Display Technologies Explained

Before diving into specific models, it's essential to understand the three main panel technologies available in 2025. Each has distinct strengths and trade-offs.

OLED (Organic Light-Emitting Diode)

OLED panels use millions of self-emitting organic pixels — each one produces its own light and can be switched off individually. This delivers perfect blacks (literally zero light emission), infinite contrast ratios and stunning colour accuracy. Viewing angles are excellent because there's no backlight to cause brightness falloff from the sides.

The technology has matured enormously. Early concerns about burn-in have been largely addressed through pixel-shifting algorithms, automatic brightness limiters and improved organic compounds. LG Display (which manufactures most OLED panels) now warranties against burn-in, and real-world reports of burn-in on 2022+ panels are rare with normal use.

However, OLED still has two limitations. First, peak brightness — while dramatically improved (the LG G4 can hit around 3,000 nits in small highlights), OLEDs still can't sustain full-screen brightness at the same level as Mini-LED panels. Second, cost — OLED panels start at around £800 for a 42-inch model, making them pricier than LED alternatives.

QLED (Quantum Dot LED)

QLED is Samsung's branding for LCD TVs that use a quantum dot enhancement film over a traditional LED backlight. The quantum dots convert the backlight into purer, more precise colours, resulting in a wider colour gamut and higher brightness compared to standard LED TVs.

It's important to understand that QLED is not a self-emitting technology like OLED — it's still an LCD with a backlight. This means black levels are limited by how well the backlight can be dimmed (or not). Standard QLED TVs with edge-lit or direct-lit backlights can't match OLED for contrast. However, QLED panels excel in brightness (often exceeding 1,500 nits), making them excellent for well-lit living rooms.

Samsung's Neo QLED range adds Mini-LED backlighting to the QLED formula (see below), which significantly improves contrast and local dimming performance.

Mini-LED

Mini-LED refers to a backlighting system that uses thousands of tiny LEDs (typically under 200 micrometres) arranged in hundreds or thousands of local dimming zones. This allows much more precise control over brightness across the screen compared to conventional LED backlights, which might have only 50–100 zones.

The result is dramatically improved contrast on LCD panels — dark areas of the image can be dimmed independently while bright areas remain vivid. The best Mini-LED TVs in 2025, like Samsung's QN95D and Sony's Bravia 9, feature over 2,000 dimming zones and can exceed 3,000 nits peak brightness.

Mini-LED is not a panel technology per se — it's a backlighting method applied to LCD/QLED panels. It bridges the gap between standard LED and OLED, offering near-OLED contrast with the brightness and burn-in-free longevity of LCD.

QD-OLED: The Best of Both Worlds?

QD-OLED, developed by Samsung Display, combines OLED's self-emitting pixels with a quantum dot colour conversion layer. Instead of using white OLEDs with colour filters (as LG Display's WOLED panels do), QD-OLED uses blue OLEDs with red and green quantum dot converters. This produces wider, more saturated colours with higher brightness than traditional WOLED, while retaining OLED's perfect blacks.

In 2025, Samsung's S95D and Sony's A95L use QD-OLED panels. They're outstanding for colour-critical viewing — photography, cinema, HDR gaming — but command a premium price, typically starting around £1,500 for a 55-inch model.

TV Size Guide: What's Right for Your Room?

Screen size is one of the most important decisions, and most people actually buy a TV that's too small. Here's a quick guide based on viewing distance.

With 4K resolution, you can sit much closer to a large screen without seeing individual pixels. A 65-inch TV at 2.5 metres delivers a genuinely immersive experience that a 50-inch screen simply cannot match. If your budget and wall space allow, go bigger than you think you need — it's one of the most common pieces of advice from AV enthusiasts.

Top TV Picks by Screen Size

43–50 Inches: Best for Bedrooms and Smaller Rooms

LG C4 42" OLED (around £800)

The smallest OLED on the market and one of the best. The C4 delivers all the benefits of OLED — perfect blacks, wide viewing angles, instant response times — in a compact package ideal for bedrooms or desks. It supports Dolby Vision, HDR10 and HLG, has four HDMI 2.1 ports for gaming and runs LG's webOS smart platform. The 42-inch size is also popular as a PC monitor.

Samsung Q80D 50" QLED (around £600)

If you want a 50-inch TV for a well-lit room without stretching to OLED pricing, the Q80D is excellent. It uses a direct-lit LED backlight with local dimming, delivers around 1,000 nits peak brightness and runs Samsung's Tizen smart platform with all major UK streaming apps. Gaming features include 120 Hz, VRR and ALLM.

Hisense U7N 50" Mini-LED (around £430)

The U7N is the value king. For well under £500, you get Mini-LED backlighting with over 500 dimming zones, QLED colour, 144 Hz for gaming and Dolby Vision + Atmos support. It's not as refined as Samsung or LG in processing, but the price-to-performance ratio is remarkable.

Compare Small TV Prices at Currys

55 Inches: The UK's Most Popular Size

LG C4 55" OLED — Best All-Rounder (around £1,100)

The 55-inch C4 is the sweet spot for most UK living rooms. It inherits the same excellent panel, processing and smart features as its larger siblings, at a price that's come down significantly since the C3. It handles movies, sport and gaming with equal aplomb, and four HDMI 2.1 ports mean you can connect a PS5, Xbox and soundbar without running out of inputs.

Samsung S95D 55" QD-OLED — Best for Colour (around £1,600)

Samsung's QD-OLED flagship is a colour powerhouse. The 2024 model added an anti-reflective OLED Glare Free coating that dramatically reduces reflections in bright rooms — a key weakness of previous OLEDs. Peak brightness exceeds 2,000 nits, and the quantum dot layer produces colours that are visibly more saturated than WOLED alternatives. It's also superb for gaming with 144 Hz, VRR and Game Motion Plus.

Sony Bravia 8 55" OLED — Best for Movies (around £1,300)

Sony's XR Processor delivers the most natural, film-like image processing of any TV. The Bravia 8 uses LG's WOLED panel but adds Sony's secret sauce: superior upscaling, more accurate motion handling and Acoustic Surface Audio+, which vibrates the screen itself to produce sound that appears to come directly from the on-screen action. If you're a cinephile, this is your TV.

Shop 55" TVs at Hughes

65 Inches: The Enthusiast Sweet Spot

LG G4 65" OLED evo — Best Overall (around £2,100)

The G4 is LG's premium gallery-series OLED, and it's our pick for the best TV you can buy in 2025. It uses LG's latest MLA (Micro Lens Array) panel, which directs more light towards the viewer, delivering around 3,000 nits peak brightness — extraordinary for OLED. The Alpha 11 AI processor handles upscaling, tone mapping and sound virtualisation with class-leading accuracy. Build quality is exceptional, with a flush wall-mount included in the box.

Samsung QN95D 65" Neo QLED — Best for Bright Rooms (around £1,600)

If your living room is flooded with daylight, the QN95D is the answer. Its Mini-LED backlight with 2,000+ dimming zones produces over 3,000 nits sustained brightness, and the anti-glare coating minimises reflections. It's not OLED-level in dark scenes (some blooming is visible), but in a bright environment, it outperforms every OLED on the market. The One Connect Box separates connections from the TV, keeping your wall mount clean.

Browse 65" TVs at Very

75 Inches and Above: Home Cinema Territory

Sony Bravia 9 75" Mini-LED — Best for Cinema (around £2,800)

Sony's flagship Mini-LED is a cinematic beast. The XR Backlight Master Drive controls over 1,500 dimming zones with extraordinary precision, virtually eliminating blooming. Peak brightness exceeds 3,000 nits, and Sony's processing delivers the most natural, grain-preserving upscaling we've tested. Acoustic Multi-Audio+ uses beam tweeters to create a wide, immersive soundstage without a soundbar. At 75 inches, it fills your field of vision magnificently.

LG G4 77" OLED evo — Best Large OLED (around £3,200)

If you want the absolute best picture quality at 77 inches, the G4 delivers. The MLA panel maintains its brightness advantage at this size, and the Alpha 11 processor's AI-driven tone mapping is superb with HDR content. It's expensive, but nothing else matches its combination of contrast, colour and motion handling at this screen size.

Samsung QN85D 85" Neo QLED — Best Value Big Screen (around £2,000)

For those who want to go truly big without spending £3,000+, Samsung's QN85D offers 85 inches of Mini-LED goodness with 120 Hz, Object Tracking Sound, Dolby Atmos and all the gaming features you'd expect. It's not as refined as the QN95D, but at 85 inches and under £2,000, it represents remarkable value.

Explore Large TVs at Currys

TV Comparison Table

Gaming Features: What to Look For

If you use your TV for gaming — whether that's a PS5, Xbox Series X, Nintendo Switch 2 or a gaming PC — there are several features that directly affect your experience.

HDMI 2.1

This is essential for 4K at 120 Hz gaming. All the TVs on our recommended list include at least two HDMI 2.1 ports, but check before buying — some budget models still only include one. Make sure your console or PC is connected to an HDMI 2.1 port, not an older HDMI 2.0 port.

Variable Refresh Rate (VRR)

VRR synchronises the TV's refresh rate with your console's frame output, eliminating screen tearing and stuttering. Most 2024–2025 TVs support VRR via HDMI Forum VRR, AMD FreeSync Premium or both. LG OLEDs also support Nvidia G-Sync Compatible, which is important for PC gamers.

Auto Low Latency Mode (ALLM)

ALLM automatically switches the TV into its lowest-latency game mode when it detects a gaming signal. This means you don't have to manually change picture modes every time you switch between your console and streaming apps.

Input Lag

Input lag is the delay between pressing a button on your controller and the action appearing on screen. Under 20 ms is considered excellent; under 10 ms is competitive-grade. OLEDs consistently achieve the lowest input lag — the LG C4 measures around 5.5 ms at 4K/120 Hz in game mode.

144 Hz vs 120 Hz

While consoles currently max out at 120 fps, several 2025 TVs support 144 Hz, which is useful for PC gamers. If you're primarily a console gamer, 120 Hz is more than sufficient. The difference between 120 Hz and 144 Hz is marginal compared to the jump from 60 Hz to 120 Hz.

HDR Formats: Do They Matter?

High Dynamic Range (HDR) dramatically expands the brightness range and colour volume of content compared to standard SDR. But there are several competing formats, and not all TVs support all of them.

HDR10

The baseline HDR format. All HDR TVs support it, and most HDR content on streaming services uses HDR10. It provides a static brightness target for the entire programme — which means a dark scene and a bright scene get the same brightness treatment.

Dolby Vision

A premium dynamic HDR format that adjusts brightness and colour on a scene-by-scene (or even frame-by-frame) basis. Supported by Netflix, Disney+, Apple TV+ and Amazon Prime Video on most content. LG and Sony TVs support Dolby Vision; Samsung TVs do not — Samsung uses HDR10+ instead.

HDR10+

Samsung's answer to Dolby Vision. Also dynamic, but with less widespread content support. Amazon Prime Video is the main streaming platform that offers HDR10+ alongside Dolby Vision.

HLG (Hybrid Log-Gamma)

Used primarily by UK broadcasters, including the BBC on iPlayer. If you watch a lot of live sport or BBC content in HDR, make sure your TV supports HLG — all the models in our guide do.

In practical terms, Dolby Vision is the most widely supported premium HDR format in the UK. If you primarily use Netflix, Disney+ or Apple TV+, a Dolby Vision-capable TV will give you the best HDR experience. Samsung fans shouldn't worry too much — HDR10+ is competent, and Samsung's excellent processing compensates effectively.

Smart TV Platforms Compared

Every TV runs a smart platform for apps and streaming. Here's how the three main platforms compare in 2025.

LG webOS

Clean, user-friendly and well-supported. All major UK apps (iPlayer, ITV Hub, Channel 4, My5, Netflix, Disney+, Apple TV+, Amazon, NOW, BritBox) are available. webOS also supports AirPlay 2 and HomeKit for Apple users. The 2025 version includes AI-powered content recommendations and a redesigned home screen.

Samsung Tizen

Samsung's platform is slick and fast with excellent app support. Samsung TV Plus offers free ad-supported streaming channels. Tizen includes SmartThings integration for controlling smart home devices from your TV. One minor annoyance: Tizen shows ads on the home screen, though these can be partially disabled in settings.

Google TV (Sony, Hisense)

Sony and Hisense use Google TV, which offers the most extensive app library (it's basically Android). Google Assistant and Chromecast are built in, and the interface integrates recommendations from all your streaming subscriptions. It can feel a little cluttered compared to webOS or Tizen, but functionality is unmatched. All UK catch-up and streaming apps are available.

Where to Buy TVs in the UK

TV prices fluctuate significantly throughout the year. The best times to buy are Black Friday (late November), Boxing Day, January sales and Amazon Prime Day (usually July). Here are our recommended retailers:

• Currys — The UK's largest electronics retailer with extensive TV showrooms where you can see models in person. Price-match guarantee, flexible delivery and recycling of your old TV. Shop TVs at Currys
• Hughes — Family-run electrical retailer with competitive pricing and excellent customer service. Often has exclusive bundle deals with soundbars. Browse TVs at Hughes
• Very — Great for spreading the cost with flexible payment options. Stocks all major TV brands with free delivery on orders over £30. View TVs at Very

Always check PriceDetective before purchasing — we track prices across all major UK retailers so you can be confident you're getting the best deal.

Frequently Asked Questions

Is 8K worth it in 2025?

For the vast majority of buyers, no. There is virtually no native 8K content available — no streaming service offers it, no Blu-ray format supports it and only a handful of YouTube videos are filmed in 8K. Samsung and LG sell 8K TVs, but at enormous premiums. The upscaling from 4K to 8K can look impressive on very large screens (85"+), but you'd be better served by a superior 4K panel for less money.

Should I buy a soundbar with my new TV?

Modern TVs have improved their built-in sound significantly — Sony's Acoustic Surface Audio and Samsung's Object Tracking Sound are genuinely impressive. However, a dedicated soundbar (or soundbar + subwoofer) will still deliver meaningfully better bass, dialogue clarity and surround effects. If your budget allows, we recommend pairing any TV over 55 inches with at least a mid-range soundbar.

How long do modern TVs last?

LED/QLED TVs typically last 7–10 years before the backlight dims noticeably. OLED panels are rated for around 100,000 hours to half-brightness, which equates to roughly 30 years at 10 hours per day. In practice, most people upgrade for feature reasons (new smart platform, better HDR) long before the panel fails.

Do I need a separate streaming device?

For most users, no — the built-in smart platforms on 2025 TVs are fast, well-supported and regularly updated. However, if you want access to niche apps, prefer a specific interface (like Apple TV's) or your TV's platform stops receiving updates, a streaming stick or box is an affordable add-on.

Our Verdict

For most UK households, the LG C4 OLED at 55 or 65 inches represents the best overall television. It delivers OLED picture quality — perfect blacks, wide viewing angles, superb gaming performance — at a price that's become genuinely accessible. If you have a particularly bright room, the Samsung QN95D Neo QLED is the better choice thanks to its extreme brightness and anti-glare coating.

Budget-conscious buyers should look seriously at the Hisense U7N — Mini-LED with 144 Hz gaming support for under £500 at 55 inches is exceptional value. And if you want the absolute best picture quality money can buy, the LG G4 OLED evo at 65 or 77 inches is simply stunning.

Whatever you choose, buy the largest screen your room and budget will accommodate, ensure it has the HDR formats your streaming services use and don't forget to check PriceDetective for the latest deals and price drops.