Category Breakdown
Siemens C11
Siemens C25
Performance
5.35.3
Camera
2.52.5
Display
8.08.0
Battery
4.64.2
Build
0.20.2
Connectivity
1.01.0
Audio
0.00.0
Overall
2.42.4
Summary
- The Siemens C11 and C25 both feature an alphanumeric display with the same resolution and refresh rate, but the C11 is larger and heavier at 165g compared to the C25's 135g.
- In terms of battery, the C11 has a slightly higher capacity of 700mAh versus the C25's 650mAh.
- Both devices lack a camera and advanced performance specifications, as they have no RAM or storage capabilities.
- The C25 offers a wider range of color options with five choices compared to the C11's three.
- Overall, the C11 is more robust in battery life, while the C25 is more compact and lighter.
- Both devices share a similar software experience with no advanced features.
Side-by-side Specification Comparison
Siemens C11
Siemens C25
General
Release Date
1998
1999
Announced
1998
1999
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
700 mAh
650 mAh
Battery Details
Removable NiMH 700 mAh battery
Removable NiMH 650 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
137 x 55 x 22 mm, 149 cc (5.39 x 2.17 x 0.87 in)
117 x 47 x 27 mm, 120 cc (4.61 x 1.85 x 1.06 in)
Weight
165 g
135 g
Materials
N/A
N/A
Colors
3 - blue, red, grey
5 - Classic Green, Blue, Anthracite, Bright Blue, Yellow
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

