ProjectorDB

BenQ TK705STi vs BenQ TK850i

BenQ TK705STi is better for gaming, quieter and lighter.

BenQ TK705STi$1,799 · Amazon
Buy
BenQ TK850iMSRP $1,799
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$1,799
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
Dynamic contrast method
—Dynamic iris
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
Colour temperature presets
—Native
HDR formats
HDR10, HDR10+, HLGHDR10, HLG
Tone mapping (maker name)
—HDR-PRO
Colour management (CMS)
—6-axis
Greyscale control points
11—
3D
—Yes
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—
Warm-up time
—30 s
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
MotorisedManual
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) · HDMI 2.0 (HDCP 2.2, internal)
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 6Wi-Fi 5
Bluetooth
5.24.2
Smart platform
Google TVAndroid TV
OS version
119
Google-certified
—Yes
Chipset
—Amlogic S905Y2
RAM
—2 GB
Storage
—16 GB
Netflix
Built inNo
Casting
Chromecast built-inChromecast built-in
Audio
Speaker power
16 W10 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 mode3,000 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/TK850i/TK850i_UM_EN_200804170913.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, Warranty card, Streaming dongle
Remote
VoiceIR · Bluetooth · voice · backlit
BenQ TK705STi$1,799 · Amazon
Buy
BenQ TK850iMSRP $1,799