Category Breakdown
Celkon Millennia Xplore
Microsoft Lumia 640 XL Dual SIM
Performance
54.354.3
Camera
42.442.4
Display
70.570.5
Battery
43.543.5
Build
70.870.8
Overall
54.654.6
Summary
- The Celkon Millennia Xplore features a 5.0-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the Microsoft Lumia 640 XL Dual SIM has a larger 5.7-inch IPS LCD with the same resolution but a lower pixel density of ~259 ppi.
- Both devices are powered by quad-core processors, but the Lumia uses a Qualcomm chipset, which may offer slightly better performance with its Adreno 305 GPU compared to the Mali-400MP2 in the Celkon.
- Both smartphones have a 13 MP rear camera, but the Lumia supports 1080p video recording, whereas the Celkon does not specify video capabilities.
- The Lumia also has a significantly larger 3000 mAh battery compared to the Celkon's 2000 mAh.
- In terms of software, the Celkon runs on Android 5.0, while the Lumia operates on Windows Phone 8.1, upgradeable to Windows 10, providing a different user experience.
Side-by-side Specification Comparison
Celkon Millennia Xplore
Microsoft Lumia 640 XL Dual SIM
General
Release Date
2015
2015
Announced
2015
2015
Description
N/A
N/A
Display
Size
5"
5.7"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
720 x 1280 pixels, 16:9 ratio (~259 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6582M (28 nm)
Qualcomm MSM8226 Snapdragon 400 (28 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
Quad-core 1.2 GHz Cortex-A7
GPU
Mali-400MP2
Adreno 305
Memory
8GB 1GB RAM
8GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDXC (dedicated slot)
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP
13 MP, f/2.0, 28mm (wide), 1/3.0", AF
Front Camera
8 MP
5 MP
Front Camera Details
8 MP
5 MP
Video Recording
Yes
1080p@30fps
Selfie Video
N/A
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2000 mAh
3000 mAh
Battery Details
Li-Ion 2000 mAh battery
Li-Ion 3000 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
145.7 x 73.8 x 7.9 mm (5.74 x 2.91 x 0.31 in)
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
Weight
150 g
171 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black/White
Matte cyan, Orange, Black, Matte white, Glossy white
Foldable
✗
✗
Connectivity
SIM
Dual SIM
Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 21.1/5.76 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
4.0, A2DP
4.0, A2DP
NFC
✗
✓
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS, BDS
Software
Operating System
Android 5.0 (Lollipop)
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
OS Version
Android 5.0 (Lollipop)
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer, proximity, compass, sensor core
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

