Comparison between LG 27BL55U vs LG 27UD58

General Info
Model Number	LG 27BL55U	LG 27UD58

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2016
Brand	LG	LG
Model Number	27BL55U	27UD58
Alias	27BL55U-B	27UD58-B
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer		LG Display
Display Type	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	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.155 mm	0.155 mm
Screen Pixel Density	163 ppi	163 ppi
Screen-to-Body Ratio	86.72 %	84.16 %
Backlight Source	W-LED	W-LED
sRGB	98 %	99 %
Screen Brightness	300 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		5000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		9 ms
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time		15 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	1.8 in 4.6 cm 45.8 mm 0.15 ft	2.4 in 6.1 cm 61 mm 0.2 ft
Case Weight	4.4 kg 10 lbs	5 kg 11 lbs
Case Width with Stand	24.51 in 62.3 cm 622.6 mm 2.04 ft	24.92 in 63.3 cm 633 mm 2.08 ft
Case Height with Stand	22.53 in 57.2 cm 572.2 mm 1.88 ft	18.27 in 46.4 cm 464 mm 1.52 ft
Case Depth with Stand	9.06 in 23 cm 230 mm 0.75 ft	7.95 in 20.2 cm 202 mm 0.66 ft
Case Weight with Stand	6 kg 13 lbs	5.6 kg 12 lbs
Case Color	Black	Black, White
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Features
Cool Features	Dual Controller Dynamic Action Sync HDCP (High-bandwidth Digital Content Protection) 2.2 On-Screen Control 2.2 Game Mode Flicker-free technology AMD FreeSync technology Reader Mode Black Stabilizer Screen Split	DDC/CI Dynamic Action Sync HDCP (High-bandwidth Digital Content Protection) Screen Split Picture-by-Picture Flicker-free technology AMD FreeSync technology Black Stabilizer
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.51 in 62.3 cm 622.6 mm 2.04 ft	24.92 in 63.3 cm 633 mm 2.08 ft
Case Height	14.61 in 37.1 cm 371 mm 1.22 ft	14.8 in 37.6 cm 376 mm 1.23 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
Height Adjustment Range	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	2 °
Backward Tilt	15 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	30 Hz - 60 Hz	56 Hz - 61 Hz
Horizontal Digital Frequency	31.46 kHz - 135 kHz	30 kHz - 135 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras		HDMI cable
Certificates and Standards
Licenses		BSMI CCC CE ENERGY STAR EPEAT Gold 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	5 % - 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 27BL55U

LG 27UD58