Hisense 55E78STUK PRO 55-inch 4K Hi-QLED 144 Hz TV

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Product guide

Hisense 55E78STUK PRO 55-inch 4K Hi-QLED 144 Hz TV

Hisense 55E78STUK PRO is a 55-inch 4K smart TV with Hi-QLED and DLED display technology, a listed 144 Hz refresh rate and a dedicated Game Mode. Its stated features suit gaming and film viewing, while customer feedback is less consistent about sound quality.

At a glance

The listing specifies a 4K panel, 55-inch screen and 144 Hz refresh rate.
Game Mode is listed, and the manufacturer describes a native 144 Hz gaming mode with VRR.
Dolby Vision, Dolby Atmos, a built-in subwoofer and VIDAA are listed.
The stated smart TV apps include Netflix, Disney+ and YouTube.

Price

£499.00Save 14%

Reference price: ~~£579.00~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

144 Hz and Game Mode are useful stated features for players seeking smoother motion and responsive gaming.
The listed Dolby Vision support and Hi-QLED display technology target film and streaming viewing.
Three HDMI ports provide connections for multiple HDMI devices.

Technical specifications

19 specifications

Identity
Brand	Hisense
Model	55E78STUK PRO

Display and video
Screen size	55 Inches
Screen technology listed	Hi-QLED & DLED
Resolution	4K
Refresh rate	144 Hz
Aspect ratio	16:9
HDR format supported	Dolby Vision
Motion enhancement	AI Smooth Motion

Smart TV and audio
Operating system	VIDAA
Internet applications listed	Netflix; Disney+; YouTube
Speaker description	Built-in Subwoofer
Surround sound format	Dolby Atmos

Connectivity and controls
Wireless connection listed	HDMI
HDMI ports	3
Control method listed	Remote

Dimensions and installation
Dimensions listed	29.8D x 122.6W x 75.6H centimetres

Energy and warranty
Energy efficiency class	E
Product warranty	2 year manufacturer

What to know before buying

The manufacturer describes native 144 Hz Game Mode with VRR, but the listing does not specify supported HDMI input bandwidth or which connected devices can use the stated refresh rate. Check compatibility for your console or PC.

What’s in the box

Included

Power cable
Quick Start Guide
Remote control
Stand
User manual

Who is it for?

A good fit for

Gamers looking for a large 4K TV with a listed 144 Hz refresh rate and Game Mode.
Viewers who want Dolby Vision support and built-in streaming apps on a 55-inch screen.
Buyers who plan to connect several HDMI devices.

Less suited to

Buyers who need confirmed compatibility for a particular console, PC refresh mode or HDMI bandwidth without checking further details.
Buyers who require consistently strong built-in audio, given the mixed customer comments about sound.

Hisense 55E78STUK PRO 55-inch 4K Hi-QLED 144 Hz TV · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 27 ratings

5 stars73%73%
4 stars9%9%
3 stars16%16%
2 stars0%0%
1 star2%2%

Customer feedback highlights picture quality, accuracy and value, including a favourable mention of Xbox Series X use. Sound impressions are mixed, so the built-in subwoofer and Dolby Atmos claims should not be taken as proof that the TV's sound will suit every buyer. The aggregate ratings lean positive but include a notable middle-rated share, and the small overall sample limits how broadly those impressions can be applied.

Positive themes

Customers mention picture quality and accuracy positively.
Some customer feedback describes value favourably and mentions Xbox Series X performance.

Mixed feedback

Customer impressions of sound quality differ, with some pleased and others wanting more.

Frequently asked questions

Does this Hisense TV support 144 Hz?

The listing gives a 144 Hz refresh rate and describes a native 144 Hz Game Mode with VRR. It does not detail which inputs or connected devices support that mode, so check the requirements for your console or PC.

What smart TV platform and apps are listed?

The listed operating system is VIDAA, and the apps named are Netflix, Disney+ and YouTube.

What are the TV's listed dimensions?

The product dimensions are listed as 29.8D x 122.6W x 75.6H centimetres.

How do customers describe the sound?

Customer comments are mixed. Some describe the sound positively, while others feel it could be better. The listing specifies a built-in subwoofer and Dolby Atmos, but those claims do not guarantee that every listener will be satisfied.