LG LM660T vs LG OLED evo C6

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

LM660T compared with OLED evo C6
LGLM660TLGOLED evo C6
Overview
ReleasedMay 2012March 2026
Display
PanelLED LCDOLED
Panel detailEdge-lit LED LCD with LG Cinema Screen narrow bezel and passive Cinema 3D; LG Denmark's 32-inch sheet lists 1920 × 1080 resolution but contradictorily marks Full HD as NoWOLED; 77″ and 83″ use a Primary RGB Tandem panel with Hyper Radiant Colour Tech
Resolution1920 × 1080 (Full HD)3840 × 2160 (4K) (better)
Refresh rate–165 Hz
HDR formatsNoneDolby Vision, HDR10, HLG
HDR extras–Dolby Vision IQ
Screen finish–Glossy
Peak brightness–1,251 nits in HDR on a 10% window, 65″ (Tom's Guide)
Picture processingTriple XD Engine, LED local dimming, LG Picture Wizard and 2D-to-3D conversionAI Picture Pro, AI HDR Remastering, Brightness Booster; 77″ and 83″ add Hyper Radiant Colour Tech (up to 3.2x peak brightness)
Picture modesIntelligent Sensor, Vivid, Standard, Cinema, Game and two ISF Expert modes on LG Denmark's 42-inch specificationFILMMAKER MODE with Ambient Light Compensation, Creator Original mode
Motion handlingLG Denmark calls its processing TruMotion 100 Hz; the native panel refresh is not established, so no refresh scalar is assigned–
Sizes
Sizes32, 42, 47, 55″42, 48, 55, 65, 77, 83″
Largest size55″83″ (better)
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rateNoneHDMI VRR, G-Sync Compatible, FreeSync Premium
Auto low latency mode–Yes
HDMI detailFour side-facing HDMI inputs on the exact 42-inch AVForums review; no HDMI 2.1 bandwidth4K 120 Hz on all four ports; eARC, VRR, ALLM, QMS and QFT
Input lagAVForums measured 46 ms on the 42-inch sample with its June 2012 software; software version affects the result–
Game featuresDual Play split-screen gaming with separate optional glassesUp to 4K 165 Hz; G-SYNC Compatible, FreeSync Premium, HGiG, VESA ClearMR 10000, 0.1 ms response; Game Dashboard and Optimiser; Bluetooth Ultra Low Latency controllers (under 2.5 ms)
Cloud gaming–NVIDIA GeForce NOW (4K 120 Hz HDR)
Smart TV and sound
Smart TV platformLG Smart TVwebOS
ProcessorTriple XD Enginealpha 11 AI Processor 4K Gen3 (Dual AI Engine)
Dolby Atmos–Yes
DTS:X–No
eARC–Yes
Speakers20 W, 2.0 channels–
Wi-FiBuilt-in Wi-FiWi-Fi 6
Bluetooth–5.3
Speaker detail2 × 10 W stereo output in AVForums' exact-model specification; LG Denmark describes invisible speakers42″ 20 W, 2.0 ch; 48″ to 83″ 40 W, 2.2 ch
Audio featuresDolby Digital, Dolby Digital Plus, DTS and Clear Voice II in AVForums' exact-model specificationVirtual 11.1.2 ch, AI Sound, AI Object Remastering Ultra, Dolby Atmos
Software updatesLG Smart TV launch software includes LG Smart World, 3D World, web browser and Smart Share. What Hi-Fi? announced the series for UK sale in spring 2012 and a Richer Sounds buyer reported purchase by May; LG UK support later said LM660T had been withdrawn from official UK distribution. First worldwide sale day is unconfirmed.webOS 26; webOS Re:New Program upgrades for up to 5 years
TV tunersDVB-T2 Freeview HD and DVB-C on LG Denmark's sheets; no Freesat tuner in the UK review–
USBThree USB 2.0 ports on AVForums' 42-inch specification, including recording to an attached drive2 × USB 2.0
EthernetEthernet plus built-in Wi-Fi–
Optical audio outDigital optical audio output–
Design and power
SizeLG Denmark, without stand (W × H × D): 32-inch 719 × 435 × 35.6 mm; 42-inch 953 × 566 × 33.4 mm; 47-inch 1063 × 628 × 33.4 mm; 55-inch 1232 × 723 × 33.6 mmWithout stand, 42″ 932 × 540 × 41.1 mm; 48″ 1071 × 620 × 46.9 mm; 55″ 1222 × 703 × 45.1 mm; 65″ 1441 × 826 × 45.1 mm; 77″ 1711 × 982 × 47.1 mm; 83″ 1842 × 1055 × 52.9 mm
StandRibbon stand; LG Denmark lists weights with stand of 9.4, 14.8, 17.4 and 25 kg for 32, 42, 47 and 55 inches respectivelyCentral pedestal stand; 65″ stands 880 mm tall on it, stand footprint 470 × 230 mm
VESA pattern–48″, 55″ and 65″ 300 × 200 mm; 83″ 400 × 400 mm
Warranty–OLED Care+ covers the panel for 5 years
Power useLG Denmark IEC on-mode: 32-inch 41 W, 42-inch 52 W, 47-inch 63 W, 55-inch 73 W; standby 0.3 W.–
In the boxMagic Motion Remote and standard remote on AVForums' 42-inch review; What Hi-Fi? reports five pairs of passive 3D glasses with its sample–

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