Compare Dopod – 838 vs Dopod – 577W Specifications

838 577W
Brand
Dopod Dopod
Model
838 577W
Released
2006 Jan 2005 Nov
Hardware Designer
HTC HTC
Manufacturer
HTC HTC
Codename
HTC Wizard 110 HTC Tornado Noble
OEM ID
WIZA110 N/A
General Extras
Passive stylus N/A
Device Category
Smartphone Smartphone
838 577W
Width
58 mm
2.28 inch 		46.2 mm
1.82 inch
Height
108 mm
4.25 inch 		107.5 mm
4.23 inch
Depth
23.7 mm
0.93 inches 		17.5 mm
0.69 inches
Bounding Volume
148.5 ccm 86.9 ccm
Mass
168 g
5.93 ounces 		106 g
3.74 ounces
838 577W
Platform
Windows (mobile-class) Windows (mobile-class)
Operating System
Microsoft Windows Mobile 5.0 for Pocket PC Phone Edition (Magneto)
AKU 1.1 		N/A
Operating System Kernel Version
5.1.1702 5.1.17000
838 577W
CPU Clock
195 MHz 200 MHz
CPU
Texas Instruments OMAP 850
2,005
32 bit
single-core
16 Kbyte I-Cache
8 Kbyte D-Cache 		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
48 MiB user accessible RAM 		N/A
Non-volatile Memory Type
Flash EEPROM Flash EEPROM
Non-volatile Memory Interface
Yes Yes
Non-volatile Memory Capacity
128 MiB non-volatile
50 MiB free user storage 		N/A
838 577W
Display Diagonal
70 mm
2.8 inch 		57 mm
2.2 inch
Resolution
240x320
76800 pixels 		240x320
76800 pixels
Display Width
42 mm
1.65 inch 		34.2 mm
1.35 inch
Display Height
56 mm
2.2 inch 		45.6 mm
1.8 inch
Horizontal Full Bezel Width
16 mm 12 mm
Display Area
2352 square millimeter 1559.5 square millimeter
Display Area Utilization
37.5% 31.4%
Pixel Size
0.175 mm/pixel 0.1425 mm/pixel
Pixel Density
145 PPI 178 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
838 577W
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):
stereo mono
Audio Output:
2.5mm Proprietary
838 577W
Supported Cellular Bands
GSM 850MHz (B5)
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2) 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) 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 and external antenna jack 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
TI TMS320C54x TI TMS320C54x
SAR (head)
0.317 W/kg N/A
Sec. Supported Cellular Networks:
No No
838 577W
Touchscreen Type
Resistive touch sensing screen N/A
Touchscreen Simultaneous Touch Points
Single-touch N/A
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
41 12
Directional Pad
Four-way (with action button)-way Four-way (with action button)-way
838 577W
Expansion Interfaces
Secure Digital Input/Output interface
miniSD 		Secure Digital Input/Output interface
miniSD
USB
USB 1.1
USB Full-Speed (12 Mbps) 		USB 1.1
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 1.2
Internal antenna
Wireless LAN
IEEE 802.11b
IEEE 802.11g
Internal antenna 		IEEE 802.11b
Internal antenna
IR
IrDA 1.2
115200bit/s (SIR/CIR) 		IrDA 1.2
115200bit/s (SIR/CIR)
838 577W
FM Radio Receiver
No No
838 577W
Supported GPS protocol(s)
No No
838 577W
Camera Placement
Rear Rear
Camera Image Sensor
CMOS CMOS
Camera Resolution
1280x1024 pixel 1280x1024 pixel
Number of effective pixels
1.3 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
176x144 pixel
15 fps 		176x144 pixel
10 fps
Recordable Video Formats
3GP
MPEG4
MJPG 		3GP
MPEG4
MJPG
Flash
single LED 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
838 577W
Secondary Camera Sensor
No No
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
838 577W
Built-in accelerometer
No No
838 577W
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
838 577W
Battery
Lithium-ion polymer (LiPo)
removable
1-cell 		Lithium-ion
removable
1-cell
Nominal Cell Voltage (1st cell)
3.70 Volts N/A
Nominal Cell Capacity (1st cell)
1250 mAh cell 1050 mAh cell
Nominal Battery Voltage
3.70 Volts N/A
Nominal Battery Capacity
1250 mAh battery 1050 mAh battery
Nominal Battery Energy
4.63 Wh N/A
Estimated Battery Life
11.0 hours 15.0 hours
Estimated Average Current
114 mA 70 mA
838 577W
Market Countries
Australia
Malaysia
Singapore
Taiwan 		Australia
Malaysia
Singapore
Taiwan

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