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LG 34WR55QK-B vs 34U60ZB-B: USB-C or a Higher Listed Refresh Rate?

Choose the 34WR55QK-B when its explicitly listed USB-C with up to 65W Power Delivery and PBP fit your setup. Consider the 34U60ZB-B when its higher listed 120Hz maximum matters more, after checking your host and input path. LG’s U.S. product page does not establish the 34U60ZB-B’s full port inventory, so do not assume it lacks USB-C.

Published by Pickoryx · Published 2026-10-16

Source checked 2026-10-16 19:05 UTC

Products compared

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The buying question

Should you prioritize a documented USB-C and 65W Power Delivery workflow, or a higher manufacturer-listed maximum refresh rate?

The 34WR55QK-B documents USB-C with up to 65W Power Delivery and PBP, while LG lists 100Hz maximum; the 34U60ZB-B listing shows DisplayPort/HDMI and 120Hz maximum, with its complete U.S. port list and input-specific timing still to confirm.

Quick verdict

Choose LG 34WR55QK-B.AUS if

  • You need the 34WR55QK-B's listed USB Type-C with up to 65W Power Delivery or its listed PBP feature, after confirming the required host and cable compatibility.
View LG 34WR55QK-B.AUS on AmazonPaid link

Choose LG 34U60ZB-B.AUSQ if

  • You are targeting a listed 120Hz maximum rather than 100Hz and have confirmed your graphics hardware and input path support the desired mode.
View LG 34U60ZB-B.AUSQ on AmazonPaid link
When to skip: You need guaranteed 120Hz over a specific port but have not checked the host, cable, and exact input timing.
When the recommendation changes
  • If the exact U.S. 34U60ZB-B manual confirms USB-C video or charging, the connection comparison changes; if the host cannot drive the listed refresh mode, the 120Hz listing alone should not determine the choice.

The differences that matter

Laptop Connection And Peripheral Workflow

LG 34WR55QK-B.AUS

LG lists USB Type-C with up to 65W Power Delivery and Picture by Picture (PBP).[1]

LG 34U60ZB-B.AUSQ

LG lists DisplayPort and HDMI. Check the exact U.S. model manual for its complete port inventory and any USB-C functions.[2]

What this changes: If USB Type-C with up to 65W Power Delivery or PBP is required, LG lists those features for the 34WR55QK-B. Confirm video transport, cable and laptop power requirements in the exact model instructions before relying on a one-cable setup. Check the 34U60ZB-B manual for its complete port inventory; do not assume USB-C is absent.[1, 2]

The better fit depends on your priorities

Published Refresh Ceiling Fit

LG 34WR55QK-B.AUS

LG lists a maximum refresh rate of 100Hz for the 34WR55QK-B.[1]

LG 34U60ZB-B.AUSQ

LG lists a maximum refresh rate of 120Hz for the 34U60ZB-B; LG notes actual refresh may vary with computer graphics specifications and configurations.[2]

What this changes: The listed ceilings help screen for a refresh-rate target, but do not establish that a particular laptop, GPU, cable, or input can deliver that mode. Check the exact host and input timing before purchase; these specifications do not prove a real-world motion or gaming-performance advantage.[1, 2]

The better fit depends on your priorities

Best for your routine

A laptop setup that needs the listed USB-C/65W-PD and PBP feature set

Best fit: LG 34WR55QK-B.AUS

Based on listed features, not comparative testing.

LG explicitly lists USB-C with up to 65W Power Delivery and PBP for the 34WR55QK-B. The 34U60ZB-B U.S. product page does not establish whether its full port inventory includes comparable USB-C functionality, so verify it before treating these models as opposites on this point.

View LG 34WR55QK-B.AUS on AmazonPaid link

A system where the buyer's target is a manufacturer-listed maximum of 120Hz

Best fit: LG 34U60ZB-B.AUSQ

Based on listed features, not comparative testing.

LG lists 120Hz for the 34U60ZB-B and 100Hz for the 34WR55QK-B. This is a specification-fit recommendation only; the host, cable, input timing, and actual displayed mode must be checked.

View LG 34U60ZB-B.AUSQ on AmazonPaid link

Value and trade-offs

One or both observed offers have eligibility conditions, so no unrestricted price difference is shown.

A price premium could matter only if the exact current offers are assessed alongside the buyer's required connection or refresh features; no offer comparison is made here.

Current offers and price history were not assessed; no purchase-timing guidance is provided.

Limitations

  • Consult the exact U.S. model instructions for the 34U60ZB-B's complete port inventory and both monitors' per-input refresh limits before relying on a particular connection or refresh mode.
  • LG lists actual refresh rate as dependent on computer graphics specifications/configuration for the 34U60ZB-B. The listed 120Hz and 100Hz maxima are not a test of motion clarity, input lag, game performance, or image quality.
  • Whether a particular laptop can send display video and accept charging through USB-C, or reach a listed refresh mode, depends on that host's documented capabilities and the selected cable/input.
  • No current-offer or price-history comparison was assessed.
  • No hands-on testing was conducted.

Questions shoppers ask

Will my computer actually show 120Hz on the 34U60ZB-B?

Not automatically. LG lists 120Hz maximum and notes that actual refresh may vary with the computer's graphics specifications and configuration. Confirm the exact monitor input timing and your host's output capability before relying on that rate.

Does the 34WR55QK-B charge a laptop over USB-C?

LG lists USB Type-C with up to 65W Power Delivery. Whether that is suitable for a particular laptop depends on the laptop's USB-C/Power Delivery support and power needs.

Methodology and sources

Compared exact model identities and manufacturer-listed connection features and maximum refresh rates; did not infer missing ports from marketing-page omissions or test real-world performance.

AI-assisted source review, claim organization, and draft writing; no product testing was performed.

View 4 sources
  1. 1.34 Inch UltraWide WQHD 1440P HDR 10 100Hz Curved Monitor with USB Type-C - 34WR55QK-BLG USA · Official specifications · Source checked 2026-10-16 19:05 UTC
    Evidence used on this page
    • Key features; display and connection overview: LG's U.S. page identifies the 34WR55QK-B and lists a 34-inch 3440x1440 curved display, 100Hz maximum refresh, USB Type-C with 65W Power Delivery, Picture by Picture, and height/tilt adjustment.
  2. 2.34 Inch UltraWide WQHD 1440P 120Hz 1800R Curved Monitor - 34U60ZB-BLG USA · Official specifications · Source checked 2026-10-16 19:05 UTC
    Evidence used on this page
    • Product title and Key features; refresh-rate footnote: LG's U.S. page identifies the 34U60ZB-B and lists a 34-inch 21:9 WQHD curved display, 120Hz maximum, and DisplayPort/HDMI versatility. A footnote says actual refresh may vary with computer graphics specifications and configurations; the page does not give the full U.S. port inventory or per-input refresh table.
  3. 3.34WR55QK-B.AUS Product Support: Manuals, Warranty & MoreLG USA Support · Official support · Source checked 2026-10-16 19:05 UTC
    Evidence used on this page
    • Product identifier and Download Manuals: LG's U.S. support page identifies 34WR55QK-B.AUS and lists an English Owner's Manual and Quick Guide. This source establishes the support model identity, not the manual's detailed port or timing specifications.
  4. 4.34U60ZB-B.AUSQ Product Support: Manuals, Warranty & MoreLG USA Support · Official support · Source checked 2026-10-16 19:05 UTC
    Evidence used on this page
    • Product identifier and Download Manuals: LG's U.S. support page identifies 34U60ZB-B.AUSQ and lists an English Owner's Manual and Quick Guide. This source establishes the support model identity, not the manual's detailed port or timing specifications.

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