Compare HTC – S640 vs HTC – S310 Specifications

S640 S310
Brand
HTC HTC
Model
S640 S310
Released
2007 Nov 2006 Sep
Hardware Designer
HTC HTC
Manufacturer
HTC HTC
Codename
HTC Iris 100 HTC Oxygen
OEM ID
IRIS100 N/A
Device Category
Smartphone Smartphone
S640 S310
Width
59.6 mm
2.35 inch
47 mm
1.85 inch
Height
101 mm
3.98 inch
108 mm
4.25 inch
Depth
13.9 mm
0.55 inches
18.5 mm
0.73 inches
Bounding Volume
83.7 ccm 93.9 ccm
Mass
112 g
3.95 ounces
105 g
3.7 ounces
S640 S310
Platform
Windows (mobile-class) Windows (mobile-class)
Operating System
Microsoft Windows Mobile 6 Standard (Crossbow) Microsoft Windows Mobile 5.0 for Smartphone, AKU 3.0
Operating System Kernel Version
5 5.1.342
S640 S310
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, 44.4 MiB user accessible RAM
Non-volatile Memory Type
Flash EEPROM Flash EEPROM
Non-volatile Memory Interface
Yes Yes
Non-volatile Memory Capacity
256 MiB non-volatile 64 MiB non-volatile, 19.13 MiB free user storage
S640 S310
Display Diagonal
62.5 mm
2.5 inch
51 mm
2 inch
Resolution
320x240
76800 pixels
176x220
38720 pixels
Display Width
50 mm
1.97 inch
31.86 mm
1.25 inch
Display Height
37.5 mm
1.48 inch
39.82 mm
1.57 inch
Horizontal Full Bezel Width
9.6 mm 15.14 mm
Display Area
1875 square millimeter 1268.8 square millimeter
Display Area Utilization
31.1% 25.0%
Pixel Size
0.15625 mm/pixel 0.18102 mm/pixel
Pixel Density
163 PPI 140 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
S640 S310
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
S640 S310
Supported Cellular Bands
CDMA 800MHz (BC0, 850)
CDMA 1900MHz (BC1/BC14, PCS) 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 and external antenna jack
Call Alert Sound
40-chord melody 40-chord melody
Complementary Phone Services
Voice transmission
Vibrating Alert
Speakerphone
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
Cellular Controller
Qualcomm MSM7500 (QDSP4000, QDSP5000) TI TMS320C54x
SAR (head)
0.893 W/kg N/A
Sec. Supported Cellular Networks:
No No
S640 S310
Keyboard
Built-in 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
Directional Pad
Four-way (with action button)-way Four-way (with action button)-way
Scroll Wheel
Pressable rotary scroll wheel N/A
S640 S310
Expansion Interfaces
Secure Digital Input/Output interface
TransFlash
microSD
microSDHC
Secure Digital Input/Output interface
miniSD
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) USB Series Mini-B (mini-USB)
Bluetooth
Bluetooth 2.0
Internal antenna
Bluetooth 2.0
Internal antenna
Wireless LAN
IEEE 802.11b
IEEE 802.11g
Internal antenna
N/A
IR
IrDA 1.2
115200bit/s (SIR/CIR)
N/A
S640 S310
FM Radio Receiver
No No
S640 S310
Supported GPS protocol(s)
No No
S640 S310
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
Contrast Detection Autofocus (CD AF) No
Recordable Image Formats
BMP
JPG
BMP
JPG
Video Recording
320x240 pixel 176x144 pixel, 20 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
S640 S310
Secondary Camera Sensor
No No
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
S640 S310
Built-in accelerometer
No No
S640 S310
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
S640 S310
Battery
Lithium-ion polymer (LiPo)
removable
1-cell
Lithium-ion
removable
1-cell
Nominal Cell Capacity (1st cell)
1200 mAh cell 1150 mAh cell
Nominal Battery Capacity
1200 mAh battery 1150 mAh battery
Estimated Battery Life
12.0 hours 20.0 hours
Estimated Average Current
100 mA 58 mA

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