Home/Bird/Bird M11 vs Siemens AF51
Bird M11

Bird M11

#11267
Siemens AF51

Siemens AF51

#11624

Category Breakdown

Bird M11
Siemens AF51
Performance
22.35.3
Camera
2.52.5
Display
22.823.3
Battery
1.64.0
Build
0.20.2
Connectivity
1.81.0
Audio
0.08.9
Overall
6.44.8

Summary

  • The Bird M11 features a slightly larger display with a resolution of 128 x 128 pixels and a PPI of 128, while the Siemens AF51 offers a marginally higher resolution of 130 x 130 pixels and a PPI of 130.
  • In terms of performance, the Bird M11 has 32MB of storage and 32GB of RAM, whereas the Siemens AF51 has no RAM specification.
  • Both devices lack camera capabilities, with no rear or selfie cameras.
  • The Bird M11 has a larger form factor at 108 x 44 x 15.2 mm and weighs 88g, compared to the Siemens AF51's smaller dimensions of 79 x 41 x 19.6 mm and weight of 80g.
  • The Siemens AF51 has a battery capacity of 620mAh, while the Bird M11 does not specify a battery capacity.
  • Both devices lack advanced connectivity options and run unspecified software.

Side-by-side Specification Comparison

Bird M11
Siemens AF51

General

Release Date

2006
2005

Announced

2006
2005

Description

N/A
N/A

Display

Size

N/A
N/A

Type

CSTN, 65K colors
CSTN, 65K colors

Resolution

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

PPI

128
130

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

32MB
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
620 mAh

Battery Details

Removable Li-Ion battery
Removable Li-Ion 620 mAh battery

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

108 x 44 x 15.2 mm (4.25 x 1.73 x 0.60 in)
79 x 41 x 19.6 mm (3.11 x 1.61 x 0.77 in)

Weight

88 g
80 g

Materials

N/A
N/A

Colors

N/A
Panther Black, Dolphin 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

Proprietary
N/A

IR Blaster

Headphone Jack

Radio

Positioning

No
No

Audio

Stereo Speakers

Loudspeaker

No
Yes

Audio Jack

No
No

Software & Security

Operating System

N/A
N/A

Fingerprint

Face Unlock

Sensors

N/A
N/A