Ericsson T28s
#12200
Siemens M55
#11876Category Breakdown
Ericsson T28s
Siemens M55
Performance
5.38.7
Camera
2.52.5
Display
5.89.0
Battery
3.44.6
Build
0.20.2
Connectivity
1.01.0
Audio
0.08.9
Overall
2.03.3
Summary
- The Ericsson T28s, released in 1999, features a compact build with dimensions of 97 x 50 x 15 mm and weighs 83g, while the Siemens M55, launched in 2003, has slightly larger dimensions of 101 x 46 x 21 mm, also weighing 83g.
- The T28s has a monochrome graphic display with a resolution of 101 x 33 pixels, whereas the M55 offers a CSTN display with 4096 colors and a higher resolution of 101 x 80 pixels.
- In terms of performance, the T28s lacks RAM and storage, while the M55 includes 1.8MB of storage and 1.8GB of RAM.
- Both phones have no rear or selfie cameras and do not support video recording.
- The T28s has a 500mAh battery, while the M55 has a larger 700mAh battery, although neither supports wireless charging.
- Both devices lack advanced software features, with no stereo speakers or headphone jacks.
Side-by-side Specification Comparison
Ericsson T28s
Siemens M55
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, 7 lines
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
1.8MB
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
700 mAh
Battery Details
Removable Li-Po 500 mAh battery
Removable Li-Ion 700 mAh battery (EBA-510)
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)
101 x 46 x 21 mm (3.98 x 1.81 x 0.83 in)
Weight
83 g
83 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
Yes
Audio Jack
No
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A