Compare HTC – S720 vs HTC – S420 Specifications

S720 S420
Brand
HTC HTC
Model
S720 S420
Released
2007 Jun 16 Cancelled
Hardware Designer
HTC HTC
Manufacturer
HTC HTC
Codename
HTC Libra 100 HTC Erato
OEM ID
LIBR100 N/A
Device Category
Smartphone Smartphone
S720 S420
Width
51 mm
2.01 inch 		97.5 mm
3.84 inch
Height
103.5 mm
4.07 inch 		52 mm
2.05 inch
Depth
19.2 mm
0.76 inches 		16.8 mm
0.66 inches
Bounding Volume
101.3 ccm 85.2 ccm
Mass
138 g
4.87 ounces 		99 g
3.49 ounces
S720 S420
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
S720 S420
CPU Clock
400 MHz 400 MHz
CPU
Qualcomm MSM7500
2,006
32 bit
single-core
16 Kbyte I-Cache
16 Kbyte D-Cache
90 nm 		Qualcomm MSM7200
2,006
32 bit
single-core
90 nm
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 S420
Display Diagonal
61 mm
2.4 inch 		61 mm
2.4 inch
Resolution
240x320
76800 pixels 		240x320
76800 pixels
Display Width
36.6 mm
1.44 inch 		36.6 mm
1.44 inch
Display Height
48.8 mm
1.92 inch 		48.8 mm
1.92 inch
Horizontal Full Bezel Width
14.4 mm 60.9 mm
Display Area
1786.1 square millimeter 1786.1 square millimeter
Display Area Utilization
33.8% 35.2%
Pixel Size
0.1525 mm/pixel 0.1525 mm/pixel
Pixel Density
167 PPI 167 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 S420
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 44100 Hz
Loudspeaker(s):
mono mono
Audio Output:
Proprietary Proprietary
S720 S420
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)
UMTS 2100MHz (Band I, IMT)
UMTS 1900MHz (Band II, PCS)
UMTS 850MHz (Band V, CLR) 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)
UMTS 384 kbps (W-CDMA)
HSDPA (Cat. unspecified) data links
Cellular Antenna
Internal antenna Internal antenna
Call Alert Sound
128-chord melody 72-chord melody
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone 		Voice transmission
Voice speaker
Vibrating Alert
Cellular Controller
Qualcomm MSM7500 (QDSP4000, QDSP5000) Qualcomm MSM7200 (QDSP4000, QDSP5000)
Sec. Supported Cellular Networks:
No No
S720 S420
Keyboard
Slide-out QWERTY Built-in numeric
Keyboard Backlight
Aut. keyboard backlight (upon press of key) Aut. keyboard backlight (upon press of key)
Number of keys
37 12
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 S420
Expansion Interfaces
Secure Digital Input/Output interface
TransFlash
microSD
microSDHC 		Secure Digital Input/Output interface
TransFlash
microSD
microSDHC
USB
USB 2.0
USB Full-Speed (12 Mbps) 		USB 1.1
USB Full-Speed (12 Mbps)
USB Services
USB charging N/A
USB Connector
USB Series Mini-B (mini-USB) Proprietary
Bluetooth
Bluetooth 2.0
Internal antenna 		Bluetooth 2.0
Internal antenna
Bluetooth profiles
A2DP
AVRCP 		N/A
Wireless LAN
No No
S720 S420
FM Radio Receiver
No FM radio (88-108 MHz), Proprietary headset as antenna
S720 S420
Supported GPS protocol(s)
No GPS (NMEA 0183)
S720 S420
Camera Placement
Rear Rear
Camera Image Sensor
CMOS CMOS
Camera Resolution
1600x1200 pixel 1600x1200 pixel
Number of effective pixels
1.9 MP camera 1.9 MP camera
Zoom
1.0 x optical zoom 1.0 x optical zoom
Focus
No No
Recordable Image Formats
BMP
JPG 		N/A
Video Recording
320x240 pixel 320x240 pixel
Recordable Video Formats
3GP
MPEG4
MJPG 		3GP
MPEG4
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 S420
Secondary Camera Sensor
No CMOS
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
S720 S420
Built-in accelerometer
No No
S720 S420
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
S720 S420
Battery
Lithium-ion polymer (LiPo)
removable
1-cell 		Lithium-ion
removable
1-cell
Nominal Cell Capacity (1st cell)
1050 mAh cell 960 mAh cell
Nominal Battery Capacity
1050 mAh battery N/A
Estimated Battery Life
12.0 hours N/A
Estimated Average Current
88 mA N/A
S720 S420

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