Comparison between LG 34UC99 vs LG 38UC99

General Info
Model Number	LG 34UC99	LG 38UC99

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2016
Brand	LG	LG
Model Number	34UC99	38UC99
Alias	34UC99-W	38UC99-W
Display
Screen Size Class	34" (inches)	38" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	37.5 in 95.3 cm 952.5 mm 3.13 ft
Screen Width	31.49 in 80 cm 799.8 mm 2.62 ft	34.76 in 88.3 cm 882.816 mm 2.9 ft
Screen Height	13.18 in 33.5 cm 334.8 mm 1.1 ft	14.48 in 36.8 cm 367.84 mm 1.21 ft
Display Curvature	1900	2300
Display Manufacturer	LG Display	LG Display
Display Type	AH-IPS	AH-IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	21:9	24:10
Screen Resolution	3440 x 1440	3840 x 1600
Screen Pixel Pitch	0.233 mm	0.23 mm
Screen Pixel Density	109 ppi	110 ppi
Screen-to-Body Ratio	90.77 %	92.1 %
Backlight Source	W-LED	W-LED
sRGB	99 %	99 %
Adobe RGB 1998		70 %
NTSC 1953		72 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	5000000 : 1	5000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	10 ms	25 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	15 ms	10 ms
Display Maximum Response Time	25 ms	15 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	3.49 in 8.9 cm 88.7 mm 0.29 ft	3.6 in 9.2 cm 91.5 mm 0.3 ft
Case Weight	6.4 kg 14 lbs	7.7 kg 17 lbs
Case Width with Stand	32.19 in 81.8 cm 817.6 mm 2.68 ft	35.32 in 89.7 cm 897.2 mm 2.94 ft
Case Height with Stand	19.01 in 48.3 cm 482.8 mm 1.58 ft	18.35 in 46.6 cm 466.2 mm 1.53 ft
Case Depth with Stand	10.21 in 25.9 cm 259.4 mm 0.85 ft	9.07 in 23 cm 230.4 mm 0.76 ft
Case Weight with Stand	8.4 kg 18 lbs	9.3 kg 20 lbs
Case Color	White	White
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 1 x USB (Type-C) 2 x USB 3.0 (downstream)	1 x USB 3.0 (upstream) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 1 x USB (Type-C) 2 x USB 3.0 (downstream)
Audio
Audio Speakers	2 x 7W	2 x 10W
Features
Cool Features	Black Stabilizer Flicker-free technology Picture-by-Picture Quick Charge Picture-in-Picture HDCP (High-bandwidth Digital Content Protection) 6-Axis Control Screen Split 2.0 AMD FreeSync technology	Black Stabilizer Flicker-free technology Screen Split Dynamic Action Sync Picture-by-Picture HDCP (High-bandwidth Digital Content Protection) DDC/CI 6-Axis Control Picture-in-Picture AMD FreeSync technology Quick Charge
Extra Features	Anti-theft stand lock slot	Anti-theft stand lock slot
Ergonomics
Case Width	32.19 in 81.8 cm 817.6 mm 2.68 ft	35.32 in 89.7 cm 897.2 mm 2.94 ft
Case Height	14.2 in 36.1 cm 360.8 mm 1.18 ft	15.47 in 39.3 cm 393 mm 1.29 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	110 mm 11 cm 4.3307 in 0.3609 ft	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	15 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	55 Hz - 75 Hz	56 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 90 kHz	30 kHz - 101 kHz
Accessories
Extras	DisplayPort cable HDMI cable USB Type-C cable	DisplayPort cable Factory calibration report HDMI cable USB Type-C cable USB 3.0 cable
Certificates and Standards
Licenses	BSMI CCC CE cTick ENERGY STAR 6.0 ErP FCC Class B UL/cUL	BSMI CCC CE cTick ENERGY STAR 6.0 FCC Class B UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 85 %	5 % - 85 %

LG 34UC99

LG 38UC99