Category Breakdown
Microsoft Lumia 640 LTE Dual SIM
XOLO Q2500
Performance
43.639.1
Camera
19.119.1
Display
56.556.5
Battery
21.824.2
Build
0.20.2
Connectivity
52.930.6
Audio
8.98.9
Overall
26.223.7
Summary
- The Microsoft Lumia 640 LTE Dual SIM features a 5.0-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the XOLO Q2500 has a larger 6.0-inch IPS LCD display with the same resolution but a lower pixel density of ~245 ppi.
- In terms of performance, the Lumia is powered by a Qualcomm Snapdragon 400 chipset with a 1.2 GHz CPU, whereas the XOLO utilizes a Mediatek MT6582 chipset with a slightly faster 1.3 GHz CPU, but with less RAM at 4GB compared to the Lumia's 1GB.
- Both phones have an 8 MP rear camera capable of 1080p video recording, but the Lumia has a lower resolution selfie camera at 1 MP compared to the XOLO's 2 MP.
- The Lumia has a 2500 mAh battery, while the XOLO offers a larger 3000 mAh battery.
- On the software front, the Lumia runs Microsoft Windows Phone 8.1, upgradable to Windows 10, while the XOLO operates on Android 4.2, upgradable to 4.4.2.
Side-by-side Specification Comparison
Microsoft Lumia 640 LTE Dual SIM
XOLO Q2500
General
Release Date
2015
2014
Announced
2015
2014
Description
N/A
For India
Display
Size
5"
6"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
720 x 1280 pixels, 16:9 ratio (~245 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Qualcomm MSM8926 Snapdragon 400 (28 nm)
Mediatek MT6582 (28 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
Quad-core 1.3 GHz Cortex-A7
GPU
Adreno 305
Mali-400MP2
Memory
8GB 1GB RAM
4GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDHC
Camera
Main Camera
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
8 MP, AF
Main Camera Features
LED flash
LED flash, panorama, HDR
Front Camera
1 MP
2 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
720p
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2500 mAh
3000 mAh
Battery Details
Li-Ion 2500 mAh, removable
Li-Po 3000 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
168 x 83 x 8.5 mm (6.61 x 3.27 x 0.33 in)
Weight
145 g
N/A
Materials
N/A
N/A
Colors
Glossy cyan, Orange, White, Matte black
Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Dual SIM
Network
GSM / HSPA / LTE
GSM / HSPA
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 21.1/5.76 Mbps
5G
✗
✗
4G
✓
✗
WiFi
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
4.0, A2DP
4.0, A2DP
NFC
✓
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS
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)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, proximity

