0 Compare Dell P3421W vs Samsung C34J791 - DisplayDB

Premium subscription

Limited offer: $9.99 FREE

Subscription benefits:

  • Receive exclusive deals
  • Receive promo codes for monitors and TVs
  • Be the first to read our premium content

As Amazon associates we earn from qualifying purchases.

Comparison between Dell P3421W vs Samsung C34J791

General Info
Model Number Dell P3421W Samsung C34J791
Price
Type Monitor Monitor
Year 2020 2018
Brand Dell Samsung
Model Number P3421W C34J791
Alias LC34J791WTEXXS
Display
Screen Size Class 34" (inches) 34" (inches)
Diagonal Size 34.14 in
86.7 cm
867.2 mm
2.85 ft
34 in
86.4 cm
863.6 mm
2.83 ft
Screen Width 31.49 in
80 cm
799.8 mm
2.62 ft
31.49 in
80 cm
799.8 mm
2.62 ft
Screen Height 13.18 in
33.5 cm
334.8 mm
1.1 ft
13.18 in
33.5 cm
334.8 mm
1.1 ft
Display Curvature 3800 1500
Display Manufacturer LG Display Samsung
Display Type IPS SVA
Display Bit Depth 10 bits 8 bits
Frame Rate Control No
Max Number of Colors 1073741824 16777216
Bits 30 24
Screen Aspect Ratio 21:9 21:9
Screen Resolution 3440 x 1440 3440 x 1440
Screen Pixel Pitch 0.233 mm 0.233 mm
Screen Pixel Density 109 ppi 109 ppi
Screen-to-Body Ratio 91.27 %
Backlight Source W-LED Edge LED
sRGB 99 % 125 %
Adobe RGB 1998 92 %
Screen Brightness 300 cd/m² 300 cd/m²
Static Screen Contrast 1000 : 1 3000 : 1
Dynamic Screen Contrast 100000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 6 ms
Display Minimum Response Time 5 ms 4 ms
Display Average Response Time 8 ms 14 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte (2H)
3D No No
Size, weight, color
Case Depth 6.57 in
16.7 cm
167 mm
0.55 ft
Case Weight 6.7 kg
15 lbs
6.3 kg
14 lbs
Case Width with Stand 32.11 in
81.6 cm
815.7 mm
2.68 ft
31.84 in
80.9 cm
808.7 mm
2.65 ft
Case Height with Stand 15.4 in
39.1 cm
391.1 mm
1.28 ft
20.31 in
51.6 cm
516 mm
1.69 ft
Case Depth with Stand 9.35 in
23.7 cm
237.4 mm
0.78 ft
12.18 in
30.9 cm
309.4 mm
1.02 ft
Case Weight with Stand 7.7 kg
17 lbs
Case Color Black and Silver White, Silver
Hardware
Built-in Camera No No
Connectivity 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)
1 x DisplayPort 1.2
2 x Thunderbolt 3.0
1 x 3.5 mm Audio Out
2 x USB 2.0 (downstream)
1 x HDMI 1.4
Audio
Audio Speakers 2 x 5W 2 x 7W
Features
Cool Features KVM Switch
Low Blue Light
Picture-in-Picture
Picture-by-Picture
ComfortView
Flicker-free technology
Eye Saver Mode
Flicker-free technology
Picture-by-Picture
Picture-in-Picture
HDCP (High-bandwidth Digital Content Protection)
AMD FreeSync technology
Eco Saving Plus
Extra Features Security lock slot Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 32.11 in
81.6 cm
815.7 mm
2.68 ft
31.84 in
80.9 cm
808.7 mm
2.65 ft
Case Height 14.28 in
36.3 cm
362.8 mm
1.19 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 150 mm
15 cm
5.9055 in
0.4921 ft
100 mm
10 cm
3.937 in
0.3281 ft
Landscape or Portrait Pivot Support Yes No
Left Pivot 4 °
Right Pivot 4 °
Left or Right Swivel Support Yes No
Left Swivel 30 °
Right Swivel 30 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 2 °
Backward Tilt 21 ° 34 °
Frequency and Interpolation
Vertical Digital Frequency 60 Hz 48 Hz - 100 Hz
Horizontal Digital Frequency 30 kHz - 152 kHz
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
ENERGY STAR
FCC Class B
ISO9241-307
TÜV/Ergonomics
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
10 °C - 40 °C
50 °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 % - 95 %
Max Operating Altitude 5000
Max Storage Altitude 12192
Dell P3421W Samsung C34J791