Ericsson T20s
#12240
Siemens A51
#12126Category Breakdown
Ericsson T20s
Siemens A51
Performance
5.35.3
Camera
2.52.5
Display
5.85.8
Battery
1.64.6
Build
0.20.2
Connectivity
1.01.0
Audio
0.00.0
Overall
1.92.1
Summary
- The Ericsson T20s and Siemens A51 both feature monochrome graphic displays, but the A51 offers a higher resolution of 101 x 64 pixels compared to the T20s' 101 x 33 pixels, providing a clearer visual experience.
- In terms of build quality, the T20s is larger and heavier at 128g, while the A51 is more compact and lighter at 84g, which may enhance portability.
- Both devices lack advanced performance specifications and cameras, as they feature no rear or selfie cameras.
- The A51 has a battery capacity of 700mAh, which is significant compared to the unspecified battery capacity of the T20s, suggesting potentially better longevity.
- Both phones do not support modern connectivity options and lack advanced software features, resulting in a basic user experience.
Side-by-side Specification Comparison
Ericsson T20s
Siemens A51
General
Release Date
2000
2004
Announced
2000
2004
Description
N/A
N/A
Display
Size
N/A
N/A
Type
Monochrome graphic
Monochrome graphic
Resolution
101 x 33 pixels, 3 x 12 chars
101 x 64 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
N/A
700 mAh
Battery Details
Removable NiMH battery
Removable Li-Ion 700 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
101 x 54 x 28 mm (3.98 x 2.13 x 1.10 in)
103 x 46 x 21 mm, 75 cc (4.06 x 1.81 x 0.83 in)
Weight
128 g
84 g
Materials
N/A
N/A
Colors
4 - Blue Whirl, Lime Twist, Silver Weave, Beige Harmony
Urban Grey
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