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LG OLED evo G4 vs Sony A90J

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

Better figure, where one is clearly better

LGOLED evo G4SonyA90J
Overview
ReleasedMarch 20242021
Display
PanelOLEDOLED
Panel detailSelf-lit OLED evo; Micro Lens Array on 55, 65, 77 and 83 inches, absent on 97 inches (Trusted Reviews)–
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGHDR10, HLG, Dolby Vision
Picture processingAI Super Upscaling 4K, AI Brightness Control, OLED Dynamic Tone Mapping Pro, AI Genre Selection and Filmmaker ModeCognitive Processor XR, XR OLED Contrast Pro, Pixel Contrast Booster, XR HDR Remaster, XR Triluminos Pro, Dual Database Processing, XR Super Resolution and XR 4K Upscaling.
Picture modes–Custom, Cinema, IMAX Enhanced, Game, Graphics, Photo, Dolby Vision Bright/Dark and Netflix Calibrated.
Motion handlingLG specifies 120Hz native for all sizes. PC-connected 144Hz mode and VRR up to 144Hz apply to 55/65/77/83 inches; 97 inches supports VRR up to 120Hz.XR Motion Clarity; 4K 120 Hz HDMI input.
Sizes
Sizes55, 65, 77, 83, 97″55, 65, 83″
Largest size97″83″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+)4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync Premium, G-Sync CompatibleHDMI VRR
Auto low latency modeYesYes
HDMI detailFour HDMI 2.1 inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 2. LG's exact-model FAQ specifies 48Gbps on all four ports.Four HDMI inputs: one side and three bottom. HDMI 3/4 support 4K 120 Hz, VRR and ALLM; eARC shares one of these inputs. HDCP 2.3. Current maker table confirms VRR after firmware; both launch-era reviews describe it as unavailable.
Game featuresGame Optimiser and Dashboard, HGiG, NVIDIA G-SYNC Compatible and AMD FreeSync PremiumPlayStation 5 Auto HDR Tone Mapping and Auto Genre Picture Mode after software updates. Launch-era review reports about missing VRR and UK catch-up apps are historical findings, not current specification claims.
Smart TV and sound
Smart TV platformwebOSGoogle TV
Processorα11 AI Processor 4KCognitive Processor XR
Speakers60 W, 4.2 channels–
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 6Wi-Fi 5 (802.11ac)
Bluetooth5.14.2
Speaker detailDown-firing 4.2-channel speaker systemAcoustic Surface Audio+; UK 65-inch maker lists two actuators and two subwoofers, output 20 W + 20 W + 10 W + 10 W (60 W). No wattage is assigned to the other sizes without their full maker audio tables.
Audio featuresAI Sound Pro virtual 11.1.2 up-mixing, AI Voice Remastering, acoustic tuning, Bluetooth Surround Ready, WiSA 2.1 and WOW Orchestra with compatible LG soundbarsDolby Atmos and DTS Digital Surround, Voice Zoom 2, room/user-position calibration, 3D Surround Upscaling and Acoustic Center Sync with a compatible AV receiver or Sony soundbar.
Voice assistants–Built-in microphone with physical switch and premium backlit voice remote.
CastingAirPlay 2, built-in Chromecast and LG ThinQ app; application availability varies by regionChromecast built-in, Apple AirPlay and HomeKit.
TV tuners–Twin DVB-T/T2, DVB-C and DVB-S/S2 tuners; analogue and CI+.
Software updateswebOS 24; four upgrades over five years, with regional schedules. LG Australia confirmed its TV range available now on March 14, 2024 and listed 55/65/77/83-inch G4 in-store in March; release records the first confirmed series month, not a universal size or regional day. The 97-inch rollout is not dated by that Australian announcement.–
USBThree USB 2.0 inputs3 × USB: two side and one bottom; USB HDD recording supported.
EthernetOne Ethernet input1 × bottom Ethernet LAN.
Optical audio outOne optical digital audio output1 × bottom digital audio output.
Design and power
SizeWithout stand (W × H × D): 55″ 1222 × 703 × 27.2 mm; 65″ 1441 × 826 × 24.3 mm; 77″ 1712 × 982 × 24.8 mm; 83″ 1847 × 1057 × 28 mm; 97″ 2155 × 1230 × 28.2 mmWithout stand, W × H × D: 55-inch 122.3 × 70.9 × 4.1 cm; 65-inch 144.4 × 83.3 × 4.1 cm; 83-inch 185.0 × 106.7 × 5.3 cm. Configuration weights exclude the stand; maker omits with-stand weights.
StandUK G45LW versions include a wall bracket; 55/65-inch G46LS versions include a stand instead, with a wall bracket sold separately. Maker with-stand dimensions (W × H × D): 55″ 1222 × 787 × 263 mm; 65″ 1441 × 910 × 263 mm; 77″ 1712 × 1039 × 321 mm; 83″ 1847 × 1115 × 321 mm. The 97-inch sheet lists 2155 × 1628 × 580 mm; this unusual stand height is retained as the published value rather than corrected by inference. Stands shown in the larger wall-version specifications are optional. Main weights exclude stands.55-inch standard foot width 128.2 cm, raised 115.0 cm; with-stand standard 128.2 × 70.9 × 31.7 cm, raised 122.3 × 77.6 × 31.7 cm. 65-inch standard foot width 150.2 cm, raised 136.5 cm; standard 150.2 × 83.4 × 31.7 cm, raised 144.4 × 90.2 × 31.7 cm. 83-inch standard/raised foot width 188.0 cm and narrow 70.0 cm; standard 188.0 × 107.2 × 42.8 cm, narrow 185.0 × 109.9 × 42.8 cm and raised 188.0 × 113.7 × 42.8 cm.
VESA pattern55″ 300 × 200 mm; 65/77″ 300 × 300 mm; 83″ 400 × 400 mm; 97″ 600 × 400 mm55/65-inch 300 × 300 mm; 83-inch 400 × 400 mm.
Power useUnder 0.5 W standbyUK 65-inch standby 0.50 W; network standby 2.00 W over Wi-Fi/LAN or 0.50 W over HDMI-CEC.
Colours–Titanium Black bezel and aluminium edge stand.
In the boxMR24 Magic Remote, two AA batteries and attached power cable; UK stand or wall bracket depends on model suffixTable-top stand, premium backlit voice remote, batteries, power cord and setup instructions. Maker Japan records 55/65-inch sale on 1 May 2021 and 83-inch on 10 July; these regional dates do not establish the earliest worldwide month. Release remains 2021 after a bounded earlier-sale gap.

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