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Compare ASUS ROG Strix XG27UQR vs Asus PA27UCX vs Gigabyte S55U

Variants
Monitor only
W/ Colorimeter

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)
1x USB-C + 4x USB 3.0 + 2x HDMI 2.0 + 1x DisplayPort 1.2 + 1x Headphone
1x USB 3.2 (Type-B; Gen 1; 5 Gbps upstream), 1x Ethernet RJ45, 2x HDMI 2.1 (CEC), 1x 3.5 mm Audio Out, 1x Optical Audio Out, 2x HDMI 2.0 (CEC), 1x USB 2.0, 1x USB 3.2 (Type-A; Gen 1; 5 Gbps downstream)
Wireless Connectivity
WiFi 5 + Bluetooth + WiFi Direct

Construction

Adjustment | Height
100 mm / 3.937 in
N/A
Adjustment | Pivot
N/A
-90° ~ 90°
N/A
Adjustment | Swivel
-25° ~ 25°
-60° ~ 60°
N/A
Adjustment | Tilt
-5° ~ 20°
-5° ~ 23°
N/A
Camera
No
No
Colors
Black
Black
Speakers
2x 2W
2x 10W
VESA Mount
100 x 100 mm
100 x 100 mm
400 x 300 mm

Dimensions

Bezels
82.79% screen-to-body ratio
93.17% screen-to-body ratio
Size | Depth
3.71 in / 94.33 mm w/o stand, 10.02 in / 254.5 mm w/ stand
367.2 mm w/o stand
3.86 in / 98 mm w/o stand, 12.17 in / 309 mm w/ stand
Size | Height
15 in / 381.11 mm w/o stand, 16.63 in / 422.36 mm w/ stand
91.3 mm w/o stand
28.23 in / 717 mm w/o stand, 29.49 in / 749 mm w/ stand
Size | Width
24.95 in / 633.64 mm
625.2 mm
48.5 in / 1232 mm
Weight
4.4 kg / 10 lbs w/o stand , 8 kg / 18 lbs w/ stand
7.6 kg w/o stand
16.9 kg / 37 lbs w/o stand , 18.1 kg / 40 lbs w/ stand

Display

Aspect Ratio
16:9
16:9
16:9
Brightness
350 nits / 400 nits (peak)
300 nits (typical) / 1000 nits (HDR, peak)
500 nits / 1500 nits (peak)
Contrast Ratio
1000:1 (static)
1000:1 (typical) / 1000000:1 (HDR, max)
5000:1 (static)
Display Backlight
W-LED
Full-Array LED (Mini-LED) w/ 576-zone local dimming
Direct LED (Full Array Local Dimming)
Display Color Depth
10 bits (8 bits + FRC), 1073741824 colors
1073.7M (10-bit)
10 bits, 1073741824 colors
Display Diagonal
27" (26.95 in / 684.47 mm)
27 inch
55" (54.65 in / 1388 mm)
Display Type
AHVA IPS, Anti-glare/Matte, AU Optronics
IPS matte w/ Quantum-dot technology
VA
Gamut
90% DCI-P3
99.5% Adobe RGB, 97% DCI-P3, 100% sRGB, 83% Rec. 2020
96% DCI-P3, 140% sRGB
Pixel Density
163 ppi
80 ppi
Pixel Pitch
0.155 mm
0.155 mm
0.315 mm
Refresh Rate
48 Hz ~ 144 Hz
60 Hz
48 Hz ~ 120 Hz
Resolution
4K (3840x2160)
4K UHD (3840x2160)
4K (3840x2160)
Response Time
4 ms (gray to gray)
2 ms (min) / 5 ms (avg)
Viewing Angle
178° H / 178° V
178° (H) / 178° (V)
178° H / 178° V

Function

HDR
DisplayHDR 400, HDR10
HDR10, HLG, Dolby Vision, VESA DisplayHDR 1000
HDR10, HDR10+, HLG (Hybrid Log Gamma), Dolby Vision, Dolby Vision IQ
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
Operating System
Android 11
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
Variable Framerate
NVIDIA G-SYNC
Adaptive-Sync, 48 ~ 75 Hz
AMD FreeSync Premium
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
YouTube, Black Equalizer, Parental Control, Google Assistant, Low Blue Light, Timer, Prime Video, Light Sensor, Crosshair, 6-axis Color Control, Quantum Dot Color, Netflix, Aim Stabilizer Sync, Noise Reduction

Performance

Power Consumption
44 W (average) / 90 W (max) / 25 W (eco) / 0.5 W (sleep) / 0.5 W (off)
46 W
83 W (average) / 0.3 W (sleep)
Power Supply
60 W Power Deliver via USB-C

Production

Accessory
Color pre-calibration report, DisplayPort cable (optional), HDMI cabl (optional)
HDMI cable
Debut
2021
2019
2022

Reviews

Neofiliac score
90%
96%
84%
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
  • Mini LED backlighting
  • Full-Array LED local dimming
  • HDR10, HLG (Hybrid Log Gamma), Dolby Vision, DisplayHDR 1000
  • Rich color reproduction
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Full-Array LED local dimming
  • Rich color reproduction
  • High 5000:1 contrast ratio
  • 10-bit display panel
  • High 93.17 % screen-to-body ratio
  • Build-in speakers included
Cons
  • Stand lacks ergonomic adjustment

Price

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