| S720 | S621 |
|---|---|
| Brand | |
| HTC | HTC |
| Model | |
| S720 | S621 |
| Released | |
| 2007 Jun 16 | 2007 Jun |
| Hardware Designer | |
| HTC | HTC |
| Manufacturer | |
| HTC | HTC |
| Codename | |
| HTC Libra 100 | HTC Excalibur |
| OEM ID | |
| LIBR100 | N/A |
| Device Category | |
| Smartphone | Smartphone |
| S720 | S621 |
|---|---|
| Width | |
|
51 mm 2.01 inch |
62.5 mm 2.46 inch |
| Height | |
|
103.5 mm 4.07 inch |
111.5 mm 4.39 inch |
| Depth | |
|
19.2 mm 0.76 inches |
12.8 mm 0.5 inches |
| Bounding Volume | |
| 101.3 ccm | 89.2 ccm |
| Mass | |
|
138 g 4.87 ounces |
130 g 4.59 ounces |
| S720 | S621 |
|---|---|
| Platform | |
| Windows (mobile-class) | Windows (mobile-class) |
| Operating System | |
| Microsoft Windows Mobile 6 Standard (Crossbow) | Microsoft Windows Mobile 6 Standard (Crossbow) |
| Operating System Kernel Version | |
| 5 | 5.2.1 |
| S720 | S621 |
|---|---|
| CPU Clock | |
| 400 MHz | 201 MHz |
| CPU | |
|
Qualcomm MSM7500 2,006 32 bit single-core 16 Kbyte I-Cache 16 Kbyte D-Cache 90 nm |
Texas Instruments OMAP 850 2,005 32 bit single-core 16 Kbyte I-Cache 8 Kbyte D-Cache |
| RAM Type | |
| SDRAM | SDRAM |
| RAM Capacity | |
| 64 MiB RAM | 64 MiB RAM |
| Non-volatile Memory Type | |
| Flash EEPROM | Flash EEPROM |
| Non-volatile Memory Interface | |
| Yes | Yes |
| Non-volatile Memory Capacity | |
|
256 MiB non-volatile 162 MiB free user storage |
N/A |
| S720 | S621 |
|---|---|
| Display Diagonal | |
|
61 mm 2.4 inch |
62.2 mm 2.4 inch |
| Resolution | |
|
240x320 76800 pixels |
320x240 76800 pixels |
| Display Width | |
|
36.6 mm 1.44 inch |
49.76 mm 1.96 inch |
| Display Height | |
|
48.8 mm 1.92 inch |
37.32 mm 1.47 inch |
| Horizontal Full Bezel Width | |
| 14.4 mm | 12.74 mm |
| Display Area | |
| 1786.1 square millimeter | 1857 square millimeter |
| Display Area Utilization | |
| 33.8% | 26.6% |
| Pixel Size | |
| 0.1525 mm/pixel | 0.1555 mm/pixel |
| Pixel Density | |
| 167 PPI | 163 PPI |
| Display Type | |
| Color TN-TFT LCD display | Color TN-TFT LCD display |
| Display Color Depth | |
| 16 bit/pixel | 16 bit/pixel |
| Number of Display Scales | |
| 65,536 | 65536 |
| Display Illumination | |
| Yes | Yes |
| Display Light Reflection Mode | |
| transflective | transflective |
| Display Subpixel Scheme | |
| RGB Matrix (3 subpixels) | RGB Matrix (3 subpixels) |
| Scratch Resistant Screen | |
| No | No |
| Graphical Controller | |
| N/A | N/A |
| A/V Out | |
| No | No |
| S720 | S621 |
|---|---|
| Audio Channel(s) | |
| stereo | stereo |
| A/D Converter Nominal Resolution | |
| 16 bit quantization | 16 bit quantization |
| A/D Sampling Frequency | |
| 44100 Hz | 44100 Hz |
| Microphone(s) | |
| mono | mono |
| D/A Converter Nominal Resolution | |
| 16 bit quantization | 16 bit quantization |
| D/A Holding Frequency | |
| 44100 Hz | N/A |
| Loudspeaker(s): | |
| mono | mono |
| Audio Output: | |
| Proprietary | Proprietary |
| S720 | S621 |
|---|---|
| Supported Cellular Bands | |
|
CDMA 800MHz (BC0, 850) CDMA 1700/2100MHz (BC15, AWS) bands |
GSM 850MHz (B5) GSM 900MHz (B8) GSM 1800MHz (B3) GSM 1900MHz (PCS, B2) bands |
| Supported Cellular Data Links | |
|
cdmaOne (IS-95) CDMA2000 1xRTT (IS-2000) CDMA2000 1xEV-DO Rel. 0 CDMA2000 1xEV-DO Revision A data links |
CSD 9.6 kbps GPRS (Class unspecified) GPRS Class 10 EDGE (Class unspecified) data links |
| Cellular Antenna | |
| Internal antenna | Internal antenna |
| Call Alert Sound | |
| 128-chord melody | 40-chord melody |
| Complementary Phone Services | |
|
Voice transmission Voice speaker Vibrating Alert Speakerphone |
Voice transmission Voice speaker Vibrating Alert Speakerphone |
| Cellular Controller | |
| Qualcomm MSM7500 (QDSP4000, QDSP5000) | TI TMS320C54x |
| Sec. Supported Cellular Networks: | |
| No | No |
| S720 | S621 |
|---|---|
| Keyboard | |
| Slide-out QWERTY | Built-in QWERTY |
| Keyboard Backlight | |
| Aut. keyboard backlight (upon press of key) | Aut. keyboard backlight (upon press of key) |
| Number of keys | |
| 37 | 37 |
| Secondary Keyboard | |
| Built-in numeric | N/A |
| Secondary Keyboard Backlight: | |
| Aut. keyboard backlight (upon press of key) | N/A |
| Number of secondary keys: | |
| 18 | N/A |
| Directional Pad | |
| Four-way (with action button)-way | Four-way (with action button)-way |
| S720 | S621 |
|---|---|
| Expansion Interfaces | |
|
Secure Digital Input/Output interface TransFlash microSD microSDHC |
Secure Digital Input/Output interface TransFlash microSD |
| USB | |
|
USB 2.0 USB Full-Speed (12 Mbps) |
USB 1.1 USB Full-Speed (12 Mbps) |
| USB Services | |
| USB charging | USB charging |
| USB Connector | |
| USB Series Mini-B (mini-USB) | USB Series Mini-B (mini-USB) |
| Bluetooth | |
|
Bluetooth 2.0 Internal antenna |
Bluetooth 2.0 Internal antenna |
| Bluetooth profiles | |
|
A2DP AVRCP |
N/A |
| Wireless LAN | |
| No | IEEE 802.11b, IEEE 802.11g, Internal antenna |
| S720 | S621 |
|---|---|
| Camera Placement | |
| Rear | Rear |
| Camera Image Sensor | |
| CMOS | CMOS |
| Camera Resolution | |
| 1600x1200 pixel | 1280x1024 pixel |
| Number of effective pixels | |
| 1.9 MP camera | 1.3 MP camera |
| Zoom | |
| 1.0 x optical zoom | 1.0 x optical zoom |
| Focus | |
| No | No |
| Recordable Image Formats | |
|
BMP JPG |
BMP JPG |
| Video Recording | |
| 320x240 pixel | 176x144 pixel, 10 fps |
| Recordable Video Formats | |
|
3GP MPEG4 MJPG |
3GP MPEG4 MJPG |
| Flash | |
| No | No |
| Aux. Camera Image Sensor | |
| No | No |
| Aux. 2 Camera Image Sensor | |
| No | No |
| Aux. 3 Camera Image Sensor | |
| No | No |
| Aux. 4 Camera Image Sensor | |
| No | No |
| Aux. 4 Camera Focus | |
| No | No |
| S720 | S621 |
|---|---|
| Secondary Camera Sensor | |
| No | No |
| Sec. Aux. Cam. Image Sensor | |
| No | No |
| Sec. Aux. 2 Cam. Image Sensor | |
| No | No |
| S720 | S621 |
|---|---|
| Battery | |
|
Lithium-ion polymer (LiPo) removable 1-cell |
Lithium-ion removable 1-cell |
| Nominal Cell Capacity (1st cell) | |
| 1050 mAh cell | 970 mAh cell |
| Nominal Battery Capacity | |
| 1050 mAh battery | 970 mAh battery |
| Estimated Battery Life | |
| 12.0 hours | 11.0 hours |
| Estimated Average Current | |
| 88 mA | 88 mA |