BenQ TK705i vs Optoma UHZ50

Bold marks the better figure where both are stated to the same standard. “—” means the manufacturer doesn't state it.

	BenQ TK705i MSRP $1,799	Optoma UHZ50 MSRP $2,799
Display system
Imaging technology	DLP	DLP
Technology brand	—	DLP
Number of imaging devices	—	1
Chip / panel model	—	4K UHD HSSI DMD X1, S451
Chip / panel diagonal	0.47 in	0.47 in
Native aspect ratio	16:9	16:9
Native resolution	—	1920 × 1080
Pixel shift	—	XPR 4-way
Addressable resolution	3840 × 2160	3840 × 2160
Optical system description	—	Blue laser phosphor light engine with a yellow phosphor wheel and a colour wheel
Optics
Throw ratio	1–1.3:1	1.21–1.59:1
Projection distance table	50″: 1.11–1.44 m · 60″: 1.33–1.73 m · 70″: 1.55–2.02 m · 80″: 1.77–2.3 m · 90″: 1.99–2.59 m · 100″: 2.21–2.88 m · 110″: 2.44–3.17 m · 120″: 2.66–3.45 m · 130″: 2.88–3.74 m · 140″: 3.1–4.03 m · 150″: 3.32–4.32 m · 160″: 3.54–4.61 m	40″: 1.07–1.41 m · 60″: 1.61–2.11 m · 70″: 1.88–2.46 m · 80″: 2.14–2.82 m · 90″: 2.41–3.17 m · 100″: 2.68–3.52 m · 120″: 3.21–4.22 m · 150″: 4.02–5.28 m · 180″: 4.82–6.34 m · 200″: 5.36–7.04 m · 250″: 6.7–8.8 m
Zoom type	Optical	Optical
Zoom ratio	1.3×	1.3×
Focus	Auto	Manual
Vertical lens shift	—	0–10%
Motorized lens shift	—	No
Fixed offset	100%	105%
Focal length	10.55–13.68 mm	12.81–16.74 mm
F-number	1.8–1.85	1.94–2.23
Image size range	60–150 in	34.1–302 in
Vertical keystone	-30–30°	-30–30°
Horizontal keystone	-20–20°	-30–30°
Corner / warp correction	—	Warp
Light source
Light source type	LED	Laser (phosphor)
Light source detail	4LED	Laser
Light source life	Normal: 20,000 h · Eco: 30,000 h	Rated: 30,000 h
Life definition	—	50% brightness
Constant brightness mode	—	Yes
Cool-down time	—	10 s
Light-source dimming	Manual steps	Manual steps
Brightness
ANSI lumens	3,000 lm	—
Claimed brightness (non-standard)	—	3,000
Claimed brightness unit	—	Unspecified
Brightness by mode	—	Cinema: 1,194 lm · Hdr sim: 1,684 lm · Game: 1,677 lm · Reference: 1,053 lm · Bright: 2,503 lm · User: 1,909 lmMeasured
Brightness uniformity (centre-to-corner)	—	80%
Contrast & black level
Dynamic contrast	600,000:1	2,500,000:1
Dynamic light control	—	Laser dimming
Colour
Rec.709 gamut	98%	—
Gamut metric	Coverage	—
Gamma / EOTF presets	—	2.2, 2.4, 2.6
Bit depth / 'number of colours'	30 bit	10 bit
Calibration & picture control
Colour management system	—	6-axis
Greyscale control points	11	—
ISF certified	—	Yes
HDR
HDR formats	HDR10, HDR10+, HLG	HDR10, HLG
Tone mapping type	—	Adjustable
Motion & gaming
Frame interpolation (MEMC)	Yes	Yes
Max refresh rate	—	1920×1080: 240 Hz · 2560×1440: 120 Hz · 3840×2160: 60 Hz
Input lag (rated)	1920×1080 @ 60 Hz: 5 ms · 3840×2160 @ 60 Hz: 5 ms	1920×1080 @ 60 Hz: 17 ms · 1920×1080 @ 120 Hz: 8.6 ms · 1920×1080 @ 240 Hz: 4.4 ms · 3840×2160 @ 60 Hz: 16.9 ms
Auto low-latency mode	Yes	No
Audio
Speaker power	—	20 W
Speaker count	2	2
Audio channels	—	Stereo
DTS	—	Yes
Audio outputs	3.5 mm, HDMI eARC, Bluetooth	3.5 mm, Optical, HDMI eARC
HDMI ARC	—	Yes
HDMI eARC	Yes	Yes
Bluetooth speaker mode	Yes	—
Bluetooth audio out	Yes	—
Inputs, control & connectivity
Max input signal	3840 × 2160	4096 × 2160
HDMI port count	2	3
HDMI ports (feature-level)	HDMI 1: HDMI 2.1, HDCP 2.2; HDMI 2: HDMI 2.1, HDCP 2.2	HDMI 1: HDMI 2.0, HDCP 2.2, eARC (ENHANCED GAMING LOW LATENCY); HDMI 2: HDMI 2.0, HDCP 2.2; HDMI 3: HDMI 2.0, HDCP 2.2 (PUREMOTION)
Horizontal scan frequency	15–102 kHz	15.38–91.15 kHz
Vertical scan frequency	23–60 Hz	24–120 Hz
USB-C video (DP Alt Mode)	Yes	—
USB media playback	Yes	Yes
RS-232	—	Yes
LAN control	—	Yes
Wired IR input	—	Yes
12 V trigger	Yes	Yes
Control ecosystem drivers	—	Alexa, Google Home
Wi-Fi	Wi-Fi 6	Wi-Fi 5
Bluetooth version	5.2	—
Ethernet	—	Yes
Firmware / software
Smart OS	Google TV	Android (uncertified)
OS version	Android 11	—
Netflix	Native	Native
Casting	Chromecast built-in	—
Storage	—	16 GB
3D
3D support	—	Yes
3D sync method	—	DLP-Link
3D formats	—	Frame packing, Side-by-side, Top-bottom, Frame sequential
Setup automation
Autofocus	When moved	—
Auto keystone	Yes	Yes
Screen fit / alignment	Yes	—
Obstacle avoidance	Yes	—
Eye-protection sensor	Yes	—
Acoustic noise
Fan noise (sound pressure)	Typical: 26 dB(A) · Eco: 24 dB(A)	Typical: 27 dB(A) · Max: 29 dB(A)
Environment & power
Operating temperature	0–40°C	0–40°C
Operating humidity	10–90%RH	10–85%RH
Altitude / high-altitude mode	2,000 m	3,000 m
High-altitude mode	Yes	Yes
Operating orientations	Table, Ceiling, Rear	Table, Ceiling, Rear
Rated voltage	100–240 V	100–240 V
Rated frequency	50–60 Hz	50–60 Hz
Power consumption (max)	250 W	230 W
Power consumption by mode	—	Bright 100 pct 110vac: 240 W · Bright 100 pct 220vac: 230 W · Eco 80 pct 110vac: 185 W · Eco 80 pct 220vac: 175 W
Standby power	0.5 W	0.5 W
Networked standby power	2 W	—
Power supply	External brick	—
USB-C PD output	30 W	—
Physical & installation
Width	229 mm	337 mm
Depth	250 mm	265 mm
Height	168 mm	119 mm
Weight	3.8 kg	4.8 kg
Colours / finishes	—	White
Mount hole pattern	Thread: M4 · Screw length mm: 10	—
Tripod socket	Yes	—
Safety & compliance
Photobiological risk group	—	RG2
Laser product class	—	Class 1 (IEC 60825-1:2014)
FDA variance	—	Complies with 21 CFR 1040.10 and 1040.11 as a Risk Group 2 LIP; see Laser Notice No. 57, dated May 8, 2019
Safety & market certifications	—	CE, FCC
Support & ownership
Warranty	🇺🇸 US 3 yr	—
User manual	https://www.projectorcentral.com/pdf/projector_manual_12813.pdf	https://region-resource.optoma.com/products/import/Documents/c60e8ce7-6032-45ec-a343-21f52fef801c.pdf
In the box
Box contents	Projector, Remote, Batteries, Power adapter, Power cord, Quick start guide, User documents	Power cord, Remote, Batteries, Quick start guide, Wifi dongle
Remote type	Bluetooth	Backlit