I was initially waiting for the 48 inch CX model to be primarily used as a PC monitor for programming and gaming but I didn't want to wait any longer.
The PC monitor I was using before the GX was a 43 inch LG 4k 60hz monitor(LG 43ud79b). I thought 55 inch might be too big as a desk PC Monitor So i went my bedroom and took down Samsung 55 inch KS8000 TV from the wall and moved it over to my office desk. Initially, it was overwhelming and felt too big. However, after 3 days, i was getting used to the size and felt more comfortable.
Only issue i had with the setup was it felt too close from where i was sitting since the TV was not mounted to the wall. I looked at the CX specs and it looked as it will not be flush against the wall as bottom portion of the TV in the back is quiet thick and the TV mount will also add more space between the wall and the TV.
Then I looked at the more expensive GX model and whole back of the TV is very thin and it comes with a flush mount which can be used to mount the TV on the wall with 0 gap so it sits flat on the wall.
Long story short I bought the 55 inch GX model at 2299 which is excellent price since it also comes with the actual mount. However, it does not include a TV stand. For my case, it was going to be wall mounted anyway so I did not care for the TV stand. If you can't mount the TV, you will need to buy the stand from LG separately.
I was able to mount the TV in about 20 min using the included screws(4 screws) on 2 studs. Keep in mind that the included mount is only about 16 inches so placement on the wall will be very tricky unless you have those two studs at the perfect location. Cable management system is very well implemented behind the TV and it will route through back of middle of the TV. cables will not bulge your TV out and it will stay flush to the wall. Just add a cable raceway and you are good to go. I turned on the TV and I was impressed over the picture quality especially the black level compared to the IPS LG monitor next to it. I am primarily using it as a PC monitor and do not watch cable TV or bluray/uhd on it. My face is about 3.9 feet away from the TV and it feels very comfortable.
PC Monitor Usage as a Programmer and Gaming 4k 60hz + GSync + HDR (on/off) (using 2080 ti)
1. Great Big screen. All text looks clear. I am using it in PC mode. Need to change label or icon to PC to make it into PC MODE
2. Set the TV to Game Mode
3. In Nvidia Control Panel. I set the color format to 422, 12 bit color depth, and output dynamic range to limited.
4. You can use HDR with above settings at 60hz when using 3840 x 2160
5. Gaming is awsome at 60hz with HDR and GSYNC. I tried Gears Tactics and Shadow of Tomb Raider. Both games look awsome. GSYNC range will be 40 to 60hz.
6. I only turn on HDR for HDR supported games. for desktop it looks awful.
PC gaming at 4k 120hz without HDR + GSYNC
1. for this mode, you will need to select the 4k resolution under PC in nvidia control panel.
2. You will be able to select 100hz and 120hz.
3. You can enable GSYNC however you will not be able to use HDR due to HDMI 2.0 Limitation with current generation of video cards. Once, HDMI 2.1 supported video cards come out, we will be able to use 444 120hz 10bit and HDR at the same time. However, LG CX and GX and all other 2020 oled models will be limited to 40 gbps for HDMI 2.1 and not the 48 gbps so we will not be able to use 444 120hz HDR 12bit. On a side note last years model is capable of using full 48 gbps but currently it cant to 120hz at 4k unlike the CX or GX model over hdmi 2.0.
Overall I am very impressed with this TV and I am glad I went with the GX model over CX as it allows more space between my eyes and the TV since it sits flush against the wall. As for the Size, you get used to it and it feels right. I don't think I will ever go smaller. I think 55 inch is sweet spot for me.
Updates:
I got RTX 3090. Below information also applies to RTX 3070, 3080
Using HDMI 2.1 cable, Now I am able to select 3840 x 2160 Resolution, 10bit and Full RGB, GSYNC on, HDR ON and 120hz.
Initially there were some bugs such as screen blacking out, however, LG has already fixed this issue with a firmware update.
There is one remaining issue, where it can stutter when FPS is between 100 and 120 fps. This has been confirmed By LG and the fix should roll out soon with a firmware update.
For now, you can limit the max FPS in NVIDIA control Panel and limit the fps to 99 FPS to avoid the stutter when fps goes over 100.
I am enjoying this screen even more with the RTX 3090 and playing games on this LG OLED GX is out of the world.
Thanks LG for great support and getting things patched up so quickly.
Updates 2
Stutter issue when FPS is between 100 and 120 fps while using GSync is now fixed with a new firmware. I Just received the OTA update 3.11.30. I can confirm the issue is now resolved.
FYI: Included bolts are fine for mounting the tv on the studs. I have pulled out the TV countless times to upgrade HDMI cables and test different HDMI cables. I used 4 included bolts with the TV. before the TV arrived, I bought stronger bolts from HOME DEPOT but I did not ending up using them because it would not fit the holes.
| Brand Name | LG |
|---|---|
| Item Weight | 49.6 pounds |
| Product Dimensions | 0.91 x 48.23 x 27.8 inches |
| Item model number | OLED55GX |
| Batteries | 2 AAA batteries required. |
| Is Discontinued By Manufacturer | Yes |
| Special Features | Works with NVIDIA G-SYNC; Low Input Lag and Fast Response Time; Quad Step Noise Reduction, α9 Gen 3 AI Processor 4K; ThinQ AI with the Google Assistant and Amazon Alexa Built-In; Dolby Vision IQ and Dolby Atmos |
| Speaker Type | 4.2 Channel |
| Item Weight | 49.6 Pounds |
| Standing screen display size | 55 Inches |
| Voltage | 110 Volts |
