ProjectorDB

BenQ TK705STi vs BenQ TK850

BenQ TK705STi is better for gaming, quieter and lighter. BenQ TK850 is $100 cheaper.

BenQ TK705STi$1,799 · Amazon
Buy
BenQ TK850MSRP $1,699
Key differences
Native resolution
—1080p (1920 × 1080)
Throw ratio
0.8:11.13–1.47:1
Lowest input lag
5 msDerived83.34 msDerived
HDR formats
HDR10, HDR10+, HLGHDR10, HLG
Light source
LEDLamp
Fan noise
Normal 28 dB(A) · Eco 24 dB(A)Normal 30 dB(A) · Eco 28 dB(A)
MSRP
$1,999$1,699
Best price
$1,799—
Room fit
Distance to screen
1.8 m2.5–3.3 m
Picture
White light outputANSI
3,000 lm ANSI3,000 lm ANSI
Imaging technology
DLPDLP
Chip / panel diagonal
0.47 in0.47 in
Native resolution
—1080p (1920 × 1080)
Native aspect
16:9Derived16:9Derived
Pixel shift
—XPR 4-way
Addressable resolution
4K UHD (3840 × 2160)4K UHD (3840 × 2160)
Colour wheel segments
—4
Colour wheel speed
—2×
Dynamic contrast
600,000:130,000:1
Colour gamut
Rec. 709 98% coverageRec. 709 98% coverage
Colour bit depth (per channel)
10 bit10 bit
Gamma / EOTF presets
—2.2, 2.4, 2.6
HDR formats
HDR10, HDR10+, HLGHDR10, HLG
Colour management (CMS)
—6-axis
Greyscale control points
11—
3D
—Yes
3D glasses sync
—DLP-Link
Light source
Light source
LEDLamp
Emitter
4-channel LED—
Lamp power
—245 W
Replacement lamp
—5J.JKC05.001
Light-source life
20,000 h normal · 30,000 h eco4,000 h normal · 10,000 h eco · 15,000 h super eco
Light output control
Steps—
Optics
Throw ratio
0.8:11.13–1.47:1
Image size
30–300 in30–300 in
Projection offset
100%100%
Zoom
DigitalOptical
Zoom ratio
—1.3×Derived
Focal length
8.5 mm12–15.6 mm
Aperture (f-number)
1.81.9–2.47
Focus
Motorised—
Autofocus
Yes—
Autofocus runs
When moved—
Vertical lens shift
—0–10%
Vertical keystone
30°30°
Horizontal keystone
20°—
Auto keystone
YesYes
Auto setup
Fit to screen, Obstacle avoidance—
Lens elements
—10
Motion & gaming
Frame interpolation (MEMC)
YesYes
Input lag
1080p: 60 Hz 5 ms · 4K UHD: 60 Hz 5 ms1080p: 60 Hz 83.3 ms · 4K UHD: 60 Hz 83.3 ms
Gaming features
ALLM—
Inputs & control
HDMI inputs
2 × HDMI 2.1 (HDCP 2.2)HDMI 2.0 (ARC, HDCP 2.2) · HDMI 2.0 (HDCP 2.2)
Other video inputs
USB-C (DisplayPort)—
Max input resolution
4K UHD4K UHD
USB media playback
YesYes
Control ports
12 V triggerRS-232
Horizontal scan
15–102 kHz15–135 kHz
Vertical scan
23–120 Hz23–120 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 W—
Speakers
22
Audio outputs
3.5 mm, HDMI eARC, Bluetooth3.5 mm, Optical, HDMI ARC
HDMI audio return
eARCDerivedARCDerived
Bluetooth speaker mode
Yes—
Physical & installation
Dimensions (W × D × H)
229 × 250 × 168 mm380 × 263 × 127 mm
Weight
3,800 g4,200 g
Orientations
Table, Ceiling, Rear, Limited tiltTable, Ceiling, Rear
Ceiling mount
M4M4, 20–25 mm screws
Tripod socket
Yes—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
10–90%RH10–90%RH
Altitude
2,000 m · high-altitude mode—
Power draw
Max 250 WMax 350 W · Normal 340 W · Eco 280 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
USB-C PD out
30 W—
Fan noise
Normal 28 dB(A) · Eco 24 dB(A)Normal 30 dB(A) · Eco 28 dB(A)
Safety & support
Eye-protection sensor
Yes—
Warranty
3 yr3 yr
User manual
https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/TK705STi/TK705STi_UM_EN_260316112414.pdfhttps://esupportdownload.benq.com/esupport/PROJECTOR/UserManual/TK850/TK850_UM_EN_191104132736.pdf
Spare parts
—Lamp 5J.JKC05.001
In the box
In the box
Power cord, Power adapter, Remote, User manualPower cord, Remote, Remote batteries, Quick start guide, Lens cap
Remote
VoiceIR · backlit
BenQ TK705STi$1,799 · Amazon
Buy
BenQ TK850MSRP $1,699