Sony BRAVIA 8 vs Sony BRAVIA AF9

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BRAVIA 8 compared with BRAVIA AF9

	SonyBRAVIA 8	SonyBRAVIA AF9
Overview
Released
Released	April 2024	2018
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	–	Self-emitting OLED panel with Sony Pixel Contrast Booster and TRILUMINOS processing. A single native refresh figure is omitted because Sony's UK sheet lists accepted 1080p 120 Hz input but no native panel rate or 4K 120 Hz support.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	–
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	HDR10, HLG, Dolby Vision
HDR extras
HDR extras	IMAX Enhanced	–
Colour range
Colour range	XR Triluminos Pro, Live Colour Technology	–
Picture processing
Picture processing	XR Contrast Booster 15, XR Clear Image, Dynamic Contrast Enhancer, light sensor	X1 Ultimate, 4K X-Reality PRO, dual database processing, Object-based Super Resolution and Pixel Contrast Booster. Netflix Calibrated picture mode and CalMAN auto-calibration support are listed by Sony.
Picture modes
Picture modes	Vivid, Standard, Cinema, Professional, Calm, Photo, IMAX Enhanced, Dolby Vision (Vivid, Bright, Dark, Game), FPS Game, RTS Game; Studio Calibrated modes for Netflix and Sony Pictures Core, with Prime Video added by a firmware update	Vivid, Standard, Cinema, Game, Graphics, Photo, Custom and Netflix Calibrated.
Motion handling
Motion handling	XR OLED Motion	Sony lists Motionflow XR without a numeric native refresh rate. The UK sheet accepts 1080p 100/120 Hz video signals, but only up to 4K 60 Hz.
Sizes
Sizes
Sizes	55, 65, 77″	55, 65″
Largest size
Largest size	77″ (better)	65″
Gaming
HDMI ports
HDMI ports	4 (2 HDMI 2.1 at 4K 120 Hz+) (better)	4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR	None
Auto low latency mode
Auto low latency mode	Yes	–
HDMI detail
HDMI detail	HDMI 2.1 features: 4K 120, eARC, VRR, ALLM, SBTM (Source-Based Tone Mapping); 4K 100/120 Hz and VRR on HDMI 3 and 4, ALLM on all four; HDCP 2.3 on all four	Four HDMI inputs (one side, three bottom), HDCP 2.3 and eARC according to Sony UK's model sheets; 4K input is limited to 60 Hz.
Input lag
Input lag	–	27.5 ms in SDR and HDR Game mode, measured by AVForums on the KD-55AF9.
Game features
Game features	Auto HDR Tone Mapping and Auto Genre Picture Mode with a PS5; Dolby Vision Game mode; FPS and RTS game modes	Game mode; no verified VRR or ALLM support.
Smart TV and sound
Smart TV platform
Smart TV platform	Google TV	Android TV
Processor
Processor	XR Processor	X1 Ultimate
Speakers
Speakers	50 W	98 W, 3.2 channels (better)
Dolby Atmos
Dolby Atmos	Yes	–
DTS:X
DTS:X	Yes	–
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 6E	Wi-Fi 802.11a/b/g/n/ac
Bluetooth
Bluetooth	5.3	Bluetooth 4.2
Speaker detail
Speaker detail	Acoustic Surface Audio+ with Sound Positioning Tweeters, 2 actuators, 2 tweeters and 1 subwoofer; 55″ and 65″ 10 W × 5 (50 W); 77″ 13 W + 13 W + 10 W + 10 W + 10 W (56 W)	Acoustic Surface Audio+ uses six 13 W actuator channels and two 10 W subwoofer channels, total 98 W. Sony lists TV centre-speaker mode for use with an external surround amplifier.
Audio features
Audio features	Acoustic Center Sync with a compatible Sony soundbar, Voice Zoom 3, 3D Surround Upscaling, room and user-position sound calibration, 360 Spatial Sound Personalizer over Bluetooth	–
Voice assistants
Voice assistants	Voice search with a built-in microphone (with an off switch); works with Apple HomeKit	–
Casting
Casting	Chromecast built-in, Apple AirPlay	Chromecast built in; Google Play Store apps and Google Assistant voice search through Android TV.
TV tuners
TV tuners	DVB-T/T2, DVB-C and DVB-S/S2; 2 terrestrial/cable and 2 satellite digital tuners; CI+	Sony UK lists terrestrial, cable and satellite RF inputs; UK YouView catch-up services are described in both exact-model reviews.
USB
USB	2 × USB; USB hard disk recording	Three USB ports, two bottom and one side, with USB HDD recording.
Ethernet
Ethernet	1 × Ethernet	One bottom Ethernet socket.
Optical audio out
Optical audio out	1 × optical digital audio out	One bottom digital audio output.
Design and power
Size
Size	Without stand, 55″ 1223 × 706 × 37 mm; 65″ 1442 × 829 × 37 mm; 77″ 1713 × 984 × 38 mm	Without-stand W × H × D, Sony UK: 55″ approximately 1228 × 711 × 86 mm; 65″ approximately 1449 × 835 × 86 mm. Configuration weights exclude the stand.
Stand
Stand	Underlay Stand with four positions (outside, inside, and outside or inside raised for a soundbar)	Easel-style rear stand. Sony lists 320 mm depth with stand for both sizes; the screen leans back slightly.
VESA pattern
VESA pattern	300 × 300 mm	–
Power use
Power use	55″ 72, 65″ 83, 77″ 107 kWh/1000h in SDR; 0.5 W standby	Sony UK standard operating power: 55″ 150 W, 65″ 190 W. Rated maximum power is 401 W and 521 W respectively.
Energy class
Energy class	55″ F; 65″ and 77″ E (SDR)	–
Colours
Colours	Dark silver	Black bezel.
In the box
In the box	Remote control, table-top stand, USB Type-C cable, power cord, batteries	–