
| -- | 16 GB internal memory |
| MMC external memory slot | microSDXC (up to 128 GB) external memory slot |
| 0 | 6.72 |
| Camera | |
| 0.30 MP | 13.00 MP + 5.00 MP |
| -- | f/2.20 aperture |
| 220 x 176 video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 3.63 | 8.8 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| GPRS and GSM | LTE-A (4G), LTE (4G) and HSPA |
| SIM | Micro SIM |
| 0.2 | 6.1 |
| Battery Life | |
| 1000mAh Li-Polymer Battery | 3120mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| 200 hours standby time 4 hours talk time | -- |
| 2.56 | 5.12 |
| Other Features | |
| -- | Bluetooth 4.1 |
| -- | GPS |
| Infra-red port | -- |
| -- | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
The Xiaomi Redmi 4a has a general score of 65.8, which is a lot better than the Siemens SX1's 26.7 overall score. The Xiaomi Redmi 4a is a somewhat heavier but thinner cellphone than the Siemens SX1. The Xiaomi Redmi 4a comes with Android 6.0 Marshmallow operating system, and Siemens SX1 has Symbian 6.1 operating system.
The Xiaomi Redmi 4a has a much better performing processor than Siemens SX1, because it has more processing cores. Xiaomi Redmi 4a counts with an incredibly better screen than Siemens SX1, because it has a much better 720 x 1280 resolution. The Xiaomi Redmi 4a counts with a greater camera than Siemens SX1, because it has a much higher video resolution and a camera in the back with a way higher resolution.
The Xiaomi Redmi 4a features a much greater storage capacity for applications and games than Siemens SX1. Xiaomi Redmi 4a has a way better battery performance than Siemens SX1, because it has 3120mAh of battery capacity instead of 1000mAh.
The Xiaomi Redmi 4a costs a bit more money than Siemens SX1, but you can get a much better phone for that extra money.
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