Main trade-off
Dell 27 Plus 4K Monitor
This is the S2725QS without USB-C video, not the similarly named S2725QC.
Head-to-head
Dell S2725QS vs S2725DSM: QS sharpens text at 4K, DSM lowers the pixel load for gaming
The short answer
Choose S2725QS for dense 4K text and image detail. S2725DSM suits a QHD gaming setup where a lower pixel load matters more than maximum sharpness.
Before you choose
The reasoning and the trade-offs
Compare detail at the actual screen size
S2725QS works out to about 163.2 pixels per inch, versus 108.8 for S2725DSM. A denser panel can draw finer text at the same logical size, while comfortable scaling determines workspace.
What this is based on
Pixels per inch = √(width² + height²) / diagonal. Inputs are 3840 × 2160 at 27 inches and 2560 × 1440 at 27 inches. Published nominal diagonals make these approximate.
Main trade-off
Dell 27 Plus QHD Monitor
It has no USB-C laptop video or charging connection.
Dell 27 Plus 4K Monitor
- Choose it for
- Work with fine text and detailed images
- Want a 4K screen at 27 inches
- Main trade-off
- This is the S2725QS without USB-C video, not the similarly named S2725QC.
Dell 27 Plus QHD Monitor
- Choose it for
- Prefer easier-to-drive QHD gaming
- Want a 144Hz ceiling
- Main trade-off
- It has no USB-C laptop video or charging connection.
About this comparison
Choose S2725QS for dense 4K text and image detail. S2725DSM suits a QHD gaming setup where a lower pixel load matters more than maximum sharpness.
The resolution gap is larger than the refresh gap
Winner by situation
Start with what you need it to do
Work with fine text and detailed images
S2725QS has 3840 × 2160 pixels against S2725DSM at 2560 × 1440. That is 2.25 times the native pixel count, with scaling determining usable desktop space.
- Dell 27 Plus 4K Monitor
- Better fit
- Dell 27 Plus QHD Monitor
- Depends
Prefer easier-to-drive QHD gaming
S2725DSM renders fewer native pixels per frame at QHD. This reduces the pixel workload, though it does not guarantee a particular game frame-rate increase.
- Dell 27 Plus 4K Monitor
- Depends
- Dell 27 Plus QHD Monitor
- Better fit
Want a 4K screen at 27 inches
S2725QS is the native 4K model at 27 inches. S2725DSM is QHD and cannot meet a native 4K requirement.
- Dell 27 Plus 4K Monitor
- Better fit
- Dell 27 Plus QHD Monitor
- Not suitable
Want a 144Hz ceiling
S2725DSM reaches 144 Hz, compared with S2725QS at 120 Hz. The 24 Hz gain is a 20% increase in the published ceiling.
- Dell 27 Plus 4K Monitor
- Not suitable
- Dell 27 Plus QHD Monitor
- Better fit
What matters in practice
The differences that matter
Compare detail at the actual screen size
S2725QS works out to about 163.2 pixels per inch, versus 108.8 for S2725DSM. A denser panel can draw finer text at the same logical size, while comfortable scaling determines workspace.
How we reached this conclusion
Pixels per inch = √(width² + height²) / diagonal. Inputs are 3840 × 2160 at 27 inches and 2560 × 1440 at 27 inches. Published nominal diagonals make these approximate.
Separate native detail from game speed
S2725QS draws 8.3 million native pixels per frame and S2725DSM 3.7 million. Their refresh ceilings are 120Hz and 144Hz respectively.
How we reached this conclusion
Native pixels = width × height. Refresh interval =1000 / Hz, giving 8.3 and 6.9 ms. These are signal and cadence calculations, not measured frame rates, input lag or pixel response.
DSM adds 24Hz while QS adds 4.61 million pixels
The refresh difference is 20%, compared with a 125% increase in native pixel count on QS.
How we reached this conclusion
144 - 120 = 24Hz. (144 / 120 - 1) × 100 = 20%. 8,294,400 - 3,686,400 = 4,608,000 pixels.
Choice A
Dell, S2725QS
27 Plus 4K Monitor
A 27-inch 4K screen with 120Hz refresh is a useful middle ground for sharp text, spreadsheets and relaxed gaming. Choose it for a desktop or a laptop that already has a dock.
- Best matched use
- Sharp desktop work with smoother scrolling
Checked facts
- 27-inch 3840 by 2160 IPS panel at 120Hz
- Two HDMI inputs and DisplayPort 1.4, with no USB-C video
- Height adjusts through 130 mm
Choice B
Dell, S2725DSM
27 Plus QHD Monitor
A 27-inch QHD display with 144Hz refresh makes sense when comfortable app sizing matters more than fitting 4K detail on the desk. Height adjustment and built-in speakers cover the basics.
- Best matched use
- Everyday work and smooth casual gaming without a dock
Checked facts
- 27-inch 2560 by 1440 IPS panel at 144Hz
- HDMI and DisplayPort inputs
- 110 mm height adjustment and two 3-watt speakers
Meaningful differences
What changes the fit
| What changes | Dell 27 Plus 4K Monitor | Dell 27 Plus QHD Monitor | Why it matters |
|---|---|---|---|
| Native resolution | 3840 × 2160 | 2560 × 1440 | Operating-system scaling changes usable logical workspace. |
| Panel diagonal | 27 in | 27 in | A nominal screen class may differ slightly from the measured active diagonal. |
| Maximum refresh | 120Hz | 144Hz | Check the exact input, resolution and overclock conditions. |
| Panel technology | IPS | IPS | Panel type alone does not establish a measured color or motion winner. |
| Laptop power | No USB-C laptop charging | No USB-C laptop charging | Host, cable and negotiated power profile must support the desired delivery. |
| Chassis width | Check exact drawing | Check exact drawing | Allow additional room for cables, arms and neighboring equipment. |
| Stand depth | Check exact drawing | Check exact drawing | The included stand can take more desk depth than the display cabinet. |
What you give up
Every choice has a cost
If you choose Dell 27 Plus 4K Monitor
- Its speakers do not turn it into a webcam or conferencing monitor.
If you choose Dell 27 Plus QHD Monitor
- It provides the same 2560 by 1440 workspace as other QHD monitors, regardless of refresh rate.
What matters in practice
How to make the call
The resolution gap is larger than the refresh gap
S2725QS has 2.25 times the native pixels. DSM raises refresh from 120 to 144Hz, a smaller proportional change.
Scaling determines useful office space
More pixels can make text cleaner at the same logical size. They do not automatically create 2.25 times the usable desktop when scaling is increased.
Check the suffix before ordering
QS is the 4K model here, DSM the QHD model. Neither should inherit USB-C charging from the similarly named S2725QC.
What this comparison cannot tell you
- Pixel density and refresh intervals are calculations from published specifications, not a measured visual-quality or latency test.
- USB-C power is a maximum negotiated ceiling. It does not promise full-speed charging for every laptop.
What the facts say
What the comparison shows
Useful conclusions from the current computer monitors comparison, followed by the checked facts used to reach them.
Compared set
All 50 models remain in view on this guide. The answer comes from the facts and trade-offs shown on the page.
50 matching models from 50 checkedMeasured difference
Dell 27 Plus 4K Monitor lists 163 ppi for calculated pixel density, 50% above Dell 27 Plus QHD Monitor at 109 ppi.
- Dell 27 Plus 4K Monitor
- 163 ppi
- Dell 27 Plus QHD Monitor
- 109 ppi
- Comparable models
- 44 of 50
See the checked facts and calculation notes
Match countNo matcher need is preselected here. Open the matcher to add the needs that apply to your home, room or setup.
Calculation notePixel density is calculated from the published diagonal and native pixel dimensions, then rounded to the nearest whole pixel per inch. Operating-system scaling still determines effective text size. 44 of 50 models have comparable published figures for context.
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| Dell 27 Plus 4K Monitor | No positive match recorded for these needs |
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| Dell 27 Plus QHD Monitor | No positive match recorded for these needs |
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Ready to choose?
Check the price. Read the owner reviews.
Open either model on Amazon to check the current price, customer reviews and delivery options.
Dell 27 Plus 4K Monitor
Work with fine text and detailed images
See price & reviews on AmazonDell 27 Plus QHD Monitor
Prefer easier-to-drive QHD gaming
See price & reviews on AmazonLinks open in a new tab.