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HP Z27k G3 — 27″ · 4K IPS · 60Hz
HP

HP Z27k G3

27″ · 4K IPS · 60Hz

82
/ 100
From $999
VS
Gigabyte MO34WQC2 wins by 8
Gigabyte MO34WQC2 — 34″ ultrawide QD-OLED · 175Hz · DP 1.4
Gigabyte

Gigabyte MO34WQC2

34″ ultrawide QD-OLED · 175Hz · DP 1.4

90
/ 100
From $749
Specdex verdict

Gigabyte MO34WQC2 takes it — here’s why.

In our weighted Specdex score, HP Z27k G3 lands at 82 and Gigabyte MO34WQC2 at 90. That puts Gigabyte MO34WQC2 ahead by 8 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 Gigabyte MO34WQC2 if…

  • ✓34″ QD-OLED ultrawide at $749
  • ✓Dual-mode 1080p @ 350Hz
  • ✓Glossy panel reduces grayish tint
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Winner by scenario

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

Picture quality

Gigabyte MO34WQC2

Color accuracy and HDR performance

Gigabyte MO34WQC2 leads on hdr (88 vs 62).

Value for money

Gigabyte MO34WQC2

Specdex score per dollar at MSRP

Gigabyte MO34WQC2 more score per dollar ($749 vs $999).

HP Z27k G3 82
vs
90 Gigabyte MO34WQC2

Score breakdown

HP Z27k G3
82
color 82
motion 72
hdr 62
features 80
display 0
gaming 0
ergonomics 0
value 0
Gigabyte MO34WQC2
90
color 0
motion 92
hdr 88
features 0
display 95
gaming 95
ergonomics 84
value 92

Specs side-by-side

HP Z27k G3 versus Gigabyte MO34WQC2 — full spec comparison
Spec HP Z27k G3 Gigabyte MO34WQC2
Panel
4K IPS
—
Size
27"
—
Refresh
60Hz
—
Release year
2021
—
Display
—
34″ QD-OLED, 1800R curve
Resolution
—
3440×1440
Refresh rate
—
175 Hz native (350 Hz at 1080p dual mode)
Response time
—
0.03 ms (GtG)
HDR
—
DisplayHDR True Black 400
Connectivity
—
2× HDMI 2.1, DisplayPort 1.4 DSC, USB-C 18W

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

Gigabyte MO34WQC2

Pros
  • +34″ QD-OLED ultrawide at $749
  • +Dual-mode 1080p @ 350Hz
  • +Glossy panel reduces grayish tint
Cons
  • −No DisplayPort 2.1
  • −1800R curve not for everyone
  • −OSD joystick fiddly

FAQ: HP Z27k G3 vs Gigabyte MO34WQC2

Which is better, HP Z27k G3 or Gigabyte MO34WQC2? +

Gigabyte MO34WQC2 scores 90 on our weighted rubric — ahead by 8. 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 Gigabyte MO34WQC2 worth the price? +

At $749, Gigabyte MO34WQC2 delivers a Specdex score of 90 — strongest in display.

Does HP Z27k G3 or Gigabyte MO34WQC2 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 Gigabyte MO34WQC2? +

Gigabyte MO34WQC2 — leads on hdr (88 vs 62). Color accuracy and HDR performance.

Which is the better value, HP Z27k G3 or Gigabyte MO34WQC2? +

Gigabyte MO34WQC2 — more score per dollar ($749 vs $999). Specdex score per dollar at MSRP.