Dell - Alienware AW3225QF vs LG - UltraGear 45GX950A-B
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dell - Alienware AW3225QF | LG - UltraGear 45GX950A-B |
|---|---|---|
| Refresh rate | 240 Hz | 165 Hz |
| Screen size | 31.6 " | 45 " |
| Peak brightness | 1000 nits | 1300 nits |
| DCI-P3 coverage | 99 % | 98.5 % |
| Panel type | QD-OLED | OLED |
| USB-C Power Delivery | 0 W | 90 W |
Between the Alienware AW3225QF and UltraGear 45GX950A-B, the Alienware AW3225QF comes out ahead in refresh rate / dci-p3 coverage, while the UltraGear 45GX950A-B wins on screen size / peak brightness. Overall, the Alienware AW3225QF scores 78.1 and the UltraGear 45GX950A-B scores 81.4 on our Mars Score.
Which should you buy?
The UltraGear 45GX950A-B edges ahead on the Mars Score (78.1 vs 81.4), but the 3.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Alienware AW3225QF if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are refresh rate, dci-p3 coverage, panel type. The single most decisive one: Refresh rate — 45.45% more. 240 Hz vs 165 Hz.
Pick the UltraGear 45GX950A-B if you care most about screen size / peak brightness. Its strongest claims are screen size, peak brightness, usb-c power delivery. The single most decisive one: Screen size — 42.41% more. 45 " vs 31.6 ".
Both ship with comparable response time (gtg), g-sync, freesync, 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: Dell - Alienware AW3225QF or LG - UltraGear 45GX950A-B?
LG - UltraGear 45GX950A-B leads the current Mars Score by 3.3 points.The more useful decision is the trade-off behind that result: compare screen size, refresh rate, panel type against the way you will actually use the product.
Choose Dell - Alienware AW3225QF if…
Dell - Alienware AW3225QF has the measurable edge on refresh rate hz, color gamut dci p3 pct, panel type.
Choose LG - UltraGear 45GX950A-B if…
LG - UltraGear 45GX950A-B has the measurable edge on screen size in, peak brightness nits, 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 Dell - Alienware AW3225QF wins
- ▲Refresh rate — 45.45% more. 240 Hz vs 165 Hz.
- ▲DCI-P3 coverage — 0.51% more. 99 % vs 98.5 %.
- ▲Panel type: QD-OLED (vs OLED).
Why LG - UltraGear 45GX950A-B wins
- ▲Screen size — 42.41% more. 45 " vs 31.6 ".
- ▲Peak brightness — 30.00% more. 1300 nits vs 1000 nits.
- ▲USB-C Power Delivery: 90 W vs 0 W.
Spec comparison
Panel
| Spec | Dell - Alienware AW3225QF | LG - UltraGear 45GX950A-B |
|---|---|---|
| Screen size | 31.6 " | 45 "lead |
| Panel typeⓘ | QD-OLEDlead | OLED |
| Resolutionⓘ | 4K | 5Klead |
| Aspect ratioⓘ | 16:9 | 21:9 |
| Curvedⓘ | true | true |
Performance
| Spec | Dell - Alienware AW3225QF | LG - UltraGear 45GX950A-B |
|---|---|---|
| Refresh rateⓘ | 240 Hzlead | 165 Hz |
| Response time (GtG)ⓘ | 0.03 ms | 0.03 ms |
| Peak brightnessⓘ | 1000 nits | 1300 nitslead |
| DCI-P3 coverageⓘ | 99 %lead | 98.5 % |
| HDRⓘ | true | true |
| G-Syncⓘ | true | true |
| FreeSyncⓘ | true | true |
Connectivity
| Spec | Dell - Alienware AW3225QF | LG - UltraGear 45GX950A-B |
|---|---|---|
| HDMI ports | 2 | 2 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | false | truelead |
| USB-C Power Deliveryⓘ | 0 W | 90 Wlead |
| KVM | false | truelead |
Frequently asked
Which has higher refresh rate, Alienware AW3225QF or UltraGear 45GX950A-B?+
Alienware AW3225QF refreshes at 240Hz vs 165Hz.
Which has faster response time, Alienware AW3225QF or UltraGear 45GX950A-B?+
UltraGear 45GX950A-B responds in 0.03ms vs 0.03ms.
Does Alienware AW3225QF or UltraGear 45GX950A-B have USB-C with power delivery?+
UltraGear 45GX950A-B offers USB-C with 90W power delivery.