0 Compare HP ZR2740w 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 HP ZR2740w vs Samsung C34J791

General Info
Model Number HP ZR2740w Samsung C34J791
Price
Type Monitor Monitor
Year 2011 2018
Brand HP Samsung
Model Number ZR2740w C34J791
Alias XW476A4
XW476A8
LC34J791WTEXXS
Display
Screen Size Class 27" (inches) 34" (inches)
Diagonal Size 27 in
68.6 cm
685.8 mm
2.25 ft
34 in
86.4 cm
863.6 mm
2.83 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 1500
Display Manufacturer LG Display Samsung
Display Type H-IPS SVA
Display Bit Depth 10 bits 8 bits
Frame Rate Control No No
Max Number of Colors 1073741824 16777216
Bits 30 24
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
Screen-to-Body Ratio 79.1 % 91.27 %
Backlight Source W-LED Edge LED
sRGB 100 % 125 %
Adobe RGB 1998 75 % 92 %
NTSC 1953 72 %
Screen Brightness 380 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 10 ms 6 ms
Display Minimum Response Time 7 ms 4 ms
Display Average Response Time 12 ms 14 ms
Display Coating Anti-glare/Matte Anti-glare/Matte (2H)
3D No No
Size, weight, color
Case Depth 2.68 in
6.8 cm
68 mm
0.22 ft
6.57 in
16.7 cm
167 mm
0.55 ft
Case Weight 8 kg
18 lbs
6.3 kg
14 lbs
Case Width with Stand 25.43 in
64.6 cm
646 mm
2.12 ft
31.84 in
80.9 cm
808.7 mm
2.65 ft
Case Height with Stand 17.32 in
44 cm
440 mm
1.44 ft
20.31 in
51.6 cm
516 mm
1.69 ft
Case Depth with Stand 9.25 in
23.5 cm
235 mm
0.77 ft
12.18 in
30.9 cm
309.4 mm
1.02 ft
Case Weight with Stand 10.5 kg
23 lbs
7.7 kg
17 lbs
Case Color Black White, Silver
Hardware
Built-in Camera No No
Connectivity 1 x DisplayPort 1.2
4 x USB 2.0 (downstream)
1 x USB 2.0 (upstream)
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 7W
Features
Cool Features DDC/CI
HDCP (High-bandwidth Digital Content Protection)
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 25.43 in
64.6 cm
646 mm
2.12 ft
31.84 in
80.9 cm
808.7 mm
2.65 ft
Case Height 15.43 in
39.2 cm
392 mm
1.29 ft
14.28 in
36.3 cm
362.8 mm
1.19 ft
Vesa Mount Support No Yes
VESA Interface Standard Size 100 x 100 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment Yes Yes
Height Adjustment Range 105 mm
10.5 cm
4.1339 in
0.3445 ft
100 mm
10 cm
3.937 in
0.3281 ft
Landscape or Portrait Pivot Support Yes No
Left Pivot 0 °
Right Pivot 90 °
Left or Right Swivel Support Yes No
Left Swivel 45 °
Right Swivel 45 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 2 °
Backward Tilt 35 ° 34 °
Frequency and Interpolation
Vertical Digital Frequency 50 Hz - 60 Hz 48 Hz - 100 Hz
Horizontal Digital Frequency 24 kHz - 94 kHz 30 kHz - 152 kHz
Accessories
Extras D-sub cable
DisplayPort cable
Certificates and Standards
Licenses BSMI
C-Tick
CB
CCC
CE
CECP
CEL Grade 1
EAC
ENERGY STAR
EPA
Epeat Gold/Silver (market dependent)
FCC Class B
ICE
ISC
KC
KCC
NOM
PSB
SEPA
TCO EDGE
TÜV/S
VCCI-B
WHQL (Windows 8; Windows 7)
ENERGY STAR
FCC Class B
ISO9241-307
TÜV/Ergonomics
Usage and Storage Requirements
Safe Operating Temperature Level 5 °C - 35 °C
41 °F - 95 °F
10 °C - 40 °C
50 °F - 104 °F
Safe Operating Humidity Level 20 % - 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 % - 95 %
Max Operating Altitude 5000
Max Storage Altitude 12192
HP ZR2740w Samsung C34J791