NEC UM351Wi vs Vivitek DW866

NEC UM351Wi
Vivitek DW866

Top Prices

PC Rush
Delivery unknown
In stock
MacMall
Delivery unknown
In stock
Adorama
Out of stock

Reasons For

8 Reasons For
17% longer service life of lamp in economic mode Edit
The NEC UM351Wi is a 6,000hh service life of lamp in economic mode projector. That's 1h longer than the Vivitek DW866 (5,000hh).
40% longer lamp service life Edit
The NEC UM351Wi is a 5,000hh lamp service life projector. That's 2h longer than the Vivitek DW866 (3,500hh).
One more HDMI port Edit
The NEC UM351Wi has two HDMI ports, however the Vivitek DW866 only has one HDMI port.
6dB quieter noise level Edit
The NEC UM351Wi has a noise level of 29dBdB, whereas the Vivitek DW866 is a 35dBdB noise level projector (6dB louder). Read more

The noise level of the projector is the amount of noise that the projector makes (caused by the cooling fan inside the projector) when it is running.

A lower noise level means that the projector will be quieter when it is running. This means that you will be able to appreciate the quieter parts of films better without the background noise of the projector running.

Quieter noise level in economy mode Edit
NEC UM351Wi is 28dBdB noise level (in economic mode). That's 4dB quieter than the Vivitek DW866 (32dBdB).
50% higher RMS rated power Edit
The NEC UM351Wi is a 20WW RMS rated power projector. That's 10W higher than the Vivitek DW866 (10WW).
Lower power consumption in economy mode Edit
NEC UM351Wi is 214WW power consumption (in economy mode), but the Vivitek DW866 is a 250WW power consumption (in economy mode) projector (36W higher).
Available from 1 shops
A greater number of retailers increases the price competition amongst retailers for this projector and also increases the chances of the product remaining in stock.
7 Reasons For
Brighter projector brightness Edit
Vivitek DW866 is 4,000 ANSI lumens ANSI lumens brightness, but the NEC UM351Wi is only a 3,500 ANSI lumens ANSI lumens brightness projector (1 ANSI lumens dimmer).
16% brighter lamp power in economic mode Edit
The Vivitek DW866 has a lamp power in economic mode of 190WW, however the NEC UM351Wi is only a 160WW lamp power in economic mode projector (30W dimmer).
40W bigger lamp power Edit
The Vivitek DW866 has a lamp power of 240WW, whereas the NEC UM351Wi is only a 200WW lamp power projector (40W smaller).
One more audio in port Edit
The Vivitek DW866 is a two audio in port projector, whereas the NEC UM351Wi only has one audio in port.
One more USB 2.0 port Edit
The Vivitek DW866 is a four USB 2.0 port projector, whereas the NEC UM351Wi only has three USB 2.0 ports.
2.4g lighter Edit
Vivitek DW866 is 3.2kgg heavy, but the NEC UM351Wi is a 5.6kgg heavy projector (2.4g heavier).
93mm narrower Edit
The Vivitek DW866 is a 285mmmm wide projector, whereas the NEC UM351Wi is a 378mmmm wide projector (93mm wider).

Reasons Against

7 Reasons Against
34% dimmer projector brightness Edit
The NEC UM351Wi is a 3,500 ANSI lumens ANSI lumens brightness projector. That's 1 ANSI lumens dimmer than the Vivitek DW866 (4,000 ANSI lumens ANSI lumens).
Dimmer lamp power in economic mode Edit
The NEC UM351Wi is a 160WW lamp power in economic mode projector. That's 30W dimmer than the Vivitek DW866 (190WW).
20% smaller lamp power Edit
The NEC UM351Wi is a 200WW lamp power projector. That's 40W smaller than the Vivitek DW866 (240WW).
Only one audio in port Edit
The NEC UM351Wi has one audio in port, however the Vivitek DW866 only has two audio in ports.
Only three USB 2.0 ports Edit
The NEC UM351Wi has three USB 2.0 ports, however the Vivitek DW866 only has four USB 2.0 ports.
Heavier Edit
The NEC UM351Wi is a 5.6kgg heavy projector. That's 2.4g heavier than the Vivitek DW866 (3.2kgg).
25% wider Edit
The NEC UM351Wi has a width of 378mmmm. That's 93mm wider than the Vivitek DW866 (285mmmm).
9 Reasons Against
1h shorter service life of lamp in economic mode Edit
The Vivitek DW866 has a service life of lamp in economic mode of 5,000hh, whereas the NEC UM351Wi is a 6,000hh service life of lamp in economic mode projector (1h longer).
Significantly shorter lamp service life Edit
The Vivitek DW866 has a lamp service life of 3,500hh, however the NEC UM351Wi is a 5,000hh lamp service life projector (2h longer).
Only one HDMI port Edit
The Vivitek DW866 is a one HDMI port projector, whereas the NEC UM351Wi only has two HDMI ports.
Louder noise level Edit
The Vivitek DW866 is a 35dBdB noise level projector. That's 6dB louder than the NEC UM351Wi (35dBdB). Read more

The noise level of the projector is the amount of noise that the projector makes (caused by the cooling fan inside the projector) when it is running.

A lower noise level means that the projector will be quieter when it is running. This means that you will be able to appreciate the quieter parts of films better without the background noise of the projector running.

13% louder noise level in economy mode Edit
The Vivitek DW866 has a noise level in economy mode of 32dBdB, however the NEC UM351Wi is a 28dBdB noise level (in economic mode) projector (4dB quieter).
Vastly lower RMS rated power Edit
The Vivitek DW866 has an RMS rated power of 10WW, however the NEC UM351Wi is a 20WW RMS rated power projector (10W higher).
15% higher power consumption in economy mode Edit
The Vivitek DW866 has a power consumption in economy mode of 250WW. That's 36W higher than the NEC UM351Wi (250WW).
Not as many stockists
The Vivitek DW866 is only stocked by 1 retailer, however the NEC UM351Wi is stocked by 2 stores. Read more
Fewer numbers of sellers reduces the chances of the product remaining in stock and also reduces the price competition amongst retailers for this projector.
Older by one month
The Vivitek DW866 is one month older than the NEC UM351Wi.

Date Released

24 months Ago 26 months Ago

Projector

Contrast Ratio
 6000:1
 6000:1
Native Projector Resolution
 WXGA (1280x800)
 WXGA (1280x800)
Projector Brightness
3,500 ANSI lumens 4,000 ANSI lumens
BEST
Horizontal Keystone Correction
-10 - 10 Unknown - Click to provide data
Maximum Digital Resolution
 1920 x 1200
BEST
 1920 x 1200
Maximum Analog Resolution
 1920 x 1200
BEST
 1920 x 1200
Vertical Keystone Correction
-10 - 10 +15, -15
Minimum Vertical Synchronization
Unknown - Click to provide data 50kHz
Maximum Horizontal Synchronization
Unknown - Click to provide data 90kHz
Maximum Vertical Synchronization
Unknown - Click to provide data 85kHz
Minimum Horizontal Synchronization
Unknown - Click to provide data 15kHz
Zoom Ratio
 1.4:1
BEST
 1.4:1
Projection Distance
0.1 - 0.51 1 - 10
Supported Aspect Ratio
 16:10
 16:9
 4:3
 16:10
 16:9
 4:3
Compatible Screen Size
58 - 110 27.1 - 302.2
Projection Technology
 LCD
 LCD

Lamps

Lamp Power in Economic Mode
160W 190W
BEST
Lamp
1 Unknown - Click to provide data
Service Life of Lamp in Economic Mode
6,000h
BEST
5,000h
Lamp Power
200W 240W
BEST
Lamp Service Life
5,000h
BEST
3,500h

Lens System

Digital Zoom
1.4x Unknown - Click to provide data
Offset
81%
BEST
111.5%
Aperture Range
1.8 - 1.8 2.52 - 2.72
Focal Length Range
Unknown - Click to provide data 21.8 - 24
Focus Mode
 Manual
 Manual
Vertical Lens Shift Range
Unknown - Click to provide data -15 - 15
Fixed Focal Length
4.78 Unknown - Click to provide data

Video

Graphics Resolution
 1600 x 1200 (UXGA)
 1680 x 1050 (WSXGA+)
 1400 x 1050 (SXGA+)
 1600 x 900
 1280 x 1024 (SXGA)
 1440 x 900 (WXGA+)
 1440 x 900
 1280 x 960
 1366 х 768
 1360 x 768 (WXGA)
 1280 x 800 (WXGA)
 1280 x 800
 1152 x 864 (XGA+)
 1280 x 768 (WXGA)
 1280 x 768
 1280 x 720 (HD 720)
 1024 x 768 (XGA)
 832 x 624
 720 x 576
 720 x 480
BEST
 1600 x 1200 (UXGA)
 1680 x 1050 (WSXGA+)
 1400 x 1050 (SXGA+)
 1600 x 900
 1280 x 1024 (SXGA)
 1440 x 900 (WXGA+)
 1440 x 900
 1280 x 960
 1366 х 768
 1360 x 768 (WXGA)
 1280 x 800 (WXGA)
 1280 x 800
 1152 x 864 (XGA+)
 1280 x 768 (WXGA)
 1280 x 768
 1280 x 720 (HD 720)
 1024 x 768 (XGA)
 832 x 624
 720 x 576
 720 x 480
Analog Signal Format System
 PAL
 PAL M
 PAL N
 SECAM
 NTSC
 NTSC 3.58
 NTSC 4.43
 PAL 60
 PAL B
 PAL D
 PAL G
 PAL H
 PAL I
 SECAM B
 SECAM D
 SECAM G
 SECAM K
 SECAM K1
 SECAM L
 PAL
 PAL M
 PAL N
 SECAM
 NTSC
 NTSC 3.58
 NTSC 4.43
 PAL 60
 PAL B
 PAL D
 PAL G
 PAL H
 PAL I
 SECAM B
 SECAM D
 SECAM G
 SECAM K
 SECAM K1
 SECAM L

Ports & Interfaces

RS-232 Port
1 1
Serial Interface Type
 RS-232
 RS-232
Headphone Output
1 Unknown - Click to provide data
Audio in Port
1 2
BEST
Composite Video in Port
1 Unknown - Click to provide data
USB Connector Type
 USB Type-A
 USB Type-B
 Mini-USB B
 USB Type-A
 USB Type-B
 Mini-USB B
USB 2.0 Port
3 4
BEST
Ethernet LAN (RJ-45) Port
1 1
HDMI Port
2
BEST
1
VGA (D-Sub) Port
2 2
HDMI Port
 Full-size
 Full-size
Remote (IR) Output
1 Unknown - Click to provide data

Performance

Noise Level
29dB
BEST
35dB
Noise Level in Economy Mode
28dB
BEST
32dB
Horizontal Scan Range
15 - 100 Unknown - Click to provide data
Vertical Scan Range
50 - 120 Unknown - Click to provide data

Multimedia

Supported Audio Format
Unknown - Click to provide data AAC,WAV,WMA,OGG,ADPCM,MP1,MP2,MP3
Image Format
 JPG
 BMP
 JPEG XR
 JPG
 BMP
 JPEG XR
BEST
Video Format
 MP4
 WMV
 AVI
 RM
 RMVB
 MOV
 DIVX
 MPG
 MPEG
 MKV
 DAT
 TS
 MP4
 WMV
 AVI
 RM
 RMVB
 MOV
 DIVX
 MPG
 MPEG
 MKV
 DAT
 TS
BEST
RMS Rated Power
20W
BEST
10W
Built-In Speaker
1 Unknown - Click to provide data

Design

Cable Lock Slot Type
 Kensington
 Kensington
Form Factor
 Desktop
 Desktop
Colour
 White
 White
Product Type
 Desktop projector
 Desktop projector

Power

Power Source
 AC
 AC
Power Consumption On Standby
0.5W 0.5W
Typical Power Consumption
257W
BEST
310W
Power Consumption in Economy Mode
214W
BEST
250W
Maximum Power Consumption
324W Unknown - Click to provide data
AC Adapter Frequency
 50
 60
 50/60
 50
 60
 50/60
AC Adapter Input Voltage
100 - 240 100 - 240
AC Input Frequency
 50
 50/60
 60
 50
 50/60
 60
AC Input Voltage
 100 - 240
 100
 100 - 240
 100
Power Consumption (network Standby)
3 Unknown - Click to provide data

Operational Conditions

Relative Humidity Storage Range
20 - 80 Unknown - Click to provide data
Relative Humidity Operational Range
20 - 80 Unknown - Click to provide data
Storage Temperature Range
-10 - 50 Unknown - Click to provide data
Operating Temperature Range
5 - 40 Unknown - Click to provide data

Certificates

Certification
CE, Gost-R, TÜV GS Unknown - Click to provide data

Weight & Dimensions

Weight
5.6kg 3.2kg
BEST
Height
112mm
BEST
121.8mm
Depth
428mm 261mm
BEST
Width
378mm 285mm
BEST

Packaging Content

Remote Control Type
 IR
 IR
Cable Included
 VGA
 AC
BEST
 VGA
 AC
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