OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Projectors Methodology v3.0
Projectors Methodology v3.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Projectors Methodology v3.0: the technical score from the specifications is the base, and independent expert and video reviews (up to ±0.5 points), owner opinions (up to ±0.3) and best-of lists (up to +0.3) move it up or down.
Explore Projectors Methodology v3.0

BenQ LK830ST review: 86 specs compared

Avg. price:~£2,130Native panel resolution:3840x2160ANSI lumens:4000Throw ratio:0.496:1Lamp life:20000 hours

BenQ LK830ST Review: Compare 86 technical specifications and 5 expert and video reviews to see how this product ranks in the Projectors category and whether it is worth buying.

BenQ LK830ST
7.5/10

Overall score

Score
7.5/ 10
✕
What it is
Our main score for this model, 1–10. It combines specs, best-of lists, expert reviews and owners.
How we count it
Parts: Technical score 35%, List score 30%, Reviews score 25%, Sentiment score 10%
Marks: Each part gets a mark out of 10. For reviews, lists and owners, a typical model in this category gets about 8 and the best one gets 10.
No data yet: A part with no data shows "?". It counts as the mark of a weaker model in this category (4 in 5 models with data score higher). This way, models with reviews, lists and owners usually come out ahead.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 76% of models
Score components

35%

7.6

Technical score

30%

?

List scoreNot enough data yet, so we use 7.5, the mark of a weaker model in this category

25%

7.6

Reviews score

10%

?

Sentiment scoreNot enough data yet, so we use 6.8, the mark of a weaker model in this category

â–²Better than 76% of projectors
5.6

Value for money

Value for money
5.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 89% of models
Score components

70%

7.5

Overall score

30%

1.0

Price

â–¼Worse than 89%
7.6

Technical score

Technical score
7.6/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 89% of models
Score components

42%

8.9

Image Quality

22%

6.6

Projection & Lens

12%

7.2

HDMI & Gaming

10%

5.4

Audio & Features

8%

7.0

Connectivity

6%

8.2

Design & Power

â–²Better than 89%
7.6

Reviews score

Reviews score
7.6/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves. Big test sites count more, short reviews half as much as full tests. A video review counts half.
Score: The average grade is 80% of the review mark; the number of reviews is the other 20% (1 review = 5, the typical number in this category = 8, the most-reviewed model = 10).
Enough data: With few reviews, the average grade is pulled toward the typical grade of this category. No reviews yet: 7.8 for now.
Share: Reviews count 25% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 53% of models

7.6

Mark 8.2 is below the typical mark 8.2 of this category, so it cannot lift the score above the technical score

80%

8.4

Average grade

20%

7.5

Popularity

Grades by review (5)
3 reviews: 2 with a printed score, 1 estimated from the review. 2 video reviews, each counting half as much as a written test. Reviews count 25% of the overall score.
User ratings collected online are not part of this score.
â–¼Worse than 53%
?

List score

List score
7.5/ 10
✕
What it is
How often independent test sites, magazines and video reviewers put this model in their best-of lists for this category.
How we count it
Points: The model in the most lists of this category gets 10; the others get 8 to 10 in proportion. In no list yet: 7.5. Lists count 30% of the overall score.
Enough data: Every list counts, even a single one. With fewer than 5 best-of lists in the category, this part is left out.
Lists with this model (0)
Not in any best-of list yet, so this part counts as 7.5. Models in a list get 8 to 10.
Not in any best-of list yet
  • benq-lk830st
benq-lk830st
Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.

What reviewers say about the BenQ LK830ST

Based on 3 · 2

Reviewers love the short throw distance, but most find the zoom and picture size options too limited.
Praised
Criticised
Pick a topic to see who said what
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Technical Specifications of projector BenQ LK830ST

Technical score
Technical score
7.6/ 10
✕
What it is
How good the specs are compared with the other models in this category, 1–10.
How we count it
Areas: We rate the specs in each area against the other models in this category.
Weighting: The areas that matter most to buyers count more. The shares are shown under Score components.
Share: The technical score is 35% of the overall score.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 89% of models
Score components:

42%

8.9

Image Quality

22%

6.6

Projection & Lens

12%

7.2

HDMI & Gaming

10%

5.4

Audio & Features

8%

7.0

Connectivity

6%

8.2

Design & Power

7.6
Reviews score
7.6
List score
?
Value for money
Value for money
5.6/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 89% of models
Score components:

70%

7.5

Overall score

30%

1.0

Price

5.6
ANSI lumens
4,000
Market range: <280 – >4k
This projector reaches 4,000 ANSI lumens, brighter than 83.9% of projectors and equal to 6.6% of projectors.
Contrast ratio
3,000,000:1
This projector has a contrast ratio of 3000000:1, higher than 93.1% of projectors and equal to 4.5% of projectors.
Native panel resolution
3840x2160
This projector uses a native resolution of 3840x2160, higher than 91.1% of projectors and equal to 4.7% of projectors.
Output resolution
3840x2160
This projector supports output resolution up to 3840x2160, higher than 71.2% of projectors and equal to 24.6% of projectors.
Projection technology
DLP
Show more
Throw ratio
0.496:1
Min throw distance
0.77 m
Market range: <0.5 m – >1.651 m
This projector needs a minimum throw distance of 0.77 m, shorter than 75.7% of projectors and equal to 0.1% of projectors.
Max projection size
300 inch
Market range: <120 inch – >301 inch
This projector supports projection sizes up to 300 inch, larger than 51.5% of projectors and equal to 38% of projectors.
Zoom ratio
N/A
Motorized zoom
no
This projector does not have motorised zoom. 14.8% of projectors offer this.
Show more
What reviewers say
Input lag
?
Auto low latency mode (ALLM)
no
This projector does not switch to low-latency mode automatically. 16.1% of projectors offer this.
Variable refresh rate (VRR)
no
This projector does not support variable refresh rate. 1.8% of projectors offer this.
HDMI version
2
This projector supports HDMI 2, more modern than 46.1% of projectors and equal to 35.9% of projectors.
Max HDMI bandwidth
18 Gbps
Market range: <10.2 Gbps – >48 Gbps
This projector supports HDMI bandwidth up to 18 Gbps, higher than 48.9% of projectors and equal to 39.7% of projectors.
Show more
N. of HDMI ports
2
Market range: <1 – >2
This projector has 2 HDMI port/s, more than 45.9% of projectors and equal to 47.3% of projectors.
Wi-Fi connectivity
no
This projector does not connect to Wi-Fi networks. 53.4% of projectors offer this.
Wi-Fi version
N/A
Bluetooth connectivity
?
Bluetooth version
N/A
Show more
Smart TV features
no
This projector does not have built-in smart TV features. 43.9% of projectors offer this.
Operating system
none
Android OS
no
This projector does not run Android OS. 19.1% of projectors run Android OS.
Dedicated smartphone app
no
This projector does not come with a dedicated smartphone app. 36.8% of projectors come with a dedicated smartphone app.
Remote control
yes
This projector includes a remote control. 1.5% of projectors offer this.
Show more
Light source type
laser
This projector uses laser light source technology, more advanced than 75.4% of projectors and equal to 24.6% of projectors.
Laser light source
yes
This projector has a laser light source. 73.3% of projectors offer this.
Lamp life
20,000 hours
Market range: <3.5k hours – >30k hours
This projector offers lamp life of 20,000 hours, shorter than 35.2% of projectors and equal to 25.8% of projectors.
Lamp life (eco mode)
?
Operating power consumption
230 W
Market range: <57 W – >390 W
This projector uses 230 W of power, less than 49.5% of projectors and equal to 0.8% of projectors.
Normal mode power draw.
Show more

BenQ LK830ST vs the average projector

246810TotalImage QualityProjection & LensHDMI & GamingConnectivityAudio & FeaturesDesign & Power
  • 81.8% brighter image
    This projector has higher ANSI lumens than the average projector (4,000 vs 2,200). The average projector has 2,200 ANSI lumens.
    4,000 vs 2,200
  • Higher contrast ratio
    This projector has a higher contrast ratio than the average projector (3000000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    3,000,000:1 vs 10,000:1
  • High native resolution
    This projector has a higher native panel resolution than the average projector (3840x2160 vs 1920x1080). The average projector has a native panel resolution of 1920x1080.
    3840x2160 vs 1920x1080
  • Higher output resolution
    This projector supports a higher output resolution than the average projector (3840x2160 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    3840x2160 vs 1920x1080
  • Supports curved-surface correction
    This projector corrects warping on curved surfaces, while the average projector does not. 5.5% of projectors offer this.
    Supports warping patterns up to 24x15.
  • 2.82x higher refresh rate
    This projector has a higher refresh rate than the average projector (240 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.
    At 1080p.
    240 Hz vs 85 Hz
  • Supports pixel shifting
    This projector supports pixel shifting, while the average projector does not. 26.6% of projectors support pixel shifting.
    Via XPR technology.
  • Built-in Chromecast
    This projector supports built-in Chromecast, while the average projector does not. 24.9% of projectors support built-in Chromecast.
  • 81.8% brighter image
    This projector has higher ANSI lumens than the average projector (4,000 vs 2,200). The average projector has 2,200 ANSI lumens.
    4,000 vs 2,200
  • Higher contrast ratio
    This projector has a higher contrast ratio than the average projector (3000000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    3,000,000:1 vs 10,000:1
  • High native resolution
    This projector has a higher native panel resolution than the average projector (3840x2160 vs 1920x1080). The average projector has a native panel resolution of 1920x1080.
    3840x2160 vs 1920x1080
  • Higher output resolution
    This projector supports a higher output resolution than the average projector (3840x2160 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    3840x2160 vs 1920x1080
  • 2.82x higher refresh rate
    This projector has a higher refresh rate than the average projector (240 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.
    At 1080p.
    240 Hz vs 85 Hz
  • Supports pixel shifting
    This projector supports pixel shifting, while the average projector does not. 26.6% of projectors support pixel shifting.
    Via XPR technology.
  • 0.18 inch larger DMD chip
    This projector 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.
    0.65 inch vs 0.47 inch
  • Supports HLG
    This projector supports HLG, while the average projector does not. 41.2% of projectors support HLG.
  • 4 more recent release
    This projector was released more recently than the average projector (2025 vs 2021). The average projector was released in 2021.
    September 2025
    2025 vs 2021
  • Supports curved-surface correction
    This projector corrects warping on curved surfaces, while the average projector does not. 5.5% of projectors offer this.
    Supports warping patterns up to 24x15.
  • 0.24 m shorter throw distance
    This projector has a lower throw distance than the average projector (0.8 m vs 1 m). The average projector has 1.0055 m of throw distance.
    0.77 m vs 1.0055 m
  • 50 inch larger image size
    This projector has a higher projection size than the average projector (300 inch vs 250 inch). The average projector has 250 inch of projection size.
    300 inch vs 250 inch
  • Built-in Chromecast
    This projector supports built-in Chromecast, while the average projector does not. 24.9% of projectors support built-in Chromecast.
  • Has S/PDIF output
    This projector supports S/PDIF output, while the average projector does not. 16.6% of projectors support S/PDIF output.
  • 1 more RJ45 ports
    This projector has more RJ45 ports than the average projector (1 vs 0). The average projector has 0 RJ45 ports.
    1 vs 0
  • 1 more USB ports
    This projector has more USB ports than the average projector (2 vs 1). The average projector has 1 USB ports.
    2 vs 1
  • 50% stronger audio output
    This projector has a higher audio output power than the average projector (15 W vs 10 W). The average projector has 10 W of audio output power.
    15 W vs 10 W
  • Laser light source
    This projector has a laser light source, while the average projector does not. 26.7% of projectors have one.
  • 4 dB quieter eco mode
    This projector has a lower audible noise in eco mode than the average projector (24 dB vs 28 dB). The average projector has 28 dB of audible noise in eco mode.
    24 dB vs 28 dB
  • No Wi-Fi connectivity
    This projector does not connect to Wi-Fi networks, while the average projector does. 53.4% of projectors offer this.
  • Limited HDMI format
    This projector supports a less capable max HDMI input format than the average projector (4K/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
    4K/60Hz vs 4K/120Hz
  • No sleep timer
    This projector does not have a sleep timer, while the average projector does. 82.4% of projectors have one.
  • Narrower color gamut
    This projector has a lower color gamut coverage than the average projector (93% Rec.709 % vs 99% Rec.709 %). The average projector has 99% Rec.709 % of color gamut coverage.
    93% Rec.709 % vs 99% Rec.709 %
  • 25% worse value for money
    BenQ LK830ST has a lower value-for-money score than the average projector (5.56 vs 6.9).
    5.56 vs 6.95
  • 3.23x more expensive
    BenQ LK830ST is more expensive than the average projector (£2,130 vs £660).
    £2,130 vs £660
  • 20.8% heavier weight
    This projector is heavier than the average projector (3.6 kg vs 2.98 kg). The average projector weighs 2.98 kg.
    3.6 kg vs 2.98 kg
  • 25% worse value for money
    BenQ LK830ST has a lower value-for-money score than the average projector (5.56 vs 6.9).
    5.56 vs 6.95
  • 3.23x more expensive
    BenQ LK830ST is more expensive than the average projector (£2,130 vs £660).
    £2,130 vs £660
  • Narrower color gamut
    This projector has a lower color gamut coverage than the average projector (93% Rec.709 % vs 99% Rec.709 %). The average projector has 99% Rec.709 % of color gamut coverage.
    93% Rec.709 % vs 99% Rec.709 %
  • Limited HDMI format
    This projector supports a less capable max HDMI input format than the average projector (4K/60Hz vs 4K/120Hz). The average projector supports a max HDMI input format of 4K/120Hz.
    4K/60Hz vs 4K/120Hz
  • No Wi-Fi connectivity
    This projector does not connect to Wi-Fi networks, while the average projector does. 53.4% of projectors offer this.
  • No sleep timer
    This projector does not have a sleep timer, while the average projector does. 82.4% of projectors have one.
  • 20.8% heavier weight
    This projector is heavier than the average projector (3.6 kg vs 2.98 kg). The average projector weighs 2.98 kg.
    3.6 kg vs 2.98 kg

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

9.0
Golf Simulator Videos
≈ estimated
18/03/2026
First look · unboxing, menu tour and auto keystone demo
Verdict
BenQ LK830ST fills a useful niche in golf simulator setups, with a short throw ratio and handy features.
9.0
LUMOplay
≈ estimated
17/03/2026
Long-term review · several months of installed use
Verdict
BenQ LK830ST is highly recommended for immersive and interactive wall installations, with a few safety and mounting caveats.
Shop video
Brand video
Overview video

Expert reviews

In-depth analysis and verdict from leading tech publications

9.0
golfsimulatorvideos.com
≈ estimated
06/04/2026
Golf simulator review · Short-throw
Verdict
The BenQ LK830ST is a 4K laser projector for compact golf simulator bays, sitting close to the screen, though 4K gains show mainly on screens over 110 inches.
8.0
projectorcentral.com
✓ explicit
08/06/2026
Lab test · Golf and movies
Verdict
The BenQ LK830ST handles golf simulators and movies well, but its fast Simulation Ready mode disables zoom and keystone correction.
7.0
audiovision.de
✓ explicit
21/08/2026
Lab test · Short-throw laser
Verdict
The BenQ LK830ST is a bright, sharp laser projector for small rooms, with a wide-angle lens and strong 3D, but its HDR colors look washed out.

Third-party reviews

What customers like about BenQ LK830ST

  • Excellent for simulation environments like golf simulators, museum installations, and interactive labs.
  • True 4K UHD resolution provides high image clarity and sharpness for rendering engines like Unity or Unreal.
  • Short throw ratio allows for large images from a close distance (e.g., a 15-foot wide image from approximately 10 feet away).
  • High brightness (4,000 ANSI lumens) makes it effective in moderate ambient light conditions.
  • Long-lasting laser light source rated for 20,000 hours of use.
  • Flexible installation features including 2D Keystone Correction, Corner Fit, and 360-degree projection capability.
  • Compact and lightweight design (approx. 3.4 kg) makes it easy to mount or move.

What customers don't like about BenQ LK830ST

  • Noticeably slow power-up and source connection times compared to competitors.
  • External power adapter can complicate clean installations.
  • Not recommended for home cinema use due to design focus on simulations and brightness over deep black levels.
  • Lacks a laser safety sensor, raising concerns for environments where people might look directly into the lens.
  • Noticeable fan noise that can be distracting in smaller, quiet rooms.
  • Absence of built-in wireless networking or media player features.

Verdict

The BenQ LK830ST is a high-performance 4K UHD laser projector designed for simulation and mapping, delivering 4,000 ANSI lumens of brightness and a sharp 3,000,000:1 contrast ratio. It features a short-throw fixed lens with a 0.496 throw ratio that can fill a 300-inch screen from a short distance, while its IP6X-sealed engine ensures maintenance-free operation for up to 20,000 hours. Main pros include its exceptional 93% Rec. 709 color accuracy, low 16.7ms input lag (at 1080p/60Hz) for smooth interaction, and factory white balance adjustment for seamless multi-projector blending. However, it lacks a mechanical zoom or lens shift, and some users have noted slight softness in focus at the very top of the image compared to other areas.

Compare BenQ LK830ST with other products in the Projectors category

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