Comparison between Samsung S27E391H vs Dell S2421HS

General Info
Model Number	Samsung S27E391H	Dell S2421HS

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2020
Brand	Samsung	Dell
Model Number	S27E391H	S2421HS
Alias	LS27E391HS/EN LS27E391HSX/CI	S2421HSX
Display
Screen Size Class	27" (inches)	24" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	23.8 in 60.4 cm 604.478 mm 1.98 ft
Screen Width	23.54 in 59.8 cm 597.88 mm 1.96 ft	20.75 in 52.7 cm 527.04 mm 1.73 ft
Screen Height	13.24 in 33.6 cm 336.312 mm 1.1 ft	11.67 in 29.6 cm 296.46 mm 0.97 ft
Display Manufacturer	Samsung
Display Type	PLS	IPS
Display Bit Depth	8 bits	8 bits
Frame Rate Control	No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	1920 x 1080
Screen Pixel Pitch	0.311 mm	0.275 mm
Screen Pixel Density	81 ppi	92 ppi
Screen-to-Body Ratio	85.16 %	90.06 %
Backlight Source	W-LED	W-LED
DCI P3	78%
Rec.2020	70
NTSC 1953		72 %
Screen Brightness	300 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	16 ms
Display Minimum Response Time	4 ms	4 ms
Display Average Response Time		8 ms
Display Coating		Anti-glare/Matte (3H)
HDR	HDR10 HLG (Hybrid Log Gamma) HDR10+ Quantum HDR 1000
3D	No	No
Size, weight, color
Case Depth	2.79 in 7.1 cm 70.8 mm 0.23 ft	2.12 in 5.4 cm 53.8 mm 0.18 ft
Case Weight	4.58 kg 10 lbs	3.2 kg 7 lbs
Case Width with Stand	24.65 in 62.6 cm 626 mm 2.05 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	17.83 in 45.3 cm 452.9 mm 1.49 ft	13.65 in 34.7 cm 346.8 mm 1.14 ft
Case Depth with Stand	7.16 in 18.2 cm 181.9 mm 0.6 ft	6.29 in 16 cm 159.7 mm 0.52 ft
Case Weight with Stand	5.14 kg 11 lbs	4.8 kg 11 lbs
Case Color	White	Black, Silver
Hardware
CPU Cores	4
TV Tuner	Analog (NTSC/PAL/SECAM) Clear QAM ATSC
Built-in Camera	No	No
Network	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Bluetooth Wi-Fi Direct DLNA
Connectivity	1 x HDMI 1.4 1 x D-sub	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x DisplayPort 1.2
Audio
Built-in Subwoofer	1 x 20
Features
OS	Tizen 5.0
Cool Features	Flicker-free technology Samsung MagicBright Samsung MagicUpscale Eco Saving Plus Eye Saver Mode	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features		Anti-theft stand lock slot - Kensington S2421HS - silver S2421HSX - black
Ergonomics
Case Width	24.65 in 62.6 cm 626 mm 2.05 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	14.85 in 37.7 cm 377.2 mm 1.24 ft	12.7 in 32.3 cm 322.6 mm 1.06 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	400 x 300	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		100 mm 10 cm 3.937 in 0.3281 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	2 °	5 °
Backward Tilt	15 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 75 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 81 kHz	30 kHz - 83 kHz
Screen Interpolation Technology	Motion Rate
Screen Interpolation Value	240
Screen Interpolation Measurement Unit	MR	NULL
Accessories
Extras	D-sub cable	HDMI cable
Certificates and Standards
Licenses	CCC ENERGY STAR 6.0 FCC class B	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light
Usage and Storage Requirements
Safe Operating Temperature Level	10 °C - 40 °C 50 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 45 °C -4 °F - 113 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

Samsung S27E391H

Dell S2421HS