Palm Zire 21 | Palm Tungsten E | |
Use the following link to refer to this comparison | ||
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Introduction |
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Released | 2003 Oct | 2003 Oct |
Hardware Designer | Palm | Palm |
Manufacturer | Palm | Palm |
General Extras | Passive stylus | Passive stylus |
Device Category | PDA | PDA |
Physical Attributes |
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Width | 74 mm | 78 mm |
Height | 112 mm | 114 mm |
Depth | 16 mm | 12 mm |
Dimensions | 2.91x4.41x0.63 inches | 3.07x4.49x0.47 inches |
Mass | 110 g | 131 g |
3.88 ounces | 4.62 ounces | |
Software Environment |
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Platform | Palm OS | Palm OS |
Operating System | PalmSource Palm OS 5.2 | PalmSource Palm OS 5.2 |
(5.2.1) | (5.2.1) | |
Application processor, Chipset |
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CPU Clock | 126 MHz | 126 MHz |
CPU | Texas Instruments OMAP 311, 2002, 32 bit, single-core, 16 Kbyte I-Cache, 8 Kbyte D-Cache | Texas Instruments OMAP 311, 2002, 32 bit, single-core, 16 Kbyte I-Cache, 8 Kbyte D-Cache |
Operative Memory |
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RAM Type | SDRAM | SDRAM |
RAM Capacity (converted) | 8 MiB RAM | 32 MiB RAM |
7.2 MiB user accessible RAM | 28.3 MiB user accessible RAM | |
Non-volatile Memory |
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Non-volatile Memory Interface | Yes | Yes |
Non-volatile Memory Capacity (converted) | 4 MiB ROM | 8 MiB ROM |
Display |
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Display Diagonal | 71 mm | 80 mm |
2.8 inch | 3.1 inch | |
Resolution | 160x160 | 320x320 |
Horizontal Full Bezel Width | 23.8 mm | 21.43 mm |
Display Area Utilization | 30.4% | 36.0% |
Pixel Density | 81 PPI | 144 PPI |
Display Type | MSTN LCD display | Color TN-TFT LCD display |
Number of Display Scales | 16 | 65536 |
Graphical Subsystem |
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Audio/Video Interfaces |
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Audio Subsystem |
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Loudspeaker(s) | mono | mono |
Audio Output | No | 3.5mm |
Cellular Phone |
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Secondary Cellular Phone |
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Control Peripherals |
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Touchscreen Type | Resistive screen | Resistive screen |
Directional Pad | 2-way | 5-way |
Communication Interfaces |
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Expansion Interfaces | No | MMC, SD, SDIO |
USB | USB 1.1 | USB 1.1 |
USB FS (12 Mbps) | USB FS (12 Mbps) | |
USB Connector | USB Mini-B (mini-USB) | USB Mini-B (mini-USB) |
IR | IrDA 1.2 | IrDA 1.2 |
115200bit/s (SIR/CIR) | 115200bit/s (SIR/CIR) | |
Multimedia Broadcast |
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Satellite Navigation |
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Primary Camera System |
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Secondary Camera System |
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Built-in Sensors |
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Ingress Protection |
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Protection from solid materials | Yes | Yes |
Protection from liquids | Yes | Yes |
Power Supply |
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Battery | Li-ion | Li-ion polymer (LiPo) |
built-in | built-in | |
1-cell | 1-cell | |
Geographical Attributes |
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Market Countries | USA | USA |
Mobile Operator | ||
Datasheet Attributes |
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Data Integrity | Final | Final |
Added | 2008-03-06 23:45 | 2008-03-07 18:35 |