ProjectorDB

BenQ TK705STi vs Optoma HZ40HDR

BenQ TK705STi is quieter, broader on HDR and in stock. Optoma HZ40HDR is $995.75 cheaper and lighter.

BenQ TK705STi$1,799 · Amazon
Buy
Optoma HZ40HDR$803.25 · Amazon · Used
Buy
Key differences
White light output
3,000 lm ANSI—
Native resolution
—1080p (1920 × 1080)
Throw ratio
0.8:11.48–1.62:1
Lowest input lag
5 msDerived8.6 msDerived
HDR formats
HDR10, HDR10+, HLGHDR10, HLG
Light source
LEDLaser (phosphor)
Fan noise
Normal 28 dB(A) · Eco 24 dB(A)Normal 34 dB(A) · Eco 27 dB(A)
MSRP
$1,999$1,349
Best price
$1,799$803.25
Room fit
Distance to screen
1.8 m3.3–3.6 m
Picture
White light output
3,000 lm ANSI—
Claimed brightness (non-standard)
—4,000 lm
Brightness uniformity
—75%
Imaging technology
DLPDLP
Chip / panel diagonal
0.47 in0.65 in
Native resolution
—1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Addressable resolution
4K UHD (3840 × 2160)—
Dynamic contrast
600,000:12,000,000:1
Colour gamut
Rec. 709 98% coverage—
Colour bit depth (per channel)
10 bit—
Gamma / EOTF presets
—2.2, 2.4
HDR formats
HDR10, HDR10+, HLGHDR10, HLG
Colour management (CMS)
—6-axis
Greyscale control points
11—
3D
—Yes
3D formats
—Frame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
—DLP-Link
Light source
Light source
LEDLaser (phosphor)
Emitter
4-channel LEDBlue laser + phosphor
Light-source life
20,000 h normal · 30,000 h eco30,000 h max
Light output control
Steps—
Optics
Throw ratio
0.8:11.48–1.62:1
Image size
30–300 in20–300 in
Projection offset
100%116%
Zoom
DigitalOptical
Zoom ratio
—1.09×Derived
Focal length
8.5 mm12.81–16.74 mm
Aperture (f-number)
1.82.5–2.67
Focus
MotorisedManual
Autofocus
Yes—
Autofocus runs
When moved—
Vertical lens shift
—None
Vertical keystone
30°30°
Horizontal keystone
20°30°
Auto keystone
YesYes
Corner correction
—4-corner
Auto setup
Fit to screen, Obstacle avoidance—
Interchangeable lens
—No
Motion & gaming
Frame interpolation (MEMC)
Yes—
Max input refresh
—1080p: 120 Hz · 4K UHD: 60 Hz
Input lag
1080p: 60 Hz 5 ms · 4K UHD: 60 Hz 5 ms1080p: 60 Hz 17 ms · 120 Hz 8.6 ms · 4K UHD: 60 Hz 17 ms
Gaming features
ALLM—
Inputs & control
HDMI inputs
2 × HDMI 2.1 (HDCP 2.2)2 × HDMI 2.0
Other video inputs
USB-C (DisplayPort)—
Max input resolution
4K UHD4K UHD
USB media playback
Yes—
Control ports
12 V triggerRS-232
Horizontal scan
15–102 kHz15–140 kHz
Vertical scan
23–120 Hz24–120 Hz
Smart platform
Wi-Fi
Wi-Fi 6—
Bluetooth
5.2—
Smart platform
Google TV—
OS version
11—
Netflix
Built in—
Casting
Chromecast built-in—
Audio
Speaker power
16 W15 W
Speakers
21
Audio outputs
3.5 mm, HDMI eARC, Bluetooth3.5 mm
HDMI audio return
eARCDerivedNoneDerived
Bluetooth speaker mode
Yes—
Physical & installation
Dimensions (W × D × H)
229 × 250 × 168 mm274 × 216 × 114 mm
Weight
3,800 g3,000 g
Colours
—White
Orientations
Table, Ceiling, Rear, Limited tiltTable, Ceiling, Rear, 360°
Ceiling mount
M4M4, screws ≥ 10 mm
Tripod socket
Yes—
Ingress protection
—IP6X
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH—
Altitude
2,000 m · high-altitude mode2,500 m · high-altitude mode
Power draw
Max 250 WMax 139 W · Eco 88 W
Standby
Up to 0.5 WUp to 0.5 W
Networked standby
Up to 2 W—
Power supply
External adapterExternal adapter
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
USB-C PD out
30 W—
Fan noise
Normal 28 dB(A) · Eco 24 dB(A)Normal 34 dB(A) · Eco 27 dB(A)
Safety & support
Laser class
—Class 1
Risk group
—RG2
Eye-protection sensor
Yes—
Warranty
3 yr1 yr (light source 5 yr or 12,000 h)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/TK705STi/TK705STi_UM_EN_260316112414.pdfhttps://region-resource.optoma.com/products/import/Documents/883be603-99a2-4b9e-96fe-36fe3f4eae3e.pdf
In the box
In the box
Power cord, Power adapter, Remote, User manualPower cord, Power adapter, Remote, Remote batteries, User manual
Remote
VoiceIR
BenQ TK705STi$1,799 · Amazon
Buy
Optoma HZ40HDR$803.25 · Amazon · Used
Buy