Optoma GT2300HDR vs Optoma GT3900UHD

Optoma GT2300HDR is $400 cheaper and quieter. Optoma GT3900UHD is brighter and better for gaming.

Optoma GT2300HDR$1,099 · Amazon
Buy
Optoma GT3900UHD$1,499 · Amazon
Buy
Key differences
White light outputISO
3,600 lm ISO4,000 lm ISO
Native resolution
1080p (1920 × 1080)—
Lowest input lag
8.4 msDerived4.3 msDerived
Fan noise
Normal 31 dB(A) · Eco 29 dB(A)Normal 35 dB(A) · Eco 28 dB(A)
MSRP
$1,099$1,899
Best price
$1,099$1,499
Room fit
Distance to screen
1.1 m1.1 m
Picture
White light outputISO
3,600 lm ISO4,000 lm ISO
Brightness uniformity
75%75%
Imaging technology
DLPDLP
Native resolution
1080p (1920 × 1080)—
Native aspect
16:9Derived16:9Derived
Pixel shift
None—
Addressable resolution
—4K UHD (3840 × 2160)
Dynamic contrast
2,000,000:12,000,000:1
Colour bit depth (per channel)
10 bit—
Gamma / EOTF presets
—2.2, 2.4
HDR formats
HDR10, HLGHDR10, HLG
Colour management (CMS)
—6-axis
Picture certifications
—ISF
3D
YesYes
3D formats
Side-by-side, Top-bottom, Frame sequentialFrame packing, Side-by-side, Top-bottom, Frame sequential
3D glasses sync
DLP-LinkDLP-Link
Light source
Light source
Laser (phosphor)Laser (phosphor)
Emitter
Blue laser + phosphorBlue laser + phosphor
Light engine
DuraCoreDuraCore
Light-source life
30,000 h eco30,000 h eco
Light output control
—Steps
Constant brightness mode
—Yes
Warm-up time
—10 s
Cool-down time
—10 s
Optics
Throw ratio
0.5:10.5:1
Image size
30–300 in30–150 in
Projection offset
116%114%
Zoom
NoneNone
Focal length
7.51 mm7.51 mm
Aperture (f-number)
2.82.8
Focus
ManualManual
Autofocus
NoNo
Vertical lens shift
—None
Horizontal lens shift
—None
Vertical keystone
15°15°
Horizontal keystone
15°15°
Corner correction
4-corner—
Grid warp
—Yes
Auto setup
Fit to screen, Obstacle avoidance—
Interchangeable lens
No—
Motion & gaming
Max input refresh
1080p: 120 Hz1080p: 240 Hz · 4K UHD: 60 Hz
Input lag
1080p: 60 Hz 16.7 ms · 120 Hz 8.4 ms · 4K UHD: 60 Hz 16.7 ms1080p: 60 Hz 16.7 ms · 120 Hz 8.6 ms · 240 Hz 4.3 ms · 4K UHD: 60 Hz 16.7 ms
Inputs & control
HDMI inputs
2 × HDMI 2.0HDMI 2.0 · HDMI 2.0 (eARC)
Other video inputs
VGA—
Max input resolution
4K UHD4K UHD
Control ports
RS-232, 12 V triggerRS-232, 12 V trigger
PJLink
Class 1Class 1
Control-system drivers
—Crestron
Horizontal scan
15–135 kHz15–150 kHz
Vertical scan
24–120 Hz24–240 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
15 W15 W
Speakers
11
Layout
MonoMono
Audio outputs
3.5 mm3.5 mm, HDMI eARC
HDMI audio return
NoneDerivedeARCDerived
Physical & installation
Dimensions (W × D × H)
274 × 216 × 114 mm274 × 216 × 114 mm
Weight
3,000 g2,900 g
Colours
—Black
Orientations
360°Table, Ceiling, Rear, Portrait, 360°
Ingress protection
IP6XIP6X
Sealed optical engine
Yes—
Environment & power
Operating temperature
0–40°C0–40°C
Operating humidity
—10–85%RH
Altitude
3,048 m · high-altitude mode2,500 m · high-altitude mode
Power draw
Max 160 W · Normal 160 W · Eco 118 WMax 178 W · Normal 178 W · Eco 125 W
Standby
Up to 0.5 WUp to 0.5 W
Power supply
—External adapter
Mains input
100–240 V · 50/60 Hz100–240 V · 50/60 Hz
Fan noise
Normal 31 dB(A) · Eco 29 dB(A)Normal 35 dB(A) · Eco 28 dB(A)
Safety & support
Laser class
Class 1Class 1
Risk group
RG2RG2
Hazard distance
—1 m
Marks
FCCCE, FCC
Warranty
1 yr (light source 5 yr)5 yr or 12,000 h
User manual
https://region-resource.optoma.com/products/documents/RbyYDr34tZXZAsFhkYCToBBRADe0vG7e5ApSi0Xd.pdfhttps://region-resource.optoma.com/products/documents/CWqYJUpb2tPRrTwMj1QGYRcPXH2q7xeKXHsKXAZ4.pdf
In the box
In the box
Power cord, Remote, Remote batteries, Quick start guidePower cord, Power adapter, Remote, Remote batteries, Quick start guide, Warranty card
Remote
IRIR
Optoma GT2300HDR$1,099 · Amazon
Buy
Optoma GT3900UHD$1,499 · Amazon
Buy