Compare phones
Microsoft Lumia 640
LTE Dual SIMRM-1109
| Global Score | |
| 64.3 | 71.7 |
| Basic Information | |
| Microsoft | Xiaomi |
| Windows Phone 8.1 | Android 6.0 Marshmallow |
| 0000-00-00 | 2016-11-07 |
| 5.56 x 2.84 x 0.35 inches | 5.56 x 2.74 x 0.35 inches |
| 5.11 ounces | 5.50 ounces |
| Black, Blue, Orange and White | 16 777 216 |
| -- | Metal |
| Scratch-Resistant Glass | -- |
| $ 139.00 | $ 133.00 |
| Display / Screen | |
| 5 inches | 5 inches |
| 720 x 1280 pixels (HD) | 1920 x 1080 pixels (Full HD) |
| IPS LCD | IPS LCD |
| 294 pixels per inch | 441 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 400 chipset | Qualcomm Snapdragon 625 8953 chipset |
| Quad-Core 1200 MHz processor | ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 1 GB RAM | 3 GB RAM |
| Yes GPU | Adreno 506 GPU |
| 8.1 | 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 | |
| 8.00 MP + 0.90 MP | 13.00 MP + 5.00 MP |
| f/2.20 aperture | f/2.20 aperture |
| 28.00mm focal length | -- |
| 0.25 inches (1/4") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.25 | 8.8 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G) and HSPA |
| Micro SIM, Dual SIM | Micro SIM |
| 7 | 6.1 |
| Battery Life | |
| 2500mAh Battery | 4100mAh Li - Ion Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 864 hours standby time 26.5 hours talk time | -- |
| 4.48 | 6 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Xiaomi Redmi 4 Prime has a score of 71.7, which is better than Lumia 640's overall score of 64.3. Xiaomi Redmi 4 Prime counts with Android 6.0 Marshmallow OS, while Lumia 640 comes with Windows Phone 8.1 OS. Xiaomi Redmi 4 Prime is a a little bit heavier phone than the Lumia 640, but both of them have the same thickness.
Xiaomi Redmi 4 Prime counts with a greater hardware performance than Lumia 640, because it has a larger amount of RAM memory and a larger number of cores. Xiaomi Redmi 4 Prime counts with a little more vivid display than Microsoft Lumia 640, and although they both have a same size display, the Xiaomi Redmi 4 Prime also has a much better resolution of 1080 x 1920 and a higher pixels density.
Xiaomi Redmi 4 Prime shoots slightly better photographs and videos than Lumia 640, and although they both have the same 30 fps video frame rate, the same camera aperture and the same 1920x1080 video definition, the Xiaomi Redmi 4 Prime also has a camera with lot more megapixels. The Xiaomi Redmi 4 Prime counts with a much better memory for games and applications than Microsoft Lumia 640, and although they both have a SD memory slot that supports a maximum of 128 GB, the Xiaomi Redmi 4 Prime also has 32 GB internal storage capacity.
Xiaomi Redmi 4 Prime has a way better battery duration than Microsoft Lumia 640, because it has a 4100mAh battery capacity instead of 2500mAh.
Even being the best phone in our comparison, Xiaomi Redmi 4 Prime is also cheaper than the Lumia 640, making it a very good choice.
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