Siemens A51
#11900
Siemens SL45i
#11885Category Breakdown
Siemens A51
Siemens SL45i
Performance
54.354.3
Camera
0.00.0
Display
47.147.1
Battery
43.543.5
Build
70.870.8
Overall
39.339.3
Summary
- The Siemens A51 features a slightly bulkier build compared to the SL45i, weighing 84g versus 88g and measuring 103 x 46 x 21 mm against the SL45i's 105 x 46 x 17 mm.
- Both phones have monochrome displays, but the SL45i offers a larger 1.5-inch screen with a resolution of 101 x 80 pixels, providing more lines of text compared to the A51's 101 x 64 pixels.
- In terms of performance, both devices have no RAM or storage specifications, resulting in similar performance limitations.
- Neither phone has a camera, and both lack advanced battery features, though the A51 has a larger 700mAh capacity compared to the SL45i's 540mAh.
- Software experience is minimal on both devices, with no notable features or connectivity options such as WiFi or Bluetooth.
Side-by-side Specification Comparison
Siemens A51
Siemens SL45i
General
Release Date
2004
2001
Announced
2004
2001
Description
N/A
SL45 plus Java
Display
Size
N/A
1.5"
Type
Monochrome graphic
Monochrome graphic
Resolution
101 x 64 pixels, 5 lines
101 x 80 pixels, 7 lines (~86 ppi density)
PPI
101
101
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
N/A
Expandable Storage
✗
✗
Card Slot
No
MMC, 32 MB included
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
700 mAh
540 mAh
Battery Details
Removable Li-Ion 700 mAh battery
Removable Li-Ion 540 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
103 x 46 x 21 mm, 75 cc (4.06 x 1.81 x 0.83 in)
105 x 46 x 17 mm, 69 cc (4.13 x 1.81 x 0.67 in)
Weight
84 g
88 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Urban Grey
N/A
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
N/A
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
No
No
Audio Jack
No
No