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Compare Acer Predator X38 vs Acer Predator XB273U KF vs Acer CB273U

Connectivity

Ports
1x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 2x USB 3.0 (downstream), 1x USB 3.0 (upstream)
2x HDMI 2.1, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x USB (Type-C; upstream; 65W; DP Alt Mode), 4x USB 3.0 (Type-A; downstream)
1x Ethernet RJ45 (1 Gbps), 1x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.2, 1x USB (Type-C; upstream; 90W; DP Alt Mode), 4x USB 3.0 (Type-A; downstream)

Construction

Adjustment | Height
130 mm / 5.1181 in
115 mm / 4.5276 in
120 mm / 4.7244 in
Adjustment | Pivot
N/A
-90° ~ 90°
-0° ~ 90°
Adjustment | Swivel
-30° ~ 30°
-20° ~ 20°
-180° ~ 180°
Adjustment | Tilt
-5° ~ 25°
-5° ~ 25°
-6.5° ~ 25°
Camera
No
No
No
Colors
Black
Black
Black and Silver
Form Factor
Curved monitor
Speakers
2x 7W
2x 2W
2x 2W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm

Dimensions

Bezels
89.15% screen-to-body ratio
88.83% screen-to-body ratio
Size | Depth
2.6 in / 66 mm w/o stand
2.65 in / 67.3 mm w/o stand, 9.45 in / 240 mm w/ stand
Size | Height
14.45 in / 367 mm w/o stand
14.45 in / 367 mm w/o stand, 15.29 in / 388.4 mm w/ stand
Size | Width
24.17 in / 614 mm
24.19 in / 614.4 mm
Weight
4.76 kg / 10 lbs w/o stand , 5.85 kg / 13 lbs w/ stand
5.29 kg / 12 lbs w/o stand , 7.77 kg / 17 lbs w/ stand

Display

Aspect Ratio
24:10
16:9
16:9
Brightness
450 nits
350 nits / 600 nits (peak)
350 nits
Contrast Ratio
1000:1 (static), 5000000:1 (dynamic)
1000:1 (static), 100000000:1 (dynamic)
1000:1 (static), 100000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits (8 bits + FRC), 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
8 bits, 16777216 colors
Display Curvature
2300R
Display Diagonal
38" (37.5 in / 952.5 mm)
27" (26.99 in / 685.655 mm)
27" (27 in / 685.8 mm)
Display Type
IPS, Anti-glare/Matte (3H), LG Display
AS-IPS, Anti-glare/Matte
IPS, Anti-glare/Matte (3H)
Gamut
98% DCI-P3, 135% sRGB
90% DCI-P3
99% sRGB
Pixel Density
110 ppi
108 ppi
109 ppi
Pixel Pitch
0.23 mm
0.233 mm
0.233 mm
Refresh Rate
144 Hz
48 Hz ~ 300 Hz
46 Hz ~ 75 Hz
Resolution
UW4K (3840x1600)
QHD (2560x1440)
QHD (2560x1440)
Response Time
1 ms (min)
4 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V

Function

HDR
DisplayHDR 400
HDR10
Licenses
MPR II, ErP, CE, TÜV GS, ISO9241-307 class II
Energy Star, EPEAT, Eyesafe Display, TCO, TÜV Rheinland Certified, Windows 10 Certified
Operating Humidity
20 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
Variable Framerate
NVIDIA G-SYNC
AMD FreeSync Premium
AMD FreeSync
Video
Dark Boost, Flicker-free technology, Nano IPS, Quantum Dot Color, HDCP (High-bandwidth Digital Content Protection), Acer HDR Ultra, ComfyView
ComfyView, KVM Switch, RGB LightSense, Low Blue Light, Flicker-free technology, Adaptive Contrast Management (ACM), Zero Frame, Agile Splendor IPS
Adaptive Contrast Management (ACM), ComfyView, KVM Switch, Flicker-free technology, BlueLightShield, Acer Display Widget, Zero Frame Design, Acer VisionCare 2.0

Performance

Power Consumption
120 W (average) / 1.2 W (sleep) / 0.3 W (off)
25 W (average) / 0.3 W (sleep) / 0.3 W (off)
0.5 W (sleep) / 0.3 W (off)

Production

Accessory
DisplayPort cable, HDMI cable
DisplayPort cable, HDMI cable, USB Type-C cable, USB 3.0 cable
HDMI cable, USB Type-C cable, USB 3.0 cable
Debut
2019
2022
2021

Reviews

Neofiliac score
90%
88%
58%
Pros
  • DisplayHDR 400
  • Ultra-wide form factor
  • 2300R curvature
  • Rich color reproduction
  • Stand with tilt, swivel, and height adjustments
  • High 1000:1 contrast ratio
  • 10-bit display panel
  • Support for NVIDIA G-SYNC
  • Build-in speakers included
  • 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
  • Build-in speakers included
  • Stand with tilt, swivel, pivot, and height adjustments
  • High 1000:1 contrast ratio
  • Build-in speakers included
Cons
  • No publicized HDR support
  • Not 4K
  • 8-bit display panel

Price

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