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Nebula Cosmos 4K SE

Ranked #27 of 47 in Best Portable and Lifestyle Projectors (2026). Here is every spec we scored, where it came from, and how it compares.

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#27

Nebula Cosmos 4K SE

Best for: 1,800 ANSI-lumen 4K lifestyle projector; Dolby Vision is listed, but the spec table was thin

3.3/10

What we like

    Watch out for

    • Light-source life not published by Nebula
    • Built-in speakers not published by Nebula
    • Weight not published by Nebula
    • Battery life not published by Nebula

    Score breakdown

    Brightness (ISO or ANSI) 22%
    Resolution class 16%
    Light-source life * 8%
    Built-in speakers * 10%
    Weight * 16%
    Battery life * 12%
    HDR 8%
    Smart OS or streaming 8%

    * Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

    Brightness (ISO or ANSI)1800 lm
    Resolution class4K UHD class, including pixel-shift (computed)
    Light-source lifeNot listed
    Built-in speakersNot listed
    WeightNot listed
    Battery lifeNot listed
    HDRYes
    Smart OS or streamingYes
    Brightness (maker)1,800 ANSI lumens
    Resolution (maker)4K UHD (official listing)
    Resolution class4K UHD class, including pixel-shift (computed)
    Light source life (maker)Not listed
    Throw ratio (maker)Not listed
    HDR (maker)Dolby Vision listed
    Built-in speakersNot listed
    WeightNot listed
    Battery life (maker)None listed
    Smart OS (maker)Official smart features listed
    PriceCheck price
    Check price at Amazon
    Specs source:

    How it compares

    Open the full comparison table

    XGIMI HORIZON 20 Max
    6.1/10
    #1 · 5,700 ISO-lumen 4K lifestyle projector with Dolby Vision, optical zoom and lens shift
    XGIMI HORIZON 20 Pro
    5.6/10
    #2 · 4,100 ISO-lumen 4K lifestyle projector with Dolby Vision
    XGIMI HORIZON S Max
    5.4/10
    #3 · 3,100 ISO-lumen 4K lifestyle projector with a 20,000-hour lamp life listing
    XGIMI HORIZON 20
    5.3/10
    #4 · 3,200 ISO-lumen 4K lifestyle projector with Dolby Vision and optical zoom
    XGIMI HORIZON Ultra
    5.1/10
    #5 · 2,300 ISO-lumen 4K lifestyle projector with Dolby Vision and optical zoom
    Dangbei MP1 Max
    5.0/10
    #6 · 3,100 ISO-lumen 4K LED-and-triple-laser lifestyle projector
    XGIMI HORIZON S Pro
    4.9/10
    #7 · 1,800 ISO-lumen 4K lifestyle projector with a 20,000-hour lamp life listing
    XGIMI Halo+
    4.7/10
    #8 · 700 ISO-lumen 1080p portable with a 2.5-hour battery and 25,000-hour lamp life
    XGIMI Elfin Flip 4K
    4.7/10
    #9 · 1,600 ISO-lumen 4K flip portable with a short 0.98–1.3 throw and a 1.2-hour battery listing
    XGIMI MoGo 4
    4.5/10
    #10 · 450 ISO-lumen 1080p MoGo with a 2.5-hour battery
    XGIMI MoGo 4 Laser
    4.5/10
    #11 · 550 ISO-lumen triple-laser 1080p MoGo with a 2.5-hour battery
    Epson Lifestudio Pop Plus
    4.4/10
    #12 · 3.5 lb 4K PRO-UHD lifestyle projector at 700 ISO lumens
    XGIMI MoGo 3 Pro
    4.3/10
    #13 · 450 ISO-lumen 1080p MoGo with dual 5 W Harman speakers
    XGIMI MoGo 2 Pro (New)
    4.3/10
    #14 · 430 ISO-lumen 1080p MoGo with dual 8 W speakers
    XGIMI Elfin Flip Laser
    4.2/10
    #15 · 1,600 ISO-lumen 1080p laser flip portable
    XGIMI Elfin Flip
    4.1/10
    #16 · 400 ISO-lumen 1080p flip portable with a listed 25,000-hour lamp life
    Nebula X1
    4.0/10
    #17 · 3,500 ANSI-lumen 4K triple-laser lifestyle projector with Dolby Vision and a 0.9–1.5 throw
    BenQ GV32
    3.8/10
    #18 · 500 ANSI-lumen 1080p portable with HDR10
    Epson Lifestudio Flex Plus
    3.8/10
    #19 · 4K PRO-UHD lifestyle sibling of the Flex, at 1,000 ISO lumens
    Epson Lifestudio Pop
    3.8/10
    #20 · 3.5 lb 1080p lifestyle projector at 700 ISO lumens
    XGIMI Elfin Flip Plus
    3.8/10
    #21 · 500 ISO-lumen 1080p flip portable at 2.4 lb
    BenQ GS50
    3.7/10
    #22 · 500 ANSI-lumen 1080p portable with HDR10 and a 20 W speaker system
    Epson EF-30
    3.7/10
    #23 · Compact 1080p laser lifestyle projector at 350 ISO lumens
    Formovie Xming Page One
    3.7/10
    #24 · 320 ISO-lumen 1080p Google TV portable with Boston Acoustics speakers
    Nebula Capsule 3
    3.3/10
    #25 · 200 ANSI-lumen 1080p mini projector with a 2.5-hour Eco battery listing
    Nebula Mars 3
    3.3/10
    #26 · 1,000 ANSI-lumen 1080p outdoor/lifestyle projector with a 5-hour Eco battery listing
    ViewSonic M1X
    3.2/10
    #28 · 1.7 lb WVGA portable with a 4-hour battery and 150 ANSI lumens
    Epson Lifestudio Flex
    3.2/10
    #29 · 1080p lifestyle projector with 700 ISO lumens and a built-in speaker
    Optoma Photon Go (ML1080UST)
    3.2/10
    #30 · 1080p triple-laser portable ultra-short-throw with a 1.5-hour battery; lumen standard is mixed on the official page
    Nebula Mars 3 Air
    3.1/10
    #31 · 400 ANSI-lumen 1080p portable with a 2.5-hour Eco battery listing
    BenQ GP100A
    3.0/10
    #32 · 1,000 ANSI-lumen 1080p portable with a 20 W speaker system
    BenQ GV50
    2.9/10
    #33 · 500 ANSI-lumen 1080p laser portable
    XGIMI Vibe One
    2.9/10
    #34 · 250 ISO-lumen 1080p battery portable with JBL speakers and 1.2 hours of playtime
    Formovie Xming Episode One
    2.9/10
    #35 · 150 ISO-lumen 1080p Google TV mini projector at 1.25 kg
    BenQ GV31
    2.8/10
    #36 · 300 ANSI-lumen 1080p portable with a 16 W speaker system
    BenQ GV11
    2.7/10
    #37 · 200 ANSI-lumen WVGA portable with Android TV accessories listed
    Nebula Cosmos Laser 4K
    2.7/10
    #38 · 2,200 ANSI-lumen 4K laser lifestyle projector
    Hisense XR10
    2.7/10
    #39 · 4K triple-laser lifestyle projector listed at 6,000 ANSI lumens peak brightness
    Epson EpiqVision Flex CO-FH02
    2.5/10
    #40 · 3,000 ISO-lumen 1080p smart portable with digital zoom only
    BenQ GV30
    2.3/10
    #41 · 300 ANSI-lumen 720p portable with a 16 W speaker system
    BenQ GV10
    2.0/10
    #42 · Pocket-size WVGA portable at 100 ANSI lumens and 0.85 lb
    Nebula Capsule 3 Laser
    1.4/10
    #43 · 300 ANSI-lumen laser Capsule; other specs were sparse on the official page we used
    Epson EpiqVision Flex CO-W01
    1.1/10
    #44 · 3,000 ISO-lumen WXGA portable without the CO-FH02's smart features
    ViewSonic LX60HD
    1.1/10
    #45 · 630 ANSI-lumen 1080p portable with dual 5 W speakers
    Nebula P1
    1.0/10
    #46 · 650 ANSI-lumen portable with detachable speakers; other specs were sparse on the official page
    Nebula P1i
    0.9/10
    #47 · 380 ANSI-lumen portable with flippable speakers; other specs were sparse on the official page