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Siemens AL21

Siemens AL21

#11636
Telit T91

Telit T91

#11518

Category Breakdown

Siemens AL21
Telit T91
Performance
8.618.2
Camera
2.50.0
Display
20.019.5
Battery
3.85.0
Build
0.20.2
Connectivity
1.81.0
Audio
8.90.0
Overall
4.75.3

Summary

  • The Siemens AL21 and Telit T91 both feature a TFT display with 65K colors, but the AL21 has a slightly higher resolution of 130 x 130 pixels compared to the T91's 128 x 160 pixels.
  • In terms of performance, the Telit T91 is equipped with 16GB of RAM, significantly more than the AL21's 1.5GB, which may enhance its overall functionality.
  • Both devices lack rear and selfie cameras, but the T91 includes a VGA rear camera, while the AL21 does not have any camera capabilities.
  • The Telit T91 also has a larger battery capacity at 720mAh compared to the AL21's 600mAh, potentially offering longer usage time.
  • Build-wise, the AL21 is lighter at 78g versus the T91's 85g, but the T91 is slightly more compact in dimensions.
  • Both devices run on basic software experiences without advanced features or connectivity options.

Side-by-side Specification Comparison

Siemens AL21
Telit T91

General

Release Date

2005
2004

Announced

2005
2004

Description

N/A
N/A

Display

Size

N/A
N/A

Type

TFT, 65K colors
TFT, 65K colors

Resolution

130 x 130 pixels, 1:1 ratio
128 x 160 pixels

PPI

130
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

1.5MB
16MB

Expandable Storage

✗
✗

Card Slot

No
No

Camera

Main Camera

N/A
VGA

Main Camera Features

N/A
N/A

Front Camera

N/A
N/A

Front Camera Features

N/A
N/A

Video Recording

N/A
No

Selfie Video

N/A
N/A

Optical Stabilization

✗
✗

Night Mode

✗
✗

Raw Photo Support

✗
✗

Battery

Capacity

600 mAh
720 mAh

Battery Details

Removable Li-Ion 600 mAh battery
Removable Li-Ion 720 mAh battery

Charging Details

N/A
N/A

Fast Charging

✗
✗

Wireless Charging

✗
✗

Build & Safety

Dimensions

86.8 x 45.8 x 19.2 mm (3.42 x 1.80 x 0.76 in)
85 x 43.5 x 21.9 mm (3.35 x 1.71 x 0.86 in)

Weight

78 g
85 g

Materials

N/A
N/A

Colors

Red Temptation, Black Magic
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

Proprietary
N/A

IR Blaster

✗
✗

Headphone Jack

✗
✗

Radio

✗
✗

Positioning

No
No

Audio

Stereo Speakers

✗
✗

Loudspeaker

Yes
No

Audio Jack

No
No

Software & Security

Operating System

N/A
N/A

Fingerprint

✗
✗

Face Unlock

✗
✗

Sensors

N/A
N/A