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Mathematical & Unbiased Scoring
Products in this category are scored under Frontum Projectors Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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Anker Nebula Cosmos 4K Review | 84 Data compared

Avg. price:~£1,230Native panel resolution:1920x1080ANSI lumens:1800Throw ratio:1.2:1Lamp life:30000 hours

Anker Nebula Cosmos 4K Review: Compare 84 technical specifications and user reviews to see how this product ranks in the Projectors category and whether it is worth buying.

Anker Nebula Cosmos 4K
7.7/10

Overall score

Score
7.7/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components

90%

7.7

Technical score

10%

?

User score

★Better than 90% of projectors
6.6

Value for money

Value for money
6.6/ 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
▼
<55-66-77-88-99-10
Score components

70%

7.7

Overall score

30%

4.0

Price

▲Better than 52%
7.7

Technical score

Technical score
7.7/ 10
✕
What it is
An assessment of technical performance for products in the Projectors category across these key areas: Image Quality, Projection & Lens, HDMI & Gaming, Connectivity, Audio & Features, Design & Power.
When it matters
When you want to compare projectors based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
Score components

42%

7.7

Image Quality

22%

6.7

Projection & Lens

12%

7.6

HDMI & Gaming

10%

9.5

Audio & Features

8%

8.3

Connectivity

6%

8.3

Design & Power

★Better than 90%
?

User score

User score
8.0/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

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Where to buy
    N/A~ £1,230
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 Anker Nebula Cosmos 4K

Technical score
Technical score
7.7/ 10
✕
What it is
An assessment of technical performance for products in the Projectors category across these key areas: Image Quality, Projection & Lens, HDMI & Gaming, Connectivity, Audio & Features, Design & Power.
When it matters
When you want to compare projectors based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
Score components:

42%

7.7

Image Quality

22%

6.7

Projection & Lens

12%

7.6

HDMI & Gaming

10%

9.5

Audio & Features

8%

8.3

Connectivity

6%

8.3

Design & Power

7.7
User score
User score
8.0/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
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.
Score distribution
▼
<55-66-77-88-99-10
Popularity:
Anker Nebula Cosmos 4K has a popularity score of 1 point, which is lower than 64.5% of projectors.
1.0
Value for money
Value for money
6.6/ 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
▼
<55-66-77-88-99-10
Score components:

70%

7.7

Overall score

30%

4.0

Price

6.6
ANSI lumens
1,800
This projector reaches 1,800 ANSI lumens, dimmer than 60.2% of projectors and equal to 1.9% of projectors.
Contrast ratio
1,500,000:1
This projector has a contrast ratio of 1500000:1, higher than 87.7% of projectors and equal to 0.5% of projectors.
Dynamic contrast ratio.
Native panel resolution
1920x1080
This projector uses a native resolution of 1920x1080, higher than 26.2% of projectors and equal to 59.7% of projectors.
Uses XPR pixel-shifting for 4K output.
Output Resolution
3840x2160
This projector supports output resolution up to 3840x2160, higher than 69.1% of projectors and equal to 26.1% of projectors.
Via XPR pixel shifting.
Projection technology
DLP
Show more
Throw ratio
1.2:1
Min throw distance
1.69 m
This projector needs a minimum throw distance of 1.69 m, longer than 91% of projectors.
Max projection size
?
Zoom ratio
N/A
Motorized zoom
no
This projector does not have motorized zoom. 16.3% of projectors have motorized zoom.
Show more
Input lag
18.4 ms
This projector has input lag of 18.4 ms, lower than 65.1% of projectors.
In Extreme Game Mode.
Auto low latency mode (ALLM)
no
This projector does not support ALLM. 17.2% of projectors support ALLM.
Variable refresh rate (VRR)
no
This projector does not support VRR. 1.6% of projectors support VRR.
HDMI version
2.1
This projector supports HDMI 2.1, more modern than 82.3% of projectors and equal to 17.7% of projectors.
Max HDMI bandwidth
18 Gbps
This projector supports HDMI bandwidth up to 18 Gbps, higher than 47.7% of projectors and equal to 40.1% of projectors.
Show more
N. of HDMI ports
?
Wi-Fi connectivity
yes
This projector supports Wi-Fi. 47.2% of projectors support Wi-Fi.
Wi-Fi version
Wi-Fi 5 (802.11ac)
This projector supports Wi-Fi 5 (802.11ac), more modern than 55.1% of projectors and equal to 29.4% of projectors.
Bluetooth connectivity
yes
This projector supports Bluetooth. 49.6% of projectors support Bluetooth.
Bluetooth version
?
Show more
Smart TV features
yes
This projector has smart TV features. 56.4% of projectors have smart TV features.
Operating system
Android 9.0
Android OS
yes
This projector runs Android OS. 81.3% of projectors run Android OS.
Android 9
Dedicated smartphone app
yes
This projector comes with a dedicated smartphone app. 64.9% of projectors come with a dedicated smartphone app.
Nebula Connect app.
Remote control
yes
This projector includes a remote control. 1.6% of projectors include a remote control.
Show more
Light source type
hybrid
This projector uses hybrid light source technology, more advanced than 72.2% of projectors and equal to 1.7% of projectors.
Laser + LED hybrid for SE model.
Laser Light Source
yes
This projector uses a laser light source. 72% of projectors use a laser light source.
Laser/LED Hybrid.
Lamp life
30,000 hours
This projector offers lamp life of 30,000 hours, shorter than 69.1% of projectors and equal to 25.3% of projectors.
Lamp life (eco mode)
30,000 hours
This projector offers eco-mode lamp life of 30,000 hours, shorter than 62.5% of projectors and equal to 33.2% of projectors.
Operating power consumption
200 W
This projector uses 200 W of power, less than 53.7% of projectors and equal to 1.1% of projectors.
Show more

Anker Nebula Cosmos 4K vs the average projector

246810TotalImage QualityProjection & LensHDMI & GamingConnectivityAudio & FeaturesDesign & Power
  • Higher contrast ratio
    This projector has a higher contrast ratio than the average projector (1500000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    Dynamic contrast ratio.
    1,500,000:1 vs 10,000:1
  • Higher output resolution
    This projector supports a higher output resolution than the average projector (3840x2160 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    Via XPR pixel shifting.
    3840x2160 vs 1920x1080
  • Supports Dolby Vision
    This projector supports Dolby Vision, while the average projector does not. 7.3% of projectors support Dolby Vision.
  • Advanced focus control
    This projector offers Advanced focus control than the average projector (auto-focus vs manual). The average projector uses manual focus control.
    Manual remote fine-tuning available.
    auto-focus vs manual
  • Supports pixel shifting
    This projector supports pixel shifting, while the average projector does not. 28.4% of projectors support pixel shifting.
    Via XPR technology.
  • Supports HDMI ARC
    This projector supports HDMI ARC, while the average projector does not. 36% of projectors support HDMI ARC.
    Via eARC.
  • 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
  • Built-in smart TV features
    This projector has built-in smart TV features, while the average projector does not. 43.7% of projectors have built-in smart TV features.
  • Higher contrast ratio
    This projector has a higher contrast ratio than the average projector (1500000:1 vs 10000:1). The average projector has 10000:1 of contrast ratio.
    Dynamic contrast ratio.
    1,500,000:1 vs 10,000:1
  • Higher output resolution
    This projector supports a higher output resolution than the average projector (3840x2160 vs 1920x1080). The average projector outputs at 1920x1080 resolution.
    Via XPR pixel shifting.
    3840x2160 vs 1920x1080
  • Supports Dolby Vision
    This projector supports Dolby Vision, while the average projector does not. 7.3% of projectors support Dolby Vision.
  • Supports pixel shifting
    This projector supports pixel shifting, while the average projector does not. 28.4% of projectors support pixel shifting.
    Via XPR technology.
  • Supports HLG
    This projector supports HLG, while the average projector does not. 42.7% 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 %
  • Advanced focus control
    This projector offers Advanced focus control than the average projector (auto-focus vs manual). The average projector uses manual focus control.
    Manual remote fine-tuning available.
    auto-focus vs manual
  • 10 degrees greater vertical keystone correction
    This projector offers more vertical keystone correction than the average projector (40 degrees degrees vs 30 degrees degrees). The average projector offers 30 degrees degrees of vertical keystone correction.
    40 degrees vs 30 degrees
  • 10 degrees greater horizontal keystone correction
    This projector offers more horizontal keystone correction than the average projector (40 degrees degrees vs 30 degrees degrees). The average projector offers 30 degrees degrees of horizontal keystone correction.
    40 degrees vs 30 degrees
  • Motorized focus
    This projector supports motorized focus, while the average projector does not. 47.2% of projectors support motorized focus.
  • Supports frame interpolation
    This projector supports frame interpolation, while the average projector does not. 37.1% of projectors support frame interpolation.
  • 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
  • 8.6 ms lower input lag
    This projector has a lower input lag than the average projector (18.4 ms vs 27 ms). The average projector has 27 ms of input lag.
    In Extreme Game Mode.
    18.4 ms vs 27 ms
  • Supports HDMI ARC
    This projector supports HDMI ARC, while the average projector does not. 36% of projectors support HDMI ARC.
    Via eARC.
  • Built-in Chromecast
    This projector supports built-in Chromecast, while the average projector does not. 26% of projectors support built-in Chromecast.
  • Supports AirPlay
    This projector supports AirPlay, while the average projector does not. 40% of projectors support AirPlay.
    Requires Nebula Cast app.
  • Modern USB standard
    This projector supports a newer USB standard than the average projector (USB 3.2 Gen 1 vs USB 2). The average projector supports USB USB 2.0.
    USB 3.2 Gen 1 vs USB 2.0
  • Supports Miracast
    This projector supports Miracast, while the average projector does not. 45.1% of projectors support Miracast.
  • 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
  • Built-in smart TV features
    This projector has built-in smart TV features, while the average projector does not. 43.7% of projectors have built-in smart TV features.
  • Supports Dolby Atmos
    This projector supports Dolby Atmos, while the average projector does not. 14.9% of projectors support Dolby Atmos.
    Via eARC pass-through.
  • Smartphone app support
    This projector supports smartphone app control, while the average projector does not. 35.2% of projectors support smartphone app control.
    Nebula Connect app.
  • Built-in stereo speakers
    This projector has stereo speakers, while the average projector does not. 48.9% of projectors have stereo speakers.
    dual 15W speaker.
  • Supports voice commands
    This projector supports voice commands, while the average projector does not. 36.3% of projectors support voice commands.
    Google Assistant via remote.
  • Android OS built-in
    This projector features Android OS, while the average projector does not. 18.8% of projectors feature Android OS.
    Android 9
  • Uses laser light source
    This projector uses a laser light source, while the average projector does not. 28.1% of projectors use a laser light source.
    Laser/LED Hybrid.
  • 10,000 hours longer lamp life
    This projector has a higher lamp life than the average projector (30,000 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life.
    30,000 hours vs 20,000 hours
  • 10,000 hours longer eco lamp life
    This projector has a higher lamp life in eco mode than the average projector (30,000 hours vs 20,000 hours). The average projector has 20,000 hours of lamp life in eco mode.
    30,000 hours vs 20,000 hours
  • 0.67 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 1.025 m of throw distance.
    1.69 m vs 1.025 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
  • 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
  • Basic light source
    This projector has Basic light source than the average projector (hybrid vs laser). The average projector uses a laser light source.
    Laser + LED hybrid for SE model.
    hybrid vs laser
  • No RS-232 control
    This projector does not support RS-232 control, while the average projector does. 52.1% of projectors support RS-232 control.
  • 4.87x less popular
    Anker Nebula Cosmos 4K has a lower popularity than the average projector (1 vs 4.9).
    1 vs 4.87
  • 138 mm taller body
    This projector is taller than the average projector (265 mm vs 127 mm). The average projector has a height of 127 mm.
    265 mm vs 127 mm
  • 4.87x less popular
    Anker Nebula Cosmos 4K has a lower popularity than the average projector (1 vs 4.9).
    1 vs 4.87
  • 59.7% more expensive
    Anker Nebula Cosmos 4K is more expensive than the average projector (£1,230 vs £770).
    £1,230 vs £770
  • 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
  • 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
  • 0.67 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 1.025 m of throw distance.
    1.69 m vs 1.025 m
  • 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. 52.1% 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.
    Laser + LED hybrid for SE model.
    hybrid vs laser
  • 138 mm taller body
    This projector is taller than the average projector (265 mm vs 127 mm). The average projector has a height of 127 mm.
    265 mm vs 127 mm
  • 45.2% heavier weight
    This projector is heavier than the average projector (4.5 kg vs 3.1 kg). The average projector weighs 3.1 kg.
    4.5 kg vs 3.1 kg

Video reviews

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

9.0
TechLine
≈ estimated
05/05/2022
Hands-on review · picture, sound and Android TV tests
Verdict
Anker Nebula Cosmos 4K is easy to recommend as one of the most advanced projectors on the market.
9.0
Michael Soledad
≈ estimated
16/01/2022
Hands-on review · backyard, living room and sound tests
Verdict
Anker Nebula Cosmos 4K is a great portable projector with excellent picture and sound, though it has a few small quirks.
9.0
all things tech
≈ estimated
11/01/2022
First look · unboxing and first impressions
Verdict
The Anker Nebula Cosmos 4K has a premium build and strong brightness from the start, with the full review still to come.
Brand video
Brand video
Not graded

Expert reviews

In-depth analysis and verdict from leading tech publications

G
gardeningetc.com
20/09/2022
Summary of the review
A
au.pcmag.com
10/06/2022
Summary of the review
P
projectorcentral.com
09/05/2022
Summary of the review
2
20minutes.fr
07/11/2024
Summary of the review
D
darty.com
31/10/2024
Summary of the review
C
computerhoy.20minutos.es
22/07/2022
Summary of the review
E
elespanol.com
15/07/2022
Summary of the review
T
today.it
13/10/2022
Summary of the review

Third-party reviews

What customers like about Anker Nebula Cosmos 4K

  • Native 4K resolution provides exceptional clarity and sharp imagery
  • High brightness levels (up to 2,400 ISO/ANSI lumens) make it usable in rooms with some ambient light
  • Excellent integrated audio with Dolby Audio support, often loud enough to fill a large room without external speakers
  • Fast and reliable automated setup features, including autofocus and auto-keystone correction
  • Official Netflix certification on newer models (SE), eliminating the need for external streaming dongles
  • Hybrid laser/LED light source offers a long lifespan of up to 30,000 hours
  • Convenient built-in carrying handle enhances portability between rooms

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

  • Poor contrast and black levels can result in dark scenes appearing washed out or grey
  • Lack of a built-in battery requires a constant mains power connection, limiting true outdoor portability
  • No optical zoom requires physically moving the projector to adjust screen size
  • Hefty and bulky design makes it more 'luggable' than truly compact for travel
  • Occasional 'rainbow effect' artifacts typical of single-chip DLP projectors may be visible to some users
  • High retail price compared to competitors with similar image performance
  • Software and UI can occasionally feel sluggish or experience input lag

Verdict

The Anker Nebula Cosmos 4K (Laser/SE) is a high-performance portable projector featuring native 4K UHD resolution and a hybrid laser-LED light source that delivers up to 1,800–2,400 ISO/ANSI lumens for clear viewing even with moderate ambient light. Its main characteristics include support for Dolby Vision, HDR10, and 360-degree immersive sound via dual 15W speakers, all running on the Google TV (or Android TV 10.0) platform with native 4K Netflix support. Key pros are its effortless setup through IEA 4.0 technology—which automates autofocus, keystone correction, and screen fit—a low input lag of under 19ms for gaming, and a convenient ergonomic handle for room-to-room mobility. Major cons include a lack of optical zoom, mediocre black levels/contrast (native 400:1) in dark scenes, and the requirement for a constant mains power connection as it lacks a built-in battery.

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