Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | BenQ - PD2730S | BenQ - PD3225U |
|---|---|---|
| Screen size | 27 " | 31.5 " |
| USB-C Power Delivery | 96 W | 90 W |
Between the PD2730S and PD3225U, the PD2730S comes out ahead in usb-c power delivery, while the PD3225U wins on screen size. Overall, the PD2730S scores 65.6 and the PD3225U scores 64.8 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (65.6 vs 64.8). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the PD2730S if you care most about usb-c power delivery. The biggest gaps in its favor are usb-c power delivery. The single most decisive one: USB-C Power Delivery — 6.67% more. 96 W vs 90 W.
Pick the PD3225U if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are screen size. The single most decisive one: Screen size — 16.67% more. 31.5 " vs 27 ".
Both ship with comparable refresh rate, response time (gtg), peak brightness, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: BenQ - PD2730S or BenQ - PD3225U?
BenQ - PD2730S leads the current Mars Score by 0.8 points.The more useful decision is the trade-off behind that result: compare screen size against the way you will actually use the product.
Choose BenQ - PD2730S if…
BenQ - PD2730S has the measurable edge on has usb c pd w.
Choose BenQ - PD3225U if…
BenQ - PD3225U has the measurable edge on screen size in.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why BenQ - PD2730S wins
- ▲USB-C Power Delivery — 6.67% more. 96 W vs 90 W.
Why BenQ - PD3225U wins
- ▲Screen size — 16.67% more. 31.5 " vs 27 ".
Spec comparison
Panel
| Spec | BenQ - PD2730S | BenQ - PD3225U |
|---|---|---|
| Screen size | 27 " | 31.5 "lead |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 5Klead | 4K |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | BenQ - PD2730S | BenQ - PD3225U |
|---|---|---|
| Refresh rateⓘ | 60 Hz | 60 Hz |
| Response time (GtG)ⓘ | 5 ms | 5 ms |
| Peak brightnessⓘ | 400 nits | 400 nits |
| DCI-P3 coverageⓘ | 98 % | 98 % |
| HDRⓘ | true | true |
| G-Syncⓘ | false | false |
| FreeSyncⓘ | false | false |
Connectivity
| Spec | BenQ - PD2730S | BenQ - PD3225U |
|---|---|---|
| HDMI ports | 1 | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | true | true |
| USB-C Power Deliveryⓘ | 96 Wlead | 90 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, PD2730S or PD3225U?+
PD3225U refreshes at 60Hz vs 60Hz.
Which has faster response time, PD2730S or PD3225U?+
PD3225U responds in 5ms vs 5ms.
Does PD2730S or PD3225U have USB-C with power delivery?+
Both offer USB-C PD — 96W on PD2730S, 90W on PD3225U.