Palm Centro vs Palm Centro CDMA
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| Design | |||
|---|---|---|---|
| Device type | Smart phone | Smart phone | |
| OS | Palm OS (5.4 (Garnet)) | Palm OS (5.4 (Garnet)) | |
| Form factor | Candybar | Candybar | |
| Dimensions | 4.22 x 2.10 x 0.73 inches (107.2 x 53.5 x 18.6 mm) | 4.22 x 2.11 x 0.73 inches (107 x 53.5 x 18.5 mm) | |
| Weight | 4.23 oz (120 g) the average is 4.4 oz (126 g) | 4.20 oz (119 g) the average is 4.4 oz (126 g) | |
| Design features | Full keyboard, D-Pad, Stylus | Full keyboard, D-Pad, Stylus | |
| Side Keys | Left: Volume control, Other | Left: Volume control, Other |
| Display | |||
|---|---|---|---|
| Physical size | 2.2 inches | ||
| Resolution | 320 x 320 pixels | 320 x 320 pixels | |
Pixel density
Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is. | 206 ppi | ||
Technology
Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays. | TFT | TFT | |
| Colors | 65 536 | 65 536 | |
| Touchscreen | Resistive | Resistive |
| Battery | |||
|---|---|---|---|
| Talk time | 4.00 hours the average is 10 h (626 min) | 3.50 hours the average is 10 h (626 min) | |
| Stand-by time | 12.5 days (300 hours) the average is 18 days (435 h) | 12.5 days (300 hours) the average is 18 days (435 h) | |
| Capacity | 1150 mAh | 1150 mAh | |
| Type | Li - Ion | Li - Ion |
| Hardware | |||
|---|---|---|---|
Processor
Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance. | Single core, 312 MHz, Intel | ||
System memory
System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running. | 64 MB RAM / 64 MB ROM | ||
| Storage expansion | microSD | microSD |
| Camera | |||
|---|---|---|---|
| Camera | 1.3 megapixels | 1.3 megapixels | |
| Features | Digital zoom | Digital zoom | |
| Camcorder | Yes | Yes |
| Multimedia | |||
|---|---|---|---|
| Music player | |||
| Supported formats | MP3 | MP3 | |
| Streaming | Yes |
| Internet browsing | |||
|---|---|---|---|
| Browser | Blazer Web browser | Blazer 4.5 Browser |
| Technology | |||
|---|---|---|---|
CDMA
CDMA - Code Division Multiple Access. A technique of multiplexing, also called spread spectrum, in which analog signals are converted into digital form for transmission. For each communication channel, the signals are encoded in a sequence known to the transmitter and the receiver for that channel. The foremost application is digital cellular phone technology from QUALCOMM that operates in the 800MHz band and 1.9GHz PCS band. CDMA phones are noted for their excellent call quality and long battery life. | 800, 1900 MHz | ||
| GSM | 850, 900, 1800, 1900 MHz | ||
| Data | EDGE | EV-DO | |
| Global Roaming | Yes |
| Phone features | |||
|---|---|---|---|
| Phonebook | Unlimited entries, Multiple numbers per contact, Picture ID, Ring ID | Unlimited entries, Multiple numbers per contact, Picture ID, Ring ID | |
| Organizer | Calendar, Alarm, To-Do, Calculator, Notes | Calendar, Alarm, To-Do, Calculator, Notes | |
| Messaging | SMS, MMS, Predictive text input | SMS, MMS, Predictive text input | |
| IMAP, POP3, SMTP, Microsoft Exchange, Push e-mail | IMAP, POP3, SMTP | ||
| Instant Messaging | AIM, Yahoo! | AIM, Yahoo! | |
| Games | Yes |
| Connectivity | |||
|---|---|---|---|
| Bluetooth | 2.0 | 2.0 | |
| Profiles | Advanced Audio Distribution (A2DP), Audio/Video Control Transport Protocol (AVCTP), Audio/Video Distribution Transport Protocol (AVDTP), Audio/Visual Remote Control Profile (AVRCP), Dial-up networking (DUN), Generic Access (GAP), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Object Push (OPP), Serial Port (SPP) | Advanced Audio Distribution (A2DP), Audio/Video Control Transport Protocol (AVCTP), Audio/Video Distribution Transport Protocol (AVDTP), Audio/Visual Remote Control Profile (AVRCP), Dial-up networking (DUN), Generic Access (GAP), Generic Audio/Video Distribution (GAVDP), Handsfree (HFP), Headset (HSP), Object Push (OPP), Serial Port (SPP), Service Discovery Protocol (SDP) | |
| USB | Yes | Yes | |
| Connector | Proprietary | Proprietary | |
| Headphones connector | 2.5mm | 2.5mm | |
| Charging connector | Proprietary | Proprietary | |
| Other | Computer sync, Infrared | Computer sync, Infrared |
| Other features | |||
|---|---|---|---|
| Notifications | Music ringtones (MP3), Polyphonic ringtones, Vibration, Phone profiles, Flight mode, Silent mode, Speakerphone | Music ringtones (MP3), Polyphonic ringtones, Vibration, Phone profiles, Flight mode, Silent mode, Speakerphone | |
| Hearing aid compatibility | M4, T4 | ||
| Other | Voice dialing, Voice commands, Voice recording, Push-to-Talk | Voice dialing, Voice commands, Voice recording, TTY/TDD |
| Regulatory Approval | |||
|---|---|---|---|
FCC approval
FCC approval - The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Every wireless phone device that that is sold in the U.S. has to be tested and approved for sale by the FCC. | |||
| Date approved
Date approved - Shows the date when the particular phone is approved by the Federal Communications Commission | 20 Feb 2008 | 09 Oct 2007 | |
| FCC ID value: O8F-728 link | FCC ID value: O8F-747 link | ||
FCC measured SAR
FCC measured SAR - The exposure standard for mobile devices employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit stated in the international guidelines is 2.0 W/ kg*. Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at the highest certified power level, the actual SAR of the device while operating can be well below the maximum value. | |||
| Head | 0.19 W/kg | 1.35 W/kg | |
| Measured in | 1900 MHz | 1900 MHz | |
| Body | 0.30 W/kg | 0.42 W/kg | |
| Measured in | 1900 MHz | 1900 MHz |
| Availability | |||
|---|---|---|---|
| Officially announced | 19 Feb 2008 | 27 Sep 2007 |
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