BenQ TK700ST vs Optoma UHD38x

BenQ TK700ST is lighter. Optoma UHD38x is $400 cheaper, brighter and quieter.

BenQ TK700ST$1,399 · Amazon
Buy
Optoma UHD38x$999 · Amazon
Buy
Key differences
White light outputANSI
3,000 lm ANSI4,000 lm ANSIPreliminary
Native resolution
—1080p (1920 × 1080)
Throw ratio
0.9–1.08:11.5–1.66:1
Fan noise
Normal 34 dB(A) · Eco 28 dB(A)Normal 28 dB(A) · Eco 26 dB(A)
MSRP
$1,799—
Best price
$1,399$999
Room fit
Distance to screen
2.0–2.4 m3.3–3.7 m
Picture
White light outputANSI
3,000 lm ANSI4,000 lm ANSIPreliminary
Claimed brightness (non-standard)
—4,000 lm
Brightness uniformity
—80%
Imaging technology
DLPDLP
Chip / panel diagonal
—0.47 in
Native resolution
—1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Addressable resolution
4K UHD (3840 × 2160)4K UHD (3840 × 2160)
Dynamic contrast
10,000:11,000,000:1
Dynamic contrast method
Light-source dimming—
Colour gamut
Rec. 709 96% coverage—
Colour bit depth (per channel)
10 bit—
Gamma / EOTF presets
2.2, 2.4, 2.62.2, 2.4
Colour temperature presets
NativeD93, D65, D55, Native
HDR formats
HDR10, HLGHDR10, HLG
Colour management (CMS)
6-axis6-axis
Picture certifications
—ISF
3D
YesYes
3D formats
Frame packing, Side-by-side, Top-bottom, Frame sequentialFrame packing
Light source
Light source
LampLamp
Lamp power
240 W240 W
Light-source life
4,000 h normal · 10,000 h eco · 15,000 h super eco · 8,000 h dynamic4,000 h max · 10,000 h eco · 15,000 h dynamic
Warm-up time
30 s—
Cool-down time
90 s90 s
Optics
Throw ratio
0.9–1.08:11.5–1.66:1
Image size
—33–300 in
Projection offset
110%105%
Zoom
OpticalOptical
Zoom ratio
1.2×Derived1.11×Derived
Focal length
9.25–11.1 mm15.84–17.42 mm
Aperture (f-number)
1.94–2.051.98–2.02
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
—None
Vertical keystone
30°40°
Horizontal keystone
30°40°
Auto keystone
Yes—
Grid warp
—Yes
Motion & gaming
Max input refresh
1080p: 240 Hz · 4K UHD: 60 Hz1080p: 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 ms1080p: 240 Hz 4.2 ms
Inputs & control
HDMI inputs
2 × HDMI 2.0 (HDCP 2.2)2 × HDMI 2.0 (HDCP 2.2)
Max input resolution
4K UHDDCI 4K
Control ports
RS-232, Wired IRRS-232, 12 V trigger
Horizontal scan
15–135 kHz31–135 kHz
Vertical scan
23–120 Hz24–120 Hz
Audio
Speaker power
5 W10 W
Speakers
11
Layout
Mono—
Tuned by
treVolo, Bongiovi DPS—
Audio formats
Dolby Atmos—
Audio outputs
3.5 mm, HDMI eARC3.5 mm
HDMI audio return
eARCDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
312 × 246 × 110 mm315 × 270 × 118 mm
Weight
3,100 g3,980 g
Colours
—White
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Ceiling mount
M4—
Environment & power
Operating temperature
0–40°C5–40°C
Operating humidity
10–90%RH10–85%RH
Altitude
3,000 m · high-altitude mode3,000 m · high-altitude mode
Power draw
Max 380 W · Normal 305 WMax 305 W · Eco 220 W
Standby
Up to 0.5 W0.5 W
Power supply
—Built in
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 34 dB(A) · Eco 28 dB(A)Normal 28 dB(A) · Eco 26 dB(A)
Safety & support
Risk group
RG2RG2
Marks
—FCC
Warranty
3 yr1 yr (light source 3 mo)
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/TK700ST/TK700ST_UM_ES_240719113010.pdfhttps://region-resource.optoma.com/products/import/Documents/13cdc4ab-4017-4930-a4fd-d023d407c4fe.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guide, User manual, Warranty cardPower cord, Remote, Remote batteries, User manual
Remote
IRBacklit
BenQ TK700ST$1,399 · Amazon
Buy
Optoma UHD38x$999 · Amazon
Buy