Compare phones
Microsoft Lumia 640 XL
LTE Dual Sim| Global Score | |
| 65.7 | 71.8 |
| Basic Information | |
| Microsoft | Xiaomi |
| Windows Phone 8.1 | Android 6.0 Marshmallow |
| 0000-00-00 | 2017-02-14 |
| 6.22 x 3.21 x 0.35 inches | 5.94 x 2.99 x 0.33 inches |
| 6.03 ounces | 5.82 ounces |
| Black, Blue, Orange and White | 16 777 216 |
| -- | Metal |
| Scratch-Resistant Glass | -- |
| $ 180.00 | $ 145.00 |
| Display / Screen | |
| 5.7 inches | 5.5 inches |
| 720 x 1280 pixels (HD) | 1920 x 1080 pixels (Full HD) |
| IPS LCD | IPS LCD |
| 258 pixels per inch | 401 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 7.9 | 8 |
| Performance | |
| Qualcomm Snapdragon 400 chipset | Qualcomm Snapdragon 625 8953 chipset |
| Quad-Core 1200 MHz processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor |
| 1 GB RAM | 3 GB RAM |
| Adreno 305 (450 MHz) GPU | Adreno 506 GPU |
| 8.37 | 9.09 |
| Storage | |
| 8 GB internal memory | 32 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 5.62 | 8.12 |
| Camera | |
| 13.00 MP + 5.00 MP | 13.00 MP + 5.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.02 | 9.02 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G) and HSPA |
| Micro SIM, Dual SIM | Micro SIM |
| 7 | 6.1 |
| Battery Life | |
| 3000mAh Battery | 4100mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 888 hours standby time 30.3 hours talk time | -- |
| 4.96 | 6 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 4X has a global score of 71.8, which is a bit better than Lumia 640 XL's global score of 65.7. The Xiaomi Redmi Note 4X is a just a little thinner and just a little lighter cellphone than the Lumia 640 XL. Xiaomi Redmi Note 4X comes with Android 6.0 Marshmallow operating system, while Lumia 640 XL comes with Windows Phone 8.1 operating system.
Xiaomi Redmi Note 4X has just a bit better display than Lumia 640 XL, because although it has a bit smaller display, it also counts with a way higher 1080 x 1920 resolution and a lot greater screen density. The Xiaomi Redmi Note 4X counts with a bit faster processing unit than Lumia 640 XL, because although it has doesn't have an extra graphics processing unit, it also counts with a larger amount of RAM and more cpu cores.
Xiaomi Redmi Note 4X counts with a much better memory to install games and applications than Lumia 640 XL, and although they both have a SD memory slot that holds a maximum of 128 GB, the Xiaomi Redmi Note 4X also has 24 GB more internal memory. The Microsoft Lumia 640 XL and the Xiaomi Redmi Note 4X feature extremely similar cameras, they have the same (Full HD) video definition, the same camera aperture, the same 30 fps video frame rate and a back-facing camera with a 13 mega-pixels resolution.
Xiaomi Redmi Note 4X counts with a really longer battery performance than Lumia 640 XL, because it has 4100mAh of battery capacity.
The Xiaomi Redmi Note 4X not only is the best devices in this comparison, but it's also by far the cheapest one, which makes this phone a great choice.
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