TCL C735K vs TCL C745K

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

Better figure, where one is clearly better

C735K compared with C745K
TCLC735KTCLC745K
Overview
Released20222023
Display
PanelLED LCDLED LCD
Panel detailQuantum-dot LCD; direct LED with global dimming on the reviewed 55-inch model, while the 98-inch model has full-array local dimmingQuantum-dot LCD with full-array LED local dimming
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate144 Hz (55, 65, 75″), 120 Hz (85, 98″)144 Hz
HDR formatsDolby Vision, HDR10, HDR10+, HLGDolby Vision, HDR10, HDR10+, HLG
HDR extrasDolby Vision IQDolby Vision IQ; IMAX Enhanced
Peak brightness–1,000 nits, maker peak claim; measured brightness depends on size, picture mode and test pattern
Picture processingAiPQ 2.0; the 55C735K review confirms global dimming, not full-array local dimming. TCL's IFA 2022 announcement specifies full-array local dimming for 98C735K; do not apply its backlight to the smaller models.AiPQ 3.0 processing and full-array local dimming; AVForums verifies 120 zones on its tested 55-inch model, not a series-wide count
Motion handling55–75-inch family supports up to 144 Hz, confirmed on the 55C735K by AVForums. Exact 85C735K and 98C735K maker pages state native 120 Hz VRR. Their downloadable tables also list a 144 Hz input mode; this is not treated as a higher native panel refresh.TCL specifies native 144 Hz; maximum 4K refresh is 144 Hz. The 240 Hz Game Accelerator uses reduced-resolution Dual Line Gate processing.
Sizes
Sizes55, 65, 75, 85, 98″55, 65, 75″
Largest size98″ (better)75″
Gaming
HDMI ports4 (HDMI 2.1 count unpublished)4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync PremiumHDMI VRR, FreeSync Premium Pro
Auto low latency modeYesYes
HDMI detailFour sockets; AVForums identifies two high-bandwidth inputs on its 55C735K, with HDMI 1 accepting 4K 144 Hz and HDMI 2 accepting 4K 120 Hz. Its other two sockets are HDMI 2.0b; eARC supported. High-bandwidth input count is not extrapolated to the larger variants.TCL labels all four sockets HDMI 2.1; AVForums verifies two 48 Gbps inputs on its UK review unit. HDMI 1 supports 4K 144 Hz and HDMI 2 supports 4K 120 Hz; HDMI 4 provides eARC separately.
Game featuresGame Master Pro, TCL Game Bar, ALLM and FreeSync PremiumGame Master Pro 2.0; ALLM; game bar; aiming aid and shadow enhancement
Smart TV and sound
Smart TV platformGoogle TVGoogle TV
ProcessorAiPQ 2.0AiPQ 3.0
Speakers–30 W, 2.0 channels
Dolby AtmosYesYes
eARCYesYes
Wi-Fi–Wi-Fi 5 (802.11ac), dual-band MIMO
Speaker detailOnkyo speakers; AVForums identifies 2 × 10 W down-firing speakers in the 55C735K. The maker's 98C735K table lists 2 × 15 W plus a 40 W bass speaker; no series-wide power is assigned.2 × 15 W stereo, down-firing speakers
Audio featuresDolby Atmos processingDolby Atmos; DTS Virtual:X processing
Voice assistantsHands-free Google Assistant and Works with Alexa; language and region availability apply–
CastingChromecast and T-castChromecast and T-cast; AirPlay 2 advertised on the exact K-model page
TV tunersDVB-T2/C/S2 and analogue tuner; CI+ 1.4 with ECP (maker's 98C735K table)DVB-T2/C/S2; analogue tuner; CI+ 1.4 with ECP
USBOne USB 2.0 port on the reviewed 55C735K and in the maker's 98C735K tableOne USB 2.0 port in the exact K-model maker tables
EthernetRJ-45 LANRJ-45 LAN
Optical audio outOptical digital audio outputOptical digital audio output
Design and power
Size–55-inch television 1,225 × 711 mm without stand and 1,225 × 771 × 316 mm with stand (width × height × depth). Configuration weights exclude stands.
VESA pattern–400 × 300 mm (55 inches), 300 × 300 mm (65 inches) and 400 × 400 mm (75 inches), per exact UK maker datasheets
Colours–Brushed titanium metal front
StandCentral stand on the 55-inch review unit; designs vary with screen size–

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