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alaTest has collected and analyzed 8 reviews of NEC P451W. The average rating for this product is 4.4/5, compared to an average rating of 4.2/5 for other products in the same category for all reviews. Reviews about the image quality and size are on the whole positive. The design and price are also mentioned favorably, whereas many are negative about the noise.

usability, price, design, size, image quality


We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the NEC P451W is awarded an overall alaScore™ of 86/100 = Very good quality.

Review analysis

(Based on 8 reviews)

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Consumer review ( review summary for NEC P451W


alaTest has collected and analyzed 1 user review of NEC P451W from The average user rating for this product is 5.0/5, compared to an average user rating of 4.2/5 for other products in the same category on

100% of the reviews on give this product a positive rating.

Jan, 2020

Expert review by : Ng Chong Seng (

NEC P451W Review - A High-performing, Entry-level Installation Projector


The NEC P451W is an entry-level installation projector with a high 4,500 ANSI lumens brightness, and a long 6,000-hour lamp life (under Eco mode). It also comes with plenty of connectivity options, including two HDMI ports, and a slew of software...

Very high brightness (4,500 ANSI lumens) ; Plenty of I/Os (including 2 HDMI ports) ; Excellent data image quality ; Vertical lens shift function ; Reasonably priced

Most software tools not supported on the Mac ; Slight color shift ; Doesn't support 3D

In more ways than one, this new P series of projectors is the brighter version of NEC’s current M series of portable business projectors, which currently tops out at 4,200 ANSI lumens in the

Oct, 2013

Price comparison for NEC P451W

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