Compare HTC – S310 vs HTC – S640 Specifications

S310 S640
Brand
HTC HTC
Model
S310 S640
Released
2006 Sep 2007 Nov
Hardware Designer
HTC HTC
Manufacturer
HTC HTC
Codename
HTC Oxygen HTC Iris 100
Device Category
Smartphone Smartphone
S310 S640
Width
47 mm
1.85 inch 		59.6 mm
2.35 inch
Height
108 mm
4.25 inch 		101 mm
3.98 inch
Depth
18.5 mm
0.73 inches 		13.9 mm
0.55 inches
Bounding Volume
93.9 ccm 83.7 ccm
Mass
105 g
3.7 ounces 		112 g
3.95 ounces
S310 S640
Platform
Windows (mobile-class) Windows (mobile-class)
Operating System
Microsoft Windows Mobile 5.0 for Smartphone
AKU 3.0 		N/A
Operating System Kernel Version
5.1.342 5.2
S310 S640
CPU Clock
201 MHz 400 MHz
CPU
Texas Instruments OMAP 850
2,005
32 bit
single-core
16 Kbyte I-Cache
8 Kbyte D-Cache 		Qualcomm MSM7500
2,006
32 bit
single-core
16 Kbyte I-Cache
16 Kbyte D-Cache
90 nm
RAM Type
SDRAM SDRAM
RAM Capacity
64 MiB RAM
44.4 MiB user accessible RAM 		N/A
Non-volatile Memory Type
Flash EEPROM Flash EEPROM
Non-volatile Memory Interface
Yes Yes
Non-volatile Memory Capacity
64 MiB non-volatile
19.13 MiB free user storage 		N/A
S310 S640
Display Diagonal
51 mm
2 inch 		62.5 mm
2.5 inch
Resolution
176x220
38720 pixels 		320x240
76800 pixels
Display Width
31.86 mm
1.25 inch 		50 mm
1.97 inch
Display Height
39.82 mm
1.57 inch 		37.5 mm
1.48 inch
Horizontal Full Bezel Width
15.14 mm 9.6 mm
Display Area
1268.8 square millimeter 1875 square millimeter
Display Area Utilization
25.0% 31.1%
Pixel Size
0.18102 mm/pixel 0.15625 mm/pixel
Pixel Density
140 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
S310 S640
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
Loudspeaker(s):
mono mono
Audio Output:
Proprietary Proprietary
S310 S640
Supported Cellular Bands
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2) bands 		CDMA 800MHz (BC0, 850)
CDMA 1900MHz (BC1/BC14, PCS) bands
Supported Cellular Data Links
CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Class 10
EDGE (Class unspecified) data links 		cdmaOne (IS-95)
CDMA2000 1xRTT (IS-2000)
CDMA2000 1xEV-DO Rel. 0
CDMA2000 1xEV-DO Revision A data links
SIM Card Slot
Mini-SIM (2FF) N/A
Cellular Antenna
Internal antenna and external antenna jack Internal antenna
Call Alert Sound
40-chord melody 40-chord melody
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone 		Voice transmission
Vibrating Alert
Speakerphone
Cellular Controller
TI TMS320C54x Qualcomm MSM7500 (QDSP4000, QDSP5000)
Sec. Supported Cellular Networks:
No No
S310 S640
Keyboard
Built-in numeric Built-in QWERTY
Keyboard Backlight
Aut. keyboard backlight (upon press of key) Aut. keyboard backlight (upon press of key)
Number of keys
12 37
Directional Pad
Four-way (with action button)-way Four-way (with action button)-way
S310 S640
Expansion Interfaces
Secure Digital Input/Output interface
miniSD 		Secure Digital Input/Output interface
TransFlash
microSD
microSDHC
USB
USB 1.1
USB Full-Speed (12 Mbps) 		USB 2.0
USB Full-Speed (12 Mbps)
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
Wireless LAN
No IEEE 802.11b, IEEE 802.11g, Internal antenna
S310 S640
FM Radio Receiver
No No
S310 S640
Supported GPS protocol(s)
No No
S310 S640
Camera Placement
Rear Rear
Camera Image Sensor
CMOS CMOS
Camera Resolution
1280x1024 pixel 1600x1200 pixel
Number of effective pixels
1.3 MP camera 1.9 MP camera
Zoom
1.0 x optical zoom 1.0 x optical zoom
Focus
No Contrast Detection Autofocus (CD AF)
Recordable Image Formats
BMP
JPG 		BMP
JPG
Video Recording
176x144 pixel
20 fps 		N/A
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
S310 S640
Secondary Camera Sensor
No No
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
S310 S640
Built-in accelerometer
No No
S310 S640
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
S310 S640
Battery
Lithium-ion
removable
1-cell 		Lithium-ion polymer (LiPo)
removable
1-cell
Nominal Cell Capacity (1st cell)
1150 mAh cell 1200 mAh cell
Nominal Battery Capacity
1150 mAh battery 1200 mAh battery
Estimated Battery Life
20.0 hours 12.0 hours
Estimated Average Current
58 mA 100 mA
S310 S640

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