Microsoft Lumia 640 Dual Sim vs Xiaomi Redmi 7A
Quick Comparison
Xiaomi Redmi 7A has better RAM than Microsoft Lumia 640 Dual Sim. In terms of display resolution, Xiaomi Redmi 7A has better resolution of 1440 x 720 than Microsoft Lumia 640 Dual Sim which has resolution of 720 x 1280. Xiaomi Redmi 7A has more internal memory than Microsoft Lumia 640 Dual Sim
| Name | Microsoft Lumia 640 Dual Sim | Xiaomi Redmi 7A |
| RAM | 1 GB | 2 GB |
|---|---|---|
| Display | 5 in | 5.45 in |
| Internal Memory | 8 GB | 16 GB |
| Battery | 2500 mAh | 4000 mAh |
| Camera | 8 MP | 12 MP |
| Price | Rs. 5600 | Rs. 5999 |
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Detailed Comparison
Price And Launch
The cost of Microsoft Lumia 640 Dual Sim is Rs. 5600. The launch Date of the second phone is July 4, 2019. The cost of Xiaomi Redmi 7A is Rs. 5999.
Display comparison
Microsoft Lumia 640 Dual Sim has screen size of 5 inches which falls short to Xiaomi Redmi 7A's 5.45 inch screen. Microsoft Lumia 640 Dual Sim has IPS Screen type where as Xiaomi Redmi 7A has Screen type. Xiaomi's phone has display density of 295 PPI & Microsoft's phone has only 294 PPI display density. Microsoft Lumia 640 Dual Sim has 16:9 aspect ratio where as Xiaomi Redmi 7A has 18:9 aspect ratio.
Memory comparison
Xiaomi Redmi 7A's larger 2 GB RAM is better for playing games and all with respect to Microsoft Lumia 640 Dual Sim's lower 1 GB RAM. Xiaomi Redmi 7A has more Internal Memory (16 GB) than Microsoft Lumia 640 Dual Sim (8 GB).
Camera comparison
Xiaomi Redmi 7A's 12 MP Rear Camera outclasses Microsoft Lumia 640 Dual Sim's 8 MP Rear Camera in terms of resolution. Xiaomi Redmi 7A will be better choice if you're looking to click lot of selfies as it has better 5 MP Front Camera in comparison to Microsoft Lumia 640 Dual Sim's 0.9 MP Front Camera.
Technical comparison
Microsoft Lumia 640 Dual Sim has version 8.1 Windows 8 Operating System where as Xiaomi Redmi 7A has version 9.0 Android Operating System.
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Full Comparison
| Name | Microsoft Lumia 640 Dual Sim | Xiaomi Redmi 7A |
| General | ||
| Model | Redmi 7A | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Micro SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 4, 2019 | |
| Design | ||
| Dimensions | 72.2 x 141.3 x 8.8 mm | 70.4 x 146.3 x 9.6 mm |
| Weight | 145 g | 165 g |
| Design Type | Classic (Candybar) | |
| Display | ||
| Type | Color IPS Screen (16M colors Colors) | Color TFT IPS (16M Colors) |
| Touch | Yes | Yes |
| Size | 5 inches, 1280 x 720 pixels | 5.45 inches, 720 x 1440 pixels |
| Aspect Ratio | 16:9 | 18:9 |
| PPI | ~ 294 PPI | ~ 295 PPI |
| Screen to Body Ratio | ~ 74.4% | |
| Features | Multi-point Touch, Lumia Color Profile, Easy to Clean, Sunlight Readability Enhancements, Corning Gorilla Glass 3 | |
| Notch | No | |
| Memory | ||
| RAM | 1 GB | 2 GB |
| Storage | 8 GB | 16 GB |
| Card Slot | Yes, upto 128 GB | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes 42.2 Mbps Download 5.76 Mbps Upload | Yes |
| 4G | Yes | |
| VoLTE | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.0 | Yes, v4.2 |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| USB Features | USB Charging | |
| Extra | ||
| GPS | Yes, with A-GPS Support | A-GPS, GLONASS, BeiDou |
| Fingerprint Sensor | No | |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Compass | Ambient Light Sensor, Proximity Sensor, E-compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | Yes |
| Extra | DLNA | |
| Water Resistance | No | |
| Splash Resistant | Yes | |
| Camera | ||
| Rear Camera | 8 MP | 12 MP ƒ/2.2 IMX486 |
| Auto Focus | Yes | Yes |
| Features | HDR | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 0.9 MP | 5 MP ƒ/2.2 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Windows 8 v8.1 | Android v9.0 (Pie) |
| Chipset | Qualcomm Snapdragon 439 | |
| CPU | 1.2 GHz, Quad Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53 | |
| GPU | Adreno 505 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | |
| Multimedia | ||
| Supports | Voice Commands, Calendar, Instant Messanging, YouTube Player | |
| Yes, with Push Email | Yes | |
| Music | AMR, AAC | Yes |
| Video | H.264, VC, MP4, H.263, VC | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 2500 mAh | 4000 mAh, Li-Po Battery |
| Fast Charging | Yes, 10W Charger | |
| StandBy Time | 35 days | |
| Talk Time | 27 hours | |