LG C9 vs LG CX TV comparison 2021/04

With the LG OLED CX released in 2020, the C9 has got a worthy successor. The two OLEDs are incredibly similar, which is already reflected in their design – because when switched off, the two OLEDs are almost indistinguishable.

We’ll find out if there really has been a change in performance or features between the 2020 CX and the 2019 C9 – or if it’s the same TV in a new box.

LG OLED C9
LG CX OLED
vs
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LG C9 and LG CX compared – Which TV is better?

Reflections
Image quality in bright environments and dealing with reflections
77%
LG OLED C9 55"
76%
LG CX OLED 55"
Viewing Angle
Picture quality when sitting at an angle to the TV - Also relevant when sitting very close in front of a large TV.
90%
LG OLED C9 55"
90%
LG CX OLED 55"
SDR Image Quality
Picture quality when viewing material in SDR, i.e. anything that is not HDR.
87%
LG OLED C9 55"
95%
LG CX OLED 55"
HDR Image Quality
Picture quality when viewing material in HDR, so everything from HDR, HDR10, HLG to HDR10+ & Dolby Vision.
97%
LG OLED C9 55"
93%
LG CX OLED 55"
Movies & Series
Use of the TV for movies, series & documentaries - be it as stream, BluRay or in the TV program.
81%
LG OLED C9 55"
82%
LG CX OLED 55"
Gaming
Gaming performance of the TV especially for responsive games with focus on PS5 and Xbox Series X
92%
LG OLED C9 55"
95%
LG CX OLED 55"
Sports
Suitability for watching soccer, Formula 1, Olympics and more, even with several persons
41%
LG OLED C9 55"
82%
LG CX OLED 55"
Equipment
Smart TV features, connections and general equipment of the TV
78%
LG OLED C9 55"
86%
LG CX OLED 55"
LG OLED C9 55"
LG CX OLED 55"
Rating v2.0 Alpha

LG OLED C9 2019

OLED Panel
OLED Panel
It is no secret that the LG C9 is one of the best TVs of 2019. The OLED panel provides perfect blacks, a theoretically infinite contrast ratio and a very wide viewing angle. The C9 gets a touch brighter than the CX and also the viewing angle is a slightly wider - but these two advantages will probably be very difficult or impossible to see in normal use. Both OLEDs are equipped with a HDMI 2.1 interface, but the CX has a lower bandwidth of 40 GBit/s instead of the 48 GBit/s that its predecessor has. This does not make any difference as no TV can use the whole bandwidth anyway. The LG C9 is available in 55, 65 and 77 inch.
55" (138,8cm)
OLED55C9PUA
65" (163,9cm)
OLED65C9PUA
77" (195,6cm)
OLED77C9PUB

LG CX OLED 2020

OLED Panel
OLED Panel
The LG CX does not differ from its predecessor in terms of picture quality. Due to the OLED construction it has an equally excellent picture and there is no real difference. However, the CX has the Black Frame Insertion feature at 120Hz. This allows a reduction of the already very slight motion blur even at a refresh rate of 120Hz. The CX's built-in speakers are slightly better and the sound is a little rounder - but there's no DTS anymore. But besides the new Alpha 9 Gen 3 image processor, which is now also supposed to optimize the sound. The CX also supports Dolby Vision IQ, which allows the brightness of HDR content to be automatically adjusted to the ambient brightness. In addition to 55, 65 and 77 inches, the CX is also available in a 48 inch version.
48" (120,9cm)
OLED48CXPUB
55" (138,8cm)
OLED55CXPUA
65" (164cm)
OLED65CXPUA
77" (195cm)
OLED77CXPUA

Detailed comparison: LG C9 or LG CX

LG OLED C9 55" Check Deal
LG CX OLED 55" Check Deal
Reflections Comparison
LG C9 vs LG CX
77%
Reflections
Reflections visible
No layer against reflections
Contrast
infinite :1
Ø Brightness
720 Nits
Video technologies
76%
Reflections
Reflections visible
No layer against reflections
Contrast
infinite :1
Ø Brightness
690 Nits
Video technologies
Viewing Angle Comparison
LG C9 vs LG CX
90%
Panel type
OLED Panel
OLED Panel
Viewing Angle
Normal
Wide Viewing Angle Layer not available
Reflections
Reflections visible
Reflections visible
90%
Panel type
OLED Panel
OLED Panel
Viewing Angle
Normal
Wide Viewing Angle Layer not available
Reflections
Reflections visible
Reflections visible
SDR image Comparison
LG C9 vs LG CX
87%
Panel type
OLED Panel
OLED Panel
Contrast
infinite :1
Ø Brightness
720 Nits
DCI-P3
84.6%
95%
Panel type
OLED Panel
OLED Panel
Contrast
infinite :1
Ø Brightness
690 Nits
DCI-P3
81%
HDR image Comparison
LG C9 vs LG CX
97%
Panel type
OLED Panel
OLED Panel
Contrast
infinite :1
Ø Brightness
720 Nits
Max. Brightness
860 Nits
DCI-P3
84.6%
REC 2020
61.7%
Video technologies
93%
Panel type
OLED Panel
OLED Panel
Contrast
infinite :1
Ø Brightness
690 Nits
Max. Brightness
820 Nits
DCI-P3
81%
REC 2020
61%
Video technologies
Movies & Series Comparison
LG C9 vs LG CX
81%
HDR Image Quality
SDR Image Quality
Environment & Reflections
Tuner
Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2
Twin Tuner
Audio
2.2 Channels with 40 Watt
Surround Sound Formats
HDMI eARC
HDMI ARC
82%
HDR Image Quality
SDR Image Quality
Environment & Reflections
Tuner
Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2
Twin Tuner
Audio
2.2 Channels with 40 Watt
Surround Sound Formats
HDMI eARC
HDMI ARC
Gaming performance Comparison
LG C9 vs LG CX
92%
Frequency
120Hz
Response Time
ca. 0.2ms
HDMI 2.1
4x Connections
Variable Refresh Rate
Input Lag [email protected] +HDR
ca. 13ms
95%
Frequency
120Hz
Response Time
ca. 0.3ms
HDMI 2.1
4x Connections
Variable Refresh Rate
Input Lag [email protected] +HDR
ca. 14ms
Sports performance Comparison
LG C9 vs LG CX
41%
Frequency
120Hz
Response Time
ca. 0.2ms
82%
Frequency
120Hz
Response Time
ca. 0.3ms
Equipment Comparison
LG C9 vs LG CX
78%
Operating System
webOS 4.5
Bluetooth
Twin Tuner
Integrated soundbar
Audio
2.2 Channels with 40 Watt
HDMI eARC
HDMI ARC
Surround Sound Formats
USB recording PVR
Timeshift
Apple Airplay
Apple Homekit
Assistants
Ambilight
86%
Operating System
webOS 5.0
Bluetooth
Twin Tuner
Integrated soundbar
Audio
2.2 Channels with 40 Watt
HDMI eARC
HDMI ARC
Surround Sound Formats
USB recording PVR
Timeshift
Apple Airplay
Apple Homekit
Assistants
Google Assistant
integriert
Amazon Alexa
integriert
Ambilight

Our conclusion:
LG C9 vs LG CX - Two very similar OLEDs with slightly different features

tvfindr Vitus
Vitus // tvfindr.com

The two OLEDs are very similar . Thus similarly even that only small but fine differences can be weighed with the purchase. In any case it is clear that the CX and C9 are both high end models, which have an almost identical picture quality – just like most other 2020 OLEDs.

Hence, only the features differ slightly. The CX has the Black Frame Insertion feature at 120Hz, Dolby Vision IQ and better integrated speakers. In return, the HDMI 2.1 interface of the C9 has a wider bandwidth – which really does not make a difference until now. Whoever can do without the additional features of the CX, or already owns a sound system can also purchase the C9, because in the end you get excellent picture quality from both devices, which can hardly be criticized. Only in very bright rooms both TVs do not perform quite as well, but neither TV has a real advantage in this field. Whoever is looking for a TV which performs well in a very bright environment can also consider Samsung’s Q90T.
For a great gaming experience, both TVs are great and there is no way to really pick a winner. The Black Frame Insertion feature at 120Hz of the CX can reduce the motion blur a little more, but otherwise the two OLEDs are equal – and due to the wide viewing angle, sports games like FIFA or PES can be enjoyed superbly on both TVs. So both TVs are well prepared for the Playstation 5 and the Xbox Series X!

LG OLED C9 2019
LG OLED C9
  • Perfect blacks
  • Infinite contrast ratio
  • Very wide viewing angle
  • Alpha 9 Gen 2 processor
  • HDMI 2.1
  • Peak Brightness
  • Automatic Brightness Limiter (ABL)
  • Built-in speakers
55" (138,8cm)
OLED55C9PUA
65" (163,9cm)
OLED65C9PUA
77" (195,6cm)
OLED77C9PUB
LG CX OLED 2020
LG CX OLED
  • Perfect blacks
  • Infinite contrast ratio
  • Very wide viewing angle
  • HDMI 2.1
  • Black Frame Insertion feature at 120Hz
  • Alpha 9 Gen 3 processor
  • Built-In speakers
  • Dolby Vision IQ
  • Automatic Brightness Limiter (ABL)
  • HDMI bandwidth 40 GBit/s.
  • No DTS
48" (120,9cm)
OLED48CXPUB
55" (138,8cm)
OLED55CXPUA
65" (164cm)
OLED65CXPUA
77" (195cm)
OLED77CXPUA
* Approximate price incl. VAT, plus shipping costs. Please note that prices shown here may have changed in the meantime.
All data without guarantee. All trademarks, designs and logos displayed are owned by their companies.
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