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LG

LG UltraGear GX8 OLED 32GX870B-B

A solid mid-range 4k monitor for anyone building a living-room setup, leading with 32 in.

In stock32 in240 HzOLED0.03 msDisplayHDR True Black 5002.1
LG UltraGear GX8 OLED 32GX870B-B
32 in240 HzOLED0.03 msDisplayHDR True Black 5002.1
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Our verdict

A usable 4k monitor for the essentials: it ranks comfortably above the 4k monitors average of 53. It makes a few trade-offs, so skim the watch-outs before you decide.

64/100
vs other 4k monitors
Scored 64/100 against other 4k monitors, where the class average is 53.
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What we think

Swipe or tap to explore what we like, what to watch for, and who it's for

Performance breakdown

Scored relative to the class, not against flagship models

vs other 4k monitors
64/100
Best in class scored 70
Class average 53
Lowest in class 16
Display68 / 100
Mid-pack display for the class.
Gaming features86 / 100
Strong gaming features for the class.
Overall spec score64 / 100
Our composite rating for this 4k monitor.

Who this is right for

Picture yourself in these scenarios. How well does this fit?

Home cinema viewer
Wants the best picture for films and gaming nights.
Good fit
Everyday watcher
Mixed TV, streaming and the odd console session.
Good fit
Budget upgrader
Replacing an older set without overspending.
Excellent fit

What every spec actually means

Numbers translated into real-world impact

Refresh rate240 Hz

And more is better here, so a higher figure is the stronger pick

Panel typeOLED

One of the specs that sets the better 4k monitors apart

Response time0.03 ms

And less is better here, so a lower figure is the stronger pick

HDR certificationDisplayHDR True Black 500

One of the specs that sets the better 4k monitors apart

FreeSyncYes

A genuinely useful feature if your setup calls for it

Peak brightness1500 nits

And more is better here, so a higher figure is the stronger pick

Size32 in

And more is better here, so a higher figure is the stronger pick

HDMI version2.1

The HDMI generation, which sets the maximum resolution and refresh

Complete specifications

Verified across manufacturer datasheets and retailer spec tables

All specs
freesync
true
·
peak nits
1500
class avg 906 nits
size inch
32
class avg 31 in
panel type
OLED
·
refresh hz
240
class avg 179 Hz
response ms
0.03
class avg 1 ms
hdmi version
2.1
·
adaptive sync
true
·
hdr certified
DisplayHDR True Black 500
·
pixel density ppi
140
class avg 156 ppi

Common questions

The things people ask before buying this product

Is the LG UltraGear GX8 OLED 32GX870B-B worth it?

It depends on what you need. It scores 64/100 against other 4k monitors, a solid mid-range result where the class average is around 53.

What stands out on the LG UltraGear GX8 OLED 32GX870B-B?

Its freesync stands out, a genuinely useful feature if your setup calls for it.

How does it compare to the ASUS ROG Strix OLED XG32UCWG?

The ASUS ROG Strix OLED XG32UCWG scores 65/100 versus this one at 64/100, so it is the step up on the spec sheet.

Compare Electronic editors
Independent 4k monitors comparison since 2025
Every product is scored against its own product class, not against flagship models. Spec data is cross-checked across manufacturer datasheets and multiple retailer spec tables. Prices are verified daily. We never rank by affiliate commission.
Read our methodology