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Compare ASUS ROG Swift PG279QM vs Dell S2721DGF vs Dell S2722DC

Connectivity

Ports
3x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; upstream)
2x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x 3.5 mm Audio In, 4x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; upstream)
2x HDMI 2.0, 1x DisplayPort 1.2, 2x 3.5 mm Audio Out, 1x USB (Type-C; upstream; 65W; DP Alt Mode), 2x USB 3.2 (Type-A; Gen 1; downstream)

Construction

Adjustment | Height
100 mm / 3.937 in
130 mm / 5.1181 in
110 mm / 4.3307 in
Adjustment | Pivot
-0° ~ 90°
-90° ~ 90°
-90° ~ 90°
Adjustment | Swivel
-25° ~ 25°
-45° ~ 45°
-30° ~ 30°
Adjustment | Tilt
-5° ~ 20°
-5° ~ 21°
-5° ~ 21°
Camera
No
No
No
Colors
Black
Black
Silver
Speakers
2x 2W
2x 3W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
4660.4% screen-to-body ratio
90.07% screen-to-body ratio
89.82% screen-to-body ratio
Size | Depth
3.54 in / 90 mm w/o stand, 10.04 in / 255 mm w/ stand
2.67 in / 67.8 mm w/o stand, 7.89 in / 200.3 mm w/ stand
2.18 in / 55.43 mm w/o stand, 6.88 in / 174.72 mm w/ stand
Size | Height
0.28 in / 7 mm w/o stand, 16.06 in / 408 mm w/ stand
14.31 in / 363.6 mm w/o stand, 15.51 in / 393.9 mm w/ stand
14.36 in / 364.64 mm w/o stand, 15.75 in / 400.05 mm w/ stand
Size | Width
24.17 in / 614 mm
24.08 in / 611.6 mm
24.08 in / 611.6 mm
Weight
4.5 kg / 10 lbs w/o stand , 8.1 kg / 18 lbs w/ stand
4.5 kg / 10 lbs w/o stand
5.4 kg / 12 lbs w/o stand , 7.16 kg / 16 lbs w/ stand

Display

Aspect Ratio
16:9
16:9
16:9
Brightness
350 nits / 400 nits (peak)
400 nits
350 nits
Contrast Ratio
1000:1 (static)
1000:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits, 1073741824 colors
8 bits, 16777216 colors
Display Diagonal
27" (27 in / 685.8 mm)
27" (26.96 in / 684.7 mm)
27" (26.96 in / 684.67 mm)
Display Type
IPS, Anti-glare/Matte
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
97% DCI-P3, 150% sRGB
98% DCI-P3
99% sRGB
Pixel Density
109 ppi
109 ppi
109 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.233 mm
Refresh Rate
1 Hz ~ 240 Hz
30 Hz ~ 165 Hz
48 Hz ~ 75 Hz
Resolution
QHD (2560x1440)
QHD (2560x1440)
QHD (2560x1440)
Response Time
1 ms (min)
1 ms (min)
4 ms (min) / 5 ms (avg) / 8 ms (max)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400, HDR10
DisplayHDR 400
Licenses
TÜV Low Blue Light, TÜV Flicker-free
ENERGY STAR, EPEAT, TCO Certified, RoHS
TUV Rheinland Low Blue Light (Hardware Solution)
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Variable Framerate
NVIDIA G-SYNC
NVIDIA G-SYNC, AMD FreeSync Premium
AMD FreeSync
Video
Dark Boost, Fast IPS, Ultra Low Blue Light, GamePlus (Stopwatch/Crosshair/Timer/FPS Counter/Display Alignment), GameVisual, Flicker-free technology, Asus Aura Sync Lighting, NVIDIA Reflex Latency Analyzer, Customized heatsink, Trace Free Technology
Low Blue Light, RGB lights, Flicker-free technology
Dell Display Manager, Flicker-free technology, Low Blue Light, ComfortView

Performance

Energy Efficiency
C
E
Power Consumption
42 W (average) / 0.5 W (sleep) / 0.5 W (off)
32 W (average) / 90 W (max) / 0.3 W (sleep)
17.7 W (average) / 155 W (max) / 0.3 W (sleep) / 0.2 W (off)
Power Supply
65 W Power Delivery via USB-C

Production

Accessory
DisplayPort cable, HDMI cable, USB 3.0 cable
DisplayPort cable, HDMI cable, USB 3.0 cable
DisplayPort cable (optional), HDMI cable (optional), USB Type-C to Type-C cable
Debut
2021
2020
2021

Reviews

Neofiliac score
90%
94%
50%
Pros
  • DisplayHDR 400, HDR10
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • High 4660.4 % screen-to-body ratio
  • Build-in speakers included
  • DisplayHDR 400
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • High 90.07 % screen-to-body ratio
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • Build-in speakers included
  • Integrated USB-C hub
Cons
  • 8-bit display panel
  • No publicized HDR support
  • 8-bit display panel

Price

Offers (incl. referral links)
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