Comparison between Apple Thunderbolt Display vs Dell P3421W

General Info
Model Number	Apple Thunderbolt Display	Dell P3421W

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2011	2020
Brand	Apple	Dell
Model Number	Thunderbolt Display	P3421W
Display
Screen Size Class	27" (inches)	34" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	34.14 in 86.7 cm 867.2 mm 2.85 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	31.49 in 80 cm 799.8 mm 2.62 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.18 in 33.5 cm 334.8 mm 1.1 ft
Display Curvature		3800
Display Manufacturer	LG Display	LG Display
Display Type	H-IPS	IPS
Display Bit Depth	8 bits	10 bits
Frame Rate Control	No
Max Number of Colors	16777216	1073741824
Bits	24	30
Screen Aspect Ratio	16:9	21:9
Screen Resolution	2560 x 1440	3440 x 1440
Screen Pixel Pitch	0.233 mm	0.233 mm
Screen Pixel Density	109 ppi	109 ppi
Backlight Source	W-LED	W-LED
sRGB		99 %
Adobe RGB 1998	75 %
Screen Brightness	375 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	2000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	6.5 ms	5 ms
Display Average Response Time	8 ms	8 ms
Display Maximum Response Time	12 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Weight		6.7 kg 15 lbs
Case Width with Stand	25.59 in 65 cm 650 mm 2.13 ft	32.11 in 81.6 cm 815.7 mm 2.68 ft
Case Height with Stand	19.33 in 49.1 cm 491 mm 1.61 ft	15.4 in 39.1 cm 391.1 mm 1.28 ft
Case Depth with Stand	8.15 in 20.7 cm 207 mm 0.68 ft	9.35 in 23.7 cm 237.4 mm 0.78 ft
Case Weight with Stand	10.8 kg 24 lbs
Case Color	Silver	Black and Silver
Hardware
Built-in Camera	Yes	No
Network	LAN
Connectivity	1 x Thunderbolt 3 x USB 2.0 (downstream) 1 x Ethernet RJ45	2 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps) 1 x USB 3.2 (Type-B; Gen 1; upstream) 1 x DisplayPort 1.2 1 x HDMI 2.0 2 x USB 2.0 (Type-A; downstream) 1 x USB 3.1 (Type-C; upstream; 65W; DP Alt Mode)
Audio
Audio Speakers		2 x 5W
Features
Cool Features		KVM Switch Low Blue Light Picture-in-Picture Picture-by-Picture ComfortView Flicker-free technology
Extra Features		Security lock slot
Ergonomics
Case Width		32.11 in 81.6 cm 815.7 mm 2.68 ft
Vesa Mount Support	No	Yes
VESA Interface Standard Size	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		4 °
Right Pivot		4 °
Left or Right Swivel Support	No	Yes
Left Swivel		30 °
Right Swivel		30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	25 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras		DisplayPort cable HDMI cable USB Type-A to Type-B cable USB Type-C to Type-C cable
Certificates and Standards
Licenses		Energy Star EPEAT RoHS TCO Certified Displays TUV Rheinland Flicker Free Certified TUV Rheinland Low Blue Light Certified
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	20 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 47 °C -4 °F - 116.6 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude	3048	5000
Max Storage Altitude		12192

Apple Thunderbolt Display

Dell P3421W