Category Breakdown
LG KG290
Sony Ericsson Z558
Performance
12.320.1
Camera
39.68.7
Display
30.625.4
Battery
7.21.6
Build
17.30.2
Connectivity
8.512.0
Audio
8.98.9
Overall
13.58.1
Summary
- The LG KG290 features a 1.77-inch TFT display with a resolution of 128 x 160 pixels, while the Sony Ericsson Z558 has a slightly larger 1.9-inch TFT resistive touchscreen with a resolution of 176 x 220 pixels, offering better pixel density at 148 ppi.
- In terms of performance, the LG KG290 has 5GB of RAM and 5MB of storage, whereas the Z558 significantly outperforms it with 18GB of RAM and 18MB of storage.
- Both devices have a 1.3 MP rear camera without OIS, but the Z558 supports QCIF video recording, while the KG290 does not specify video capabilities.
- The KG290 is powered by an 820 mAh battery, while the Z558's battery capacity is unspecified.
- Build-wise, the KG290 is slightly lighter at 90g compared to the Z558's 93g, with the latter being bulkier at 20.5 mm thick versus the KG290's 17.7 mm.
- Both devices lack advanced software features and do not support wireless charging or headphone jacks.
Side-by-side Specification Comparison
LG KG290
Sony Ericsson Z558
General
Release Date
2008
2006
Announced
2007
2006
Description
N/A
Z558i 900/1800/1900 for Europe, Middle East, Africa, Asia Pacific.Z558c 900/1800/1900 for Mainland China.
Display
Size
1.77"
1.9"
Type
TFT, 256K colors
TFT resistive touchscreen, 256K colors
Resolution
128 x 160 pixels (~116 ppi density)
176 x 220 pixels (~148 ppi density)
PPI
128
176
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
5MB
18MB
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
Memory Stick Micro (M2), up to 2 GB
Camera
Main Camera
1.3 MP
1.3 MP
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
QCIF
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
820 mAh
N/A
Battery Details
Removable Li-Ion 820 mAh battery
Removable Li-Ion battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
92 x 46 x 17.7 mm (3.62 x 1.81 x 0.70 in)
87.5 x 45.5 x 20.5 mm (3.44 x 1.79 x 0.81 in)
Weight
90 g
93 g
Materials
N/A
N/A
Colors
Black, Gray
Sterling Black, Pearl Copper
Foldable
✗
✗
SAR
0.43 W/kg (head) 0.36 W/kg (body)
N/A
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
Proprietary
2.0
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

