Ericsson T28s
#12200
Siemens SL55
#11914Category Breakdown
Ericsson T28s
Siemens SL55
Performance
5.38.6
Camera
2.52.5
Display
5.89.0
Battery
3.43.4
Build
0.20.2
Connectivity
1.01.0
Audio
0.00.0
Overall
2.02.9
Summary
- The Ericsson T28s features a compact build with dimensions of 97 x 50 x 15 mm and weighs 83g, while the Siemens SL55 is slightly smaller at 82 x 45 x 22 mm and lighter at 79g.
- The T28s has a monochrome graphic display with a resolution of 101 x 33 pixels, whereas the SL55 offers a CSTN display with 4096 colors and a higher resolution of 101 x 80 pixels.
- In terms of performance, the SL55 has 1.6GB of RAM and 1.6MB of storage, while the T28s lacks both RAM and storage specifications.
- Both devices have a 500mAh battery, but neither supports wireless charging.
- Both phones lack cameras, and their software experiences are minimal, with no advanced features or connectivity options such as WiFi or Bluetooth.
Side-by-side Specification Comparison
Ericsson T28s
Siemens SL55
General
Release Date
1999
2003
Announced
1999
2003
Description
N/A
N/A
Display
Size
N/A
N/A
Type
Monochrome graphic
CSTN, 4096 colors
Resolution
101 x 33 pixels, 3 x 12 chars
101 x 80 pixels
PPI
101
101
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
N/A
1.6MB
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
N/A
N/A
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
N/A
N/A
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
500 mAh
500 mAh
Battery Details
Removable Li-Po 500 mAh battery
Removable Li-Po 500 mAh battery (EBA-520)
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
97 x 50 x 15 mm (3.82 x 1.97 x 0.59 in)
82 x 45 x 22 mm, 63 cc (3.23 x 1.77 x 0.87 in)
Weight
83 g
79 g
Materials
N/A
N/A
Colors
N/A
N/A
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
No
No
NFC
✗
✗
USB
N/A
N/A
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
No
No
Audio Jack
No
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A