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Acer Predator X45 — 45″ · QD-OLED ultra-wide
Acer

Acer Predator X45

45″ · QD-OLED ultra-wide

93
/ 100
From $1,999
VS
Acer Predator X45 wins by 3
Alienware AW3423DWF — 34″ · 3440x1440 QD-OLED · 165Hz
Alienware

Alienware AW3423DWF

34″ · 3440x1440 QD-OLED · 165Hz

90
/ 100
From $1,099
Specdex verdict

Acer Predator X45 takes it — here’s why.

In our weighted Specdex score, Acer Predator X45 lands at 93 and Alienware AW3423DWF at 90. That puts Acer Predator X45 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Acer Predator X45 if…

  • ✓Factory-calibrated (creator tier)
  • ✓Modern connectivity
  • ✓Mature firmware

Pick Alienware AW3423DWF if…

  • ✓Current panel tech
  • ✓Strong factory calibration
  • ✓Modern connectivity
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Picture quality

Tie

Color accuracy and HDR performance

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Alienware AW3423DWF

Specdex score per dollar at MSRP

Alienware AW3423DWF more score per dollar ($1,099 vs $1,999).

Acer Predator X45 93
vs
90 Alienware AW3423DWF

Score breakdown

Acer Predator X45
93
color 93
motion 72
hdr 92
features 91
Alienware AW3423DWF
90
color 90
motion 96
hdr 92
features 88

Specs side-by-side

Acer Predator X45 versus Alienware AW3423DWF — full spec comparison
Spec Acer Predator X45 Alienware AW3423DWF
Panel
QD-OLED ultra-wide
3440x1440 QD-OLED
Size
45"
34"
Release year
2023
2023
Refresh
—
165Hz

Acer Predator X45

Pros
  • +Factory-calibrated (creator tier)
  • +Modern connectivity
  • +Mature firmware
Cons
  • −Stand ergonomics vary
  • −HDR on IPS limited
  • −OLED burn-in risk

Alienware AW3423DWF

Pros
  • +Current panel tech
  • +Strong factory calibration
  • +Modern connectivity
Cons
  • −Stand footprint large on bigger sizes
  • −HDR varies by model
  • −OLED burn-in risk

FAQ: Acer Predator X45 vs Alienware AW3423DWF

Which is better, Acer Predator X45 or Alienware AW3423DWF? +

Acer Predator X45 scores 93 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Acer Predator X45 worth the price? +

At $1,999, Acer Predator X45 delivers a Specdex score of 93 — strongest in color.

Is Alienware AW3423DWF worth the price? +

At $1,099, Alienware AW3423DWF delivers a Specdex score of 90 — strongest in motion.

Does Acer Predator X45 or Alienware AW3423DWF last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is the better value, Acer Predator X45 or Alienware AW3423DWF? +

Alienware AW3423DWF — more score per dollar ($1,099 vs $1,999). Specdex score per dollar at MSRP.