ProjectorDB

BenQ LK830ST vs Epson PowerLite 775F

BenQ LK830ST is quieter and lighter. Epson PowerLite 775F is $354.33 cheaper.

BenQ LK830ST$2,599 · Amazon
Buy
Epson PowerLite 775F$2,244.67 · Amazon
Buy
Key differences
White light output
4,000 lm ANSI4,100 lm ISO
Throw ratio
0.5:10.25–0.35:1
Lowest input lag
4.2 msDerived—
HDR formats
HDR10, HLG—
Fan noise
Normal 30 dB(A) · Eco 24 dB(A)Normal 37 dB(A) · Eco 27 dB(A)
MSRP
$2,499$2,247
Best price
$2,599$2,244.67
Room fit
Distance to screen
1.1 m0.55–0.77 m
Picture
White light output
4,000 lm ANSI4,100 lm ISO
Colour light output
—4,100 lm
Brightness by mode
—Normal 4,100 lm · Eco 2,800 lm
Eco brightness
—68%Derived
Imaging technology
DLP3LCD
Chip / panel diagonal
0.65 in—
Panel alignment
—Whole-image
Native resolution
1080p (1920 × 1080)1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Pixel shift
XPR 4-way—
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:1Over 2,500,000:1
Colour gamut
Rec. 709 93% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
HDR10, HLG—
Tone mapping
Adjustable—
Colour management (CMS)
6-axis—
Picture mode memories
2—
3D
Yes—
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequential—
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
—Blue laser + phosphor
Laser wavelengths
—B 455 nm
Light-source life
20,000 h normal · 30,000 h eco20,000 h normal · 30,000 h eco
Life defined as
—50% brightness
Light output control
ContinuousContinuous
Constant brightness mode
—Yes
Optics
Throw ratio
0.5:10.25–0.35:1
Image size
70–300 in60–150 in
Projection offset
114%—
Zoom
DigitalDigital
Focal length
17.51 mm3.7 mm
Aperture (f-number)
2.81.6
Focus
ManualManual
Vertical lens shift
NoneNone
Horizontal lens shift
NoneNone
Vertical keystone
30°3°
Horizontal keystone
30°3°
Auto keystone
Yes—
Corner correction
4-corner4-corner
Grid warp
YesYes
Interchangeable lens
NoNo
Motion & gaming
Max input refresh
1080p: 120 Hz · 240 Hz · 4K UHD: 60 Hz—
Input lag
1080p: 60 Hz 16.7 ms · 120 Hz 8.3 ms · 240 Hz 4.2 ms · 4K UHD: 60 Hz 16.7 ms—
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)3 × HDMI
Other video inputs
—VGA, Composite
Max input resolution
4K UHD—
Audio inputs
—3.5 mm
USB media playback
—Yes
Control ports
RS-232RS-232
Control-system drivers
AMXCrestron
Horizontal scan
15–135 kHz—
Vertical scan
23–240 Hz—
Smart platform
Wi-Fi
NoneWi-Fi 5
Ethernet
YesYes
Casting
—Miracast
Audio
Speaker power
15 W16 W
Speakers
11
Layout
MonoMono
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
279 × 229 × 121 mm356 × 395 × 133 mm
Weight
3,600 g5,900 g
Colours
BlackBlack
Orientations
Ceiling, RearTable, Ceiling, Rear, Portrait, 360°
Ceiling mount
M4—
Dust filter
—Replaceable
Ingress protection
IP6X (light engine)—
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–80%RH20–80%RH
Altitude
3,000 m · high-altitude mode3,048 m · high-altitude mode
Power draw
Max 250 W · Normal 230 W · Eco 130 WNormal 277 W · Eco 208 W
Standby
Up to 0.5 W0.5 W
Networked standby
Up to 2 W2 W
Power supply
External adapter—
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
DC input
24 V—
Fan noise
Normal 30 dB(A) · Eco 24 dB(A)Normal 37 dB(A) · Eco 27 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
—Notice 57
Marks
—FCC, UL
Warranty
3 yr🇺🇸 US 3 yr or 20,000 h · 🇨🇦 CA 3 yr or 20,000 h
User manual
https://www.audiogeneral.com/BenQ/LK830ST/LK830ST_LH830ST_LW830ST_User_Manual.pdfhttps://files.support.epson.com/docid/cpd6/cpd63099.pdf
Spare parts
—Air filter V13H134A60 · Mount V12HA06A05
In the box
In the box
Power cord, Power adapter, Remote, Remote batteries, Quick start guide, Warranty cardPower cord, Remote, Remote batteries, Quick start guide
Remote
Backlit—
BenQ LK830ST$2,599 · Amazon
Buy
Epson PowerLite 775F$2,244.67 · Amazon
Buy