Comparison between:
- 27" Iiyama ProLite XB2779QQS-S1
- 34" Samsung C34J791
- 49" Samsung C49J890
- 34" LG 34UC99

Brand, series, model

Information about the brand, series, model and model aliases.

Iiyama ProLite XB2779QQS-S1Samsung C34J791Samsung C49J890LG 34UC99
Iiyama ProLite XB2779QQS-S1Samsung C34J791Samsung C49J890LG 34UC99
Model aliasXB2779QQS-S1LC34J791WTEXXSLC49J890DKUXEN34UC99-W

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class27 in34 in49 in34 in
Diagonal685.8 mm
68.58 cm
27 in
2.25 ft
863.6 mm
86.36 cm
34 in
2.8333 ft
1244.6 mm
124.46 cm
49 in
4.0833 ft
863.6 mm
86.36 cm
34 in
2.8333 ft
Width595.2 mm
59.52 cm
23.4331 in
1.9528 ft
799.8 mm
79.98 cm
31.4882 in
2.624 ft
1195.78 mm
119.578 cm
47.078 in
3.9232 ft
799.8 mm
79.98 cm
31.4882 in
2.624 ft
Height334.8 mm
33.48 cm
13.1811 in
1.0984 ft
334.8 mm
33.48 cm
13.1811 in
1.0984 ft
336.31 mm
33.631 cm
13.2406 in
1.1034 ft
334.8 mm
33.48 cm
13.1811 in
1.0984 ft
Radius of curvature-1500 mm
150 cm
59.0551 in
4.9213 ft
1800 mm
180 cm
70.8661 in
5.9055 ft
1900 mm
190 cm
74.8031 in
6.2336 ft
Panel manufacturer-SamsungSamsungLG Display
Panel model---LM340UW3-SSA1
Panel typeIPSSVASVAAH-IPS
Panel bit depth8 bits8 bits8 bits10 bits (8 bits + FRC)
FRCNoNoNoYes
Colors16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
1073741824 colors
30 bits
Aspect ratio1.778:1
16:9
2.389:13.556:12.389:1
Resolution5120 x 2880 pixels3440 x 1440 pixels3840 x 1080 pixels3440 x 1440 pixels
Pixel pitch0.116 mm
0.0116 cm
0.0046 in
0.0004 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.311 mm
0.0311 cm
0.0123 in
0.001 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
Pixel density218 ppi
86 ppcm
109 ppi
43 ppcm
81 ppi
32 ppcm
109 ppi
43 ppcm
Display area74.23 %91.27 %90.5 %90.77 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB-125 %95 %99 %
Adobe RGB (1998)-92 %65 %-
NTSC (1953)78 %---
DCI P3--70 %-
Brightness440 cd/m²300 cd/m²300 cd/m²300 cd/m²
Static contrast1200 : 13000 : 13000 : 11000 : 1
Dynamic contrast80000000 : 1100000000 : 1-5000000 : 1
HDR--HDR-
Horizontal viewing angle178 °178 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
Minimum response time4 ms
0.0040 s
4 ms
0.0040 s
5 ms
0.0050 s
5 ms
0.0050 s
Average response time12 ms
0.0120 s
--15 ms
0.0150 s
Maximum response time---25 ms
0.0250 s
Input lag27 ms
0.0270 s
--10 ms
0.0100 s
Coating-Anti-glare/Matte (2H)Anti-glare/Matte (3H)Anti-glare/Matte (3H)

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)30 kHz - 180 kHz30 kHz - 152 kHz30 kHz - 170 kHz30 kHz - 90 kHz
Vertical frequency (digital)55 Hz - 75 Hz48 Hz - 100 Hz50 Hz - 144 Hz55 Hz - 75 Hz
DisplayPort - 5120 x 2880 @ 60 Hz
HDMI - 3840 x 2160 @ 60 Hz
---

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V100 V - 120 V100 V - 120 V100 V - 120 V100 V - 120 V
220V220 V - 240 V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Amperage1.3 A---
Power consumption (off)-0.3 W0.3 W0.3 W
Power consumption (sleep)0.5 W0.5 W0.5 W1.2 W
Power consumption (eco)-65 W-48 W
Power consumption (average)60 W180 W62 W60 W
Power consumption (maximum)--220 W70 W
Energy efficiency classD-B-

Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Width650 mm
65 cm
25.5906 in
2.1325 ft
808.7 mm
80.87 cm
31.8386 in
2.6532 ft
1203 mm
120.3 cm
47.3622 in
3.9469 ft
817.6 mm
81.76 cm
32.189 in
2.6824 ft
Height413 mm
41.3 cm
16.2598 in
1.355 ft
362.8 mm
36.28 cm
14.2835 in
1.1903 ft
369.4 mm
36.94 cm
14.5433 in
1.2119 ft
360.8 mm
36.08 cm
14.2047 in
1.1837 ft
Depth43.5 mm
4.35 cm
1.7126 in
0.1427 ft
167 mm
16.7 cm
6.5748 in
0.5479 ft
194.4 mm
19.44 cm
7.6535 in
0.6378 ft
88.7 mm
8.87 cm
3.4921 in
0.291 ft
Weight-6.3 kg
13.89 lbs
-6.4 kg
14.11 lbs
Width with stand650 mm
65 cm
25.5906 in
2.1325 ft
808.7 mm
80.87 cm
31.8386 in
2.6532 ft
1203 mm
120.3 cm
47.3622 in
3.9469 ft
817.6 mm
81.76 cm
32.189 in
2.6824 ft
Height with stand434.5 mm
43.45 cm
17.1063 in
1.4255 ft
516 mm
51.6 cm
20.315 in
1.6929 ft
525.5 mm
52.55 cm
20.689 in
1.7241 ft
482.8 mm
48.28 cm
19.0079 in
1.584 ft
Depth with stand230 mm
23 cm
9.0551 in
0.7546 ft
309.4 mm
30.94 cm
12.1811 in
1.0151 ft
381.6 mm
38.16 cm
15.0236 in
1.252 ft
259.4 mm
25.94 cm
10.2126 in
0.851 ft
Weight with stand8.2 kg
18.08 lbs
7.7 kg
16.98 lbs
15.1 kg
33.29 lbs
8.4 kg
18.52 lbs
ColorsSilverWhite
Silver
BlackWhite

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mountYesYesYesYes
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm100 x 100 mm
Removable standYesYesYesYes
Height adjustmentYesYesYesYes
Height adjustment range130 mm
13 cm
5.1181 in
0.4265 ft
100 mm
10 cm
3.937 in
0.3281 ft
120 mm
12 cm
4.7244 in
0.3937 ft
110 mm
11 cm
4.3307 in
0.3609 ft
Landscape/portrait pivotNoNoNoNo
Left/right swivelYesNoYesNo
Left swivel45 °-15 °-
Right swivel45 °-15 °-
Forward/backward tiltYesYesYesYes
Forward tilt2 °2 °2 °5 °
Backward tilt17 °34 °15 °15 °

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers2 x 2 W2 x 7 W-2 x 7 W
---Maxx Audio

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

CameraNoNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity3 x HDMI 2.0
2 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x USB 3.0 (downstream)
1 x HDMI 1.4
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 USB 3.0 (downstream)
2 x USB 3.0 (Type-C)
1 x USB 3.0 (Type-C upstream)
1 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
1 x USB (Type-C)
2 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out

Features

Some additional functional features of the model.

FeaturesEcoModes
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Low Blue Light
Picture-by-Picture
Picture-in-Picture
AMD FreeSync technology
Eco Saving Plus
Eye Saver Mode
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
Eco Saving Plus
Eye Saver Mode
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
Samsung MagicBright
Samsung MagicUpscale
6-Axis Control
AMD FreeSync technology
Black Stabilizer
Flicker-free technology
HDCP (High-bandwidth Digital Content Protection)
Picture-by-Picture
Picture-in-Picture
Quick Charge
Screen Split 2.0

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesCE
ENERGY STAR
PSE
TÜV/GS
VCCI-B
ENERGY STAR
FCC Class B
ISO9241-307
TÜV/Ergonomics
CE
FCC class B
ISO9241-307
TÜV/GS
TÜV/Ergonomics
BSMI
CCC
CE
cTick
ENERGY STAR 6.0
ErP
FCC Class B
UL/cUL

Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature5 °C - 35 °C
41 °F - 95 °F
10 °C - 40 °C
50 °F - 104 °F
10 °C - 40 °C
50 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity10 % - 80 %10 % - 80 %10 % - 80 %10 % - 80 %
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 45 °C
-4 °F - 113 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity5 % - 85 %5 % - 95 %5 % - 95 %5 % - 85 %

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

AccessoriesDisplayPort cable
HDMI cable
-DisplayPort cable
USB Type-C cable
DisplayPort cable
HDMI cable
USB Type-C cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonAnti-theft stand lock slot - Kensington-Anti-theft stand lock slot
 Iiyama ProLite XB2779QQS-S1Samsung C34J791Samsung C49J890LG 34UC99