Panasonic VIERA G20 vs Panasonic Z95B

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VIERA G20 compared with Z95B

	PanasonicVIERA G20	PanasonicZ95B
Overview
Released
Released	2010	June 2025
Display
Panel
Panel	Plasma	OLED
Panel detail
Panel detail	Panasonic's UK TX-P42G20B, TX-P46G20B and TX-P50G20B manual specifies native Full HD NeoPDP plasma panels. The marketed 600 Hz sub-field drive is not the native image refresh rate, which remains unpublished.	Primary RGB Tandem (four-layer) WOLED
Resolution
Resolution	1920 × 1080 (Full HD)	3840 × 2160 (4K) (better)
Refresh rate
Refresh rate	–	144 Hz
HDR formats
HDR formats	None	Dolby Vision, HDR10, HDR10+, HLG
HDR extras
HDR extras	–	Dolby Vision IQ, HDR10+ Adaptive, Filmmaker Mode
Peak brightness
Peak brightness	–	About 2,200 nits in calibrated HDR mode and close to 400 nits full-screen (FlatpanelsHD, 65″)
Picture processing
Picture processing	Panasonic's second-generation NeoPDP panel, Intelligent Frame Creation, Resolution Enhancer and advanced white-balance, gamma and colour-management controls. The THX picture mode is certified; the 600 Hz sub-field drive is marketing for the panel drive rather than native frame refresh.	ThermalFlow cooling; Auto AI picture and sound optimisation
Picture modes
Picture modes	Dynamic, Normal, Cinema, THX, Game and Photo where input-appropriate; ISFccc setup unlocks Professional 1 and 2 with per-input calibration settings.	–
Motion handling
Motion handling	HDTVTest measured 900 lines of motion resolution with Intelligent Frame Creation off and 1080 with it on, but saw some ball shimmer during sports. It found 1080p/24 playback free of telecine judder. These are measurements of the reviewed 42-inch set, not a native refresh specification.	–
Sizes
Sizes
Sizes	42, 46, 50″	55, 65, 77″
Largest size
Largest size	50″	77″ (better)
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	4 (2 HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rate
Variable refresh rate	None	HDMI VRR, FreeSync Premium, G-Sync Compatible
Auto low latency mode
Auto low latency mode	–	Yes
HDMI detail
HDMI detail	Four HDMI Type A inputs; HDMI2 supports Audio Return Channel under HDMI 1.4, and all support VIERA Link HDAVI Control 5. Two RGB SCART inputs, component video and D-sub PC input also appear in the UK manual.	HDMI 1 and 2: 4K 144 Hz, VRR, G-Sync Compatible, FreeSync Premium (HDMI 2 also eARC/ARC); HDMI 3 and 4: 4K
Input lag
Input lag	–	Just over 14 ms without VRR (FlatpanelsHD, 65″)
Game features
Game features	–	Game Mode Extreme, Game Control Board, RPG and FPS game sound modes
Smart TV and sound
Smart TV platform
Smart TV platform	VIERA CAST	Fire TV
Processor
Processor	–	HCX Pro AI Processor MK II
Speakers
Speakers	20 W	5.1.2 channels
Dolby Atmos
Dolby Atmos	–	Yes
eARC
eARC	–	Yes
Speaker detail
Speaker detail	Two 120 × 35 mm, 6-ohm speakers with 10 W + 10 W output.	360° Soundscape Pro tuned by Technics with line array, upward- and side-firing speakers; 160 W (55″), 170 W (65″), 180 W (77″)
Audio features
Audio features	Optical PCM/Dolby Digital output, analogue RCA stereo output and 3.5 mm headphone socket; HDMI2 supports ordinary ARC, not eARC.	Dolby Atmos; Space Tune automatic room calibration; beam-forming array speakers; 3.5 mm headphone/subwoofer output
Voice assistants
Voice assistants	–	Alexa, hands-free through built-in microphones or via the remote's Alexa button
Casting
Casting	DLNA media playback and VIERA CAST internet services; optional DY-WL10E-K wireless LAN adaptor, with no built-in Wi-Fi claimed.	–
Software updates
Software updates	Broadcast and network service updates described in the UK manual; VIERA CAST app availability may have changed since release.	–
TV tuners
TV tuners	UK Freesat HD DVB-S/S2 satellite, Freeview HD DVB-T2 terrestrial, DVB-T and PAL I analogue UHF tuners.	–
USB
USB	Two USB 2.0 ports for media and encrypted TV recording to a registered external USB hard drive; SD card slot also supports media.	3 (1 × USB 3.0, 2 × USB 2.0)
Ethernet
Ethernet	RJ45 10BASE-T/100BASE-TX for Freesat, DLNA and VIERA CAST network services.	Yes
Optical audio out
Optical audio out	Optical PCM and Dolby Digital output.	Yes
Design and power
Size
Size	Panasonic TV-only dimensions, width × height × depth: 42-inch 1029 × 654 × 82 mm, 20.5 kg; 46-inch 1132 × 722 × 82 mm, 24 kg; 50-inch 1218 × 769 × 82 mm, 26 kg. With supplied pedestal: 1029 × 693 × 308 mm, 23.5 kg; 1132 × 761 × 335 mm, 27 kg; 1218 × 808 × 335 mm, 29 kg respectively.	–
Stand
Stand	Pedestal supplied; optional TY-WK4P1RW wall bracket.	Swivel pedestal stand (55″, 65″)
Power use
Power use	Panasonic rated power consumption: 290 W (42-inch), 300 W (46-inch), 335 W (50-inch); standby 0.40 W without monitor-output recording or 32 W with it.	–
Colours
Colours	Gloss black bezel with a dark-blue appearance under some lighting, as HDTVTest observed.	–
In the box
In the box	N2QAYB000490 remote, two R6 batteries, pedestal, cable clamper, mains lead, two ferrite cores, instructions and registration leaflet. HDTVTest reported UK retailer warehouse arrivals and online orders on 26 February 2010; contemporary coverage said shipments would begin in March. Exact first delivery month is unverified, so released uses year precision.	–