OVERALL
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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

BYINTEK Cloud K400 review: 86 specs compared

Avg. price:~£330Native panel resolution:1024x768ANSI lumens:3300Throw ratio:?Lamp life:10000 hours

BYINTEK Cloud K400 Review: Compare 86 technical specifications to see how this product ranks in the Projectors category and whether it is worth buying.

BYINTEK Cloud K400
7.0/10

Overall score

Score
7.0/ 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
▼
<55-66-77-88-99-10
▼ Worse than 62% of models
Score components

35%

6.0

Technical score

30%

?

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

25%

?

Reviews scoreNot enough data yet, so we use 7.8, the mark of a weaker model in this category

10%

?

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

▼Worse than 62% of projectors
7.5

Value for money

Value for money
7.5/ 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
▼
<55-66-77-88-99-10
▲ Better than 74% of models
Score components

70%

7.0

Overall score

30%

8.8

Price

▲Better than 74%
6.0

Technical score

Technical score
6.0/ 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
▼
<55-66-77-88-99-10
▼ Worse than 73% of models
Score components

42%

6.4

Image Quality

22%

5.2

Projection & Lens

12%

6.5

HDMI & Gaming

10%

5.6

Audio & Features

8%

6.7

Connectivity

6%

4.7

Design & Power

▼Worse than 73%
?

Reviews score

Reviews score
✕
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
▼
<55-66-77-88-99-10
Grades by review (0)
We have not found an independent test of this model yet. Until we do, its review part counts as 7.8.
User ratings collected online are not part of this score.
No expert tests yet
?

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
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Where to buy
    N/A~ £330
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of projector BYINTEK Cloud K400

Technical score
Technical score
6.0/ 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
▼
<55-66-77-88-99-10
▼ Worse than 73% of models
Score components:

42%

6.4

Image Quality

22%

5.2

Projection & Lens

12%

6.5

HDMI & Gaming

10%

5.6

Audio & Features

8%

6.7

Connectivity

6%

4.7

Design & Power

6.0
Reviews score
7.8
List score
?
Value for money
Value for money
7.5/ 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
▼
<55-66-77-88-99-10
▲ Better than 74% of models
Score components:

70%

7.0

Overall score

30%

8.8

Price

7.5
ANSI lumens
3,300
Market range: <280 – >4k
This projector reaches 3,300 ANSI lumens, brighter than 74.9% of projectors and equal to 1% of projectors.
Contrast ratio
20,000:1
This projector has a contrast ratio of 20000:1, higher than 58.9% of projectors and equal to 4.8% of projectors.
Static contrast ratio.
Native panel resolution
1024x768
This projector uses a native resolution of 1024x768, lower than 88.6% of projectors and equal to 5.6% of projectors.
Output resolution
1024x768
This projector supports output resolution up to 1024x768, lower than 89.4% of projectors and equal to 5.6% of projectors.
Projection technology
3LCD
Show more
Throw ratio
?
Min throw distance
2.1 m
Market range: <0.5 m – >1.651 m
This projector needs a minimum throw distance of 2.1 m, longer than 96.4% 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
1.2
Market range: <1.1 – >2.06
This projector offers a zoom ratio of 1.2, narrower than 59.8% of projectors and equal to 21.6% of projectors.
Motorized zoom
no
This projector does not have motorised zoom. 14.8% of projectors offer this.
Show more
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
?
Max HDMI bandwidth
?
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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
?
Wi-Fi version
N/A
Bluetooth connectivity
no
This projector does not support Bluetooth. 50.7% of projectors offer this.
Bluetooth version
N/A
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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
lamp
This projector uses lamp light source technology, less advanced than 66.5% of projectors and equal to 33.5% of projectors.
Laser light source
no
This projector does not have a laser light source. 26.8% of projectors offer this.
Lamp life
10,000 hours
Market range: <3.5k hours – >30k hours
This projector offers lamp life of 10,000 hours, longer than 66.3% of projectors and equal to 0.2% of projectors.
Lamp life (eco mode)
20,000 hours
Market range: <5k hours – >30k hours
This projector offers eco-mode lamp life of 20,000 hours, shorter than 39.4% of projectors and equal to 17.9% of projectors.
Operating power consumption
290 W
Market range: <57 W – >390 W
This projector uses 290 W of power, more than 66.4% of projectors and equal to 1.1% of projectors.
Show more

BYINTEK Cloud K400 vs the average projector

246810TotalImage QualityProjection & LensHDMI & GamingConnectivityAudio & FeaturesDesign & Power
  • 50% brighter image
    This projector has higher ANSI lumens than the average projector (3,300 vs 2,200). The average projector has 2,200 ANSI lumens.
    3,300 vs 2,200
  • Supports AirPlay
    This projector supports AirPlay, while the average projector does not. 40.3% of projectors offer this.
  • 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
  • Higher contrast ratio
    This projector has a higher contrast ratio than the average projector (20000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    Static contrast ratio.
    20,000:1 vs 10,000:1
  • 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 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
  • VGA input included
    This projector supports VGA input, while the average projector does not. 44.1% of projectors support VGA input.
  • 50% brighter image
    This projector has higher ANSI lumens than the average projector (3,300 vs 2,200). The average projector has 2,200 ANSI lumens.
    3,300 vs 2,200
  • Higher contrast ratio
    This projector has a higher contrast ratio than the average projector (20000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    Static contrast ratio.
    20,000:1 vs 10,000:1
  • 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
  • Supports AirPlay
    This projector supports AirPlay, while the average projector does not. 40.3% of projectors offer this.
  • 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
  • VGA input included
    This projector supports VGA input, while the average projector does not. 44.1% of projectors support VGA input.
  • Basic light source
    This projector has Basic light source than the average projector (lamp vs laser). The average projector uses a laser light source.
    lamp vs laser
  • No HDR10 support
    This projector does not support HDR10, while the average projector does. 57.6% of projectors support HDR10.
  • Lower output resolution
    This projector supports a lower output resolution than the average projector (1024x768 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    1024x768 vs 1920x1080
  • Low native resolution
    This projector has a lower native panel resolution than the average projector (1024x768 vs 1920x1080). The average projector has a native panel resolution of 1920x1080.
    1024x768 vs 1920x1080
  • 1.09 m longer throw distance
    This projector has a higher throw distance than the average projector (2.1 m vs 1 m). The average projector has 1.0055 m of throw distance.
    2.1 m vs 1.0055 m
  • No Bluetooth connectivity
    This projector does not support Bluetooth, while the average projector does. 50.6% of projectors offer this.
  • 29.4% lower refresh rate
    This projector has a lower refresh rate than the average projector (60 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.
    60 Hz vs 85 Hz
  • No 3D video
    This projector does not support 3D video, while the average projector does. 55.4% of projectors support 3D video.
  • No HDR10 support
    This projector does not support HDR10, while the average projector does. 57.6% of projectors support HDR10.
  • Lower output resolution
    This projector supports a lower output resolution than the average projector (1024x768 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    1024x768 vs 1920x1080
  • Low native resolution
    This projector has a lower native panel resolution than the average projector (1024x768 vs 1920x1080). The average projector has a native panel resolution of 1920x1080.
    1024x768 vs 1920x1080
  • 29.4% lower refresh rate
    This projector has a lower refresh rate than the average projector (60 Hz vs 85 Hz). The average projector has 85 Hz of refresh rate.
    60 Hz vs 85 Hz
  • No 3D video
    This projector does not support 3D video, while the average projector does. 55.4% of projectors support 3D video.
  • No 3D glasses support
    This projector does not display 3D with glasses, while the average projector does. 54.4% of projectors offer 3D with glasses.
  • 1.09 m longer throw distance
    This projector has a higher throw distance than the average projector (2.1 m vs 1 m). The average projector has 1.0055 m of throw distance.
    2.1 m vs 1.0055 m
  • 15 degrees less horizontal correction
    This projector offers less horizontal keystone correction than the average projector (15 degrees vs 30 degrees). The average projector offers horizontal keystone correction of 30 degrees.
    15 degrees vs 30 degrees
  • 0.1 2x narrower zoom range
    This projector has a lower zoom ratio than the average projector (1.2 vs 1.3). The average projector has 1.3 of zoom ratio.
    1.2 vs 1.3
  • No Bluetooth connectivity
    This projector does not support Bluetooth, while the average projector does. 50.6% 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.
  • Basic light source
    This projector has Basic light source than the average projector (lamp vs laser). The average projector uses a laser light source.
    lamp vs laser
  • 4 dB louder operation
    This projector has a higher audible noise than the average projector (35 dB vs 31 dB). The average projector has 31 dB of audible noise.
    35 dB vs 31 dB
  • 10,000 hours shorter lamp life
    This projector has a lower lamp life than the average projector (10,000 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life.
    10,000 hours vs 20,000 hours
  • 60 W higher power use
    This projector uses more power than the average projector (290 W vs 230 W). The average projector uses 230 W of power.
    290 W vs 230 W
  • 111 mm thicker body
    This projector is thicker than the average projector (261 mm vs 150 mm). The average projector has a thickness of 150 mm.
    261 mm vs 150 mm
  • 48 mm wider body
    This projector is wider than the average projector (345 mm vs 297 mm). The average projector has a width of 297 mm.
    345 mm vs 297 mm

Third-party reviews

What customers like about BYINTEK Cloud K400

  • High brightness output, reaching up to 3300–5000 lumens depending on the model variant, suitable for well-lit environments
  • Long lamp life of approximately 10,000 hours in standard mode and up to 20,000 hours in eco mode
  • Large maximum projection size of up to 300 inches
  • Strong contrast ratio for richer dark colours and detailed gradation
  • Versatile connectivity options including VGA, HDMI, S-Video, and USB
  • Relatively lightweight (approx. 3.3kg) and compact design for easier transport

What customers don't like about BYINTEK Cloud K400

  • Native resolution is limited to XGA (1024x768), which is lower than modern Full HD or 4K standards
  • Lack of advanced physical adjustment features such as motorized focus, motorized zoom, or lens shift
  • No built-in smart TV features or integrated streaming apps
  • Does not support 3D imaging with glasses
  • Higher power consumption in operation (approx. 290W) compared to some smaller portable units

Verdict

The Byintek Cloud K400 is a 3LCD business and education projector featuring a native XGA (1024x768) resolution and a high brightness of 3,300 to 5,000 ANSI lumens, making it suitable for well-lit environments. It offers a 20,000:1 contrast ratio, a maximum projection size of up to 300 inches, and a long lamp life of 10,000 hours in standard mode (extending to 20,000 hours in eco mode). Key pros include its versatile connectivity with VGA, HDMI, and RJ45 ports, as well as its auto/manual keystone correction and 1.2x manual zoom for flexible setup. However, notable cons include its relatively low native resolution compared to modern 1080p standards, the lack of a built-in battery or motorized focus, and it does not support 3D display.

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