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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
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.