Comparison between:
- 27" Dell S2721DGF
- 27" AOC CQ27G3Z

Brand, series, model

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

Dell S2721DGFAOC CQ27G3Z
Dell S2721DGFAOC CQ27G3Z
Model aliasS2721DGFA-
Model year20202021

Display

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

Size class27 in27 in
Diagonal684.7 mm
68.47 cm
26.9567 in
2.2464 ft
684.66 mm
68.466 cm
26.9551 in
2.2463 ft
Width596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
596.736 mm
59.6736 cm
23.4935 in
1.9578 ft
Height335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
335.664 mm
33.5664 cm
13.2151 in
1.1013 ft
Radius of curvature-1000 mm
100 cm
39.3701 in
3.2808 ft
Panel manufacturerLG-
Panel modelLM270WQA-SSA2-
Panel typeIPSVA
Panel bit depth10 bits (8 bits + FRC)8 bits
FRCYesNo
Colors1073741824 colors
30 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
Resolution2560 x 1440 pixels
Quad HD (QHD) / 1440p
2560 x 1440 pixels
Quad HD (QHD) / 1440p
Pixel pitch0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
0.233 mm
0.0233 cm
0.0092 in
0.0008 ft
Pixel density109 ppi
42 ppcm
109 ppi
42 ppcm
Display area90.07 %90.09 %
BacklightW-LEDW-LED
sRGB144 %99 %
Adobe RGB (1998)85 %-
NTSC (1953)-99 %
DCI P398 %90 %
Brightness360 cd/m²300 cd/m²
Peak brightness480 cd/m²-
Static contrast1000 : 13000 : 1
Dynamic contrast-80000000 : 1
HDRDisplayHDR 400-
Horizontal viewing angle178 °178 °
Vertical viewing angle178 °178 °
Minimum response time1 ms
0.0010 s
4 ms
0.0040 s
Average response time4 ms
0.0040 s
-
Maximum response time6 ms
0.0060 s
-
Input lag3.7 ms
0.0037 s
-
CoatingAnti-glare/Matte (3H)Anti-glare/Matte (3H)
-Response time - 0.5 ms (MPRT - Motion Picture Response Time)

3D

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

3DNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)-30 kHz - 255 kHz
Vertical frequency (digital)30 Hz - 165 Hz48 Hz - 240 Hz
DisplayPort - 2560 x 1440 @ 165 Hz
HDMI - 2560 x 1440 @ 144 Hz
HDMI - 30 kHz - 230 kHz; 48 Hz - 144 Hz
DisplayPort - 30 kHz - 255 kHz; 48 Hz - 240 Hz

Power supply and consumption

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

110V100 V - 120 V100 V - 120 V
220V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz
Electric current (A)1.6 A1.5 A
Power consumption (off)-0.3 W
Power consumption (sleep)0.3 W0.3 W
Power consumption (average)32 W32 W
Power consumption (maximum)90 W-

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.

Width611.6 mm
61.16 cm
24.0787 in
2.0066 ft
605 mm
60.5 cm
23.8189 in
1.9849 ft
Height363.6 mm
36.36 cm
14.315 in
1.1929 ft
367.5 mm
36.75 cm
14.4685 in
1.2057 ft
Depth67.8 mm
6.78 cm
2.6693 in
0.2224 ft
95 mm
9.5 cm
3.7402 in
0.3117 ft
Weight4.5 kg
9.92 lbs
4.6 kg
10.14 lbs
Width with stand611.6 mm
61.16 cm
24.0787 in
2.0066 ft
605 mm
60.5 cm
23.8189 in
1.9849 ft
Height with stand393.9 mm
39.39 cm
15.5079 in
1.2923 ft
401.9 mm
40.19 cm
15.8228 in
1.3186 ft
Depth with stand200.3 mm
20.03 cm
7.8858 in
0.6572 ft
258.8 mm
25.88 cm
10.189 in
0.8491 ft
Weight with stand-5.9 kg
13.01 lbs
Box width-690 mm
69 cm
27.1654 in
2.2638 ft
Box height-523 mm
52.3 cm
20.5906 in
1.7159 ft
Box depth-225 mm
22.5 cm
8.8583 in
0.7382 ft
Box weight9.7 kg
21.38 lbs
8.6 kg
18.96 lbs
ColorsBlackBlack and Red

Ergonomics

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

VESA mountYesYes
VESA interface100 x 100 mm100 x 100 mm
Removable standYesYes
Height adjustmentYesYes
Height adjustment range130 mm
13 cm
5.1181 in
0.4265 ft
130 mm
13 cm
5.1181 in
0.4265 ft
Landscape/portrait pivotYesNo
Left pivot90 °-
Right pivot90 °-
Left/right swivelYesYes
Left swivel45 °40 °
Right swivel45 °40 °
Forward/backward tiltYesYes
Forward tilt5 °5 °
Backward tilt21 °23 °

Camera

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

CameraNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity4 x USB 3.0 (Type-A; downstream)
1 x USB 3.0 (Type-B; upstream)
2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
2 x HDMI 2.0
2 x DisplayPort 1.4
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP)High-bandwidth Digital Content Protection (HDCP)

Features

Some additional functional features of the model.

FeaturesAMD FreeSync Premium Pro
Flicker-free technology
Low Blue Light
NVIDIA G-SYNC Compatible
RGB lights
3-sided frameless design
Adaptive-Sync technology
AMD FreeSync Premium
AOC G-Menu
AOC Game Color
AOC Shadow Control
Flicker-free technology
Game Modes
Low Blue Light
Low Input Lag

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesENERGY STAR
EPEAT
TCO Certified
RoHS
CCC
CE
CEL
CH RoHS
FCC
Win 10

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 temperature0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Operating humidity10 % - 80 %10 % - 85 %
Operating altitude5000 m
16404.2 ft
3657.6 m
12000 ft
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Storage humidity5 % - 90 %5 % - 90 %
Storage altitude12192 m
40000 ft
12192 m
40000 ft

Accessories

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

AccessoriesDisplayPort cable
HDMI cable
USB 3.0 cable
DisplayPort cable (optional)
HDMI cable (optional)

Additional features

Information about other features.

Additional featuresSecurity lock slotAnti-theft stand lock slot - Kensington
 Dell S2721DGFAOC CQ27G3Z