Compare HTC – S740 vs HTC – S621 Specifications

S740 S621
Brand
HTC HTC
Model
S740 S621
Released
2008 Nov 2007 Jun
Hardware Designer
HTC HTC
Manufacturer
HTC HTC
Codename
HTC Rose 100 HTC Excalibur
OEM ID
ROSE100 N/A
Device Category
Smartphone Smartphone
S740 S621
Width
43.4 mm
1.71 inch 		62.5 mm
2.46 inch
Height
116.3 mm
4.58 inch 		111.5 mm
4.39 inch
Depth
16.6 mm
0.65 inches 		12.8 mm
0.5 inches
Bounding Volume
83.8 ccm 89.2 ccm
Mass
140 g
4.94 ounces 		130 g
4.59 ounces
S740 S621
Platform
Windows (mobile-class) Windows (mobile-class)
Operating System
Microsoft Windows Mobile 6.1 Standard Microsoft Windows Mobile 6 Standard (Crossbow)
Operating System Kernel Version
5 5.2.1
S740 S621
CPU Clock
528 MHz 201 MHz
CPU
Qualcomm MSM7225
2,007
32 bit
single-core
65 nm
Qualcomm Adreno 200 enhanced GPU 		Texas Instruments OMAP 850
2,005
32 bit
single-core
16 Kbyte I-Cache
8 Kbyte D-Cache
RAM Type
SDRAM SDRAM
RAM Capacity
256 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 128 MiB non-volatile
S740 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
6.8 mm 12.74 mm
Display Area
1786.1 square millimeter 1857 square millimeter
Display Area Utilization
35.4% 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
S740 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
S740 S621
Supported Cellular Bands
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
UMTS 2100MHz (Band I, IMT)
UMTS 900MHz (Band VIII) bands 		GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2) bands
Supported Cellular Data Links
CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Class 10
EDGE (Class unspecified)
UMTS 384 kbps (W-CDMA)
HSDPA (Cat. unspecified)
HSDPA 7.2 Mbps (Cat. 8) data links 		CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Class 10
EDGE (Class unspecified) data links
SIM Card Slot
Mini-SIM (2FF) Mini-SIM (2FF)
Cellular Antenna
Internal antenna Internal antenna
Call Alert Sound
40-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 MSM7225 TI TMS320C54x
SAR (head)
0.207 W/kg
US standard (max. 1.6 W/kg @ 1g) measurement method
GSM 850MHz (B5) measurement band 		N/A
SAR (body)
0.269 W/kg
US standard (max. 1.6 W/kg @ 1g) measurement method
GSM 850MHz (B5) measurement band 		N/A
Sec. Supported Cellular Networks:
No No
S740 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
47 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
Scroll Wheel
Optical trackpad
5-way rotary scroll wheel 		N/A
S740 S621
Expansion Interfaces
Secure Digital Input/Output interface
TransFlash
microSD
microSDHC 		Secure Digital Input/Output interface
TransFlash
microSD
USB
USB 2.0
USB Hi-Speed (480 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 + Enhanced Data Rate
Internal antenna 		Bluetooth 2.0
Internal antenna
Bluetooth profiles
A2DP
AVRCP 		N/A
Wireless LAN
IEEE 802.11b
IEEE 802.11g
Internal antenna 		IEEE 802.11b
IEEE 802.11g
Internal antenna
S740 S621
FM Radio Receiver
FM radio (88-108 MHz) with RDS
Proprietary headset as antenna 		N/A
S740 S621
Supported GPS protocol(s)
GPS (NMEA 0183) No
Satellite Antenna:
Internal antenna N/A
Complementary Satellite Services
Assisted GPS
Geotagging 		N/A
Navigation Controller
Qualcomm MSM7225 gpsOne N/A
S740 S621
Camera Placement
Rear Rear
Camera Image Sensor
CMOS CMOS
Camera Resolution
2048x1536 pixel 1280x1024 pixel
Number of effective pixels
3.1 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 		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
S740 S621
Secondary Camera Sensor
No No
Secondary Recordable Image Formats
JPG N/A
Secondary Recordable Video Formats
3GP
MPEG4 		N/A
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
S740 S621
Built-in accelerometer
No No
S740 S621
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
S740 S621
Battery
Lithium-ion polymer (LiPo)
removable
1-cell 		Lithium-ion
removable
1-cell
Nominal Cell Capacity (1st cell)
1000 mAh cell 970 mAh cell
Nominal Battery Capacity
1000 mAh battery 970 mAh battery
Estimated Battery Life
10.0 hours 11.0 hours
Estimated Average Current
100 mA 88 mA
S740 S621

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