BenQ LK830ST vs Optoma ZU507TST

BenQ LK830ST is $1,251.94 cheaper, better for gaming and quieter. Optoma ZU507TST is sharper.

BenQ LK830ST$2,599 · Amazon
Buy
Optoma ZU507TST$3,850.94 · Amazon
Buy
Key differences
White light output
4,000 lm ANSI—
Native resolution
1080p (1920 × 1080)WUXGA (1920 × 1200)
Throw ratio
0.5:10.58:1
Lowest input lag
4.2 msDerived8.2 msDerived
Fan noise
Normal 30 dB(A) · Eco 24 dB(A)Normal 36 dB(A) · Eco 33 dB(A)
MSRP
$2,499$5,249
Best price
$2,599$3,850.94
Room fit
Distance to screen
1.1 m1.2 m
Picture
White light output
4,000 lm ANSI—
Claimed brightness (non-standard)
—5,000 lm
Brightness uniformity
—85%
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in—
Native resolution
1080p (1920 × 1080)WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Pixel shift
XPR 4-way—
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:1300,000:1
Colour gamut
Rec. 709 93% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.62.2, 2.4
HDR formats
HDR10, HLGHDR10, HLG
Tone mapping
Adjustable—
Colour management (CMS)
6-axis—
Picture mode memories
2—
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialSide-by-side, Top-bottom, Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Light engine
—DuraCore
Light-source life
20,000 h normal · 30,000 h eco30,000 h
Light output control
ContinuousSteps
Constant brightness mode
—Yes
Cool-down time
—90 s
Optics
Throw ratio
0.5:10.58:1
Image size
70–300 in30–300 in
Projection offset
114%110%
Zoom
DigitalNone
Focal length
17.51 mm8.51 mm
Aperture (f-number)
2.82.75
Focus
ManualManual
Autofocus
—No
Vertical lens shift
None-100–110%
Horizontal lens shift
None±4%
Motorised lens shift
—No
Vertical keystone
30°15°
Horizontal keystone
30°15°
Auto keystone
YesYes
Corner correction
4-corner4-corner
Grid warp
Yes—
Interchangeable lens
No—
Motion & gaming
Max input refresh
1080p: 120 Hz · 240 Hz · 4K UHD: 60 Hz1080p: 120 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 ms1080p: 60 Hz 16.2 ms · 120 Hz 8.2 ms · 4K UHD: 60 Hz 16.2 ms
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 2.0
Other video inputs
—VGA, Composite, HDBaseT
Max input resolution
4K UHDDCI 4K
Audio inputs
—3.5 mm
Control ports
RS-232RS-232, 12 V trigger
PJLink
—Class 2
Control-system drivers
AMXCrestron, AMX
Horizontal scan
15–135 kHz15–140 kHz
Vertical scan
23–240 Hz24–120 Hz
Smart platform
Wi-Fi
None—
Ethernet
YesYes
Audio
Speaker power
15 W10 W
Speakers
12
Layout
MonoStereo
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
279 × 229 × 121 mm374 × 302 × 117 mm
Weight
3,600 g5,300 g
Colours
Black—
Orientations
Ceiling, RearPortrait, 360°
Ceiling mount
M4M4, screws ≥ 5 mm
Ingress protection
IP6X (light engine)IP6X
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–80%RH10–85%RH
Altitude
3,000 m · high-altitude mode—
Power draw
Max 250 W · Normal 230 W · Eco 130 WMax 366 W · Eco 240 W
Standby
Up to 0.5 WUp to 0.5 W
Networked standby
Up to 2 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 36 dB(A) · Eco 33 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
—Notice 57
Marks
—FCC
Warranty
3 yr3 yr
User manual
https://www.audiogeneral.com/BenQ/LK830ST/LK830ST_LH830ST_LW830ST_User_Manual.pdfhttps://region-resource.optoma.com/products/import/Documents/98c447dd-b8c6-4e8f-a7e9-bfc55ea19fd3.pdf
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
BacklitIR · backlit
BenQ LK830ST$2,599 · Amazon
Buy
Optoma ZU507TST$3,850.94 · Amazon
Buy