Compare Dopod – 818 vs Dopod – 686 Specifications

818 686
Brand
Dopod Dopod
Model
818 686
Released
2005 Jan 2002 May
Hardware Designer
HTC HTC
Manufacturer
HTC HTC
Codename
HTC Magician HTC Wallaby
General Extras
Passive stylus Passive stylus
Device Category
Smartphone Smartphone
818 686
Width
58.2 mm
2.29 inch
73 mm
2.87 inch
Height
107.7 mm
4.24 inch
129 mm
5.08 inch
Depth
18.1 mm
0.71 inches
18 mm
0.71 inches
Bounding Volume
113.5 ccm 169.5 ccm
Mass
155 g
5.47 ounces
201 g
7.09 ounces
818 686
Platform
Windows (mobile-class) Windows (mobile-class)
Operating System
Microsoft Windows Mobile 2003 Second Edition for Pocket PC Phone Edition (Ozone Update) Microsoft Pocket PC 2002 Phone Edition (Merlin)
Operating System Kernel Version
4.21.1088 3.0.1
818 686
CPU Clock
416 MHz 206 MHz
CPU
Intel XScale PXA272 (Bulverde)
2,004
32 bit
single-core
32 Kbyte I-Cache
32 Kbyte D-Cache
Intel StrongARM SA-1110
1,999
32 bit
single-core
16 Kbyte I-Cache
8 Kbyte D-Cache
RAM Type
SDRAM SDRAM
RAM Capacity
64 MiB RAM 32 MiB RAM, 31 MiB user accessible RAM
Non-volatile Memory Type
Flash EEPROM Flash EEPROM
Non-volatile Memory Interface
Yes Yes
Non-volatile Memory Capacity
64 MiB non-volatile
7.6 MiB free user storage
N/A
818 686
Display Diagonal
71.8 mm
2.8 inch
89 mm
3.5 inch
Resolution
240x320
76800 pixels
240x320
76800 pixels
Display Width
43.08 mm
1.7 inch
53.4 mm
2.1 inch
Display Height
57.44 mm
2.26 inch
71.2 mm
2.8 inch
Horizontal Full Bezel Width
15.12 mm 19.6 mm
Display Area
2474.5 square millimeter 3802.1 square millimeter
Display Area Utilization
39.5% 40.4%
Pixel Size
0.1795 mm/pixel 0.2225 mm/pixel
Pixel Density
142 PPI 114 PPI
Display Type
Color TN-TFT LCD display Color TN-TFT LCD display
Display Color Depth
16 bit/pixel 12 bit/pixel
Number of Display Scales
65,536 4096
Display Illumination
Yes Yes
Display Light Reflection Mode
transflective reflective
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
818 686
Audio Channel(s)
stereo stereo
Audio Controller
Philips UDA1380 Philips UDA1341TS
A/D Converter Nominal Resolution
16 bit quantization N/A
A/D Sampling Frequency
44100 Hz 48000 Hz
Microphone(s)
mono mono
D/A Converter Nominal Resolution
16 bit quantization 16 bit quantization
Loudspeaker(s):
mono mono
Audio Output:
2.5mm 2.5mm
818 686
Supported Cellular Bands
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2) bands
GSM 900MHz (B8)
GSM 1800MHz (B3) bands
Supported Cellular Data Links
CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Class 10 data links
CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Class 10 data links
SIM Card Slot
Mini-SIM (2FF) Mini-SIM (2FF)
Cellular Antenna
Internal antenna and external antenna jack Fixed external antenna
Call Alert Sound
40-chord melody 24-chord melody
Complementary Phone Services
Voice transmission
Vibrating Alert
Speakerphone
Voice transmission
Vibrating Alert
SAR (head)
0.413 W/kg N/A
Sec. Supported Cellular Networks:
No No
818 686
Touchscreen Type
Resistive touch sensing screen Resistive touch sensing screen
Touchscreen Simultaneous Touch Points
Single-touch Single-touch
Directional Pad
Four-way (with action button)-way Four-way (with action button)-way
818 686
Expansion Interfaces
MMC
SD
Secure Digital Input/Output interface
MMC
SD
USB
USB 1.1
USB Full-Speed (12 Mbps)
USB 1.0
USB Full-Speed (12 Mbps)
USB Connector
USB Series Mini-B (mini-USB) Proprietary
Bluetooth
Bluetooth 1.2
Internal antenna
N/A
Wireless LAN
No No
IR
IrDA 1.2
115200bit/s (SIR/CIR)
IrDA 1.1
115200bit/s (SIR/CIR)
818 686
FM Radio Receiver
No No
818 686
Supported GPS protocol(s)
No No
818 686
Camera Placement
Rear N/A
Camera Image Sensor
CMOS No
Image Sensor Format
1/2.80 N/A
Camera Resolution
1280x960 pixel N/A
Number of effective pixels
1.2 MP camera N/A
Zoom
1.0 x optical zoom N/A
Focus
No No
Minimal Focal Length
4.8 mm N/A
Recordable Image Formats
JPG N/A
Video Recording
320x240 pixel N/A
Recordable Video Formats
3GP
MPEG4
N/A
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
818 686
Secondary Camera Sensor
No No
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
818 686
Built-in accelerometer
No No
818 686
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
818 686
Battery
Lithium-ion polymer (LiPo)
removable
1-cell
Lithium-ion polymer (LiPo)
built-in
1-cell
Nominal Cell Capacity (1st cell)
1200 mAh cell 1500 mAh cell
Nominal Battery Capacity
1200 mAh battery 1500 mAh battery
Estimated Battery Life
10.0 hours 9.0 hours
Estimated Average Current
120 mA 167 mA
818 686
Market Regions
Asia
Eastern Europe
Europe
Southeast Asia
Western Europe
N/A

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