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Head-to-head

LG - C5 OLED 65 vs LG - C4 OLED 65

Last updated · How Mars Score works
C5 OLED 65LGRENDER
Probe A
LG
C5 OLED 65
63.5/ 100C
Display63· 60%
HDR & Smart· 25%
Gaming· 15%
C4 OLED 65LGRENDER
Probe B
LG
C4 OLED 65
61.9/ 100C
Display62· 60%
HDR & Smart· 25%
Gaming· 15%
Quick verdict

Between the C5 OLED 65 and C4 OLED 65, the C5 OLED 65 comes out ahead in peak brightness, while the C4 OLED 65 wins on several specs. Overall, the C5 OLED 65 scores 63.5 and the C4 OLED 65 scores 61.9 on our Mars Score.

Buying advice

Which should you buy?

These two are nearly even on the Mars Score (63.5 vs 61.9). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the C5 OLED 65 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are peak brightness.

The C4 OLED 65 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.

Both ship with comparable screen size, panel type, refresh rate, so those specs don't separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.

Why LG - C5 OLED 65 wins

  • Peak brightness — 30.00% more. 1300 nits vs 1000 nits.

Why LG - C4 OLED 65 wins

  • No decisive advantages.
Full readout

Spec comparison

Display

SpecLG - C5 OLED 65LG - C4 OLED 65
Screen size65 "65 "
Panel typeOLEDOLED
Resolution4K4K
Refresh rate144 Hz144 Hz
Peak brightness1300 nitslead1000 nits

HDR & Smart

SpecLG - C5 OLED 65LG - C4 OLED 65
Dolby Visiontruetrue
HDR10+falsefalse
Smart OSwebOSwebOS
Dolby Atmostruetrue

Gaming

SpecLG - C5 OLED 65LG - C4 OLED 65
HDMI 2.1 ports44
VRRtruetrue
ALLMtruetrue
Reader questions

Frequently asked

Which is brighter, C5 OLED 65 or C4 OLED 65?+

C5 OLED 65 peaks at 1300 nits vs 1000 nits.

Which is better for gaming, C5 OLED 65 or C4 OLED 65?+

C5 OLED 65 offers 144Hz refresh and 4 HDMI 2.1 ports.

Does C5 OLED 65 or C4 OLED 65 support Dolby Vision?+

Both support Dolby Vision.

Drill down

Spec-level deep dives

By manufacturer

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