Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | BenQ - PD2730S | HP - Z27k G3 4K USB-C |
|---|---|---|
| USB-C Power Delivery | 96 W | 100 W |
Between the PD2730S and Z27k G3 4K USB-C, the PD2730S comes out ahead in several specs, while the Z27k G3 4K USB-C wins on usb-c power delivery. Overall, the PD2730S scores 65.6 and the Z27k G3 4K USB-C scores 63.3 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (65.6 vs 63.3). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
The PD2730S does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Z27k G3 4K USB-C if you care most about usb-c power delivery. Its strongest claims are usb-c power delivery. The single most decisive one: USB-C Power Delivery — 4.17% more. 100 W vs 96 W.
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 HP - Z27k G3 4K USB-C?
BenQ - PD2730S leads the current Mars Score by 2.3 points.The more useful decision is the trade-off behind that result: compare the highlighted specifications against the way you will actually use the product.
Choose BenQ - PD2730S if…
BenQ - PD2730S does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose HP - Z27k G3 4K USB-C if…
HP - Z27k G3 4K USB-C has the measurable edge on has usb c pd w.
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
- No decisive advantages.
Why HP - Z27k G3 4K USB-C wins
- ▲USB-C Power Delivery — 4.17% more. 100 W vs 96 W.
Spec comparison
Panel
| Spec | BenQ - PD2730S | HP - Z27k G3 4K USB-C |
|---|---|---|
| Screen size | 27 " | 27 " |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 5Klead | 4K |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | BenQ - PD2730S | HP - Z27k G3 4K USB-C |
|---|---|---|
| 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 | HP - Z27k G3 4K USB-C |
|---|---|---|
| HDMI ports | 1 | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | true | true |
| USB-C Power Deliveryⓘ | 96 W | 100 Wlead |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, PD2730S or Z27k G3 4K USB-C?+
Z27k G3 4K USB-C refreshes at 60Hz vs 60Hz.
Which has faster response time, PD2730S or Z27k G3 4K USB-C?+
Z27k G3 4K USB-C responds in 5ms vs 5ms.
Does PD2730S or Z27k G3 4K USB-C have USB-C with power delivery?+
Both offer USB-C PD — 96W on PD2730S, 100W on Z27k G3 4K USB-C.