Acer Predator X45 OLED 45 inch vs HP Z27xs G3 4K DreamColor

Acer Predator X45 OLED 45 inch

Acer Predator X45 OLED 45 inch

★ 4.6 (3,824) $849.99
25/100
View on Amazon
★ Winner
HP Z27xs G3 4K DreamColor

HP Z27xs G3 4K DreamColor

★ 4.8 (3,243) $459.99
75/100
View on Amazon

Quick takeaway

HP Z27xs G3 4K DreamColor leads this matchup 1 to 1 on measured spec rows and by 50 points overall. HP Z27xs G3 4K DreamColor is also about $390.00 cheaper at the latest tracked price.

Choose Acer Predator X45 OLED 45 inch if...

Pick Acer Predator X45 OLED 45 inch if resolution are the reasons you are shopping in this category. It currently costs about $390.00 more, so make sure those wins matter to you.

Choose HP Z27xs G3 4K DreamColor if...

Pick HP Z27xs G3 4K DreamColor if response time are the reasons you are shopping in this category.

Side-by-side specs

This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.

Display

Spec Acer Predator X45 OLED 45 inch HP Z27xs G3 4K DreamColor
Color Gamut 99% DCI-P3 -
Display Size 45-inch -
HDR HDR True Black -
Panel Type OLED IPS
Refresh Rate 60 Hz (office) or 75 Hz 60 Hz (office) or 75 Hz
Resolution 1080p FHD 4K UHD (3840x2160)
Response Time 0.03 ms (GtG) 4-5 ms (GtG)

Connectivity

Spec Acer Predator X45 OLED 45 inch HP Z27xs G3 4K DreamColor
Ports - 2x HDMI 2.1 + DP 1.4 + USB hub

General

Spec Acer Predator X45 OLED 45 inch HP Z27xs G3 4K DreamColor
Brand Acer HP
Category Computer monitor Computer monitor

The verdict

Based on 10 spec comparisons plus user ratings, the HP Z27xs G3 4K DreamColor comes out ahead with a stronger overall score.

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Comparison FAQ

These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.

What is the Acer Predator X45 OLED 45 inch vs HP Z27xs G3 4K DreamColor score measuring?

VSFinder compares 8 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.

When does the lower-scoring option still make sense?

The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.

What should I confirm before I buy?

Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $849.99 for Acer Predator X45 OLED 45 inch and $459.99 for HP Z27xs G3 4K DreamColor.