Comparison between LG 31MU97 vs LG 27UN880

General Info
Model Number	LG 31MU97	LG 27UN880

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2020
Brand	LG	LG
Model Series		UltraFine
Model Number	31MU97	27UN880
Alias	31MU97-B	27UN880-B 27UN88A 27UN880-W 27BN88U
Display
Screen Size Class	31" (inches)	27" (inches)
Diagonal Size	31 in 78.7 cm 787.4 mm 2.58 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	27.62 in 70.2 cm 701.6 mm 2.3 ft	23.53 in 59.8 cm 597.73 mm 1.96 ft
Screen Height	14.47 in 36.7 cm 367.42 mm 1.21 ft	13.24 in 33.6 cm 336.22 mm 1.1 ft
Display Manufacturer	LG Display
Display Type	AH-IPS	IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	19:10	16:9
Screen Resolution	4096 x 2160	3840 x 2160
Screen Pixel Pitch	0.17 mm	0.155 mm
Screen Pixel Density	148 ppi	163 ppi
Screen-to-Body Ratio	85.87 %	89.76 %
Backlight Source	W-LED	W-LED
DCI P3	97%
sRGB	100 %	99 %
Adobe RGB 1998	99.5 %
Screen Brightness	450 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	1000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	30 ms
Display Minimum Response Time		5 ms
Display Average Response Time	14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	2.06 in 5.2 cm 52.4 mm 0.17 ft	1.8 in 4.6 cm 45.72 mm 0.15 ft
Case Weight	7.7 kg 17 lbs	5 kg 11 lbs
Case Width with Stand	29 in 73.7 cm 736.7 mm 2.42 ft	24.1 in 61.2 cm 612.14 mm 2.01 ft
Case Height with Stand	19.04 in 48.4 cm 483.5 mm 1.59 ft	23.5 in 59.7 cm 596.9 mm 1.96 ft
Case Depth with Stand	9.5 in 24.1 cm 241.4 mm 0.79 ft	15.8 in 40.1 cm 401.32 mm 1.32 ft
Case Weight with Stand	9.6 kg 21 lbs	7.8 kg 17 lbs
Case Color	Silver	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 1.4 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x DisplayPort 1.2 (mini) 3 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x USB (Type-C; 60W) 2 x USB 3.0 (Type-A; downstream)
Audio
Audio Speakers	2 x 5W	2 x 5W
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Picture-by-Picture True Color Pro Screen Split (S/W) DDC/CI Flicker-free technology	Black Stabilizer Color Calibrated Low Blue Light Dual Controller Flicker-free technology Super Resolution+ Reader Mode Dynamic Action Sync Color Weakness Mode Adaptive-Sync technology Smart Energy Saving HDR Effect AMD FreeSync technology H/W Calibration
Extra Features	Anti-theft stand lock slot
Ergonomics
Case Width	29 in 73.7 cm 736.7 mm 2.42 ft	24.1 in 61.2 cm 612.14 mm 2.01 ft
Case Height	16.04 in 40.8 cm 407.5 mm 1.34 ft	14.4 in 36.6 cm 365.76 mm 1.2 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	140 mm 14 cm 5.5118 in 0.4593 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	No	Yes
Left Swivel		280 °
Right Swivel		280 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	25 °
Backward Tilt	15 °	25 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 61 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 135 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable - mini-DP to DP HDMI cable USB 3.0 upstream cable	DC Extension cable HDMI cable USB Type-C cable
Certificates and Standards
Licenses	CE cTick ENERGY STAR 6.0 Epeat Gold FCC Class B UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level	10 °C - 35 °C 50 °F - 95 °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 % - 90 %	5 % - 85 %

LG 31MU97

LG 27UN880