Siemens CX75 vs Siemens A31 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Resolution:

176 x 132 pixels
128 x 128 pixels

Technology:

TFT
STN

Colors:

262 144
65 536

Hardware

Internal storage:

0.014GB
0.0015GB

Storage expansion:

RS-MMC

Battery

Capacity:

750 mAh
820 mAh

Type:

Li - Ion, User replaceable
Li - Ion, User replaceable

Camera

Rear:

Single camera

Main camera:

1.3 MP

Video recording:

Yes

Design

Dimensions:

4.33 x 1.88 x 0.74 inches (110 x 47.7 x 18.9 mm)
4.01 x 1.81 x 0.69 inches (102 x 46 x 18 mm)

Weight:

3.46 oz (98.0 g)
3.00 oz (85.0 g)

Features:

Soft keys

Cellular

Connectivity & Features

USB:

Yes

External antenna:

Yes

Other:

Computer sync, Infrared, SyncML

Phone features

Notifications:

Music ringtones (MP3), Vibration
Polyphonic ringtones (32 voices), Vibration, Speakerphone

Other features:

Push-to-Talk

Regulatory Approval

FCC approval:

Date approved:

Jun 10, 2005
Mar 15, 2006

FCC ID value:

PWX-CX75
PWX-A31A

Measured SAR:

Head:

0.78 W/kg
0.44 W/kg

Measured in:

1900 MHz
1900 MHz

Body:

0.18 W/kg
0.95 W/kg

Measured in:

1900 MHz
1900 MHz

Availability

Officially announced:

Mar 09, 2005
Nov 24, 2005
FCC OKs Cingular\'s purchase of AT&T Wireless