0 Compare Samsung C34J791 vs Dell U3423WE - 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 Samsung C34J791 vs Dell U3423WE

General Info
Model Number Samsung C34J791 Dell U3423WE
Price
Type Monitor Monitor
Year 2018 2022
Brand Samsung Dell
Model Series UltraSharp
Model Number C34J791 U3423WE
Alias LC34J791WTEXXS UltraSharp U3423WE
Display
Screen Size Class 34" (inches) 34" (inches)
Diagonal Size 34 in
86.4 cm
863.6 mm
2.83 ft
34.14 in
86.7 cm
867.16 mm
2.85 ft
Screen Width 31.49 in
80 cm
799.8 mm
2.62 ft
31.5 in
80 cm
800.05 mm
2.62 ft
Screen Height 13.18 in
33.5 cm
334.8 mm
1.1 ft
13.19 in
33.5 cm
335.05 mm
1.1 ft
Display Curvature 1500 1900
Display Manufacturer Samsung
Display Type SVA AH-IPS
Display Bit Depth 8 bits 10 bits
Frame Rate Control No
Max Number of Colors 16777216 1073741824
Bits 24 30
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 % 91.8 %
Backlight Source Edge LED W-LED
DCI P3 98%
sRGB 125 % 100 %
Adobe RGB 1998 92 %
Screen Brightness 300 cd/m² 350 cd/m²
Static Screen Contrast 3000 : 1 2000 : 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 4 ms 5 ms
Display Average Response Time 14 ms 8 ms
Display Coating Anti-glare/Matte (2H) Anti-glare/Matte (3H)
3D No No
Size, weight, color
Case Depth 6.57 in
16.7 cm
167 mm
0.55 ft
2.26 in
5.8 cm
57.5 mm
0.19 ft
Case Weight 6.3 kg
14 lbs
7.72 kg
17 lbs
Case Width with Stand 31.84 in
80.9 cm
808.7 mm
2.65 ft
32.02 in
81.3 cm
813.26 mm
2.67 ft
Case Height with Stand 20.31 in
51.6 cm
516 mm
1.69 ft
15.46 in
39.3 cm
392.77 mm
1.29 ft
Case Depth with Stand 12.18 in
30.9 cm
309.4 mm
1.02 ft
9.35 in
23.7 cm
237.44 mm
0.78 ft
Case Weight with Stand 7.7 kg
17 lbs
11.44 kg
25 lbs
Case Color White, Silver Platinum Silver
Hardware
Built-in Camera No No
Connectivity 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
1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; data only)
4 x USB 3.2 (Type-A; Gen 1; downstream; 5 Gbps)
2 x HDMI 2.1
1 x 3.5 mm Audio Out
1 x DisplayPort 1.4 (HBR3)
1 x Ethernet RJ45
1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; downstream; 15W)
1 x USB 3.2 (Type-C; Gen 2; 10 Gbps; upstream; 90W; DP Alt Mode)
Audio
Audio Speakers 2 x 7W 2 x 5W
Features
Cool Features Eye Saver Mode
Flicker-free technology
Picture-by-Picture
Picture-in-Picture
HDCP (High-bandwidth Digital Content Protection)
AMD FreeSync technology
Eco Saving Plus
Flicker-free technology
KVM Switch
Picture-by-Picture
Picture-in-Picture
Low Blue Light
ComfortView
Dell Display Manager
Extra Features Anti-theft stand lock slot - Kensington Security lock slot
Ergonomics
Case Width 31.84 in
80.9 cm
808.7 mm
2.65 ft
32.02 in
81.3 cm
813.26 mm
2.67 ft
Case Height 14.28 in
36.3 cm
362.8 mm
1.19 ft
14.14 in
35.9 cm
359.05 mm
1.18 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 100 mm
10 cm
3.937 in
0.3281 ft
150 mm
15 cm
5.9055 in
0.4921 ft
Landscape or Portrait Pivot Support No No
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 34 ° 21 °
Frequency and Interpolation
Vertical Digital Frequency 48 Hz - 100 Hz 56 Hz - 76 Hz
Horizontal Digital Frequency 30 kHz - 152 kHz 30 kHz - 90 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
FCC Class B
ISO9241-307
TÜV/Ergonomics
Energy Star
EPEAT Gold
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 - 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 - 60 °C
-4 °F - 140 °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 C34J791 Dell U3423WE