Compare NEC – MobilePro 790 vs NEC – MobilePro 450 Specifications

MobilePro 790 MobilePro 450
Brand
NEC NEC
Model
MobilePro 790 MobilePro 450
Released
2001 Feb 1997 Oct
Hardware Designer
NEC NEC
Manufacturer
NEC NEC
General Extras
Passive stylus Passive stylus
Device Category
Palmtop Palmtop
MobilePro 790 MobilePro 450
Width
245 mm
9.65 inch
175 mm
6.89 inch
Height
131 mm
5.16 inch
95 mm
3.74 inch
Depth
28.8 mm
1.13 inches
26.3 mm
1.04 inches
Bounding Volume
924.3 ccm 437.2 ccm
Mass
771 g
27.2 ounces
386 g
13.62 ounces
MobilePro 790 MobilePro 450
Platform
Windows (mobile-class) Windows (mobile-class)
Operating System
Microsoft Handheld PC 2000 (Galileo) Microsoft Handheld PC 1.0 (Pegasus)
Operating System Kernel Version
3 1.0
MobilePro 790 MobilePro 450
CPU Clock
168 MHz 33 MHz
CPU
NEC VR4121
1,999
64 bit
single-core
16 Kbyte I-Cache
8 Kbyte D-Cache
1024 Kbyte L2
NEC VR4101
1,996
64 bit
single-core
2 Kbyte I-Cache
1 Kbyte D-Cache
RAM Type
SDRAM EDO DRAM
RAM Capacity
32 MiB RAM 4 MiB RAM
Non-volatile Memory Type
EPROM EPROM
Non-volatile Memory Interface
Yes Yes
Non-volatile Memory Capacity
40 MiB non-volatile
16 MiB free user storage
N/A
MobilePro 790 MobilePro 450
Display Diagonal
206 mm
8.1 inch
130 mm
5.1 inch
Resolution
640x240
153600 pixels
480x240
115200 pixels
Display Width
192.88 mm
7.59 inch
116.28 mm
4.58 inch
Display Height
72.33 mm
2.85 inch
58.14 mm
2.29 inch
Horizontal Full Bezel Width
52.12 mm 58.72 mm
Display Area
13951.6 square millimeter 6760 square millimeter
Display Area Utilization
43.5% 40.7%
Pixel Size
0.30138 mm/pixel 0.24224 mm/pixel
Pixel Density
84 PPI 105 PPI
Display Type
Color DSTN LCD display Monochrome STN LCD display
Display Color Depth
16 bit/pixel 2 bit/pixel
Number of Display Scales
65,536 4
Display Illumination
Yes ELP
Display Light Reflection Mode
Yes reflective
Display Subpixel Scheme
Yes N/A
Scratch Resistant Screen
No No
Graphical Controller
N/A N/A
A/V Out
Yes
Proprietary
N/A
A/V Out Max. Resolution
640x480 (VGA) N/A
MobilePro 790 MobilePro 450
Audio Channel(s)
stereo mono
Microphone(s)
mono No
D/A Converter Nominal Resolution
16 bit quantization N/A
Loudspeaker(s):
mono mono
Audio Output:
2.5mm No
MobilePro 790 MobilePro 450
Supported Cellular Bands
No No
Sec. Supported Cellular Networks:
No No
MobilePro 790 MobilePro 450
Touchscreen Type
Resistive touch sensing screen Resistive touch sensing screen
Touchscreen Simultaneous Touch Points
Single-touch Single-touch
Keyboard
Built-in QWERTY Built-in QWERTY
Number of keys
78 61
Directional Pad
Four-way (without action button)-way Four-way (without action button)-way
MobilePro 790 MobilePro 450
Expansion Interfaces
PCMCIA I.
PCMCIA II.
CF I.
CF II.
PCMCIA I.
PCMCIA II.
USB
USB 1.1
USB Full-Speed (12 Mbps)
No
No
USB Connector
Proprietary No
Bluetooth
No No
Wireless LAN
No No
IR
IrDA 1.1
4Mbit/s (FIR)
IrDA 1.0
115200bit/s (SIR/CIR)
Serial
Recommended Standard 232 Recommended Standard 232
Serial Connector:
Proprietary Proprietary
Serial Data Rate:
115200 bps 115200 bps
Modem:
v.90 (56kbit/s down, 33.6kbit/s up) N/A
Modem Connector:
6P4C (RJ-11) N/A
Faxmodem:
v.17 (14.4kbit/s) N/A
MobilePro 790 MobilePro 450
FM Radio Receiver
No No
MobilePro 790 MobilePro 450
Supported GPS protocol(s)
No No
MobilePro 790 MobilePro 450
Camera Image Sensor
No No
Focus
No No
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
MobilePro 790 MobilePro 450
Secondary Camera Sensor
No No
Sec. Aux. Cam. Image Sensor
No No
Sec. Aux. 2 Cam. Image Sensor
No No
MobilePro 790 MobilePro 450
Built-in accelerometer
No No
MobilePro 790 MobilePro 450
Protection from solid materials
Yes Yes
Protection from liquids
Yes Yes
MobilePro 790 MobilePro 450
Battery
Lithium-ion
removable
1-cell
NiMH
removable
Nominal Cell Capacity (1st cell)
1000 mAh cell N/A
Estimated Battery Life
10.0 hours 25.0 hours
MobilePro 790 MobilePro 450
Market Countries
Japan Japan
Market Regions
Asia Asia

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