NEC NP-UM351W vs Vivitek DW866

NEC NP-UM351W
Vivitek DW866

Top Prices

Newegg UK
Factory Outlet Store
In stock
PC Rush
Delivery unknown
In stock
Adorama
Out of stock

Reasons For

7 Reasons For
1h longer service life of lamp in economic mode Edit
The NEC NP-UM351W is a 6,000hh service life of lamp in economic mode projector. That's 1h longer than the Vivitek DW866 (5,000hh).
6% bigger lamp power Edit
The NEC NP-UM351W is a 255WW lamp power projector. That's 15W bigger than the Vivitek DW866 (240WW).
One more HDMI port Edit
The NEC NP-UM351W is a two HDMI port projector, whereas the Vivitek DW866 only has one HDMI port.
15% quieter noise level in economy mode Edit
The NEC NP-UM351W has a noise level in economy mode of 28dBdB. That's 4dB quieter than the Vivitek DW866 (32dBdB).
50% higher RMS rated power Edit
The NEC NP-UM351W is a 20WW RMS rated power projector. That's 10W higher than the Vivitek DW866 (10WW).
14% lower power consumption in economy mode Edit
The NEC NP-UM351W has a power consumption in economy mode of 221WW, however the Vivitek DW866 is a 250WW power consumption (in economy mode) projector (29W higher).
Available from 3 shops
The more retailers stock this projector, the greater competition amongst retailers to keep prices low.
7 Reasons For
25% brighter projector brightness Edit
The Vivitek DW866 has a projector brightness of 4,000 ANSI lumens ANSI lumens. That's 1 ANSI lumens brighter than the NEC NP-UM351W (4,000 ANSI lumens ANSI lumens).
30W brighter lamp power in economic mode Edit
The Vivitek DW866 is a 190WW lamp power in economic mode projector. That's 30W brighter than the NEC NP-UM351W (190WW).
Two audio in ports Edit
The number of audio in ports on the Vivitek DW866 is two, but the NEC NP-UM351W only has one audio in port.
Four USB 2.0 ports Edit
The number of USB 2.0 ports on the Vivitek DW866 is four, but the NEC NP-UM351W only has one USB 2.0 port.
A bit quieter noise level Edit
The Vivitek DW866 has a noise level of 35dBdB, however the NEC NP-UM351W is a 38dBdB noise level projector (3dB 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.

75% lighter Edit
The Vivitek DW866 has a weight of 3.2kgg. That's 2.4g lighter than the NEC NP-UM351W (3.2kgg).
51% narrower Edit
Vivitek DW866 is 285mmmm wide. That's 144mm narrower than the NEC NP-UM351W (285mmmm).

Reasons Against

7 Reasons Against
34% dimmer projector brightness Edit
NEC NP-UM351W is only 3,500 ANSI lumens ANSI lumens brightness. That's 1 ANSI lumens dimmer than the Vivitek DW866 (4,000 ANSI lumens ANSI lumens).
19% dimmer lamp power in economic mode Edit
The NEC NP-UM351W is a 160WW lamp power in economic mode projector. That's 30W dimmer than the Vivitek DW866 (190WW).
Only one audio in port Edit
The NEC NP-UM351W is a one audio in port projector, whereas the Vivitek DW866 only has two audio in ports.
Only one USB 2.0 port Edit
The NEC NP-UM351W is a one USB 2.0 port projector, whereas the Vivitek DW866 only has four USB 2.0 ports.
3dB louder noise level Edit
The NEC NP-UM351W has a noise level of 38dBdB, but the Vivitek DW866 is a 35dBdB noise level projector (3dB quieter). 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.

Heavier Edit
NEC NP-UM351W is 5.6kgg heavy. That's 2.4g heavier than the Vivitek DW866 (3.2kgg).
Wider Edit
The NEC NP-UM351W is a 429mmmm wide projector. That's 144mm wider than the Vivitek DW866 (285mmmm).
8 Reasons Against
Shorter service life of lamp in economic mode Edit
The Vivitek DW866 is a 5,000hh service life of lamp in economic mode projector. That's 1h shorter than the NEC NP-UM351W (5,000hh).
Smaller lamp power Edit
The Vivitek DW866 is a 240WW lamp power projector. That's 15W smaller than the NEC NP-UM351W (240WW).
One less HDMI port Edit
The number of HDMI ports on the Vivitek DW866 is one, but the NEC NP-UM351W only has two HDMI ports.
4dB louder noise level in economy mode Edit
The Vivitek DW866 is a 32dBdB noise level (in economic mode) projector. That's 4dB louder than the NEC NP-UM351W (32dBdB).
10W lower RMS rated power Edit
The Vivitek DW866 is a 10WW RMS rated power projector. That's 10W lower than the NEC NP-UM351W (10WW).
29W higher power consumption in economy mode Edit
The Vivitek DW866 is a 250WW power consumption (in economy mode) projector, whereas the NEC NP-UM351W is a 221WW power consumption (in economy mode) projector (29W lower).
Less retailers
Only 1 store sell the Vivitek DW866, whereas 4 sellers sell the NEC NP-UM351W. Read more
Smaller numbers of stores reduces the price competition amongst retailers for this projector and also reduces the chances of the product remaining in stock.
One month older
The Vivitek DW866 is older than the NEC NP-UM351W by one month.

Average Expert Rating

No reviews found

Date Released

25 months Ago 25 months Ago

Projector

Contrast Ratio
 6000:1
 6000:1
BEST
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 Analog Resolution
 1920 x 1200
BEST
 1920 x 1200
Vertical Keystone Correction
-10 - 10 +15, -15
Matrix Size
0.59" Unknown - Click to provide data
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
0.45 - 0.85 1 - 10
Supported Aspect Ratio
 16:9
 4:3
 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
255W
BEST
240W
Lamp Service Life
3,800h
BEST
3,500h

Lens System

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)
 1400 x 1050 (SXGA+)
 1280 x 1024 (SXGA)
 1440 x 900 (WXGA+)
 1440 x 900
 1280 x 800 (WXGA)
 1280 x 800
 1024 x 768 (XGA)
 800 x 600 (SVGA)
 640 x 480 (VGA)
BEST
 1600 x 1200 (UXGA)
 1400 x 1050 (SXGA+)
 1280 x 1024 (SXGA)
 1440 x 900 (WXGA+)
 1440 x 900
 1280 x 800 (WXGA)
 1280 x 800
 1024 x 768 (XGA)
 800 x 600 (SVGA)
 640 x 480 (VGA)
Analog Signal Format System
 PAL
 PAL M
 PAL N
 SECAM
 NTSC
 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
 NTSC 3.58
 PAL
 PAL M
 PAL N
 SECAM
 NTSC
 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
 NTSC 3.58

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
1 4
BEST
Ethernet LAN (RJ-45) Port
1 1
HDMI Port
2
BEST
1
VGA (D-Sub) Port
2 2

Storage

Optical Disc Player
 Not included
 Not included

Performance

Noise Level
38dB 35dB
BEST
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

Form Factor
 Desktop
 Desktop
Colour
 White
 White
Product Type
 Desktop projector
 Desktop projector

Power

Power Source
 AC
 AC
Power Consumption On Standby
8W 0.5W
BEST
Typical Power Consumption
337W 310W
BEST
Power Consumption in Economy Mode
221W
BEST
250W
Power Consumption During PowerSave
0.2W 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

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
-20 - 50 Unknown - Click to provide data
Operating Temperature Range
5 - 40 Unknown - Click to provide data

Certificates

Certification
USA UL 60950-1 FCC Class B, C-UL CSA 60950-1 ICES-003 Class B Unknown - Click to provide data

Weight & Dimensions

Weight
5.6kg 3.2kg
BEST
Height
112mm
BEST
121.8mm
Depth
592mm 261mm
BEST
Width
429mm 285mm
BEST

Packaging Content

Remote Control Type
 IR
 IR
Cable Included
 VGA
BEST
 VGA

Technical Details

Focus Adjustment
1.8 Unknown - Click to provide data
Feedback