BenQ LK936ST vs NEC NP-PA622U

BenQ LK936ST is $1,700 cheaper, lighter and in stock. NEC NP-PA622U is brighter.

Key differences
White light outputANSI
5,100 lm ANSI6,200 lm ISO (Bright mode) · 6,200 lm ANSI (Bright mode)
Native resolution
—WUXGA (1920 × 1200)
Throw ratio
0.81–0.89:11.5–3.02:1
Lowest input lag
16.7 msDerived—
HDR formats
HDR10, HLG—
Light source
Laser (phosphor)Lamp
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Normal 39 dB(A) · Eco 33 dB(A)
MSRP
—$6,599
Best price
$4,899—
Room fit
Distance to screen
1.8–2.0 m3.2–6.5 m
Picture
White light outputANSI
5,100 lm ANSI6,200 lm ISO (Bright mode) · 6,200 lm ANSI (Bright mode)
Brightness by mode
—Max 6,200 lm · Eco 4,960 lm
Eco brightness
—80%Derived
Imaging technology
DLP3LCD
Chip / panel diagonal
—0.76 in
Panel alignment
—Whole-image
Native resolution
—WUXGA (1920 × 1200)
Native aspect
16:9Derived16:10Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
3,000,000:16,000:1
Colour gamut
Rec. 709 92% coverage—
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
2.2, 2.4, 2.6—
HDR formats
HDR10, HLG—
Colour management (CMS)
6-axis6-axis
Picture mode memories
—7
3D
YesYes
3D formats
Frame sequentialFrame packing, Side-by-side, Top-bottom
3D glasses sync
DLP-LinkRF
Light source
Light source
Laser (phosphor)Lamp
Lamp power
—350 W
Replacement lamp
—NP26LP
Light-source life
20,000 h3,000 h normal · 4,000 h eco
Light output control
—Steps
Warm-up time
30 s—
Cool-down time
90 s—
Optics
Throw ratio
0.81–0.89:11.5–3.02:1
Image size
30–300 in30–500 in
Zoom
OpticalOptical
Zoom ratio
1.1×Derived2.01×Derived
Focal length
8.6–9.4 mm—
Aperture (f-number)
1.83–1.86—
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
±60%-10–50%
Horizontal lens shift
±23%±30%
Motorised lens shift
NoNo
Vertical keystone
40°40°
Horizontal keystone
40°40°
Auto keystone
Yes—
Grid warp
YesYes
Interchangeable lens
—Yes
Motion & gaming
Input lag
1080p: 60 Hz 16.7 ms · 4K UHD: 60 Hz 16.7 ms—
Inputs & control
HDMI inputs
HDMI 2.0 (HDCP 2.2) · HDMI 2.0 (eARC, HDCP 2.2)2 × HDMI
Other video inputs
HDBaseTVGA, HDBaseT
Max input resolution
4K UHDDCI 4K
Audio inputs
—3.5 mm
USB media playback
—Yes
Control ports
RS-232, Wired IR, 12 V triggerRS-232, Wired IR
PJLink
—Class 1
Control-system drivers
CrestronCrestron
Horizontal scan
15–135 kHz15–153 kHz
Vertical scan
23–240 Hz24–120 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
10 W10 W
Speakers
11
Layout
MonoMono
Audio formats
Dolby Atmos—
Audio outputs
3.5 mm, Optical, HDMI eARC3.5 mm
HDMI audio return
eARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
416 × 351 × 166 mm499 × 359 × 142 mm
Weight
7,000 g8,400 g
Orientations
—Table, Ceiling, Rear, Portrait, 360°
Dust filter
NoneReplaceable
Ingress protection
IP5X—
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C5–40°C
Operating humidity
10–90%RH20–80%RH
Altitude
3,000 m · high-altitude mode3,650 m · high-altitude mode
Power draw
Max 520 W · Normal 440 WMax 483 W · Normal 460 W · Eco 362 W
Standby
Up to 0.5 W0.16 W
Networked standby
Up to 2 W7.9 W
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 40 dB(A) · Eco 33 dB(A)Normal 39 dB(A) · Eco 33 dB(A)
Safety & support
Laser class
Class 1—
Risk group
RG2—
Marks
—CE
Warranty
3 yr🇪🇺 EU 3 yr (light source 6 mo or 1,000 h) · 🇺🇸 US 3 yr
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20BUSINESS/UserManual/LK936ST/LK936ST_UM_EN_241101130452.pdfhttps://www.sharp-nec-displays.com/support/webdl/dl_service/data/manual/english/PA622U_manual_ENG.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, Quick start guide, Lens cap, Software CD
Remote
—IR
BenQ LK936ST$4,899 · Amazon
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