Projectors Comparison: LG HU80KA vs BenQ TH671ST

Compare detailed specifications, side-by-side differences, verified user reviews, and buying recommendations to help you make the right choice.

LG HU80KA

LG HU80KA

  • Brand LG
  • Aspect Ratio 16:9
  • REMOTE CONTROL true
  • Weight, Kg/pounds 6.7/13.2
  • Native Resolution 3840 x 2160
BenQ TH671ST

BenQ TH671ST

  • Brand BenQ
  • Aspect Ratio 16:9
  • REMOTE CONTROL true
  • Weight, Kg/pounds 2.2/5.9
  • Native Resolution 1920 x 1080

Quick Verdict: Which One Should You Choose?

Deciding between the LG HU80KA and the BenQ TH671ST depends on your available space, storage capacity goals, and everyday usage style:

Best For Maximum Capacity

LG HU80KA

Designed for large households, bulk grocery shoppers, and long-term storage where total cubic feet is the highest priority.

  • Superior Volume: Easily stores bulk meats, frozen garden harvests, and family packs.
  • Cold Retention: Keeps food frozen significantly longer in power outages.
  • Energy Efficiency: Top-opening design keeps dense cold air trapped inside.
Best For Compact Spaces

BenQ TH671ST

Ideal for apartments, offices, dorms, or secondary kitchen use where space efficiency and neat organization are paramount.

  • Space-Saving Footprint: Fits neatly under counters or in compact corners without intruding.
  • Upright Organization: Shelves allow you to organize and grab items without digging.
  • Everyday Convenience: Front-swing door provides quick, easy access anytime.

Product Analysis - Choose the best one

LG HU80KA

LG HU80KA...

LG HU80KA: Laser Type 4K/HDR Projector with Wireless Connectivity

LG HU80KA

This high-end LG HU80KA 4K UHD projector is innovative and full of features including the native 4K UHD image quality, HDR support, wireless streaming, and so on.

The unit is versatile and can be installed upright on any surface. It has an unusual design, can provide a cris

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BenQ TH671ST

BenQ TH671ST...

start (4.8)

BenQ TH671ST: ANSI Projector with Short Throw Distance and Low Input Lag

BenQ TH671ST

If you’re looking for the middle-class entertainment projector with diverse connectivity and bright display, take a look at the BenQ TH671ST review. This projector has won an award as a gaming projector in 2019, thanks to its short throw, large screen, fast resp

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Pros & Cons

BenQ TH671ST

VS

Pros

    • High brightness and contrast
    • Gaming-specific picture modes
    • High refresh rate support

Cons

    • Mediocre black levels

Specifications

Specification LG HU80KA BenQ TH671ST
Properties
Projection System DLP DLP
Projection Screen Size, Inch 40 - 150 60 - 180
Pixel Number 8847360 2304000
Color Reproduction 1.07 billion 1.07 billion
Throw Ratio Range 1.32:1 - 1.58:1 0.69 - 0.83
Contrast Ratio 150000:1 10000:1
Brightness, Lumens 2500 3000
Power Consumption, W 250 355
Input Lag, Ms 70 16
Aspect Ratio 16:9 16:9
Noise Level, DBA 30 33
Projection Distance, M/ft 1.1 - 4.3/3.2 - 13.1 0.9 - 3.3/3.2 - 9.8
Features
Projection Method front, ceiling mount, tabletop front, rear, ceiling mount, tabletop
Security Kensington lock, password protection Kensington lock, password protection
3D No No
Mouse Functions Yes No
REMOTE CONTROL Yes Yes
Connectivity
Audio Output (3.5mm) No 1
Audio Input (3.5mm) No 1
USB (service) No 1
Audio Input (RCA) 1 No
USB 2 1
Composite Video Input (RCA) 1 No
12V Trigger No No
VGA Input No 1
RS232 (DB-9pin) No 1
MHL No No
Ethernet (RJ45) Yes No
SPDIF (optical) 1 No
Audio
Integrated Speakers Yes Yes
Sound Type stereo mono
Speaker Power, W 14 1
Lens
Lens Shift — vertical +/- 40%
Focal Length, Mm — 10.2 - 12.24
F-number — 2.6 - 2.78
Zoom Ratio — 1.2x
Dimensions
Weight, Kg/pounds 6.7/13.2 2.2/5.9
Size W X H X D, сm/inches 18.5 x 6.2 x 6.2/47 x 16 x 16 27.9 x 10.1 x 22.8/11.7 x 4.6 x 9.5 inches
Resolution
Resolution Abbreviation 4K Full HD
Max Resolution (resized) 4096 x 2160 1920 x 1200
Native Resolution 3840 x 2160 1920 x 1080
Video Compatibility
SECAM Yes Yes
PAL Yes Yes
NTSC Yes Yes
Operating Temperature
Max, C/F — 40/104
Min, C/F — 0/32
Lamp
Lamp Life (eco Mode), Hours 20000 15000
Lamp Life (normal Mode), Hours 20000 10000
Lamp Type, W — 240
Settings
Keystone Adjustment Horizontal, +- Degrees — No
Keystone Adjustment Vertical, +- Degrees — 40

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Frequently Asked Questions

The main differences center around storage capacity, form factor, and convenience. The LG HU80KA provides extensive bulk storage capacity best suited for homes, garages, or basements needing deep freeze space. In contrast, the BenQ TH671ST offers a compact upright design that fits into smaller spaces with convenient shelf organization.

Chest-style freezers generally excel in thermal efficiency because cold air naturally settles at the bottom and does not escape when the lid is lifted. Compact upright models have lower total kilowatt-hour usage simply due to their smaller cubic volume, making both designs efficient for their respective intended purposes.

Both products are available through official brand stores and authorized retailers with full manufacturer warranties and fast delivery options. Click the "Check Best Price" buttons in the comparison cards above to view today's latest promotions, official deals, and current availability.

Measure your available floor clearance first. If you have open space in a garage, basement, or utility room and want to freeze items in bulk, choose the LG HU80KA. If you have limited room in a kitchen, apartment, dorm, or office and prefer easy eye-level access to items, choose the BenQ TH671ST.