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

Anker Nebula Cosmos 4K SE review: 86 specs compared

Avg. price:~£1,090Native panel resolution:1920x1080ANSI lumens:1800Throw ratio:1.2:1Lamp life:25000 hours

Anker Nebula Cosmos 4K SE Review: Compare 86 technical specifications, 12 expert and video reviews and 9 best-of lists to see how this product ranks in the Projectors category and whether it is worth buying.

Anker Nebula Cosmos 4K SE
8.2/10

Overall score

Score
8.2/ 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
★ Better than 96% of models
Score components

35%

7.2

Technical score

30%

8.9

List score

25%

8.5

Reviews score

10%

8.5

Sentiment score

★Better than 96% of projectors
7.1

Value for money

Value for money
7.1/ 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 54% of models
Score components

70%

8.2

Overall score

30%

4.8

Price

▲Better than 54%
7.2

Technical score

Technical score
7.2/ 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
▲ Better than 76% of models
Score components

42%

6.9

Image Quality

22%

6.1

Projection & Lens

12%

7.3

HDMI & Gaming

10%

8.9

Audio & Features

8%

8.5

Connectivity

6%

8.0

Design & Power

▲Better than 76%
8.5

Reviews score

Reviews score
8.5/ 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
▼
<55-66-77-88-99-10
▲ Better than 70% of models

80%

8.5

Average grade

20%

8.5

Popularity

Grades by review (12)
1 review, with a printed score. 11 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.
▲Better than 70%
8.9

List score

List score
8.9/ 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 (9)
List score: in 9 of 103 lists (9%)
★Better than 98%
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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 Anker Nebula Cosmos 4K SE

Based on 1 · 11

Reviewers praise the effortless auto setup, sharp image and strong speakers, but criticise the weak black levels and limited battery life.
Praised
Criticised
Pick a topic to see who said what
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Projectors model ranking

Ranked #34 of 985 models in Projectors (Overall score)

Technical Specifications of projector Anker Nebula Cosmos 4K SE

Technical score
Technical score
7.2/ 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
▲ Better than 76% of models
Score components:

42%

6.9

Image Quality

22%

6.1

Projection & Lens

12%

7.3

HDMI & Gaming

10%

8.9

Audio & Features

8%

8.5

Connectivity

6%

8.0

Design & Power

7.2
Reviews score
8.5
List score
8.9
Value for money
Value for money
7.1/ 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 54% of models
Score components:

70%

8.2

Overall score

30%

4.8

Price

7.1
ANSI lumens
1,800
Market range: <250 – >4k
This projector reaches 1,800 ANSI lumens, dimmer than 59.6% of projectors and equal to 1.8% of projectors.
Contrast ratio
400:1
This projector has a contrast ratio of 400:1, lower than 97.2% of projectors and equal to 1.8% of projectors.
Native panel resolution
1920x1080
This projector uses a native resolution of 1920x1080, higher than 27% of projectors and equal to 59.2% 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
What reviewers say
Throw ratio
1.2:1
Min throw distance
1.69 m
Market range: <0.5 m – >2 m
This projector needs a minimum throw distance of 1.69 m, longer than 90.7% of projectors and equal to 0.1% of projectors.
Max projection size
200 inch
Market range: <100 inch – >300 inch
This projector supports projection sizes up to 200 inch, smaller than 51.4% of projectors and equal to 12.5% 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
2.1
This projector supports HDMI 2.1, more modern than 82.2% of projectors and equal to 17.8% of projectors.
Max HDMI bandwidth
?
Show more
N. of HDMI ports
2
Market range: <1 – >6
This projector has 2 HDMI port/s, more than 45.9% of projectors and equal to 47.3% of projectors.
Wi-Fi connectivity
yes
This projector connects to Wi-Fi networks for streaming. 46.7% of projectors offer this.
Wi-Fi version
Wi-Fi 5 (802.11ac)
This projector uses Wi-Fi 5 (802.11ac), which is newer than 55.6% of projectors and the same as in 27.5% of projectors.
Bluetooth connectivity
yes
This projector supports Bluetooth for speakers and headphones. 49.4% of projectors offer this.
Bluetooth version
5.1
This projector supports Bluetooth 5.1, more modern than 79.5% of projectors and equal to 7.5% of projectors.
Show more
Smart TV features
yes
This projector has built-in smart TV features. 56.2% of projectors offer this.
Operating system
Google TV
Android OS
?
Dedicated smartphone app
yes
This projector comes with a dedicated smartphone app. 63.3% 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
What reviewers say
Light source type
hybrid
This projector uses hybrid light source technology, more advanced than 73.6% of projectors and equal to 1.7% of projectors.
Laser light source
yes
This projector has a laser light source. 73.3% of projectors offer this.
Lamp life
25,000 hours
Market range: <5k hours – >30k hours
This projector offers lamp life of 25,000 hours, shorter than 61.1% of projectors and equal to 6.8% of projectors.
Lamp life (eco mode)
?
Operating power consumption
?
Show more
What reviewers say

Anker Nebula Cosmos 4K SE vs the average projector

246810TotalImage QualityProjection & LensHDMI & GamingConnectivityAudio & FeaturesDesign & Power
  • 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 Dolby Vision
    This projector supports Dolby Vision, while the average projector does not. 7.6% of projectors support Dolby Vision.
  • Advanced focus control
    This projector offers more advanced focus control than the average projector (auto-focus vs manual). Typical projector: manual.
    auto-focus vs manual
  • Supports pixel shifting
    This projector supports pixel shifting, while the average projector does not. 26.6% of projectors support pixel shifting.
  • Supports auto keystone correction
    Anker Nebula Cosmos 4K SE corrects keystone distortion automatically, while the average projector does not. 36.9% of projectors offer this.
  • Supports HDMI ARC
    This projector supports HDMI ARC, while the average projector does not. 35.2% of projectors support HDMI ARC.
  • 3x stronger audio output
    This projector has a higher audio output power than the average projector (30 W vs 10 W). The average projector has 10 W of audio output power.
    30 W vs 10 W
  • Supports smart TV apps
    This projector has built-in smart TV features, while the average projector does not. 43.9% of projectors offer smart TV features.
  • 17.1% higher list score
    List score
    8.9/ 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 (9)
    List score: in 9 of 103 lists (9%)
    8.9 vs 7.6
  • 14.9% higher review score
    Reviews score
    8.5/ 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
    ▼
    <55-66-77-88-99-10
    ▲ Better than 70% of models

    80%

    8.5

    Average grade

    20%

    8.5

    Popularity

    Grades by review (12)
    1 review, with a printed score. 11 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.
    8.5 vs 7.4
  • 13.3% higher sentiment score
    8.5 vs 7.5
  • 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 Dolby Vision
    This projector supports Dolby Vision, while the average projector does not. 7.6% of projectors support Dolby Vision.
  • Supports pixel shifting
    This projector supports pixel shifting, while the average projector does not. 26.6% of projectors support pixel shifting.
  • Supports HLG
    This projector supports HLG, while the average projector does not. 41.2% of projectors support HLG.
  • Wider color gamut
    This projector has a higher color gamut coverage than the average projector (123.3% Rec.709 % vs 99% Rec.709 %). The average projector has 99% Rec.709 % of color gamut coverage.
    123.3% Rec.709 % vs 99% Rec.709 %
  • 3 more recent release
    This projector was released more recently than the average projector (2024 vs 2021). The average projector was released in 2021.
    2,024 vs 2,021
  • Advanced focus control
    This projector offers more advanced focus control than the average projector (auto-focus vs manual). Typical projector: manual.
    auto-focus vs manual
  • Supports auto keystone correction
    Anker Nebula Cosmos 4K SE corrects keystone distortion automatically, while the average projector does not. 36.9% of projectors offer this.
  • Motorized focus
    This projector supports motorized focus, while the average projector does not. 45.6% of projectors support motorized focus.
  • Supports motion smoothing
    This projector supports motion smoothing, while the average projector does not. 34.1% of projectors offer this.
  • Modern HDMI standard
    This projector offers Modern HDMI standard than the average projector (2.1 vs 2). The average projector supports HDMI 2.0.
    2.1 vs 2.0
  • Supports HDMI ARC
    This projector supports HDMI ARC, while the average projector does not. 35.2% of projectors support HDMI ARC.
  • Built-in Chromecast
    This projector supports built-in Chromecast, while the average projector does not. 24.9% of projectors support built-in Chromecast.
  • Supports AirPlay
    This projector supports AirPlay, while the average projector does not. 40.3% of projectors offer this.
  • Supports Miracast mirroring
    This projector supports Miracast, while the average projector does not. 46.4% of projectors offer this.
  • Supports smart TV apps
    This projector has built-in smart TV features, while the average projector does not. 43.9% of projectors offer smart TV features.
  • 3x stronger audio output
    This projector has a higher audio output power than the average projector (30 W vs 10 W). The average projector has 10 W of audio output power.
    30 W vs 10 W
  • Smartphone app support
    This projector supports smartphone app control, while the average projector does not. 36.7% of projectors support smartphone app control.
  • Includes stereo speakers
    This projector has stereo speakers, while the average projector does not. 47.8% of projectors have stereo speakers.
  • Supports voice commands
    This projector supports voice commands, while the average projector does not. 36.1% of projectors support voice commands.
  • Laser light source
    This projector has a laser light source, while the average projector does not. 26.7% of projectors have one.
  • 5,000 hours longer lamp life
    This projector has a higher lamp life than the average projector (25,000 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life.
    25,000 hours vs 20,000 hours
  • 134 mm narrower width
    This projector is narrower than the average projector (163 mm vs 297 mm). The average projector has a width of 297 mm.
    163 mm vs 297 mm
  • Lower contrast ratio
    This projector has a lower contrast ratio than the average projector (400:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    400:1 vs 10,000:1
  • 0.68 m longer throw distance
    This projector has a higher throw distance than the average projector (1.7 m vs 1 m). The average projector has 1.0055 m of throw distance.
    1.69 m vs 1.0055 m
  • 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
  • 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 3D video
    This projector does not support 3D video, while the average projector does. 55.4% of projectors support 3D video.
  • 18.2% dimmer image
    This projector has lower ANSI lumens than the average projector (1,800 vs 2,200). The average projector has 2,200 ANSI lumens.
    1,800 vs 2,200
  • 50 inch smaller image size
    This projector has a lower projection size than the average projector (200 inch vs 250 inch). The average projector has 250 inch of projection size.
    200 inch vs 250 inch
  • Basic light source
    This projector has Basic light source than the average projector (hybrid vs laser). The average projector uses a laser light source.
    hybrid vs laser
  • 65.2% more expensive
    Anker Nebula Cosmos 4K SE is more expensive than the average projector (£1,090 vs £660).
    £1,090 vs £660
  • Lower contrast ratio
    This projector has a lower contrast ratio than the average projector (400:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    400:1 vs 10,000:1
  • 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.
  • 18.2% dimmer image
    This projector has lower ANSI lumens than the average projector (1,800 vs 2,200). The average projector has 2,200 ANSI lumens.
    1,800 vs 2,200
  • 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.
  • 0.68 m longer throw distance
    This projector has a higher throw distance than the average projector (1.7 m vs 1 m). The average projector has 1.0055 m of throw distance.
    1.69 m vs 1.0055 m
  • 50 inch smaller image size
    This projector has a lower projection size than the average projector (200 inch vs 250 inch). The average projector has 250 inch of projection size.
    200 inch vs 250 inch
  • 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 RS-232 control
    This projector does not support RS-232 control, while the average projector does. 50.6% of projectors support RS-232 control.
  • Basic light source
    This projector has Basic light source than the average projector (hybrid vs laser). The average projector uses a laser light source.
    hybrid vs laser
  • 143 mm taller body
    This projector is taller than the average projector (265 mm vs 122 mm). The average projector has a height of 122 mm.
    265 mm vs 122 mm
  • 51% heavier weight
    This projector is heavier than the average projector (4.5 kg vs 2.98 kg). The average projector weighs 2.98 kg.
    4.5 kg vs 2.98 kg

Video reviews

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

9.0
Techmoan
≈ estimated
15/06/2025
Hands-on review · image, 3D, fan noise and auto setup
Verdict
Anker Nebula Cosmos 4K SE is a very satisfying choice, trading weaker black levels than an OLED for a much bigger image.
9.0
Build Montage
≈ estimated
15/09/2024
Hands-on review · colour, black level, gaming and value tests
Verdict
The Anker Nebula Cosmos 4K SE offers an excellent picture and smart features for the money, and it is portable and worth considering, though dark shadows are not perfect.
9.0
AP Tech
≈ estimated
13/09/2024
Hands-on review · design, picture, features and speakers
Verdict
Anker Nebula Cosmos 4K SE is a strong home entertainment pick with native 4K and top-end features, though it is not weatherproof.
9.0
EvoGrid
≈ estimated
04/07/2026
Honest review · picture, gaming, features and buying advice
Verdict
Anker Nebula Cosmos 4K SE is a premium portable projector that is easy to live with, unless you need deep black levels.
9.0
Kombatant
≈ estimated
25/01/2025
Long-term review · 180 days of home use
Verdict
Anker Nebula Cosmos 4K SE is a very good projector that offers more value for its price than many rivals.
9.0
Patrick Rambles
≈ estimated
10/09/2024
Comparison entry · hands-on room tests, image and sound
Verdict
Anker Nebula Cosmos 4K SE has the best image quality of the two, though it is far less portable than the smaller Capsule Air.
Overview video
Brand video
Brand video

Expert reviews

In-depth analysis and verdict from leading tech publications

8.0
pcmag.com
✓ explicit
12/03/2025
Lab test · 4K room-to-room portable
Verdict
The Anker Nebula Cosmos 4K SE is a portable 4K projector with strong sound and a bright picture, though its black level is high in dark rooms.

Third-party reviews

What customers like about Anker Nebula Cosmos 4K SE

  • 30 W audio output gives films and sport a full sound.
  • Pixel shifting shows a 4K picture from a 1080p panel.
  • Dolby Vision and HDR10 both play on it.
  • A picture up to 200 inch fills a large wall.
  • A dedicated app lets a phone control the projector.
  • Chromecast built in sends films straight from a phone.

What customers don't like about Anker Nebula Cosmos 4K SE

  • The 1.69 m minimum throw needs space behind the projector.
  • At 265 mm tall, it needs a clear spot on a shelf.
  • The 400:1 contrast leaves dark scenes looking grey.
  • The native panel is 1080p, so 4K is created by pixel shifting rather than shown natively.
  • There is no motorized zoom, so image size depends on distance.

Verdict

Living rooms with some daylight suit the Anker Nebula Cosmos 4K SE well. It is rated at 1800 ANSI lumens and throws a picture up to 200 inch. The panel is 1080p, and pixel shifting produces a 4K picture, while Dolby Vision and HDR10 both play. The 30 W speaker gives a full sound, and a hybrid light source with a laser is rated for 25000 hours. Frame interpolation smooths fast motion, and a dedicated app lets a phone control it. The trade-offs are placement and contrast. The minimum throw is 1.69 m, so it needs space behind it, and the 400:1 contrast leaves dark scenes grey. It suits a buyer who wants a large, bright picture with HDR for films and sport, and who has a clear shelf or mount.

Compare Anker Nebula Cosmos 4K SE with other products in the Projectors category

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