OVERALL
SPECS
VS AVERAGE
REVIEWS
ALTERNATIVES

ViewSonic LS820 Review | 85 Data compared

double-arrow
  • Avg. price in UK: ~£2,640
  • Avg. price in US: ~$2,270
  • ANSI lumens: 3500
  • Native panel resolution: 1920x1080
  • Throw ratio: 0.23:1

ViewSonic LS820 review. Compare 85 technical specifications and user reviews to see how it ranks among projectors and if it is worth buying.

6.0

Overall score

What it is: An overall evaluation of the projector's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best projectors on the market.

Score components:

90.0%

6.0

Technical Score

10.0%

?

User score

Good
6.0

Technical Score

What it is: An assessment of the projector's technical performance, covering eight key areas: image quality, brightness, contrast, connectivity, gaming features, smart features, audio, and design.

When it matters: When you want to compare projectors based on technical performance and available features.

Score components:

42.0%

7.4

Image Quality

22.0%

4.4

Projection & Lens

12.0%

3.7

HDMI & Gaming

10.0%

6.9

Audio & Features

8.0%

4.0

Connectivity

6.0%

7.3

Design & Power

Good
?

User score

What it is: A rating that combines user reviews and the total number of reviews received by the projector.

When it matters: When you want to know how a projector performs in real use and how reliable it remains over time according to user feedback.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 7.1
    Gaming

    Score components:

    35.0%

    5.5

    Input lag

    25.0%

    10

    Refresh rate

    20.0%

    8.6

    Output Resolution

    10.0%

    1.0

    HDR10 support

    10.0%

    8.0

    Audio output power

  • 2.8
    Portable

    Score components:

    35.0%

    2.0

    Weight

    20.0%

    ?

    Has A Built-In Speaker

    15.0%

    1.0

    Bluetooth connectivity

    15.0%

    1.0

    Wi-Fi connectivity

    15.0%

    1.0

    Smart TV features

  • 5.3
    Home theatre

    Score components:

    30.0%

    8.6

    Output Resolution

    25.0%

    1.0

    HDR10 support

    20.0%

    1.0

    Dolby Vision support

    15.0%

    9.5

    ANSI lumens

    10.0%

    8.6

    Audible noise

  • viewsonic-ls820
  • viewsonic-ls820
  • viewsonic-ls820
  • viewsonic-ls820
  • viewsonic-ls820
  • viewsonic-ls820
  • viewsonic-ls820
viewsonic-ls820
viewsonic-ls820
viewsonic-ls820
viewsonic-ls820
viewsonic-ls820
viewsonic-ls820
viewsonic-ls820

Best prices in UK

    N/A~ £2,640

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The ViewSonic LS820 is an ultra-short-throw laser projector featuring a native Full HD (1920x1080) resolution and 3,500 ANSI lumens of brightness, making it suitable for environments with ambient light. It utilizes a laser phosphor light source with a lifespan of up to 20,000 hours in Eco mode and offers a high dynamic contrast ratio of 100,000:1 alongside Rec. 709 color accuracy. Main pros include its remarkable 0.23 throw ratio that projects a 100-inch image from just inches away, maintenance-free operation, and integrated dual 8W speakers with SonicExpert technology for enhanced audio. However, notable cons include a lack of 4K support, noticeable fan noise in quiet rooms, and relatively high input lag of 50ms, which may not satisfy competitive gamers.

Technical Specifications of ViewSonic LS820

Technical Score

What it is: An assessment of the projector's technical performance, covering eight key areas: image quality, brightness, contrast, connectivity, gaming features, smart features, audio, and design.

When it matters: When you want to compare projectors based on technical performance and available features.

Score components:

42.0%

?

Image Quality

22.0%

?

Projection & Lens

12.0%

?

HDMI & Gaming

10.0%

?

Audio & Features

8.0%

?

Connectivity

6.0%

?

Design & Power

6.0
ViewSonic LS820 has a technical score of 5.97 points, which is higher than 52.9% of projectors.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the projector.

When it matters: When you want to know how a projector performs in real use and how reliable it remains over time according to user feedback.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by the projector.
When it matters: When you prefer to buy a product chosen and reviewed by many other consumers.
1.0
ViewSonic LS820 has a popularity of 1 points, which is lower than 55.3% of products in this category.
Ratio quality/price

What it is: An indicator that combines the projector's overall rating with its cost.

When it matters: When you are looking for a projector with a good balance between quality and price.

Score components:

60.0%

6.0

Overall score

40.0%

1.0

Price

4.5
ViewSonic LS820 has a quality-to-price ratio of 4.5 points, which is lower than 91.8% of products in this category.
ANSI lumens
What it is: Brightness output measured in ANSI lumens.
When it matters: When you watch with ambient light or on a large screen, higher brightness matters.

Importance: HIGH

3,500
ViewSonic LS820 reaches 3500 ANSI lumens, brighter than 79% of projectors and equal to 3.1% of projectors.
Contrast ratio
What it is: Ratio of brightest white to darkest black displayed by the projector.
When it matters: When you watch movies in a dark room, stronger contrast matters.

Importance: HIGH

100,000:1
ViewSonic LS820 has a contrast ratio of 100000:1, higher than 71.6% of projectors and equal to 3.8% of projectors.
Dynamic contrast ratio.
Native panel resolution
What it is: Native resolution of the display panel or imaging device.
When it matters: When picture sharpness matters enough that you want to know the projector's true native imaging resolution, not just supported input formats.

Importance: HIGH

1920x1080
ViewSonic LS820 uses a native resolution of 1920x1080, higher than 26.2% of projectors and equal to 60.1% of projectors.
Output Resolution
What it is: The resolution the projector can actually display through its imaging system.
When it matters: When you want to know the actual image detail the projector can put on screen rather than just the source format it accepts.

Importance: HIGH

1920x1080
ViewSonic LS820 supports output resolution up to 1920x1080, higher than 24.9% of projectors and equal to 41% of projectors.
Projection technology
What it is: Projection imaging technology used by the projector.
When it matters: When color character, contrast behavior, and overall image personality matter before you compare brightness alone.

Importance: MEDIUM

DLP
Show more
Throw ratio
What it is: Ratio between projection distance and image width.
When it matters: When room size and screen size have to match properly instead of guessing whether the projector will fit the space.

Importance: MEDIUM

0.23:1
Min throw distance
What it is: Minimum distance required between projector and screen.
When it matters: When room depth is limited and you still need a large image from a short placement distance.

Importance: MEDIUM

0.37 m
ViewSonic LS820 needs a minimum throw distance of 0.37 m, shorter than 94.9% of projectors.
Max projection size
What it is: Maximum supported image size for projection, measured diagonally.
When it matters: When you want a cinema-size picture, maximum projection size matters.

Importance: MEDIUM

150 inch
ViewSonic LS820 supports projection sizes up to 150 inch, smaller than 67.7% of projectors and equal to 10% of projectors.
Zoom ratio
What it is: Optical zoom capability expressed as a ratio.
When it matters: When projector placement is not ideal and you need optical zoom to frame the image correctly.

Importance: MEDIUM

N/A
Motorized zoom
What it is: Motorized control of the optical zoom function.
When it matters: When the projector position is fixed but screen size or framing still needs to be adjusted from a distance.

Importance: LOW

no
ViewSonic LS820 does not have motorized zoom. 16.3% of projectors have motorized zoom.
Show more
Input lag
What it is: Time delay between input signal and displayed image, measured in milliseconds.
When it matters: When gaming responsiveness matters and you want controls to feel more immediate on fast titles.

Importance: MEDIUM

50 ms
ViewSonic LS820 has input lag of 50 ms, higher than 76.5% of projectors and equal to 2.9% of projectors.
Auto low latency mode (ALLM)
What it is: Automatically reduces input lag when gaming.
When it matters: When you play fast games, lower latency matters.

Importance: LOW

no
ViewSonic LS820 does not support ALLM. 20.3% of projectors support ALLM.
Variable refresh rate (VRR)
What it is: Support for variable refresh rate to reduce screen tearing.
When it matters: When gaming matters and you want the projector to handle variable frame rates with less tearing or stutter.

Importance: LOW

no
ViewSonic LS820 does not support VRR. 1.9% of projectors support VRR.
HDMI version
What it is: Version of the HDMI standard supported.
When it matters: When source devices push newer HDMI features, refresh rates, or bandwidth levels that older ports may limit.

Importance: LOW

1.4
ViewSonic LS820 supports HDMI 1.4, older than 54.6% of projectors and equal to 34.1% of projectors.
Max HDMI bandwidth
What it is: Maximum bandwidth supported by HDMI inputs, measured in Gbps.
When it matters: When newer consoles, gaming PCs, or media boxes need more HDMI throughput than older projectors can handle.

Importance: LOW

10.2 Gbps
ViewSonic LS820 supports HDMI bandwidth up to 10.2 Gbps, lower than 52.1% of projectors and equal to 45.4% of projectors.
Show more
N. of HDMI ports
What it is: Number of available HDMI input ports.
When it matters: When you need a console, streamer, set-top box, and another source connected at the same time without swapping cables.

Importance: LOW

2
ViewSonic LS820 has 2 HDMI port/s, more than 45.5% of projectors and equal to 47% of projectors.
Wi-Fi connectivity
What it is: Support for Wi-Fi network connectivity.
When it matters: When the projector should handle network features, updates, or streaming functions without needing wired Ethernet only.

Importance: LOW

no
ViewSonic LS820 does not support Wi-Fi. 52.7% of projectors support Wi-Fi.
Wi-Fi version
What it is: Supported Wi-Fi standard version.
When it matters: When wireless stability and throughput matter for streaming, updates, or projector ecosystem features.

Importance: LOW

N/A
Bluetooth connectivity
What it is: Support for Bluetooth wireless connectivity.
When it matters: When you plan to pair wireless speakers, headphones, remotes, or other accessories directly with the projector.

Importance: LOW

no
ViewSonic LS820 does not support Bluetooth. 50% of projectors support Bluetooth.
Bluetooth version
What it is: Supported Bluetooth version.
When it matters: When wireless accessory compatibility and connection quality matter beyond Bluetooth being a simple checkbox.

Importance: LOW

N/A
Show more
Smart TV features
What it is: Includes built-in Smart TV functions or operating system.
When it matters: When you prefer built-in apps and streaming convenience instead of adding an external media stick or box.

Importance: LOW

no
ViewSonic LS820 does not have smart TV features. 43.8% of projectors have smart TV features.
Operating system
What it is: The built-in software platform that runs the projector interface, streaming apps, and smart features.
When it matters: When you care about which apps are available, how modern the smart interface feels, and whether the projector includes a built-in streaming platform.

Importance: LOW

none
Android OS

Importance: MEDIUM

no
Dedicated smartphone app
What it is: Availability of a dedicated smartphone control app.
When it matters: When you want setup, input switching, or basic control handled from your phone without always reaching for a remote.

Importance: LOW

yes
ViewSonic LS820 comes with a dedicated smartphone app. 64.5% of projectors come with a dedicated smartphone app.
vRemote app.
Remote control
What it is: Comes with a dedicated remote control for operation.
When it matters: When you want easier everyday control without extra gear, built-in convenience features matter.

Importance: LOW

yes
ViewSonic LS820 includes a remote control. 1.6% of projectors include a remote control.
Show more
Light source type
What it is: Type of light source used by the projector.
When it matters: When maintenance expectations, startup behavior, brightness stability, and long-term running costs all matter in the buying decision.

Importance: LOW

laser
ViewSonic LS820 uses laser light source technology, more advanced than 74% of projectors and equal to 26% of projectors.
Laser Phosphor.
Laser Light Source
What it is: Whether the projector uses a laser light source instead of a traditional lamp.
When it matters: When lower maintenance, faster startup, and a lamp-free light engine matter over the long term.

Importance: LOW

yes
ViewSonic LS820 uses a laser light source. 72% of projectors use a laser light source.
Laser Phosphor.
Lamp life
What it is: Expected operational lifespan of the lamp in standard mode, measured in hours.
When it matters: When you care about running costs and maintenance intervals, light-source lifespan matters.

Importance: LOW

15,000 hours
ViewSonic LS820 offers lamp life of 15000 hours, longer than 65.9% of projectors and equal to 0.6% of projectors.
Lamp life (eco mode)
What it is: Expected operational lifespan of the lamp in eco mode, measured in hours.
When it matters: When you care about running costs and maintenance intervals, light-source lifespan matters.

Importance: LOW

20,000 hours
ViewSonic LS820 offers eco-mode lamp life of 20000 hours, shorter than 32.8% of projectors and equal to 19.5% of projectors.
Operating power consumption
What it is: Average power consumption during normal operation.
When it matters: When electricity use and heat output matter because the projector runs for long sessions or frequent daily use.

Importance: LOW

450 W
ViewSonic LS820 uses 450 W of power, more than 95.4% of projectors and equal to 0.4% of projectors.
Show more

ViewSonic LS820 vs the average projector

  • 59.1% brighter image
    ViewSonic LS820 has higher ANSI lumens than the average projector (3,500 vs 2,200). The average projector has 2,200 ANSI lumens.
    What it is: Brightness output measured in ANSI lumens.
    When it matters: When you watch with ambient light or on a large screen, higher brightness matters.

    Importance: HIGH

    ViewSonic LS820 has higher ANSI lumens than the average projector (3,500 vs 2,200). The average projector has 2,200 ANSI lumens.3,500 vs 2,200
  • Higher contrast ratio
    ViewSonic LS820 has a higher contrast ratio than the average projector (100000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    Dynamic contrast ratio.
    What it is: Ratio of brightest white to darkest black displayed by the projector.
    When it matters: When you watch movies in a dark room, stronger contrast matters.

    Importance: HIGH

    ViewSonic LS820 has a higher contrast ratio than the average projector (100000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.100,000:1 vs 10,000:1
  • 0.69 m shorter throw distance
    ViewSonic LS820 has a lower throw distance than the average projector (0.4 m vs 1.06 m). The average projector has 1.06 m of throw distance.
    What it is: Minimum distance required between projector and screen.
    When it matters: When room depth is limited and you still need a large image from a short placement distance.

    Importance: MEDIUM

    ViewSonic LS820 has a lower throw distance than the average projector (0.4 m vs 1.06 m). The average projector has 1.06 m of throw distance.0.37 m vs 1.06 m
  • Smartphone app support
    ViewSonic LS820 supports smartphone app control, while the average projector does not. 35.6% of projectors support smartphone app control.
    vRemote app.
    What it is: Availability of a dedicated smartphone control app.
    When it matters: When you want setup, input switching, or basic control handled from your phone without always reaching for a remote.

    Importance: LOW

    ViewSonic LS820 supports smartphone app control, while the average projector does not. 35.6% of projectors support smartphone app control.
  • 2 more audio input ports
    ViewSonic LS820 has more audio input ports than the average projector (2 vs 0). The average projector has 0 audio input ports.
    Includes RCA stereo input.
    What it is: Number of analog audio input ports available.
    When it matters: When you connect several devices at the same time, port count matters.

    Importance: LOW

    ViewSonic LS820 has more audio input ports than the average projector (2 vs 0). The average projector has 0 audio input ports.2 vs 0
  • Built-in stereo speakers
    ViewSonic LS820 has stereo speakers, while the average projector does not. 48.9% of projectors have stereo speakers.
    What it is: Built-in stereo speakers for audio playback.
    When it matters: When casual use should include left-right sound without automatically adding an external audio setup.

    Importance: LOW

    ViewSonic LS820 has stereo speakers, while the average projector does not. 48.9% of projectors have stereo speakers.
  • Uses laser light source
    ViewSonic LS820 uses a laser light source, while the average projector does not. 28.1% of projectors use a laser light source.
    Laser Phosphor.
    What it is: Whether the projector uses a laser light source instead of a traditional lamp.
    When it matters: When lower maintenance, faster startup, and a lamp-free light engine matter over the long term.

    Importance: LOW

    ViewSonic LS820 uses a laser light source, while the average projector does not. 28.1% of projectors use a laser light source.
  • 2 more USB ports
    ViewSonic LS820 has more USB ports than the average projector (3 vs 1). The average projector has 1 USB ports.
    What it is: Number of available USB ports.
    When it matters: When the projector needs to power accessories, read media, or support extra peripherals directly.

    Importance: LOW

    ViewSonic LS820 has more USB ports than the average projector (3 vs 1). The average projector has 1 USB ports.3 vs 1
  • 59.1% brighter image
    ViewSonic LS820 has higher ANSI lumens than the average projector (3,500 vs 2,200). The average projector has 2,200 ANSI lumens.
  • Higher contrast ratio
    ViewSonic LS820 has a higher contrast ratio than the average projector (100000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
  • 41.2% higher refresh rate
    ViewSonic LS820 has a higher refresh rate than the average projector (120 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.
  • 0.18 inch larger DMD chip
    ViewSonic LS820 has a higher DMD chip size than the average projector (0.7 inch vs 0.47 inch). The average projector has 0.47 inch of DMD chip size.
  • 0.69 m shorter throw distance
    ViewSonic LS820 has a lower throw distance than the average projector (0.4 m vs 1.06 m). The average projector has 1.06 m of throw distance.
  • Motorized focus
    ViewSonic LS820 supports motorized focus, while the average projector does not. 47.2% of projectors support motorized focus.
  • 2 more USB ports
    ViewSonic LS820 has more USB ports than the average projector (3 vs 1). The average projector has 1 USB ports.
  • 1 more RJ45 ports
    ViewSonic LS820 has more RJ45 ports than the average projector (1 vs 0). The average projector has 0 RJ45 ports.
  • Includes VGA
    ViewSonic LS820 includes VGA input, while the average projector does not. 43.1% of projectors include VGA input.
  • Smartphone app support
    ViewSonic LS820 supports smartphone app control, while the average projector does not. 35.6% of projectors support smartphone app control.
  • 2 more audio input ports
    ViewSonic LS820 has more audio input ports than the average projector (2 vs 0). The average projector has 0 audio input ports.
  • Built-in stereo speakers
    ViewSonic LS820 has stereo speakers, while the average projector does not. 48.9% of projectors have stereo speakers.
  • 60% stronger audio output
    ViewSonic LS820 has a higher audio output power than the average projector (16 W vs 10 W). The average projector has 10 W of audio output power.
  • Uses laser light source
    ViewSonic LS820 uses a laser light source, while the average projector does not. 28.1% of projectors use a laser light source.
  • 2 dB quieter operation
    ViewSonic LS820 has a lower audible noise than the average projector (28 dB vs 30 dB). The average projector has 30 dB of audible noise.

Total
Image Quality
Projection & Lens
Connectivity
Audio & Features
Design & Power
  • No HDR10 support
    ViewSonic LS820 does not support HDR10, while the average projector does. 56.3% of projectors support HDR10.
  • 100 inch smaller image size
    ViewSonic LS820 has a lower projection size than the average projector (150 inch vs 250 inch). The average projector has 250 inch of projection size.
  • Limited HDMI format
    ViewSonic LS820 supports a less capable max HDMI input format than the average projector (1080p/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
  • 43.3% lower HDMI bandwidth
    ViewSonic LS820 has a lower HDMI bandwidth than the average projector (10.2 Gbps vs 18 Gbps). The average projector has 18 Gbps of HDMI bandwidth.
  • Older HDMI version
    ViewSonic LS820 has Old HDMI standard than the average projector (1.4 vs 2.0). The average projector supports HDMI 2.0.
  • 23 ms higher input lag
    ViewSonic LS820 has a higher input lag than the average projector (50 ms vs 27 ms). The average projector has 27 ms of input lag.
  • Old HDCP version
    ViewSonic LS820 has Old HDCP version than the average projector (1.4 vs 2.2). The average projector supports HDCP 2.2.
  • No Wi-Fi support
    ViewSonic LS820 does not support Wi-Fi, while the average projector does. 52.6% of projectors support Wi-Fi.
  • 4.39x heavier weight
    ViewSonic LS820 is heavier than the average projector (13.6 kg vs 3.1 kg). The average projector weighs 3.1 kg.
  • 216.1 W higher power use
    ViewSonic LS820 uses more power than the average projector (450 W vs 233.9 W). The average projector uses 233.9 W of power.
  • 208.5 mm wider body
    ViewSonic LS820 is wider than the average projector (508 mm vs 299.5 mm). The average projector has a width of 299.5 mm.
  • 5,000 hours shorter lamp life
    ViewSonic LS820 has a lower lamp life than the average projector (15,000 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life.
  • 5 older model
    ViewSonic LS820 was released earlier than the average projector (2,016 vs 2,021). The average projector was released in 2,021.
    September 2016
  • No HDR10 support
    ViewSonic LS820 does not support HDR10, while the average projector does. 56.3% of projectors support HDR10.
    What it is: Support for HDR10 high dynamic range standard.
    When it matters: When you want the projector to handle mainstream HDR movie and streaming content instead of standard dynamic range only.

    Importance: MEDIUM

    ViewSonic LS820 does not support HDR10, while the average projector does. 56.3% of projectors support HDR10.
  • Limited HDMI format
    ViewSonic LS820 supports a less capable max HDMI input format than the average projector (1080p/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
    What it is: Highest HDMI input format supported by the projector.
    When it matters: When you want to confirm the exact signal format the projector can accept from high-end modern sources.

    Importance: MEDIUM

    ViewSonic LS820 supports a less capable max HDMI input format than the average projector (1080p/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.1080p/60Hz vs 4K/120Hz
  • 43.3% lower HDMI bandwidth
    ViewSonic LS820 has a lower HDMI bandwidth than the average projector (10.2 Gbps vs 18 Gbps). The average projector has 18 Gbps of HDMI bandwidth.
    What it is: Maximum bandwidth supported by HDMI inputs, measured in Gbps.
    When it matters: When newer consoles, gaming PCs, or media boxes need more HDMI throughput than older projectors can handle.

    Importance: LOW

    ViewSonic LS820 has a lower HDMI bandwidth than the average projector (10.2 Gbps vs 18 Gbps). The average projector has 18 Gbps of HDMI bandwidth.10.2 Gbps vs 18 Gbps
  • No Wi-Fi support
    ViewSonic LS820 does not support Wi-Fi, while the average projector does. 52.6% of projectors support Wi-Fi.
    What it is: Support for Wi-Fi network connectivity.
    When it matters: When the projector should handle network features, updates, or streaming functions without needing wired Ethernet only.

    Importance: LOW

    ViewSonic LS820 does not support Wi-Fi, while the average projector does. 52.6% of projectors support Wi-Fi.
  • 100 inch smaller image size
    ViewSonic LS820 has a lower projection size than the average projector (150 inch vs 250 inch). The average projector has 250 inch of projection size.
    What it is: Maximum supported image size for projection, measured diagonally.
    When it matters: When you want a cinema-size picture, maximum projection size matters.

    Importance: MEDIUM

    ViewSonic LS820 has a lower projection size than the average projector (150 inch vs 250 inch). The average projector has 250 inch of projection size.150 inch vs 250 inch
  • Older HDMI version
    ViewSonic LS820 has Old HDMI standard than the average projector (1.4 vs 2.0). The average projector supports HDMI 2.0.
    What it is: Version of the HDMI standard supported.
    When it matters: When source devices push newer HDMI features, refresh rates, or bandwidth levels that older ports may limit.

    Importance: LOW

    ViewSonic LS820 has Old HDMI standard than the average projector (1.4 vs 2.0). The average projector supports HDMI 2.0.1.4 vs 2.0
  • 23 ms higher input lag
    ViewSonic LS820 has a higher input lag than the average projector (50 ms vs 27 ms). The average projector has 27 ms of input lag.
    What it is: Time delay between input signal and displayed image, measured in milliseconds.
    When it matters: When gaming responsiveness matters and you want controls to feel more immediate on fast titles.

    Importance: MEDIUM

    ViewSonic LS820 has a higher input lag than the average projector (50 ms vs 27 ms). The average projector has 27 ms of input lag.50 ms vs 27 ms
  • 4.39x heavier weight
    ViewSonic LS820 is heavier than the average projector (13.6 kg vs 3.1 kg). The average projector weighs 3.1 kg.
    What it is: Total weight of the projector including lamp and lens.
    When it matters: When you move the projector between rooms or setups, lower weight matters.

    Importance: LOW

    ViewSonic LS820 is heavier than the average projector (13.6 kg vs 3.1 kg). The average projector weighs 3.1 kg.13.6 kg vs 3.1 kg
Total
Overall
Image Quality
Projection & Lens
HDMI & Gaming
Connectivity
Design & Power

Graphic comparison of ViewSonic LS820 and

Attribute category
Attribute
No results found

Third-party reviews

What customers like about ViewSonic LS820?

  • Ultra-short throw (0.23 ratio) allows for 100-inch projection just inches from the wall
  • High brightness (3,500 lumens) makes it effective even in rooms with ambient light
  • Laser-phosphor light source offers long lifespan (up to 20,000 hours in Eco mode)
  • Excellent color accuracy and vibrant images straight out of the box
  • Strong built-in audio performance with dual 10-watt speakers
  • Comprehensive three-year parts and labor warranty

What customers dislike about ViewSonic LS820?

  • Audible fan noise even in Eco mode, which may be distracting during quiet scenes
  • Subpar 3D performance with muted colors and limited adjustment options
  • Noticeable 'rainbow effect' artifacts for users sensitive to DLP technology
  • Black levels are not deep enough for a dedicated dark home theater environment
  • Input lag (50ms) is too high for competitive or serious gaming
  • Large and heavy physical footprint compared to newer portable alternatives
  • Difficulty in obtaining replacement laser parts as the light source is not user-replaceable

Expert reviews

P
projectorcentral.com
07/10/2016
Review: ViewSonic LS820 Home Theater Projector

The ViewSonic LS820 is a full HD (1080p) ultra short throw laser projector built for ambient light spaces like family rooms, offering an alternative to large-screen TVs. Boasting a 3,500-lumen brightness rating, it produces vibrant, accurate colors straight out of the box and maintains solid shadow detail and highlights. Its core advantages include an incredibly short throw distance...Read more

M
mondoprojos.fr
18/05/2018
XIAOMI MI UST LASER DLP TEST – Greg's Review (includes a direct and detailed comparison with the ViewSonic LS820)

The Xiaomi Mi Laser UST is a Full HD (1080p) ultra-short-throw projector with a laser light source that can downscale 4K HDR content, allowing it to display a massive 150-inch image from just 50 cm away. Tested in its Chinese version, the projector features a quad-core processor running MIUI TV, though it lacks an integrated TV tuner. While the initial out-of-the-box color accuracy...Read more

(Translated)Show original

Video reviews

Best alternatives

anker-nebula-x1
Anker Nebula X1

Projectors

8.6
xgimi-titan
XGIMI Titan

Projectors

8.6
jmgo-n3-ultra
JMGO N3 Ultra

Projectors

8.6
hisense-vidda-c5
Hisense Vidda C5

Projectors

8.3
No image
Hisense PX3 Pro

Projectors

7.9
No image
Dangbei S7 Ultra Max

Projectors

8.8
hisense-c2-ultra
Hisense C2 Ultra

Projectors

8.5
hisense-px2-pro
Hisense PX2 Pro

Projectors

7.9
No image
Hisense 100L9G

Projectors

7.2
No image
Leica Cine Play 1

Projectors

8.3
benq-w4000i
BenQ W4000i

Projectors

7.3
epson-eh-ls500b
Epson EH LS500B

Projectors

7.1

Compare ViewSonic LS820 with

VS
VS

Compare