Comparison between Philips 278E1A vs Philips 279C9

General Info
Model Number	Philips 278E1A	Philips 279C9

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2020
Brand	Philips	Philips
Model Series	E-Line	C-Line
Model Number	278E1A	279C9
Alias	278E1A/00 278E1A/01	279C9/00 279C9/01
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.9 mm 2.25 ft	27 in 68.6 cm 685.8 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 Curvature	1800
Display Type	IPS	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	88.79 %	92.72 %
Backlight Source	W-LED	W-LED
sRGB	109 %	109 %
NTSC 1953	91 %	90.7 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast	1000 : 1	1300 : 1
Dynamic Screen Contrast		50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	5 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	1.77 in 4.5 cm 45 mm 0.15 ft	1.54 in 3.9 cm 39 mm 0.13 ft
Case Weight	4.18 kg 9 lbs	4.25 kg 9 lbs
Case Width with Stand	24.13 in 61.3 cm 613 mm 2.01 ft	24.09 in 61.2 cm 612 mm 2.01 ft
Case Height with Stand	18.15 in 46.1 cm 461 mm 1.51 ft	15.63 in 39.7 cm 397 mm 1.3 ft
Case Depth with Stand	7.56 in 19.2 cm 192 mm 0.63 ft	8.58 in 21.8 cm 218 mm 0.72 ft
Case Weight with Stand	4.78 kg 11 lbs	5.85 kg 13 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 2.0 2 x DisplayPort 1.2	2 x USB 3.2 (Type-A; downstream; BC 1.2) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 1 x USB 3.0 (Type-C; upstream; 65W; DP Alt Mode) 2 x USB 3.2 (Type-A; downstream)
Audio
Audio Speakers	2 x 3W	2 x 2W
Features
Cool Features	SmartContrast SmartImage SmartUniformity SmartImage Game Flicker-free technology Low Blue Light	EasyRead Flicker-free technology Mega Infinity DCR SmartControl Separate Sync Low Blue Light Adaptive-Sync technology SmartImage DDC/CI Zero Bezel Design
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	24.13 in 61.3 cm 613 mm 2.01 ft	24.09 in 61.2 cm 612 mm 2.01 ft
Case Height	14.49 in 36.8 cm 368 mm 1.21 ft	13.9 in 35.3 cm 353 mm 1.16 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		175 °
Right Swivel		175 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	25 °
Frequency and Interpolation
Vertical Digital Frequency	59 Hz - 61 Hz	23 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 140 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	DisplayPort cable HDMI cable USB Type-C to Type-C/A cable
Certificates and Standards
Licenses	cETLus EAC / CU TÜV/ISO9241-307 ENERGY STAR 8.0 FCC Class B ISO9241-307 CCC CECP RoHS	CB CCC CECP CEL CE Mark EAEU RoHS ENERGY STAR 8.0 EPA EPEAT FCC Class B ICES-003 SEMKO TCO Certified TÜV/Ergo TÜV Eye Comfort TÜV/GS UKRAINIAN
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	20 % - 80 %	20 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Max Operating Altitude	3658	3658
Max Storage Altitude	12192	12192

Philips 278E1A

Philips 279C9