Category Breakdown
O2 X1b
VK Mobile VK4100
Performance
54.358.8
Camera
41.841.8
Display
48.348.3
Battery
43.543.5
Build
70.870.8
Overall
50.051.3
Summary
- The O2 X1b features a compact build with dimensions of 102 x 44 x 18 mm and weighs 86g, while the VK Mobile VK4100 is slightly larger at 104 x 52 x 25.9 mm and has an unspecified weight.
- The display on the VK4100 is 1.8 inches with 256K colors and a resolution of 128 x 160 pixels, offering a better visual experience compared to the O2 X1b's 0-inch TFT display with 65K colors and a resolution of 128 x 128 pixels.
- In terms of performance, the VK4100 has significantly more RAM at 128GB compared to the 16GB in the O2 X1b, which may enhance multitasking capabilities.
- Both devices lack a rear camera capable of video recording, but the VK4100 offers a VGA camera, whereas the O2 X1b does not have a functional camera.
- Battery specifications are not provided for either device, indicating a lack of detail on battery life.
- Both phones do not have advanced software features or connectivity options like WiFi or 5G, but both support Bluetooth.
Side-by-side Specification Comparison
O2 X1b
VK Mobile VK4100
General
Release Date
2005
2006
Announced
2005
2006
Description
N/A
N/A
Display
Size
N/A
1.8"
Type
TFT, 65K colors
TFT, 256K colors
Resolution
128 x 128 pixels, 1:1 ratio
128 x 160 pixels (~114 ppi density)
PPI
128
128
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
16MB
128MB
Expandable Storage
✗
✓
Card Slot
No
Yes
Camera
Main Camera
N/A
N/A
Main Camera Details
CIF
VGA
Front Camera
N/A
N/A
Front Camera Details
N/A
N/A
Video Recording
No
No
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
N/A
N/A
Battery Details
Removable Li-Ion battery
Removable Li-Ion battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
102 x 44 x 18 mm (4.02 x 1.73 x 0.71 in)
104 x 52 x 25.9 mm (4.09 x 2.05 x 1.02 in)
Weight
86 g
N/A
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
N/A
Black
Foldable
✗
✗
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
Yes
Yes
NFC
✗
✗
USB
N/A
Proprietary
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Software
Operating System
N/A
N/A
OS Version
N/A
N/A
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
No
Audio Jack
No
No

