Category Breakdown
Celkon C444
Siemens SF65
Performance
5.320.3
Camera
39.60.0
Display
13.519.5
Battery
10.34.3
Build
0.20.2
Connectivity
9.41.8
Audio
8.98.9
Overall
10.15.9
Summary
- The Celkon C444, released in 2011, features a compact build with dimensions of 108 x 46 x 14.3 mm and a weight of 67g, while the Siemens SF65, from 2004, is bulkier at 91 x 44 x 23 mm and weighs 97g.
- Both devices have a TFT display with a resolution of 128 x 160 pixels and a pixel density of 128 ppi.
- In terms of performance, the Celkon C444 lacks RAM, whereas the Siemens SF65 has 20MB of RAM, providing a slight edge in multitasking capabilities.
- Both phones have a 1.3 MP rear camera, but the Celkon C444 supports video recording, while the Siemens SF65 does not.
- The C444 is equipped with a 1000mAh battery, outperforming the SF65's 660mAh battery.
- The Celkon runs on a more modern software experience, while the Siemens lacks a headphone jack and Bluetooth connectivity.
Side-by-side Specification Comparison
Celkon C444
Siemens SF65
General
Release Date
2011
2004
Announced
2011
2004
Description
N/A
N/A
Display
Size
1.8"
N/A
Type
TFT
TFT, 65K colors
Resolution
128 x 160 pixels (~114 ppi density)
128 x 160 pixels
PPI
128
128
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
20MB
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
No
Camera
Main Camera
1.3 MP
1.3 MP
Main Camera Features
N/A
LED flash
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
No
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1000 mAh
660 mAh
Battery Details
Removable Li-Ion 1000 mAh battery
Removable Li-Ion 660 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
108 x 46 x 14.3 mm (4.25 x 1.81 x 0.56 in)
91 x 44 x 23 mm, 86 cc (3.58 x 1.73 x 0.91 in)
Weight
67 g
97 g
Materials
N/A
N/A
Colors
Black/Silver
2 - Polar white, Onyx black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
2.0
No
NFC
✗
✗
USB
microUSB
Proprietary
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

