Siemens AF51
#11406
Siemens AL21
#11407Category Breakdown
Siemens AF51
Siemens AL21
Performance
54.354.3
Camera
0.00.0
Display
48.448.4
Battery
43.543.5
Build
70.870.8
Overall
39.639.6
Summary
- The Siemens AF51 features a CSTN display with a resolution of 130 x 130 pixels, while the Siemens AL21 has a TFT display of the same resolution, offering potentially better color reproduction.
- In terms of performance, the AF51 lacks RAM and storage, whereas the AL21 includes 1.5GB of RAM and 1.5MB of storage, enhancing its capability for basic tasks.
- Both devices have a rear camera with 0 MP and no video recording features.
- The AF51 has a slightly larger battery capacity at 620 mAh compared to the AL21's 600 mAh, but both lack fast charging and wireless capabilities.
- Build-wise, the AF51 is slightly smaller and heavier than the AL21, which may affect portability.
- Both phones run on basic software without advanced features, and neither includes stereo speakers or a headphone jack.
Side-by-side Specification Comparison
Siemens AF51
Siemens AL21
General
Release Date
2005
2005
Announced
2005
2005
Description
N/A
N/A
Display
Size
N/A
N/A
Type
CSTN, 65K colors
TFT, 65K colors
Resolution
130 x 130 pixels, 1:1 ratio
130 x 130 pixels, 1:1 ratio
PPI
130
130
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
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
1.5MB
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
N/A
N/A
Main Camera Details
N/A
N/A
Front Camera
N/A
N/A
Front Camera Details
N/A
N/A
Video Recording
N/A
N/A
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
620 mAh
600 mAh
Battery Details
Removable Li-Ion 620 mAh battery
Removable Li-Ion 600 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
79 x 41 x 19.6 mm (3.11 x 1.61 x 0.77 in)
86.8 x 45.8 x 19.2 mm (3.42 x 1.80 x 0.76 in)
Weight
80 g
78 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Panther Black, Dolphin Grey
Red Temptation, Black Magic
Foldable
✗
✗
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
Proprietary
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Software
Operating System
N/A
N/A
OS Version
N/A
N/A
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
No