Head to head · 2 projectors

LK953ST vs TH685i

Verified specs side by side. The green tick marks the better value on each measurable row.

Comparing 2 projectors
LK953ST
LK953ST—Score pending
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View specs
TH685i
TH685i—Score pending
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View specs
The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

LK953ST
—
TH685i
—
Choose the LK953ST if
  • Brighter screen outdoors (5,000 vs 3,500 nits peak)
Full specs →
Choose the TH685i if
  • Lighter in the hand (2,800 vs 10,100 g)
Full specs →
At a glance

Key differences

Measured differences only. Ties and tiny gaps are left out.
Why pick theLK953ST1 win
+43%Brighter screen outdoors5,000 vs 3,500 nits peak
Check priceNo store price yet
Why pick theTH685i1 win
−7,300 gLighter in the hand2,800 vs 10,100 g
Check priceNo store price yet
Display5 differences
Brightness
5000 ANSI lumens
3500 ANSI lumens
Resolution
UHD 4K (3840x2160)
1080p (1920x1080)
Contrast ratio (typical)
3000000:1
10000:1
Projector brightness
5000 ANSI lumens
3500 ANSI lumens
Projector native resolution
UHD 4K (3840x2160)
1080p (1920x1080)
Screen size compatibility
762 - 7620 mm (30 - 300")
762 - 7620 mm (30 - 300")
Performance3 differences
Market Positioning
Short throw
Gaming
Noise level
40 dB
35 dB
Product type
Short throw projector
Standard throw projector
Camera3 differences
Supported Video Modes
480i · 480p · 576i
720p, 1080i, 1080p, 2160p
Vertical lens shift range
-60 - 60%
-5 - 5%
Zoom ratio
1.1:1
1.3:1
Battery & charging4 differences
Sleep power
2 W
0.5 W
Power consumption (economy mode)
390 W
206 W
Power consumption (max)
585 W
340 W
Power consumption (typical)
520 W
297 W
Design6 differences
Weight
10100 g
2800 g
Colors
Black
White
Depth
380 mm
225 mm
Height
159 mm
110 mm
Placement
Ceiling, Floor
Desktop
Width
490 mm
312 mm
Connectivity3 differences
Wi-Fi
No
No
HDMI ports quantity
4
2
Supported graphics resolutions
3840 x 2160
640 x 480 (VGA), 1920 x 1200 (WUXGA)
USB 2.0 ports quantity
1
1
VGA (D-Sub) ports quantity
1
2
General5 differences
Horizontal scan range
15 - 135 kHz
15 - 102 kHz
Lamps quantity
1 lamp(s)
1 lamp(s)
Noise level (economic mode)
38 dB
29 dB
RMS rated power
10 W
5 W
Throw ratio
0.81 - 0.88
1.13 - 1.46
Vertical scan range
24 - 120 Hz
23 - 120 Hz
Where to buy

Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

Community

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