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PS5 and Xbox Series X Gaming TVs: LG C9 vs. LG CX

Two of the best gaming television sets you can get for the PlayStation 5 and Xbox Series X are the LC C9 and LG CX. So which one of these is the better fit for the two next-generation consoles as well as other gaming systems? You can find out in this comparison guide.

Quick Summary

If you are looking for the best television for the PS5 and Xbox Series X, then the LG C9 Series Smart OLED TV has the edge when it comes to HDR as it is able to reach a higher peak brightness level in a vast majority of scenarios when compared to the LG CX Series Smart OLED TV.

The C9 also has lower input lag at 4K/60Hz (Game Mode Enabled) and 4K/60Hz/10-bit HDR (Game Mode Enabled). With that said, the CX does have the latency edge at 4K with variable refresh rate.

If you are interested, you can purchase either television on Amazon with the following links:

LG G9 vs. LG CX Comparison Chart

 LG C9LG CX
Screen Sizes55" (OLED55C9PUA)

65" (OLED65C9PUA)

77" (OLED77C9PUB)
48" (OLED48CXPUB)

55"(OLED55CXPUA)

65"(OLED65CXPUA)

75" (OLED75CXPUA)
HDMI 2.1 Ports4x4x
Wide Color Gamut Support?YesYes
HDR10 Support?YesYes
HDR10+ Support?NoNo
Dolby Vision Support?YesYes
HDR Real Scene Peak Brightness726 nits685 nits
HDR Peak 2% Window855 nits799 nits
HDR Peak 10% Window845 nits813 nits
HDR Peak 25% Window530 nits456 nits
HDR Peak 50% Window301 nits302 nits
HDR Peak 100% Window145 nits146 nits
HDR Sustained 2% Window814 nits752 nits
HDR Sustained 10% Window802 nits775 nits
HDR Sustained 25% Window506 nits433 nits
HDR Sustained 50% Window286 nits287 nits
HDR Sustained 100% Window138 nits140 nits
HDR ABL0.1090.104
Input lag at 1080p resolution and 60 Hz refresh rate (Game Mode Enabled)13.5 ms14.1 ms
Input lag at 1080p resolution and 60 Hz refresh rate (Game Mode Disabled)100.8 ms97.5 ms
Input lag at 1080p resolution and 120 Hz refresh rate (Game Mode Enabled)6.8 ms7.4 ms
Input lag at 1080p resolution and variable refresh rate6.3 ms6.4 ms
Input lag at 1440p resolution and 60 Hz refresh rate (Game Mode Enabled)13.9 ms14.3 ms
Input lag at 1440p resolution and 120 Hz refresh rate (Game Mode Enabled) 6.6 ms7.4 ms
Input lag at 1440p resolution and variable refresh rate6.7 ms6.7 ms
Input lag at 4K resolution and 60 Hz refresh rate (Game Mode Enabled)13.4 ms14.1 ms
Input lag at 4K resolution and 60 Hz refresh rate (Game Mode Disabled)50.6 ms97.5 ms
Input lag at 4K resolution, 60 Hz refresh rate and 10 bit HDR (Game Mode Enabled)13.4 ms14.1 ms
Input lag at 4K resolution and 60 Hz refresh rate (With Interpolation)96.7 ms93.4 ms
Input lag at 4K resolution and variable refresh rate15.9 ms11.6 ms
Input lag at 4K resolution and 60 Hz at 4:4:413.3 ms14.1 ms
AMD FreeSync Support?NoNo
NVIDIA G-Sync Support?YesYes
Composite Input?Yes via composite breakout adapterYes via composite breakout adapter
Antenna/Cable Tuner?YesYes
PricingCheck price on Amazon.Check price on Amazon.

Screen Sizes

The LG C9 Series Smart OLED TV is available in three sizes:

  • 55″ (OLED55C9PUA)
  • 65″ (OLED65C9PUA)
  • 77″ (OLED77C9PUB)

The LG CX Series Smart OLED TV comes in five sizes:

  • 48″ (OLED48CXPUB)
  • 55″(OLED55CXPUA)
  • 65″(OLED65CXPUA)
  • 75″ (OLED75CXPUA)

HDMI 2.1 Ports

Both the C9 and CX come with four HDMI 2.1 ports. You will need this version of HDMI in order to take advantage of the variable refresh rate (or VRR for short) and 120 Hz features of PS5 and Xbox Series X video games.

Wide Color Gamut

Both television sets support Wide Color Gamut, which is a color space that displays a wider range of colors when compared to TVs that use the sRGB or Adobe RGB color spaces.

HDR10

The LG C9 and CX Series also support the HDR10 format, which provides a color depth of 10 bits, static metadata as well as a maximum brightness of 1,000 nits.

HDR10+

Neither television are compatible with the HDR10+. This format provides a color depth of 10 bits, dynamic metadata along with a maximum brightness of 4,000 nits.

Dolby Vision

Both TVs are compatible with the Dolby Vision format, which provides a color depth of 12 bits, dynamic metadata in addition to a maximum brightness of up to 10,000 nits.

C9 vs. CX HDR Brightness

Overall, the LG C9 can deliver brighter HDR videos when compared to the LG CX, according to tests done by RTINGS.com.

The C9 has higher nits at HDR Real Scene Peak Brightness, HDR Peak 2% Window, HDR Peak 10% Window, HDR Peak 25% Window, HDR Sustained 2% Window, HDR Sustained 10% Window and HDR Sustained 25% Window.

The CX does have a slight advantage at HDR Peak 50% Window, HDR Peak 100% Window, HDR Sustained 50% Window and HDR Sustained 100% Window.

You can take a look the nits for each aforementioned measurement below (via RTINGS’ C9 and CX tests).

HDR Real Scene Peak Brightness

  • LG C9: 726 nits
  • LG CX: 685 nits

HDR Peak 2% Window

  • LG C9: 855 nits
  • LG CX: 799 nits

HDR Peak 10% Window

  • LG C9: 845 nits
  • LG CX: 813 nits

HDR Peak 25% Window

  • LG C9: 530 nits
  • LG CX: 456 nits

HDR Peak 50% Window

  • LG C9: 301 nits
  • LG CX: 302 nits

HDR Peak 100% Window

  • LG C9: 145 nits
  • LG CX: 146 nits

HDR Sustained 2% Window

  • LG C9: 814 nits
  • LG CX: 752 nits

HDR Sustained 10% Window

  • LG C9: 802 nits
  • LG CX: 775 nits

HDR Sustained 25% Window

  • LG C9: 506 nits
  • LG CX: 433 nits

HDR Sustained 50% Window

  • LG C9: 286 nits
  • LG CX: 287 nits

HDR Sustained 100% Window

  • LG C9: 138 nits
  • LG CX: 140 nits

HDR ABL

  • LG C9: 0.109
  • LG CX: 0.104
The LG C9 Series Smart OLED TV on Amazon.

C9 vs. CX Input Lag

In terms of input lag, the C9 and CX are pretty close to each other according to the tests done by RTINGS.

The LG C9 does have lower latency at 1080p/60Hz (Game Mode Enabled), 1080p/120Hz (Game Mode Enabled), 1080p with variable refresh rate, 1440p/60Hz (Game Mode Enabled), 1440p/120Hz (Game Mode Enabled), 4K/60Hz (Game Mode Enabled), 4K/60Hz (Game Mode Disabled), 4K/60Hz/10-bit HDR (Game Mode Enabled) and 4K/60Hz/4:4:4.

The LG CX has lower input lag at 1080p/60Hz (Game Mode Disable), 4K/60Hz/Interpolation and 4K/VRR.

The C9 and CX are tied when it comes to the input lag at 1440p/VRR.

When it comes to the PlayStation 5 and Xbox Series X, the most important settings you should worry about is 4K. In this case, the LG C9 comes out on top with lower latency at 4K/60Hz as well as 4K/60Hz/10-bit HDR. The LC CX does have the advantage at 4K/VRR, however.

With that said, the differences in the latency in most scenarios are extremely small. So, chances are you won’t notice any discrepancy when it comes to input lag.

You can find the full test results for C9 and CX in the aforementioned display settings below (via RTINGS’ C9 and CX tests):

1080p resolution and 60 Hz refresh rate (Game Mode Enabled)

  • LG C9: 13.5 ms
  • LG CX: 14.1 ms

1080p resolution and 60 Hz refresh rate (Game Mode Disabled)

  • LG C9: 100.8 ms
  • LG CX: 97.5 ms

1080p resolution and 120 Hz refresh rate (Game Mode Enabled)

  • LG C9: 6.8 ms
  • LG CX: 7.4 ms

1080p resolution and variable refresh rate

  • LG C9: 6.3 ms
  • LG CX: 6.4 ms

1440p resolution and 60 Hz refresh rate (Game Mode Enabled)

  • LG C9: 13.9 ms
  • LG CX: 14.3 ms

1440p resolution and 120 Hz refresh rate (Game Mode Enabled)

  • LG C9: 6.6 ms
  • LG CX: 7.4 ms

1440p resolution and variable refresh rate

  • LG C9: 6.7 ms
  • LG CX: 6.7 ms

4K resolution and 60 Hz refresh rate (Game Mode Enabled)

  • LG C9: 13.4 ms
  • LG CX: 14.1 ms

4K resolution and 60 Hz refresh rate (Game Mode Disabled)

  • LG C9: 50.6 ms
  • LG CX: 97.5 ms

4K resolution, 60 Hz refresh rate and 10 bit HDR (Game Mode Enabled)

  • LG C9: 13.4 ms
  • LG CX: 14.1 ms

4K resolution and 60 Hz refresh rate (With Interpolation)

  • LG C9: 96.7 ms
  • LG CX: 93.4 ms

4K resolution and variable refresh rate

  • LG C9: 15.9 ms
  • LG CX: 11.6 ms

4K resolution and 60 Hz at 4:4:4

  • LG C9: 13.3 ms
  • LG CX: 14.1 ms
The LG CX Series Smart OLED TV on Amazon.

AMD FreeSync

The LG C9 and LG CX do not support FreeSync, a feature used by compatible AMD graphics card for PC gaming that works in the same way as variable refresh rate.

NVIDIA G-Sync

Both television sets do support G-SYNC, which is a feature similar to variable refresh rate for PC gaming computers equipped with a compatible NVIDIA GPU.

Composite

Both LG television sets come with a composite breakout adapter, which will allow you to connect old videogame systems that use the composite input. These consoles include the PS1, PS2, Nintendo 64, Gamecube and Xbox.

Antenna/Cable Tuner

The C9 and CX also come equipped with an antenna/cable tuner. So you will be able to connect retro systems that uses that particular input. These include the NES, Super NES and Sega Genesis.

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