BenQ LH650 vs Optoma ZK430ST

BenQ LH650 is $649.30 cheaper and lighter. Optoma ZK430ST is better for gaming.

BenQ LH650$1,449 · Amazon
Buy
Optoma ZK430ST$2,098.30 · Amazon
Buy
Key differences
White light output
4,000 lm ISO · 4,000 lm ANSI—
Native resolution
1080p (1920 × 1080)—
Throw ratio
1.15–1.5:10.5:1
Lowest input lag
8.3 msDerived4.4 msDerived
Fan noise
Normal 34 dB(A) · Eco 28 dB(A)Max 35 dB(A)
MSRP
$1,449$5,199
Best price
$1,449$2,098.30
Room fit
Distance to screen
2.5–3.3 m1.1 m
Picture
White light output
4,000 lm ISO · 4,000 lm ANSI—
Claimed brightness (non-standard)
—3,700 lm
Brightness uniformity
—75%
Imaging technology
DLPDLP
Chip / panel diagonal
0.65 in0.65 in
Native resolution
1080p (1920 × 1080)—
Native aspect
16:9Derived16:9Derived
Addressable resolution
—4K UHD (3840 × 2160)
Colour wheel segments
6—
Dynamic contrast
3,000,000:1300,000:1
Dynamic contrast method
Light-source dimming—
Colour gamut
Rec. 709 92% coverage—
Colour bit depth (per channel)
10 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-axis6-axis
Picture mode memories
2—
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialFrame sequential
3D glasses sync
—DLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Light-source life
20,000 h normal · 20,000 h eco · 20,000 h dynamic30,000 h
Light output control
ContinuousSteps
Warm-up time
10 s—
Cool-down time
2 s—
Optics
Throw ratio
1.15–1.5:10.5:1
Image size
30–300 in36–300 in
Projection offset
106%116%
Zoom
OpticalNone
Zoom ratio
1.3×Derived—
Focal length
16.88–21.88 mm7.51 mm
Aperture (f-number)
2.59–2.872.8
Focus
ManualManual
Autofocus
No—
Vertical keystone
30°15°
Horizontal keystone
30°15°
Auto keystone
Yes—
Corner correction
4-corner4-corner
Grid warp
—Yes
Motion & gaming
Max input refresh
1080p: 120 Hz · 4K UHD: 60 Hz1080p: 240 Hz
Input lag
1080p: 120 Hz 8.3 ms1080p: 240 Hz 4.4 ms
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 2.0
Other video inputs
USB-C (DisplayPort)—
Max input resolution
4K UHDDCI 4K
Control ports
RS-232RS-232
PJLink
None—
Control-system drivers
—AMX
Horizontal scan
15–135 kHz15–140 kHz
Vertical scan
23–120 Hz24–240 Hz
Smart platform
Wi-Fi
None—
Ethernet
NoYes
Audio
Speaker power
10 W15 W
Speakers
11
Layout
Mono—
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
304 × 225 × 112 mm274 × 216 × 114 mm
Weight
2,900 g3,200 g
Colours
WhiteWhite
Orientations
Table, Ceiling, RearPortrait, 360°
Ceiling mount
—M4, screws ≥ 10 mm
Dust filter
None—
Ingress protection
IP5XIP6X
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH—
Altitude
3,000 m · high-altitude mode762 m
Power draw
Max 275 W · Normal 200 WMax 185 W · Eco 126 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
Fan noise
Normal 34 dB(A) · Eco 28 dB(A)Max 35 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
FDA laser notice
—Notice 57
Marks
—FCC
Warranty
3 yr1 yr (light source 5 yr or 12,000 h)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/LH650/UM_EN_240620171822.pdfhttps://region-resource.optoma.com/products/import/Documents/cbd58627-8cc5-43de-9633-fa24cd20bd45.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty card, HDMI cablePower cord, Remote, Remote batteries, User manual
Remote
IRIR
BenQ LH650$1,449 · Amazon
Buy
Optoma ZK430ST$2,098.30 · Amazon
Buy