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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you prioritize high refresh rates and superior contrast for immersive gaming and HDR media consumption, the Corsair with its OLED technology would provide a remarkable experience. However, it comes at a higher cost and is not ideal for productivity due to the lower text clarity and potential for burn-in. The Dell offers great image clarity and better suitability for productivity tasks and digital photo editing at a more affordable price. It doesn't excel in gaming performance due to its lower refresh rate and is not as well-suited for HDR content. Choose the Corsair for a premium gaming/media experience, or the Dell for a balance of productivity and casual use at a better price point. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the Corsair 45WQHD240 (W-OLED)
- Very good for casual gaming
- Very good refresh rate
- Best in class contrast
- Excellent response time
Advantages of the Dell S2721QS (IPS)
- Good for productivity
- Very good text clarity
- Very good image clarity
Key differences
Casual Gaming
8.1
5.9
3440 x 1440
RESOLUTION
3840 x 2160
240Hz
REFRESH RATE
60Hz
Inf:1
NATIVE CONTRAST
1221:1
141 nits
SDR PEAK BRIGHTNESS
373 nits
632 nits
HDR PEAK BRIGHTNESS
386 nits
97.6 %
DCI-P3 COLOR GAMUT
85.2 %
Matte
COATING
Matte
The Corsair 45WQHD240 (W-OLED) is very good for casual gaming, while the Dell S2721QS (IPS) is poor.
Productivity
3.9
7.9
3440 x 1440
RESOLUTION
3840 x 2160
84 PPI
PIXELS PER INCH
164 PPI
No
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The Dell S2721QS (IPS) is good for productivity, while the Corsair 45WQHD240 (W-OLED) is poor.
Media Consumption
5.7
6.7
3440 x 1440
RESOLUTION
3840 x 2160
Inf:1
NATIVE CONTRAST
1221:1
141 nits
SDR PEAK BRIGHTNESS
373 nits
632 nits
HDR PEAK BRIGHTNESS
386 nits
Matte
COATING
Matte
The Dell S2721QS (IPS) is only fair for media consumption, while the Corsair 45WQHD240 (W-OLED) is poor.
Cost
$1,700
$230
$0
$500
$1,000
$1,500
$2,000
$2,500
$3,000
The Corsair 45WQHD240 (W-OLED) has a price of $1,700 and the Dell S2721QS (IPS) costs $230.
HDR Gaming and Media Consumption
Yes
No
The Corsair 45WQHD240 (W-OLED) is suitable for HDR gaming and media consumption while the Dell S2721QS (IPS) is not suitable for HDR gaming and media consumption.
Key similarities
Competitive Gaming
5.4
4.9
240Hz
REFRESH RATE
60Hz
1.6 ms
TOTAL RESPONSE TIME
14.5 ms
20 - 240 Hz
VARIABLE REFRESH RATE
40 - 60 Hz
No
STROBING / BFI
No
141 nits
SDR PEAK BRIGHTNESS
373 nits
The Corsair 45WQHD240 (W-OLED) and Dell S2721QS (IPS) are both poor for competitive gaming.
Digital Photo Editing
Yes
Yes
Both the Corsair 45WQHD240 (W-OLED) and Dell S2721QS (IPS) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Corsair 45WQHD240 (W-OLED) and Dell S2721QS (IPS) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Corsair 45WQHD240 (W-OLED) and Dell S2721QS (IPS) are not suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the Corsair 45WQHD240 (W-OLED) and the Dell S2721QS (IPS) compare to other monitors
Spec Comparison
 |  | |
| Corsair 45WQHD240 (W-OLED) | Dell S2721QS (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,700 | $230 | ||
Screen Size | |||
Screen Size | 45" | 27" | |
Resolution | |||
Resolution | 3440 x 1440 | 3840 x 2160 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | IPS | |
Refresh Rate | |||
Refresh Rate | 240Hz | 60Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 1221:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 141 nits | 373 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 632 nits | 386 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 99.6 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 1.6 ms | 14.5 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 240 Hz | 40 - 60 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 5/10 | |
Ghosting Score | |||
Ghosting Score | 9.3/10 | 6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 84 PPI | 164 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 4/10 | 8.1/10 | |
Image Clarity Score | |||
Image Clarity Score | 5.1/10 | 8.1/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 0 | 2 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 2 | 0 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 1 | |
Shopping
Dell S2721QS (IPS)
See more
Dig into reviews and images
Tom's Hardware
Scharon Harding | September 2021
"The Dell S2721QS 4K monitor brings IPS-level colors and some handy features, like a versatile stand with height adjustments and picture-in-picture for connecting dual systems. But don’t get it for HDR."
Give feedback
We're constantly perfecting our model
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