Microsoft Lumia 640 XL
#5933
Xiaomi Redmi Note 4G
#5727Category Breakdown
Microsoft Lumia 640 XL
Xiaomi Redmi Note 4G
Performance
43.649.6
Camera
19.119.1
Display
56.556.5
Battery
24.225.4
Build
0.20.2
Connectivity
43.849.6
Audio
8.98.9
Overall
25.926.7
Summary
- The Microsoft Lumia 640 XL features a 5.7-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Xiaomi Redmi Note 4G has a slightly smaller 5.5-inch IPS LCD display with the same resolution.
- In terms of performance, the Lumia is powered by a quad-core 1.2 GHz Snapdragon 400 chipset, whereas the Redmi Note 4G has a more powerful 1.6 GHz version of the same chipset, both with 1GB of RAM.
- Both devices sport a 13 MP rear camera capable of 1080p video recording and a 5 MP front camera.
- The Lumia has a 3000 mAh battery, slightly less than the 3100 mAh battery in the Redmi Note 4G.
- Software-wise, the Lumia runs on Microsoft Windows Phone 8.1, upgradable to Windows 10, while the Redmi Note 4G operates on Android 4.2, upgradable to 4.4.2 with MIUI 5.
Side-by-side Specification Comparison
Microsoft Lumia 640 XL
Xiaomi Redmi Note 4G
General
Release Date
2015
2014
Announced
2015
2014
Description
N/A
N/A
Display
Size
5.7"
5.5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~259 ppi density)
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Qualcomm MSM8226 Snapdragon 400 (28 nm)
Qualcomm MSM8928 Snapdragon 400 (28 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
Quad-core 1.6 GHz Cortex-A7
GPU
Adreno 305
Adreno 305
Memory
8GB 1GB RAM
8GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/2.0, 28mm (wide), 1/3.0", AF
13 MP, f/2.2, 28mm (wide), AF
Main Camera Features
Zeiss optics, LED flash
LED flash, HDR
Front Camera
5 MP
5 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
720p
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3100 mAh
Battery Details
Li-Ion 3000 mAh, removable
Li-Po 3100 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
154 x 78.7 x 9.5 mm (6.06 x 3.10 x 0.37 in)
Weight
171 g
185 g
Materials
N/A
N/A
Colors
Matte cyan, Orange, Black, Matte white, Glossy white
Black/White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Micro-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps
HSPA, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✗
✓
WiFi
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
4.0, A2DP
4.0, A2DP, LE
NFC
✓
✗
USB
microUSB 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Android 4.2 (Jelly Bean), upgradable to 4.4.2 (KitKat), MIUI 5
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass, sensor core
Accelerometer, gyro, proximity, compass