Category Breakdown
Ericsson T28s
Siemens A75
Performance
5.35.3
Camera
2.52.5
Display
5.89.0
Battery
3.44.2
Build
0.20.2
Connectivity
1.01.0
Audio
0.08.9
Overall
2.02.9
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 A75, launched in 2005, is slightly larger at 101 x 44 x 20 mm and lighter at 78g.
- The T28s has a monochrome graphic display with a resolution of 101 x 33 pixels, whereas the A75 offers a CSTN display with 4096 colors and a higher resolution of 101 x 80 pixels.
- Both phones lack advanced performance specifications, with no RAM or storage details provided.
- Neither device includes a camera, and both have limited battery capacities, with the T28s at 500mAh and the A75 at 650mAh.
- In terms of software experience, both phones do not support modern connectivity options and lack features like stereo speakers or a headphone jack.
Side-by-side Specification Comparison
Ericsson T28s
Siemens A75
General
Release Date
1999
2005
Announced
1999
2005
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
N/A
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
650 mAh
Battery Details
Removable Li-Po 500 mAh battery
Removable Li-Ion 650 mAh battery
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 44 x 20 mm (3.98 x 1.73 x 0.79 in)
Weight
83 g
78 g
Materials
N/A
N/A
Colors
N/A
2 - Atlantic Blue, Polar Silver
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

