LG CX OLED Vs LG C9 () - ResetEra

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LG CX OLED vs LG C9 (rtings.com)

• Thread starter digitalrelic
• Start date Aug 11, 2020

• Discussion
• Gaming Forum

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digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124 I think this may be useful after the kind of confusing/controversial DF 120fps video.

• Identical aesthetics.
• Identical input ports.
• CX limits HDMI 2.1 bandwidth to 40Gb/s. C9 has full 48Gb/s on all four HDMI 2.1 ports. Not expected to make a noticeable difference.
• Marginally lower peak brightness on CX, but within margin of error / panel variance.
• Both C9 and CX have excellent viewing angles. CX is slightly worse but within margin of error.
• CX has slightly better color accuracy out of the box.
• CX supports 120hz Black Frame Insertion, C9 only supports 60hz Black Frame Insertion.
• For Variable Refresh Rate, CX Supports Freesync Premium, HDMI 2.1 VRR, and G-SYNC. C9 only supports HDMI 2.1 VRR and G-SYNC.
• CX Supports 4K/120hz VRR with HDMI 2.0. C9 Supports 4K/60hz VRR with HDMI 2.0.
• They expect both CX and C9 to support 4K/120hz VRR with HDMI 2.1 on next-gen consoles.
• Marginally lower input lag on C9 (13.4 ms) vs CX (14.0 ms).
• Overall, the differences are very minor. Go with whichever model is cheaper.

Last edited: Aug 11, 2020

Deleted member 8257

Oct 26, 2017 24,586 C9 it is.

AngelOFDeath

Member Nov 13, 2017 2,696 C9 also has DTS decoding, while it has been removed from the CX model. Might not be a deal breaker for some, but considering the other comparisons, if you can get the C9 for cheaper, you might as well go for it since it has at least this extra feature.

Yerffej

Prophet of Regret

Member Oct 25, 2017 31,285 Glad I didn't spend the extra money a few months ago.

asd202

Enlightened

Member Oct 27, 2017 11,621 C9 is too good.

Astraea

Member Oct 25, 2017 1,083 Canada Very happy with my C9 bought during Black Friday. Still haven't seen it that cheap in Canada since!

BananasWithGuns

Member Oct 27, 2017 6,754 Las Vegas Bought my C9 last year, some of the best money I've ever spent.

Blanquito

The Fallen Oct 28, 2017 1,352 the bandwidth difference hypothetically will help with content that has a 12 (or was it 10??) bit HDR metadata right? Or something like that? In other words, if I buy a new tv only once every 6 years, it's more "future proof"?

Gouty

Member Oct 25, 2017 1,823 Nice post op. Glad to see the C9 disinformation end.

Jarmel

The Jackrabbit Always Wins

Member Oct 25, 2017 23,608 New York My understanding is that the CX is better if you're going for 4k 120 HZ because of the BFI or especially if you have an AMD GPU because the C9 lacks Freesync (although you can hack it to get access). C9 though is pretty much out of stock everywhere.

jj70

Member Oct 27, 2017 291 I got an E9 - I think it's similar to C9 apart the aestethic, I'm right? OP OP

digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124

Blanquito said: the bandwidth difference hypothetically will help with content that has a 12 (or was it 10??) bit HDR metadata right? Or something like that? In other words, if I buy a new tv only once every 6 years, it's more "future proof"? Click to expand... Click to shrink...

Theoretically, but these sets (and pretty much all sets) have 10-bit panels. So 12-bit support doesn't really matter. That's my understanding, anyway.

SolidSnakeUS

Member Oct 25, 2017 13,454 I wonder how the upcoming Vizio OLEDs match up to these. Curious, can the C9 be firmware upgraded to have 120Hz black frame insertion or is that not possible?

Phokal

Member Oct 25, 2017 555 WI Hey thanks for this. I also hot that df comment and didn't know what to make of it. Hopefully this is true for hdmi 2.1 w 4k/120 vrr.

TitanicFall

Member Nov 12, 2017 9,746 C9 has DTS passthrough. CX doesn't. OP OP

digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124

jj70 said: I got an E9 - I think it's similar to C9 apart the aestethic, I'm right? Click to expand... Click to shrink...

They're identical from a PQ standpoint. E9 has different aesthetics and better sound quality.

Windrunner

Sly

Member Oct 25, 2017 8,731

digitalrelic said: CX supports 120hz Black Frame Insertion, C9 only supports 60hz Black Frame Insertion. Click to expand... Click to shrink...

this is reason alone to get the CX over the C9.

SolidSnakeUS

Member Oct 25, 2017 13,454

Windrunner said: this is reason alone to get the CX over the C9. Click to expand... Click to shrink...

Honestly, it's the thing that stood out the most. That seems like a massive gap and would probably be very noticeable.

metsallica

One Winged Slayer

Member Oct 27, 2017 14,937

digitalrelic said: I think this may be useful after the kind of confusing/controversial DF 120fps video.

• Identical aesthetics.
• Identical input ports.
• CX limits HDMI 2.1 bandwidth to 40Gb/s. C9 has full 48Gb/s on all four HDMI 2.1 ports. Not expected to make a noticeable difference.
• Marginally lower peak brightness on CX, but within margin of error / panel variance.
• Both C9 and CX have excellent viewing angles. CX is slightly worse but within margin of error.
• CX has slightly better color accuracy out of the box.
• CX supports 120hz Black Frame Insertion, C9 only supports 60hz Black Frame Insertion.
• For Variable Refresh Rate, CX Supports Freesync, HDMI 2.1 VRR, and G-SYNC. C9 only supports HDMI 2.1 VRR and G-SYNC.
• CX Supports 4K/120hz VRR with HDMI 2.0. C9 Supports 4K/60hz VRR with HDMI 2.0.
• They expect both CX and C9 to support 4K/120hz VRR with HDMI 2.1 on next-gen consoles.
• Marginally lower input lag on C9 (13.4 ms) vs CX (14.0 ms).
• Overall, the differences are very minor. Go with whichever model is cheaper.

Click to expand... Click to shrink...

I watched the DF video and missed the controversy. Did DF get something wrong in that video?

xem

Member Oct 31, 2017 2,043 would burn in be better or worse on one or the other? OP OP

digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124

Windrunner said: this is reason alone to get the CX over the C9. Click to expand... Click to shrink...

Is it though? My understanding is it dims the brightness by 50% when enabled, so you're left with quite a dim image. Who is using this feature? Isn't it most attractive for retro games?

BeI

Member Dec 9, 2017 7,188

Windrunner said: this is reason alone to get the CX over the C9. Click to expand... Click to shrink...

Was gonna ask about that. When is black frame insertion good?

A. D. Skinner

Banned Nov 13, 2017 653 What about other things. Does the C9 have film maker mode?

xem

Member Oct 31, 2017 2,043 is c9 avail in 48inch?

faint

Member Oct 27, 2017 1,701 Minor edit I would suggest making: the CX supports FreeSync Premium, so you get LFC and stuff, which standard FreeSync does not include.

Thiago

One Winged Slayer

Banned Oct 27, 2017 5,671 I've been using a C9 for the past 13 months. Amazing TV. OP OP

digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124

metsallica said: I watched the DF video and missed the controversy. Did DF get something wrong in that video? Click to expand... Click to shrink...

Richard stated that the CX's VRR range at 4K was 40-120hz, and the C9 only had a VRR range at 4K of 40-60hz. General consensus is that he was mistaken, and that that won't be a limitation with HDMI 2.1 on next-gen consoles. Richard / DF haven't commented on it yet as far as I know.

t26

Avenger Oct 27, 2017 5,741 Good luck finding a C9. They been sold out around here for months

Wariobenotware

Alt Account

Banned Apr 2, 2020 1,869

BeImonkey said: Was gonna ask about that. When is black frame insertion good? Click to expand... Click to shrink...

Good for all games that are running in SDR. Helps motion handling immensely.

Eggiem

Member Oct 27, 2017 9,308 "Marginally lower peak brightness on CX, but within margin of error / panel variance." And I thought we would see increased peak brightness this year. Still sticking with my B7.

Windrunner

Sly

Member Oct 25, 2017 8,731

digitalrelic said: Is it though? My understanding is it dims the brightness by 50% when enabled, so you're left with quite a dim image. Who is using this feature? Isn't it most attractive for retro games? Click to expand... Click to shrink...

yeah would definitely use those features with my Ossc.

Yerffej

Prophet of Regret

Member Oct 25, 2017 31,285

xem said: is c9 avail in 48inch? Click to expand... Click to shrink...

No. CX is the first in the line to have that size available, I think.

Jarmel

The Jackrabbit Always Wins

Member Oct 25, 2017 23,608 New York

t26 said: Good luck finding a C9. They been sold out around here for months Click to expand... Click to shrink...

Yea at this point you're pretty much stuck with a CX. I imagine that was intentional on LG's part.

Chris_Rivera

Banned Oct 30, 2017 292 Definitely going with the 48" for combo PC/console

Euler007

Member Jan 10, 2018 5,155 Ok. Still not dropping bills before they're tested with HDMI 2.1 sources.

Caspar

Member Oct 29, 2017 1,504 UK

xem said: would burn in be better or worse on one or the other? Click to expand... Click to shrink...

I'd imagine identical. Also burn-in isn't really a concern with modern TV's.

metsallica

One Winged Slayer

Member Oct 27, 2017 14,937

digitalrelic said: Richard stated that the CX's VRR range at 4K was 40-120hz, and the C9 only had a VRR range at 4K of 40-60hz. General consensus is that he was mistaken, and that that won't be a limitation with HDMI 2.1 on next-gen consoles. Richard / DF haven't commented on it yet as far as I know. Click to expand... Click to shrink...

Got ya. Thanks! So possibly wrong / a misunderstanding, informed speculation, or something that can be addressed via firmware is kind of how I'm reading that. OP OP

digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124

A. D. Skinner said: What about other things. Does the C9 have film maker mode? Click to expand... Click to shrink...

No, but all film maker mode does is sets up an input to disable all unnecessary processing. You can do the same on the C9 by toggling off the settings yourself.

BobLoblaw

This Guy Helps

Member Oct 27, 2017 9,141 C9 over here. No regrets.

BRSxIgnition

Community Resettler

Member Oct 25, 2017 1,596 I got a B9 and have yet to regret it - I'd assume all the above for the C9 applies to the B9, minus some processing power?

Azaan60

Banned Mar 18, 2020 2,539 I bought my 55' LG C9 at the beginning of this year. What an absolutely phenomenal tv. I regret not going for the bigger 65 inch model. Anyone on the fence. Buy it. This tv is fucking amazing.

Vitamin_B_Complex

Member Jan 21, 2019 3,274 Imagine the motion clarity of BFI at 240+hz. It cool that OLED does not lose brightness when engaged. This is what annoys me on my LCD.

reKon

Member Oct 25, 2017 15,448 There's barely any C9's left in the US. Just move on and wait for sales on CX's come November.

Ferrs

Avenger Oct 26, 2017 19,222

BRSxIgnition said: I got a B9 and have yet to regret it - I'd assume all the above for the C9 applies to the B9, minus some processing power? Click to expand... Click to shrink...

B models have slighly less peak brightness and slighly worse color gradiation. At the end though, if you put a C9 and a B9 side by side probably no one would notice a difference.

Eggiem said: "Marginally lower peak brightness on CX, but within margin of error / panel variance." And I thought we would see increased peak brightness this year. Still sticking with my B7. Click to expand... Click to shrink...

Doubt we will see any major change in peak brightness until self emissive OLED. OP OP

digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124

BRSxIgnition said: I got a B9 and have yet to regret it - I'd assume all the above for the C9 applies to the B9, minus some processing power? Click to expand... Click to shrink...

B9 is a bit dimmer, and because of a bit less processing power doesn't handle gradients or near-black scenes quite as well. But honestly 90% of consumers wouldn't be able to tell the difference between the B9 and C9/CX.

Roven

Member Nov 2, 2017 1,194 Don't care about BFI and setting up freesync takes 20min, so zero regrets for getting a C9 a few weeks ago

noomi

Uncle Works at Nintendo

Member Oct 25, 2017 4,170 New Jersey Extremely happy with my CX, upgraded from a Samsung KS8000.

reKon

Member Oct 25, 2017 15,448 Anyone here move from a TCL 6 series (2018) straight to a C9/CX? My died KS8000 died in 2018 so I bought a 55 inch TCL 6 series on sale, but it turned out to be very impressive for me... the lack of substantial blooming like my KS8000 had and slightly better PQ were the stand out items. I was planning on transitioning on to a 65 inch CX. OP OP

digitalrelic

Weight Loss Champion 2018: Biggest Change

Banned Oct 25, 2017 13,124

Vitamin_B_Complex said: Imagine the motion clarity of BFI at 240+hz. It cool that OLED does not lose brightness when engaged. This is what annoys me on my LCD. Click to expand... Click to shrink...

I believe OLED still loses brightness.

BeI

Member Dec 9, 2017 7,188

Wariobenotware said: Good for all games that are running in SDR. Helps motion handling immensely. Click to expand... Click to shrink...

So good for PC and its general lack of HDR games then?

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