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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Features
- Comments
Dell U2415 vs Cooler Master Tempest GP27U
Side-by-Side Comparison
Products
Dell U2415
Cooler Master Tempest GP27U
Tested using Methodology v1.0
Updated May 29, 2023 03:07 PM
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Amazon.comTested using Methodology v1.2
Updated Dec 18, 2024 03:54 PM
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BestBuy.com
Max Refresh Rate60 Hz
Size24"
Pixel TypeIPS
Variable Refresh RateNo
HDR10No
Native Resolution1920 x 1200
Max Refresh Rate160 Hz
Size27"
Pixel TypeIPS
Variable Refresh RateYes
HDR10Yes
Native Resolution3840 x 2160
Variants
- U2415 (24")
- Tempest GP27U (27")
Our Verdict
Dell U2415
Cooler Master Tempest GP27U
Full comparison details regarding individual product score sets can be found in the section below
Check Price
24"
U2415
SEE PRICE
Amazon.com27"
Tempest GP27U
SEE PRICE
BestBuy.com24"
U2415
SEE PRICE
Amazon.com27"
Tempest GP27U
SEE PRICE
BestBuy.com24"
U2415
SEE PRICE
Amazon.com27"
Tempest GP27U
SEE PRICE
BestBuy.com24"
U2415
SEE PRICE
BestBuy.com27"
Tempest GP27U
SEARCH
Amazon.com24"
U2415
SEE PRICE
BestBuy.com27"
Tempest GP27U
SEARCH
Amazon.com24"
U2415
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Amazon.com27"
Tempest GP27U
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Amazon.com27"
Tempest GP27U
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Amazon.comMain Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
7.4
8.4
Resolution and Size
7.3
9.0
SDR Peak Brightness
7.0
8.8
Black Uniformity
4.5
7.0
HDR Color Gamut
0.0
9.4
Vertical Viewing Angle
8.2
7.5
Image Flicker
7.5
10
HDR Peak Brightness
0.0
9.1
HDR Color Volume
0.0
8.4
SDR Color Gamut
8.8
9.9
Local Dimming
0.0
7.0
Gradient
8.4
9.6
Gray Uniformity
8.6
8.0
SDR Color Volume
9.1
9.9
Motion Blur
8.4
9.2
Ergonomics
8.2
8.6
Horizontal Viewing Angle
7.2
7.0
Pre Calibration
7.8
6.6
Reflections
7.5
7.3
Contrast
6.1
6.4
Full Comparison
Design
Style
Design Picture
Curved
No
No
Curve Radius
N/A
Not Curved
Size
24"
27"
Weight (without stand)
7.9 lbs (3.6 kg)
11.7 lbs (5.3 kg)
Weight (with stand)
12.8 lbs (5.8 kg)
15.2 lbs (6.9 kg)
Accelerated Longevity Test
Uniformity Pictures
Longevity Graph
Build Quality
7.5
7.0
Build Quality Picture
Ergonomics
8.2
8.6
Ergonomics Picture
Back Picture
Height Adjustment
4.5" (11.4 cm)
4.3" (11.0 cm)
Tilt Range
-22.5° to 5°
-20° to 5°
Rotate Portrait/Landscape
Yes
Yes, Both Ways
Swivel Range
-45° to 45°
-30° to 30°
Wall Mount
VESA 100x100
VESA 100x100
Stand
Stand Picture
Thickness Picture
Base Width
9.6" (24.4 cm)
11.6" (29.4 cm)
Base Depth
8.1" (20.6 cm)
10.8" (27.4 cm)
Thickness (With Display)
5.8" (14.7 cm)
6.3" (16.0 cm)
Weight (With Display)
12.8 lbs (5.8 kg)
15.2 lbs (6.9 kg)
Display
Display Picture
Size
24"
27"
Housing Width
24.3" (61.6 cm)
Housing Height
14.3" (36.3 cm)
Thickness (Without Stand)
1.7" (4.3 cm)
2.8" (7.0 cm)
Weight (Without Stand)
7.9 lbs (3.6 kg)
11.7 lbs (5.3 kg)
Borders Size (Bezels)
0.2" (0.5 cm)
0.2" (0.5 cm)
Controls
Controls Picture
In The Box
In The Box Picture
Power Supply
Internal
External Brick
Back
Back picture
Wall Mount
VESA 100x100
VESA 100x100
Borders
Borders picture
Borders
0.2" (0.5 cm)
0.2" (0.5 cm)
Thickness
Thickness picture
Thickness (with stand)
5.8" (14.7 cm)
6.3" (16.0 cm)
Thickness (without stand)
1.7" (4.3 cm)
2.8" (7.0 cm)
Picture Quality
Contrast
6.1
6.4
Checkerboard Picture
LCD Type
IPS
IPS
Native Contrast
1,064 : 1
1,072 : 1
Contrast With Local Dimming
N/A
2,209 : 1
Local Dimming
0.0
7.0
Local Dimming Video
Local Dimming Video
Local Dimming
No
Yes
Backlight
Direct
Full-Array
SDR Brightness
7.0
8.8
Real Scene
257 cd/m²
634 cd/m²
Peak 2% Window
262 cd/m²
577 cd/m²
Peak 10% Window
275 cd/m²
772 cd/m²
Peak 25% Window
275 cd/m²
854 cd/m²
Peak 50% Window
275 cd/m²
758 cd/m²
Peak 100% Window
274 cd/m²
698 cd/m²
Sustained 2% Window
260 cd/m²
573 cd/m²
Sustained 10% Window
274 cd/m²
763 cd/m²
Sustained 25% Window
274 cd/m²
846 cd/m²
Sustained 50% Window
274 cd/m²
756 cd/m²
Sustained 100% Window
274 cd/m²
697 cd/m²
Automatic Brightness Limiting (ABL)
0.003
0.015
Minimum Brightness
52 cd/m²
HDR Brightness
0.0
9.1
EOTF
VESA DisplayHDR Certification
No Certification
Real Scene
N/A
1,127 cd/m²
Peak 2% Window
N/A
846 cd/m²
Peak 10% Window
N/A
1,550 cd/m²
Peak 25% Window
N/A
1,359 cd/m²
Peak 50% Window
N/A
1,274 cd/m²
Peak 100% Window
N/A
1,532 cd/m²
Sustained 2% Window
N/A
834 cd/m²
Sustained 10% Window
N/A
1,497 cd/m²
Sustained 25% Window
N/A
1,344 cd/m²
Sustained 50% Window
N/A
1,267 cd/m²
Sustained 100% Window
N/A
1,368 cd/m²
Automatic Brightness Limiting (ABL)
N/A
0.029
Horizontal Viewing Angle
7.2
7.0
Horizontal Viewing Angle Video
Horizontal Chroma Graph
Color Washout From Left
27°
Color Washout From Right
32°
Horizontal Color Shift Picture
Horizontal Hue Graph
Color Shift From Left
42°
39°
Color Shift From Right
34°
45°
Horizontal Brightness Picture
Horizontal Black Level Picture
Horizontal Lightness Graph
Brightness Loss From Left
48°
31°
Brightness Loss From Right
42°
36°
Black Level Raise From Left
75°
70°
Black Level Raise From Right
75°
70°
Curve Radius
N/A
Gamma Shift From Left
30°
Gamma Shift From Right
35°
Vertical Viewing Angle
8.2
7.5
Vertical Viewing Angle Video
Vertical Chroma Graph
Color Washout From Below
31°
Color Washout From Above
35°
Vertical Color Shift Picture
Vertical Hue Graph
Color Shift From Below
25°
54°
Color Shift From Above
30°
58°
Vertical Brightness Picture
Vertical Black Level Picture
Vertical Lightness Graph
Brightness Loss From Below
34°
33°
Brightness Loss From Above
37°
37°
Black Level Raise From Below
75°
70°
Black Level Raise From Above
75°
70°
Gamma Shift From Below
40°
Gamma Shift From Above
44°
Gray Uniformity
8.6
8.0
50% Uniformity Picture
50% Std. Dev.
3.281%
2.991%
50% DSE
0.109%
0.142%
5% Uniformity Picture
5% Std. Dev.
0.463%
5% DSE
0.046%
Black Uniformity
4.5
7.0
Native Black Uniformity Picture
Native Std. Dev.
3.009%
1.684%
Black Uniformity Picture With Local Dimming
Std. Dev. w/ L.D.
N/A
0.471%
Color Accuracy (Pre-Calibration)
7.8
6.6
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
Custom Color
Standard (sRGB)
sRGB Gamut Area xy
95.1%
White Balance dE (Avg.)
2.73
7.83
Color Temperature (Avg.)
6,161 K
6,060 K
Gamma (Avg.)
2.16
2.28
Color dE (Avg.)
2.84
4.58
Contrast Setting
75
70
RGB Settings
100-100-100
50-50-50
Gamma Setting
2.2
Brightness Setting
75
50
Measured Brightness
230 cd/m²
350 cd/m²
Brightness Locked
No
Color Accuracy (Post-Calibration)
9.5
9.4
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Custom Color
Standard
sRGB Gamut Area xy
102.0%
White Balance dE (Avg.)
0.81
1.18
Color Temperature (Avg.)
6,482 K
6,491 K
Gamma (Avg.)
2.18
2.18
Color dE (Avg.)
0.45
0.77
Contrast Setting
75
70
RGB Settings
96-99-100
50-48-49
Gamma Setting
2.2
Brightness Setting
30
4
Measured Brightness
101 cd/m²
104 cd/m²
ICC Profile
SDR Color Gamut
8.8
9.9
sRGB Color Gamut Picture
sRGB Coverage xy
98.6%
99.6%
sRGB Picture Mode
Standard
Adobe RGB Color Gamut Picture
Adobe RGB Coverage xy
76.9%
99.6%
Adobe RGB Picture Mode
Standard
SDR Color Volume
9.1
9.9
sRGB Color Volume ITP Picture
sRGB In ICtCp
98.1%
99.0%
sRGB Picture Mode
Standard
Adobe RGB Color Volume ITP Picture
Adobe RGB In ICtCp
83.8%
98.8%
Adobe RGB Picture Mode
Standard
HDR Color Gamut
0.0
9.4
Wide Color Gamut
No
Yes
DCI-P3 Color Gamut Picture
DCI-P3 Coverage xy
97.4%
DCI-P3 Picture Mode
Game
Rec. 2020 Color Gamut Picture
Rec. 2020 Coverage xy
N/A
82.5%
Rec. 2020 Picture Mode
Game
DCI P3 xy
N/A
HDR Color Volume
0.0
8.4
DCI-P3 Color Volume ITP Picture
DCI-P3 In ICtCp
N/A
84.7%
DCI-P3 Picture Mode
Game
Rec. 2020 Color Volume ITP Picture
Rec. 2020 In ICtCp
N/A
73.2%
Rec. 2020 Picture Mode
Game
Image Retention
10
Image Retention Picture
IR after 0 min recovery
0.00%
IR after 2 min recovery
0.00%
IR after 4 min recovery
0.00%
IR after 6 min recovery
0.00%
IR after 8 min recovery
0.00%
IR after 10 min recovery
0.00%
Reflections
7.5
7.3
Average Room
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Matte
Total Reflections
5.5%
Indirect Reflections
3.2%
Calculated Direct Reflections
2.4%
Text Clarity
9.0
ClearType On
ClearType Off
Pixel Type
IPS
IPS
Pixels
Subpixel Layout
RGB
Gradient
8.4
9.6
Gradient Picture
Color Depth
8 Bit
10 Bit
Color Bleed
10
Color bleed horizontal
Pixel row error
0.000%
Color bleed vertical
Pixel column error
0.000%
Motion
Refresh Rate
8.5
Native Refresh Rate
160 Hz
Max Refresh Rate
60 Hz
160 Hz
Max Refresh Rate Over DP
160 Hz
Max Refresh Rate Over HDMI
144 Hz
Max Refresh Rate Over DP @ 10-bit
160 Hz
Max Refresh Rate Over HDMI @ 10-Bit
144 Hz
Variable Refresh Rate (VRR)
FreeSync
Compatible (Tested)
G-SYNC
No
Compatible (Tested)
VRR Maximum
N/A
160 Hz
VRR Minimum
N/A
< 20 Hz
VRR Supported Connectors
N/A
DisplayPort, HDMI
Variable Refresh Rate
No
Yes
Native Refresh Rate
60 Hz
160 Hz
Factory Overclock
N/A
Variable Refresh Rate
No
VRR Maximum With OC
N/A
Response Time @ Max Refresh Rate
8.4
9.2
Motion Blur Picture
Response Time Table
Recommended Overdrive Setting
Normal
Normal
Rise / Fall Time
6.4 ms
3.4 ms
Total Response Time
13.2 ms
6.2 ms
Overshoot Error
1.3%
Worst 3 Rise / Fall Time
4.2 ms
Worst 3 Total Response Time
8.7 ms
Worst 3 Overshoot Error
9.4%
Motion Blur Picture
Response Time Chart
Response Time @ 120Hz
9.0
Motion Blur Picture
Response Time Table
Recommended Overdrive Setting
Off
Rise / Fall Time
3.7 ms
Total Response Time
7.5 ms
Overshoot Error
0.0%
Worst 3 Rise / Fall Time
5.5 ms
Worst 3 Total Response Time
9.5 ms
Worst 3 Overshoot Error
0.0%
Response Time @ 60Hz
8.6
Motion Blur Picture
Response Time Table
Recommended Overdrive Setting
Off
Rise / Fall Time
3.8 ms
Total Response Time
9.4 ms
Overshoot Error
0.0%
Worst 3 Rise / Fall Time
5.5 ms
Worst 3 Total Response Time
16.6 ms
Worst 3 Overshoot Error
0.0%
Backlight Strobing (BFI)
Backlight Strobing Picture
Backlight Strobing Frequency Picture
Backlight Strobing (BFI)
No
No BFI
Maximum Frequency
N/A
N/A
Minimum Frequency
N/A
N/A
Longest Pulse Width Brightness
N/A
Shortest Pulse Width Brightness
N/A
Pulse Width Control
No BFI
Pulse Phase Control
No BFI
Pulse Amplitude Control
No BFI
VRR At The Same Time
No BFI
Image Flicker
7.5
10
Backlight Picture
Flicker-Free
Yes
Yes
PWM Dimming Frequency
0 Hz
0 Hz
Black Frame Insertion (BFI)
No
No BFI
BFI Picture
BFI Frequency Picture
BFI Maximum Frequency
N/A
N/A
BFI Minimum Frequency
N/A
N/A
Inputs
Input Lag
8.9
8.9
Native Resolution @ Max Hz
9.1 ms
3.9 ms
Non-Native Res @ Native Refresh
9.1 ms
Native Resolution @ 120Hz
4.8 ms
Native Resolution @ 60Hz
9.1 ms
8.8 ms
Variable Refresh Rate
N/A
10 bit HDR
N/A
Backlight Strobing (BFI)
N/A
N/A
Resolution And Size
7.3
9.0
Native Resolution
1920 x 1200
3840 x 2160
Aspect Ratio
16:10
16:9
Megapixels
2.3 MP
8.3 MP
Pixel Density
94 PPI
163 PPI
Measured Screen Diagonal
24.0"
26.9"
Screen Area
260 in²
310 in²
PS5 Compatibility
10
PS5 Compatibility Photo
4k @ 120Hz
Yes
4k @ 60Hz
Yes
1440p @ 120Hz
Yes
1440p @ 60Hz
Yes
1080p @ 120Hz
Yes
1080p @ 60Hz
Yes
HDR
Yes
VRR
Yes
Xbox Series X|S Compatibility
10
XSX Compatibility Photo
4k @ 120Hz
Yes
4k @ 60Hz
Yes
1440p @ 120Hz
Yes
1440p @ 60Hz
Yes
1080p @ 120Hz
Yes
1080p @ 60Hz
Yes
HDR
Yes
VRR
Yes
Inputs Photos
Inputs 1
Inputs 2
Video And Audio Ports
DisplayPort
1 (DP 1.2)
1 (DP 1.4)
Mini DisplayPort
1 (DP 1.2)
No
HDMI
2 (HDMI 1.4)
2 (HDMI 2.1)
HDMI 2.1 Rated Speed
48Gbps (FRL 12x4)
DVI
No
No
VGA
No
No
Daisy Chaining
No
3.5mm Audio Out
1
1
HDR10
No
Yes
3.5mm Audio In
No
3.5mm Microphone In
No
No
DisplayPort Out
1 (DP 1.2)
USB
5 (USB 3.0)
2
USB C
No
1
Digital Optical Audio Out
No
Analog Audio Out RCA
No
Power Supply
Internal
External Brick
USB
USB-A Ports
5 (USB 3.0)
2
USB-A Rated Speed
5Gbps (USB 3.2 Gen 1)
USB-B Upstream Port
Yes
USB-C Ports
No
1
USB-C Upstream
Yes
USB-C Rated Speed
5Gbps (USB 3.2 Gen 1)
USB-C Power Delivery
90W
USB-C DisplayPort Alt Mode
Yes
Thunderbolt
No
macOS Compatibility
macOS Screenshot
Features
Additional Features
Speakers
No
Yes
RGB Illumination
Fixed (On/Off)
Multiple Input Display
No
No
KVM Switch
Yes
HDR10
No
Yes
On-Screen Display (OSD)
OSD Picture
Controls
Controls picture
In The Box
In The Box picture
Check Price
24"
U2415
SEE PRICE
Amazon.com27"
Tempest GP27U
SEE PRICE
BestBuy.com24"
U2415
SEE PRICE
Amazon.com27"
Tempest GP27U
SEE PRICE
BestBuy.com24"
U2415
SEE PRICE
Amazon.com27"
Tempest GP27U
SEE PRICE
BestBuy.com24"
U2415
SEE PRICE
BestBuy.com27"
Tempest GP27U
SEARCH
Amazon.com24"
U2415
SEE PRICE
BestBuy.com27"
Tempest GP27U
SEARCH
Amazon.com24"
U2415
SEARCH
Amazon.com27"
Tempest GP27U
SEARCH
Amazon.com27"
Tempest GP27U
SEARCH
Amazon.com
Dell U2415
Cooler Master Tempest GP27U
Comments
Dell U2415 vs Cooler Master Tempest GP27U: Main Discussion
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