Microsoft Lumia 640 XL
#5677
verykool s5025 Helix
#5837Category Breakdown
Microsoft Lumia 640 XL
verykool s5025 Helix
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 Microsoft Lumia 640 XL features a larger 5.7-inch IPS LCD display with a resolution of 720 x 1280 pixels, while the verykool s5025 Helix has a 5.0-inch IPS LCD with the same resolution but a higher pixel density of approximately 294 ppi.
- In terms of performance, the Lumia is powered by a Qualcomm Snapdragon 400 chipset with a quad-core 1.2 GHz CPU, whereas the Helix uses a Mediatek MT6580 with a slightly faster 1.3 GHz CPU.
- Both devices have a 13 MP rear camera and a 5 MP front camera, capable of recording 1080p video, but neither offers optical image stabilization.
- The Lumia has a significantly larger 3000 mAh battery compared to the Helix's 1950 mAh, which may impact overall usage time.
- Software-wise, the Lumia runs on Microsoft Windows Phone 8.1, upgradable to Windows 10, while the Helix operates on Android 5.1 (Lollipop), providing different user experiences.
- The build quality of the Lumia is bulkier and heavier at 171g, compared to the lighter and slimmer Helix at 136g.
Side-by-side Specification Comparison
Microsoft Lumia 640 XL
verykool s5025 Helix
General
Release Date
2015
2015
Announced
2015
2015
Description
N/A
N/A
Display
Size
5.7"
5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~259 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
Scratch-resistant glass
Performance
Chipset
Qualcomm MSM8226 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)
microSDHC
Camera
Main Camera
13 MP
13 MP
Main Camera Details
13 MP, f/2.0, 28mm (wide), 1/3.0", AF
13 MP, AF
Front Camera
5 MP
5 MP
Front Camera Details
5 MP
5 MP
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
3000 mAh
1950 mAh
Battery Details
Li-Ion 3000 mAh, removable
Li-Ion 1950 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
143.5 x 72.5 x 7.9 mm (5.65 x 2.85 x 0.31 in)
Weight
171 g
136 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Matte cyan, Orange, Black, Matte white, Glossy white
Black, Blue
Foldable
✗
✗
Connectivity
SIM
Micro-SIM
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, LE
NFC
✓
✗
USB
microUSB 2.0
microUSB 2.0
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, sensor core
Accelerometer, proximity
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes