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Compare ASUS ROG Strix XG27UQR vs Dell S2522HG vs Dell S2721QS

Connectivity

Ports
2x HDMI 2.0, 2x DisplayPort 1.4 (DSC), 1x 3.5 mm Audio Out, 1x USB 3.0 (Type-B; upstream), 2x USB 3.0 (Type-A; downstream)
2x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 4x USB 3.2 (Gen1; BC 1.2 2A), 1x USB 3.2 (Gen1; upstream)
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.2

Construction

Adjustment | Height
100 mm / 3.937 in
130 mm / 5.1181 in
110 mm / 4.3307 in
Adjustment | Pivot
N/A
-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 3W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
82.79% screen-to-body ratio
103.61% screen-to-body ratio
89.83% screen-to-body ratio
Size | Depth
3.71 in / 94.33 mm w/o stand, 10.02 in / 254.5 mm w/ stand
2.69 in / 68.38 mm w/o stand, 7.89 in / 200.3 mm w/ stand
2.18 in / 55.4 mm w/o stand, 6.88 in / 174.7 mm w/ stand
Size | Height
15 in / 381.11 mm w/o stand, 16.63 in / 422.36 mm w/ stand
12.88 in / 327.24 mm w/o stand, 14.79 in / 375.75 mm w/ stand
14.35 in / 364.6 mm w/o stand, 15.75 in / 400.1 mm w/ stand
Size | Width
24.95 in / 633.64 mm
21.87 in / 555.4 mm
24.08 in / 611.6 mm
Weight
4.4 kg / 10 lbs w/o stand , 8 kg / 18 lbs w/ stand
3.72 kg / 8 lbs w/o stand , 6.13 kg / 13 lbs w/ stand
4.7 kg / 10 lbs w/o stand , 6.4 kg / 14 lbs w/ stand

Display

Aspect Ratio
16:9
16:9
16:9
Brightness
350 nits / 400 nits (peak)
400 nits
350 nits / 390 nits (peak)
Contrast Ratio
1000:1 (static)
1000:1 (static)
1300:1 (static)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits (8 bits + FRC), 1073741824 colors
8 bits, 16777216 colors
10 bits, 1073741824 colors
Display Diagonal
27" (26.95 in / 684.47 mm)
25" (21.41 in / 543.744 mm)
27" (26.96 in / 684.7 mm)
Display Type
AHVA IPS, Anti-glare/Matte, AU Optronics
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H)
Gamut
90% DCI-P3
99% sRGB
99% sRGB
Pixel Density
163 ppi
78 ppi
163 ppi
Pixel Pitch
0.155 mm
0.283 mm
0.155 mm
Refresh Rate
48 Hz ~ 144 Hz
48 Hz ~ 240 Hz
40 Hz ~ 60 Hz
Resolution
4K (3840x2160)
FHD (1920x1080)
4K (3840x2160)
Response Time
1 ms (min)
4 ms (min) / 8 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400, HDR10
Licenses
BSMI, CB, CCC, CE, CEC, CEL, CU, ErP, E-Standby, FCC, ICES-3, J-MOSS, KCC, PSE, RCM, RoHS, TUV-Flicker Free, TUV-Low Blue Light, UkrSEPRO, UL/cUL, VCCI, WEEE, Windows 7 WHQL, Windows 8.1 WHQL, Windows 10 WHQL
RoHS
ENERGY STAR 8.0, EPEAT, RoHS, TCO Certified, TUV Flicker Free, TUV Low Blue Light
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
Color Accuracy, Display Widget, Trace Free Technology, Flicker-free technology, GameVisual, Ultra-Low Blue Light, GamePlus, ELMB (Extreme Low Motion Blur), Adaptive-Sync technology, VESA DSC (Display Stream Compression), Aura Sync, Shadow Boost
Dell ComfortView, Dark Stabilizer, FPS Counter, Low Blue Light, Flicker-free technology, Timer, Ambient lighting
Flicker-free technology, Low Blue Light, 3-sided bezeless design

Performance

Power Consumption
44 W (average) / 90 W (max) / 25 W (eco) / 0.5 W (sleep) / 0.5 W (off)
17.26 W (average) / 72 W (max) / 16.8 W (eco) / 0.3 W (sleep) / 0.3 W (off)
28 W (average) / 52 W (max) / 24.3 W (eco) / 0.3 W (sleep) / 0.3 W (off)

Production

Accessory
Color pre-calibration report, DisplayPort cable (optional), HDMI cabl (optional)
HDMI cable
Debut
2021
2021
2020

Reviews

Neofiliac score
90%
56%
64%
Pros
  • DisplayHDR 400, HDR10
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • Stand with tilt, swivel, pivot, and height adjustments
  • Fast 1 ms response time
  • High 1000:1 contrast ratio
  • Support for NVIDIA G-SYNC
  • High 103.61 % screen-to-body ratio
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1300:1 contrast ratio
  • 10-bit display panel
  • Build-in speakers included
Cons
  • No publicized HDR support
  • Low 78 ppi pixel density
  • 8-bit display panel
  • No publicized HDR support

Price

Offers (incl. referral links)
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