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Optoma HD91

Optoma HD91
alaScore 93

13 reviews

Dec, 2018

alaTest has collected and analyzed 13 reviews of Optoma HD91. The average rating for this product is 4.0/5, compared to an average rating of 4.2/5 for other products in the same category for all reviews. People really like the usability and image quality. The noise and price are also mentioned favorably.

design, price, noise, image quality, usability

We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the Optoma HD91 is awarded an overall alaScore™ of 93/100 = Excellent quality.

Review analysis

(Based on 13 reviews)

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Consumer review ( review summary for Optoma HD91


alaTest has collected and analyzed 1 user review of Optoma HD91 from The average user rating for this product is 5.0/5, compared to an average user rating of 4.3/5 for other products in the same category on Reviewers are impressed by the usability and price.

design, price, usability

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

This summary is based on the products: Optoma HD91 3D Ready ProjectorOptoma HD91 3D Ready Projector

Dec, 2018

Recommended by TR

Expert review by : John Archer (

Optoma HD91 Plus


As its name suggests, the HD91+ is an improved version of 2014's HD91 projector. It keeps the key LED DLP lighting system that made the HD91 so unique for the sub-£5,000 projection market, but delivers enhancements to its predecessor's brightness and...

Beautiful, cinematic picture quality ; No need to change lamps ; Runs very quietly

Slow dynamic contrast system ; Expensive ; Slightly high input lag

Sep, 2015

Recommended by TR

Expert review by : John Archer (

Optoma HD91


LED home cinema projection finally becomes affordable.

Huge lamp life ; Runs quietly ; Excellent colour performance

Average black level response ; Very high levels of input lag ; 3D pictures lack brightness

Unfortunately, while the DynamicBlack options deliver the most consistently satisfying contrast performance, as we’ll see in the performance section they cause too many problems to be usable when watching films. So we’re left to suggest that you use...

Apr, 2014

Expert review by : bidmead (

Optoma's HD91 Projector: Farewell to That Hot Lamp. : Optoma HD91


The Achilles heel of home projectors in the past has always been the lamp - short-lived, expensive to replace and generating heat that typically needs a noisy fan to disperse. For the past five years or so a solution has been waiting in the wings. LED...

Like the previous two projectors I've reviewed here, the Optoma HD91 could be described as an entry-level offering. But compared to the Epson EH-TW490 and the Viewsonic PJD7820HD it's by no means cheap. This is because it's an entry into a much higher...

Mar, 2014

Expert review by : Chris Eberle (

Optoma HD91+ LED Projector Review


Today I'm looking at a breakthrough projector from the Optoma – the HD91+. It sports full home theater cred with accurate color, 3D and a DarkChip 3 DLP...

Stunning image with great saturation and clarity ; Top-shelf accuracy thanks to well-designed calibration controls ; LED light engine ; Generous lens shift ; Super-Quiet ; Slim Lightweight Chassis ; Good Contrast ; Motorized Focus ; Brighter 3D

Motorized Focus ; Brighter 3D

THE OPTOMA HD91+ is the latest in Best Value in High-End LED/DLP Projectors.

Oct, 2015

Expert review by : Projector reviews (

Expert Review


The HD91 home theater projector is one that can be an excellent choice for some.  Limited brightness, and the need for a serious calibration though will limit the number of folks who this projector will be a really good fit for.  First, if you aren’t...

Jun, 2014

Product Specifications


RoHS compliance: Yes


Cable lock slot: Yes
Cable lock slot type:Kensington
Ceiling mountable: Yes
Ceiling mounting supported:Y
Colour of product:Black
Form factor:Desktop
Product Type:Desktop projector


Built-in Display: No


Bulb power:147
Lamp Type:LED
Service life of lamp:20000

Lens System

Aperture range (F-F):2.3 - 3.39
Focal length range (f-f):22.6 - 42.9
Horizontal lens shift range:-10 - 10
Optical Zoom:1.9
Throw ratio:1.5 - 2.89:1
Vertical lens shift range:-60 - 60


Ethernet LAN: No
Wi-Fi: No

Operational conditions

Operating temperature (T-T):5 - 40

Packaging Content

3D glasses included: Yes
AC adapter included: Yes
Batteries included: Yes
Cables included:AC
Handheld remote control: Yes
Manual: Yes
Quick start guide: Yes
Remote control type:iR


Horizontal scan range:15.375 - 91.146
Noise Level:23
Noise level (economic mode):23
On Screen Display (OSD): Yes
On Screen Display (OSD) languages:Martin Gaus
Vertical scan range:24 - 144 / 24 - 85

Ports & interfaces

Component video (YPbPr/YCbCr) in:1
Composite Video In:1
DVI port: No
HDMI connector type:Full-size
HDMI ports quantity:2
HDMI Version:1.4a
PC in (D-Sub): Yes
RS-232 ports:1
USB 2.0 ports quantity:1 / 2
USB connector type:USB Type-A
VGA (D-Sub) ports quantity:1


AC adapter input voltage:110 - 220
AC input voltage:110 - 220
Power consumption (economy mode):120
Power consumption (max):225 / 245
Power Consumption (Standby):0.5
Power consumption (typical):150
Power Source:AC


Contrast ratio (dynamic):500000:1
Keystone correction, vertical:20000 / ±30
Native Aspect Ratio:16:9
Number of Colours:1.073 billion colours
Projection distance:1.3 - 17 / 1.5 - 19
Projection Technology:DLP
Projector brightness:1000 / 1500
Projector native resolution:1080p (1920x1080)
Screen size compatibility:762 - 7620
Supported aspect ratios:16:9, 4:3 / 4:3, 16:9
Zoom capability:Manual
Zoom ratio:1.92:1


Card reader integrated: No

Technical Details

Contrast Ratio:600000:1
RS-232C: Yes


3D: Yes
3D-Ready: Yes
Analog signal format system:PAL, SECAM, NTSC / Windows 2000/XP\nMac Y 9.0 +
Full HD: Yes
HD-Ready: Yes
Supported 3D formats:Side by side, Top and bottom
Supported graphics resolutions:1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1366 х 768, 1600 x 1200 (UXGA), 1920 x 1080 (HD 1080), 640 x 480 (VGA), 800 x 600 (SVGA)
Supported video modes:1080i, 1080p, 480i, 480p, 576i, 576p, 720p / 480i, 720p, 480p, 1080i, 1080p

Weight & Dimensions

Height :16.1
Weight:6.99 / 7