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Optoma HD421X
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Optoma HD421X Projector

1080p (1920x1080) 3,200 ANSI Lumens 1600 X 1200 (UXGA) Jan 2015
Projector Native Resolution 3D Projector Brightness Supported Graphics Resolutions Release Date
£78.36 Electricity cost over 5 years. Calculate
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8 Reasons For

Running Costs Are Low

The HD421X is one of the more economic to run projectors of this spec and age that we have analysed for 1 year running costs. Based on average energy prices and usage levels, we estimate the 1 year running cost of the HD421X is only £79.

Good Brand

On average Optoma data projectors have good reviews compared to other manufacturers as do all projectors manufactured by Optoma.

Supports Full HD

The Optoma HD421X supports full HD. Most of the other projectors of a comparable spec and age to the HD421X do not support full HD.

We think you might also be interested in some of the other data projectors which support full HD currently available including the Benq W7000+[plb_1403580_price], or the Panasonic PT-AE8000U[plb_1897386_price] which has better reviews.

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Has a Built-In Speaker(s)

The Optoma HD421X has a built-in speaker(s). Most of the other comparable spec projectors that have been available for around the same time as the HD421X also have a built-in speaker(s).

Other projectors with a built-in speaker(s) currently available that you might also want to look at include because of it's better review score, the Acer H7531D[plb_1418806_price].

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Supports 3D

The Optoma HD421X supports 3D, as do most of the other data projectors that were released around the same time as the HD421X.

It may also be worth also looking at one of the alternative data projectors which support 3D currently available including the Benq W7000+[plb_1403580_price], or the Sony VPL-HW40ES[plb_2298294_price] which has better reviews.

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1080p (1920x1080) Projector Native Resolution

This projector has a projector native resolution of 1080p (1920x1080), which is typical of many data projectors that came out around the same time as it.

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1600 X 1200 (UXGA) Supported Graphics Resolutions

The highest resolution supported by the Optoma HD421X is 1600 x 1200 (UXGA). That's over six times the resolution of a 640 x 480 (VGA) projector, which is the most frequently found resolution supported by comparable spec projectors that have been available for around the same time as the HD421X. 640 x 480 (VGA) is also supported by this Optoma multimedia projector. This multimedia projector also support supported graphics resolutionss of 1024 x 768 (XGA), 1280 x 1024 (SXGA) and 1280 x 720 (HD 720) and 1280 x 768 (WXGA). Across all multimedia projectors of a comparable age and type to the HD421X the best resolution is 1920 x 1200 (WUXGA) and the worst is 640 x 480 (VGA).

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Very High Number of Colours

The numbers of colours of data projectors that have been available for around the same time as the HD421X range from 1M to 1,100M. With a number of colours of 1,073.4 million, the Optoma HD421X has a very high number of colours compared to most of the other data projectors that were launched around the same time as the HD421X.

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2 Reasons Against

Does Not Support Wi-Fi

The Optoma HD421X does not support wi-Fi, although it is worth noting that most of the other projectors of this age and type also do not support wi-Fi.

We think you might also be interested in alternative multimedia projectors which also support wi-Fi including the Benq GP20[plb_2231335_price] which also has a higher rating.

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Very Small Bulb Power

Comparable spec data projectors that are a similar age to the HD421X have bulb powers of between 140W and 580W. With a bulb power of only 190 Watts, the Optoma HD421X has one of the smaller bulb powers amongst data projectors of this age.

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2 Other reasons to consider the Optoma HD421X

Released Over Two Years Ago

This Optoma projector was released over two years ago.

Average Projector Brightness

At 3,200 ANSI lumens, the Optoma HD421X has a relatively typical projector brightness compared to most of the other data projectors that came out more than two years ago.

There are a number of other 3,200 ANSI lumens brightness projectors currently available which you might want to look at including because of it's better review score, the Optoma S311[plb_2591380_price].

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Specification

Projector
Projector Native Resolution
Projector Brightness
Keystone Correction, Vertical
Uniformity
Number of Colours
Zoom Ratio
Contrast Ratio (dynamic)
Projection Distance
Supported Aspect Ratios
Screen Size Compatibility
Native Aspect Ratio
Projection Technology
Number of Colours
Lamps
Bulb Power
Service Life of Lamp
Lens System
Throw Ratio
Offset
Aperture Range (F-F)
Focal Length Range (f-F)
Focus
Video
3D
Supported Graphics Resolutions
Full HD
Supported Video Modes
Supported 3D Formats
Ports & Interfaces
Audio (L,R) Out
USB Connector Type
USB 2.0 Ports Quantity
HDMI Ports Quantity
HDMI Connector Type
Performance
Noise Level (economic Mode)
Horizontal Scan Range
Vertical Scan Range
On Screen Display (OSD) Languages
On Screen Display (OSD)
Password Protection
Multimedia
Built-In Speaker(s)
RMS Rated Power
Design
Ceiling Mountable
Form Factor
Colour of Product
Product Type
Display
Built-In Display
Power
Power Source
Power Consumption (standby)
Power Consumption (typical)
Power Consumption (economy Mode)
AC Adapter Input Voltage
AC Input Voltage
Operational Conditions
Operating Altitude
Operating Relative Humidity (H-H)
Operating Temperature (T-T)
Certificates
RoHS Compliance
Weight & Dimensions
Weight
Height
Depth
Width
Packaging Content
Manual
Remote Control Type
Handheld Remote Control
Batteries Included
Quick Start Guide
Warranty Card
Cables Included

Running Cost

Hours of Use Per Day: hours
Show running costs over: years
Electricity cost when switched on £74.67
Electricity cost when on standby £3.69
@ £0.139 per kwh - Edit electricity price and usage
kwh per hour
kwh per hour left on standby
Electricity price £per kilowatt hour
Annual electricity price inflation %
Water cost when switched on
@ £0.003474 per litre - Edit water usage and price
litres per hour
Water price £per litre
Annual water price inflation %
Submit Energy Consumption Figures
Total running cost over 5 years £78.36
Running costs for this projector have been estimated based on other similar projectors. If you know how much electricity and water the Optoma HD421Xuses then please let us know by entering those figures in the boxes above.
0.39T
Running this projector over 5 years will generate 0.39 tonnes of carbon dioxide (CO2).
10
To offset that much CO2 you would need to plant 10 tree seedlings and grow them for 10 years.

Product Identifiers

Manufacturer Part Numbers optoma technology hd421, optoma technology hd421x
Barcodes 05055387600355

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See How Other Projectors Compare to the Optoma HD421X

Benq GP30 vs Optoma HD421X

Benq GP30 vs Optoma HD421X
Benq GP30 Optoma HD421X
£ 599.00
Significantly Lower Power Consumption in Economy Mode
61% Cheaper to Run
Bigger Dynamic Contrast Ratio
Significantly Shorter
One Less HDMI Port
Significantly Lower RMS Rated Power

Optoma HD50 vs Optoma HD421X

Optoma HD50 vs Optoma HD421X
Optoma HD50 Optoma HD421X
£ 999.00
50000:1 Dynamic Contrast Ratio
1.5:1 Zoom Ratio
Higher Resolution
One More USB 2.0 Port
1,000 ANSI Lumens Dimmer Projector Brightness
A Lot Heavier

Optoma EH320USTi vs Optoma HD421X

Optoma EH320USTi vs Optoma HD421X
Optoma EH320USTi Optoma HD421X
£ 1,879.20
Two USB 2.0 Ports
38% Higher RMS Rated Power
27% Bigger Lamp Power
20% Brighter Projector Brightness
3,500h Shorter Lamp Service Life
Heavier
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