Siemens A51
#12126
Siemens Xelibri 4
#12147Category Breakdown
Siemens A51
Siemens Xelibri 4
Performance
5.35.3
Camera
2.52.5
Display
5.85.8
Battery
4.64.2
Build
0.20.2
Connectivity
1.01.0
Audio
0.00.0
Overall
2.12.1
Summary
- The Siemens A51 and Siemens Xelibri 4 both feature monochrome graphic displays with similar resolutions, but the A51 has a slightly larger footprint and a marginally higher battery capacity at 700mAh compared to the Xelibri 4's 650mAh.
- In terms of build quality, the A51 is heavier and bulkier, while the Xelibri 4 is lighter and more compact.
- Both devices lack advanced performance specifications, cameras, and modern connectivity options, resulting in a basic software experience.
- Overall, the A51 offers a bit more battery life and a sturdier build, while the Xelibri 4 is more portable.
Side-by-side Specification Comparison
Siemens A51
Siemens Xelibri 4
General
Release Date
2004
2003
Announced
2004
2003
Description
N/A
N/A
Display
Size
N/A
N/A
Type
Monochrome graphic
Monochrome graphic
Resolution
101 x 64 pixels, 5 lines
101 x 65 pixels, 5 lines
PPI
101
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
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 Li-Ion 700 mAh battery
Removable Li-Ion 650 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
103 x 46 x 21 mm, 75 cc (4.06 x 1.81 x 0.83 in)
99 x 53 x 19 mm, 70 cc (3.90 x 2.09 x 0.75 in)
Weight
84 g
71 g
Materials
N/A
N/A
Colors
Urban Grey
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