Siemens C25
#12005
Siemens C28
#12005Category Breakdown
Siemens C25
Siemens C28
Performance
5.35.3
Camera
2.52.5
Display
8.08.0
Battery
4.24.2
Build
0.20.2
Connectivity
1.01.0
Audio
0.00.0
Overall
2.42.4
Summary
- The Siemens C25 and C28 share similar build quality, dimensions, and weight, both measuring 117 x 47 x 27 mm and weighing 135g.
- Their displays are identical, featuring an alphanumeric type with a resolution of 3 x 12 characters and a PPI of 3.0.
- Performance-wise, both devices lack RAM and storage specifications, resulting in comparable capabilities.
- Neither phone includes a camera, with both offering 0 MP for rear and selfie options.
- Battery capacity is the same at 650 mAh, with no fast charging or wireless charging features.
- The software experience is also alike, as both models do not provide an operating system or advanced audio features.
Side-by-side Specification Comparison
Siemens C25
Siemens C28
General
Release Date
1999
2000
Announced
1999
2000
Description
N/A
N/A
Display
Size
N/A
N/A
Type
Alphanumeric
Alphanumeric
Resolution
3 x 12 chars
3 x 12 chars
PPI
3
3
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
650 mAh
650 mAh
Battery Details
Removable NiMH 650 mAh battery
Removable NiMH 650 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
117 x 47 x 27 mm, 120 cc (4.61 x 1.85 x 1.06 in)
117 x 47 x 27 mm, 120 cc (4.61 x 1.85 x 1.06 in)
Weight
135 g
135 g
Materials
N/A
N/A
Colors
5 - Classic Green, Blue, Anthracite, Bright Blue, Yellow
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