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HP Z27k G3 — 27″ · 4K IPS · 60Hz
HP

HP Z27k G3

27″ · 4K IPS · 60Hz

82
/ 100
From $999
VS
ASUS ROG Swift OLED PG34WCDM wins by 12
ASUS ROG Swift OLED PG34WCDM — 34″ · 3440x1440 OLED · 240Hz
ASUS

ASUS ROG Swift OLED PG34WCDM

34″ · 3440x1440 OLED · 240Hz

94
/ 100
From $1,299
Specdex verdict

ASUS ROG Swift OLED PG34WCDM takes it — here’s why.

In our weighted Specdex score, HP Z27k G3 lands at 82 and ASUS ROG Swift OLED PG34WCDM at 94. That puts ASUS ROG Swift OLED PG34WCDM ahead by 12 points — a decisive margin driven mostly by its strengths in the categories below.

Pick HP Z27k G3 if…

  • ✓Current panel tech
  • ✓Strong factory calibration
  • ✓Modern connectivity

Pick ASUS ROG Swift OLED PG34WCDM 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

ASUS ROG Swift OLED PG34WCDM

Color accuracy and HDR performance

ASUS ROG Swift OLED PG34WCDM leads on hdr (92 vs 62).

Value for money

HP Z27k G3

Specdex score per dollar at MSRP

HP Z27k G3 more score per dollar ($999 vs $1,299).

HP Z27k G3 82
vs
94 ASUS ROG Swift OLED PG34WCDM

Score breakdown

HP Z27k G3
82
color 82
motion 72
hdr 62
features 80
ASUS ROG Swift OLED PG34WCDM
94
color 94
motion 96
hdr 92
features 92

Specs side-by-side

HP Z27k G3 versus ASUS ROG Swift OLED PG34WCDM — full spec comparison
Spec HP Z27k G3 ASUS ROG Swift OLED PG34WCDM
Panel
4K IPS
3440x1440 OLED
Size
27"
34"
Refresh
60Hz
▲ 240Hz
Release year
2021
2024

HP Z27k G3

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

ASUS ROG Swift OLED PG34WCDM

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: HP Z27k G3 vs ASUS ROG Swift OLED PG34WCDM

Which is better, HP Z27k G3 or ASUS ROG Swift OLED PG34WCDM? +

ASUS ROG Swift OLED PG34WCDM scores 94 on our weighted rubric — ahead by 12. Your best pick depends on the sub-scores above.

Is HP Z27k G3 worth the price? +

At $999, HP Z27k G3 delivers a Specdex score of 82 — strongest in color.

Is ASUS ROG Swift OLED PG34WCDM worth the price? +

At $1,299, ASUS ROG Swift OLED PG34WCDM delivers a Specdex score of 94 — strongest in motion.

Does HP Z27k G3 or ASUS ROG Swift OLED PG34WCDM 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 better for picture quality, HP Z27k G3 or ASUS ROG Swift OLED PG34WCDM? +

ASUS ROG Swift OLED PG34WCDM — leads on hdr (92 vs 62). Color accuracy and HDR performance.

Which is the better value, HP Z27k G3 or ASUS ROG Swift OLED PG34WCDM? +

HP Z27k G3 — more score per dollar ($999 vs $1,299). Specdex score per dollar at MSRP.