Microsoft Lumia 640 vs Xiaomi Redmi 2
A spec-by-spec comparison of the Microsoft Lumia 640 and the Xiaomi Redmi 2, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Price | $49 | $100 |
| Our rating | 6/10 | 5/10 |
| Battery | 2,500 mAh | 2,200 mAh |
| Wired charging | — | 10W |
| RAM (max) | 1 GB | — |
| Storage (max) | 128 GB | 32 GB |
| Screen size | 5 in | 4.7 in |
| Main camera | 8 MP | 8 MP |
| Weight (lower is lighter) | 145 g | 133 g |
| Released | Apr 2015 | Jan 2015 |
Summary: Microsoft Lumia 640 is ahead on our rating, battery, storage (max), screen size. Xiaomi Redmi 2 is ahead on weight (lower is lighter).
★ Which should you buy? Microsoft Lumia 640 is the stronger overall pick on the measured specs.
Reviewed by the infozme.com Editorial Team — see how we research & rate phones.
Display
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD |
| Size | 5.0 inches, 68.9 cm2 (~67.2% screen-to-body ratio) | 4.7 inches |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | 720 x 1280 pixels |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 2 |
| Features | Glance screen, Sunlight readability enhancements | 312 ppi pixel density |
Platform
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| OS | Microsoft Windows Phone 8.1 with Lumia Denim, upgradable to Windows 10 Mobile | Android 4.4.4 (KitKat), MIUI 6.0 |
| Chipset | Qualcomm Snapdragon 400 (MSM8926) | Qualcomm Snapdragon 410 (MSM8916) |
| CPU | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A53 |
| GPU | Adreno 305 | Adreno 306 |
Memory
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Card slot | microSDXC (dedicated slot), up to 128 GB | microSDHC, up to 32GB |
| Internal | 8GB eMMC 4.5 (approximately 3GB user available), 1GB RAM | — |
| RAM | — | 1GB or 2GB |
| Internal Storage | — | 8GB or 16GB |
Main Camera
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Single | 8 MP, f/2.2, 28mm (wide), AF | 8 MP, f/2.2 |
| Features | LED flash, Panorama | LED flash, HDR |
| Video | 1080p@30fps | 1080p |
Selfie Camera
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Single | 0.9 MP (or 1 MP FF), f/2.4 | 2 MP |
| Video | 720p | 720p |
Battery
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Type | Removable Li-Ion 2500 mAh battery | Removable Li-Po 2200 mAh |
| Stand-by | Up to 864 h (2G) / Up to 864 h (3G) | — |
| Talk time | Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G) | — |
| Charging | — | 10W wired, Quick Charge 1.0 |
Body
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Dimensions | 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) | 134 x 67.2 x 9.4 mm |
| Weight | 145 g (5.11 oz) | 133g |
| SIM | Micro-SIM (Single SIM or Dual SIM models) | Dual SIM |
| Build | Plastic body, removable back cover | — |
Comms
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g/n |
| Bluetooth | 4.0, A2DP, LE | 4.0 |
| Positioning | GPS, GLONASS, BDS (A-GPS) | — |
| NFC | Yes (LTE model) | — |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | microUSB 2.0 |
| GPS | — | GPS, GLONASS, Beidou |
Launch
| Microsoft Lumia 640 | Xiaomi Redmi 2 |
|---|
| Announced | 2015, March 02 | January 2015 |
| Status | Available. Released 2015, April | Discontinued |
Frequently asked questions
Which has the better battery, Microsoft Lumia 640 or Xiaomi Redmi 2?
Microsoft Lumia 640 — 2,500 mAh for the Microsoft Lumia 640 versus 2,200 mAh for the Xiaomi Redmi 2.
Which is lighter, Microsoft Lumia 640 or Xiaomi Redmi 2?
Xiaomi Redmi 2 — 145 g for the Microsoft Lumia 640 versus 133 g for the Xiaomi Redmi 2.
Which is newer, Microsoft Lumia 640 or Xiaomi Redmi 2?
Microsoft Lumia 640 — Apr 2015 for the Microsoft Lumia 640 versus Jan 2015 for the Xiaomi Redmi 2.
Is the Microsoft Lumia 640 or the Xiaomi Redmi 2 rated higher?
We rate the Microsoft Lumia 640 6/10 and the Xiaomi Redmi 2 5/10.
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