Siemens C25
#12005
Siemens S55
#11336Category Breakdown
Siemens C25
Siemens S55
Performance
5.336.9
Camera
2.52.5
Display
8.06.5
Battery
4.24.6
Build
0.20.2
Connectivity
1.02.1
Audio
0.00.0
Overall
2.46.1
Summary
- The Siemens C25, released in 1999, features a basic alphanumeric display with a low resolution of 3 x 12 characters, while the Siemens S55, launched in 2002, offers a CSTN display with 256 colors and a resolution of 101 x 80 pixels, providing a clearer visual experience.
- In terms of performance, the C25 lacks RAM and storage, whereas the S55 includes 400 MB of RAM and 400 KB of storage, enhancing its functionality.
- Both devices have no rear or selfie cameras, but the S55's improved battery capacity of 700 mAh compared to the C25's 650 mAh suggests slightly better longevity.
- The C25 is bulkier at 135g and larger dimensions, while the S55 is lighter at 85g and more compact.
- Both phones lack advanced software features, but the S55 includes Bluetooth 1.1, absent in the C25, indicating a slight edge in connectivity options.
Side-by-side Specification Comparison
Siemens C25
Siemens S55
General
Release Date
1999
2002
Announced
1999
2002
Description
N/A
N/A
Display
Size
N/A
N/A
Type
Alphanumeric
CSTN, 256 colors
Resolution
3 x 12 chars
101 x 80 pixels, 7 lines
PPI
3
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
400 KB
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
700 mAh
Battery Details
Removable NiMH 650 mAh battery
Removable Li-Ion 700 mAh battery (EBA-510)
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)
101 x 42 x 18 mm, 69 cc (3.98 x 1.65 x 0.71 in)
Weight
135 g
85 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
1.1
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