BLU Grand Max
#5707
Microsoft Lumia 640 Dual SIM
#6106Category Breakdown
BLU Grand Max
Microsoft Lumia 640 Dual SIM
Performance
41.743.6
Camera
27.919.1
Display
56.556.5
Battery
20.421.8
Build
0.20.2
Connectivity
29.137.0
Audio
8.98.9
Overall
26.725.2
Summary
- The BLU Grand Max and Microsoft Lumia 640 Dual SIM both feature a 5.0-inch IPS LCD display with a resolution of 720 x 1280 pixels, offering similar visual clarity.
- In terms of performance, the Grand Max is powered by a Mediatek MT6580 chipset with a quad-core 1.3 GHz CPU, while the Lumia utilizes a Qualcomm Snapdragon 400 with a slightly lower 1.2 GHz CPU.
- Both devices have 8GB of storage and 1GB of RAM, but the Lumia has a more capable Adreno 305 GPU compared to the Mali-400MP2 in the Grand Max.
- Camera specifications are nearly identical, with both featuring an 8 MP rear camera capable of 1080p video, though the Lumia's camera has a wider aperture.
- The Lumia has a larger 2500 mAh battery compared to the Grand Max's 2200 mAh, potentially offering better longevity.
- Software-wise, the Grand Max runs Android 6.0, while the Lumia operates on Windows Phone 8.1, upgradable to Windows 10, which may affect user experience and app availability.
Side-by-side Specification Comparison
BLU Grand Max
Microsoft Lumia 640 Dual SIM
General
Release Date
2017
2015
Announced
2017
2015
Description
N/A
N/A
Display
Size
5"
5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6580 (28 nm)
Qualcomm MSM8926 Snapdragon 400 (28 nm)
CPU
Quad-core 1.3 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
microSDXC
microSDXC (dedicated slot)
Camera
Main Camera
8 MP, AF
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Main Camera Features
LED flash
LED flash
Front Camera
8 MP
1 MP
Front Camera Features
LED flash
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
720p
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2200 mAh
2500 mAh
Battery Details
Li-Po 2200 mAh, non-removable
Li-Ion 2500 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
145 x 72.1 x 7.8 mm (5.71 x 2.84 x 0.31 in)
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight
154 g
145 g
Materials
N/A
N/A
Colors
Gold, Gray, Rose Gold
Glossy cyan, Orange, White, Matte black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Micro-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
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
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 6.0 (Marshmallow)
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity
Accelerometer, proximity, compass