Category Breakdown
Microsoft Lumia 640 Dual SIM
Wiko Rainbow Jam
Performance
54.354.3
Camera
42.142.1
Display
70.570.5
Battery
43.543.5
Build
70.870.8
Overall
54.554.5
Summary
- The Microsoft Lumia 640 Dual SIM and Wiko Rainbow Jam both feature a 5.0-inch IPS LCD display with a resolution of 720 x 1280 pixels, providing similar visual experiences.
- In terms of performance, the Lumia is equipped with a Qualcomm Snapdragon 400 chipset and a slightly lower CPU clock speed of 1.2 GHz compared to the Wiko's Mediatek MT6580 at 1.3 GHz.
- Both devices have an 8 MP rear camera, but the Lumia records video at 1080p@30fps, while the Wiko captures at 1080p@24fps; the Wiko also offers a superior 5 MP front camera.
- Battery capacity is identical at 2500 mAh, with no fast charging or wireless charging capabilities on either device.
- The Lumia runs on Microsoft Windows Phone 8.1, upgradable to Windows 10, while the Wiko operates on Android 5.1, providing distinct software experiences, with the Wiko featuring stereo speakers and the Lumia lacking this feature.
- Build quality shows the Lumia is lighter at 145g compared to the Wiko's 159g, with slightly different dimensions.
Side-by-side Specification Comparison
Microsoft Lumia 640 Dual SIM
Wiko Rainbow Jam
General
Release Date
2015
2015
Announced
2015
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
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Qualcomm MSM8926 Snapdragon 400 (28 nm)
Mediatek MT6580 (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
8GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC
Camera
Main Camera
8 MP
8 MP
Main Camera Details
8 MP, f/2.2, 28mm (wide), 1/4.0", AF
8 MP, AF
Front Camera
1 MP
5 MP
Front Camera Details
1 MP
5 MP
Video Recording
1080p@30fps
1080p@24fps
Selfie Video
720p
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2500 mAh
2500 mAh
Battery Details
Li-Ion 2500 mAh, removable
Li-Ion 2500 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
142.5 x 71.6 x 9.3 mm (5.61 x 2.82 x 0.37 in)
Weight
145 g
159 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Glossy cyan, Orange, White, Matte black
Black, White, Bleen, Coral, Blue
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Micro-SIM, dual stand-by)
Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 42.2/5.76 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, Wi-Fi Direct, hotspot
Bluetooth
4.0, A2DP
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, BDS
GPS
Software
Operating System
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Android 5.1 (Lollipop)
OS Version
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Android 5.1 (Lollipop)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity, compass
Accelerometer, proximity
Audio
Stereo Speakers
✗
✓
Loudspeaker
Yes
Yes, with stereo speakers
Audio Jack
Yes
Yes

