Ericsson T28s
#12200
Siemens A57
#12126Category Breakdown
Ericsson T28s
Siemens A57
Performance
5.35.3
Camera
2.52.5
Display
5.85.8
Battery
3.44.6
Build
0.20.2
Connectivity
1.01.0
Audio
0.00.0
Overall
2.02.1
Summary
- The Ericsson T28s and Siemens A57 both feature monochrome graphic displays, but the A57 offers a higher resolution of 101 x 64 pixels compared to the T28s' 101 x 33 pixels, allowing for more text lines.
- In terms of build quality, the T28s is slightly lighter at 83g and has a slimmer profile, while the A57 is bulkier at 84g and 21.5mm thick.
- Both devices lack camera capabilities and advanced performance features, with no RAM or storage specifications provided.
- The A57 has a larger battery capacity of 700mAh versus the T28s' 500mAh, potentially offering longer usage time.
- Both phones lack modern connectivity options and run on basic software experiences typical of their release periods.
Side-by-side Specification Comparison
Ericsson T28s
Siemens A57
General
Release Date
1999
2004
Announced
1999
2004
Description
N/A
N/A
Display
Size
N/A
N/A
Type
Monochrome graphic
Monochrome graphic
Resolution
101 x 33 pixels, 3 x 12 chars
101 x 64 pixels, 5 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
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
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)
103 x 46 x 21.5 mm, 75 cc (4.06 x 1.81 x 0.85 in)
Weight
83 g
84 g
Materials
N/A
N/A
Colors
N/A
Cassis, Pebble
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