How to Buy a Great TV

Two important features to look for in a television are local dimming and high dynamic range, a Wirecutter tester said. Credit Robert F. Bukaty/Associated Press
Two important features to look for in a television are local dimming and high dynamic range, a Wirecutter tester said. Credit Robert F. Bukaty/Associated Press
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How to Buy a Great TV

Two important features to look for in a television are local dimming and high dynamic range, a Wirecutter tester said. Credit Robert F. Bukaty/Associated Press
Two important features to look for in a television are local dimming and high dynamic range, a Wirecutter tester said. Credit Robert F. Bukaty/Associated Press

You know how it is: Every Black Friday, you are bombarded with lousy shopping deals that do not offer as much of a discount on an item as you think. But there is a bright spot: If you are shopping for a television, it really is the best time to buy one.

To stoke sales, electronics manufacturers typically slash prices of popular TV sets during Black Friday to the lowest all year. This week, you will be able to buy high-quality televisions for $500 to $1,500 after discounts of 15 percent to 30 percent. That’s a deal considering that typically, many TVs in the $500 range are just O.K. and high-end sets cost upward of $2,000.

But as always, there will be duds to watch out for. Many TV brands take this opportunity to sell sets with exaggerated features that have subpar picture quality. And inside stores, TVs often look different from the way they would at home, because you probably don’t have gigantic lights in your ceilings like the showrooms at Best Buy.

“A lot of Black Friday marketing is designed to get the consumer interested in something, sometimes with not a lot of facts but a gut feeling of ‘I need to buy this,’ ” said Raymond Soneira, president of DisplayMate, a consulting firm that studies TV and smartphone screens.

So we did some research ahead of time. To help you scout for great TV deals, I interviewed experts on TV technologies and teamed up with Wirecutter, a New York Times company that reviews products. Here is our guide to picking out a TV you will be happy with this Black Friday, advice that may also come in handy if you are shopping for TVs over the rest of the holiday season.

Viewing Conditions

To narrow down your search, the first rule of thumb is to assess the ambient light in your living room.

If your living room gets lots of sunlight, you will want a very bright TV with vivid colors that can overcome some of that ambient light that washes out your TV, Mr. Soneira said. In this situation, you would probably go for an LCD TV, which can produce very bright and sharp images.

If your living room has lower ambient light or if you have a dark theater room, go for a TV with more lifelike colors. In this case, you could go for televisions with so-called OLED screens, which can be made thinner and lighter with more accurate colors and contrast. In general, OLED TVs look better than LCD sets, but OLED TVs are not as bright, so their colors and shadow details can be washed out by bright sunlight.

And then there is content to consider. If you watch a lot of movies, you would benefit from an OLED television to get a picture that more closely resembles what the director intended you to see. But if you mostly watch sports or broadcast television, a good LCD television would be sufficient to get a clear, bright picture of the ballgame or your local news coverage.

In the end, your budget may drive your decision. Good LCD televisions cost as little as $500. A nice OLED television tends to cost $2,000 and up.

A Few Important Features

After you have decided on a type of TV, there are two important features to look for: local dimming and high dynamic range, said Chris Heinonen, a writer and TV tester for Wirecutter.

Local dimming is a technology that uses a backlight embedded inside the TV to make bright parts of the screen look brighter without washing out shadow detail. It also helps improve contrast and produce a more vibrant image.

High dynamic range, or HDR, is a software feature that enhances the contrast and color profile of a picture. In bright colors, you will see brighter highlights; in dark colors, you will see more details.

Most television sets today come with 4K high-definition resolution, also known as ultrahigh definition. But 4K videos won’t look very good if the TV lacks local dimming. In addition, the expanded color gamut from high dynamic range makes a big difference when watching videos in 4K, Mr. Heinonen said.

Buyer, Beware

Here’s the tricky part: On Black Friday, many companies exaggerate the features on their TV sets to make them look more attractive. Here are some things to look out for.

■ Fake contrast ratio numbers. Contrast ratio is the difference between a TV’s peak brightness and lowest darkness. All you need to know is that a high contrast ratio helps make a picture look good. Manufacturers enjoy pumping up the contrast ratio of their TVs by listing results in unrealistic test settings, Mr. Heinonen said.

■ Unknown TV models. On Black Friday, TV brands also enjoy releasing obscure television sets with model names that are similar to popular sets but with inferior features. “They all do it,” Mr. Heinonen said.

For example, Samsung could hypothetically sell a TV set called MU8020, which sounds similar to the Samsung MU8000, a well-reviewed television. But the unknown TV might lack important features like local dimming.

■ Misleading display technologies. TV makers use confusing terms that may mislead you. LED televisions, for example, sound similar to fancy OLED televisions — but they are just LCD televisions with an LED backlight, Mr. Soneira said. In addition, companies advertise TVs with high dynamic range, but some sets are not even powerful enough to display HDR properly, Mr. Heinonen said.

The New York Times



AI to Track Icebergs Adrift at Sea in Boon for Science

© Jonathan NACKSTRAND / AFP
© Jonathan NACKSTRAND / AFP
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AI to Track Icebergs Adrift at Sea in Boon for Science

© Jonathan NACKSTRAND / AFP
© Jonathan NACKSTRAND / AFP

British scientists said Thursday that a world-first AI tool to catalogue and track icebergs as they break apart into smaller chunks could fill a "major blind spot" in predicting climate change.

Icebergs release enormous volumes of freshwater when they melt on the open water, affecting global climate patterns and altering ocean currents and ecosystems, reported AFP.

But scientists have long struggled to keep track of these floating behemoths once they break into thousands of smaller chunks, their fate and impact on the climate largely lost to the seas.

To fill in the gap, the British Antarctic Survey has developed an AI system that automatically identifies and names individual icebergs at birth and tracks their sometimes decades-long journey to a watery grave.

Using satellite images, the tool captures the distinct shape of icebergs as they break off -- or calve -- from glaciers and ice sheets on land.

As they disintegrate over time, the machine performs a giant puzzle problem, linking the smaller "child" fragments back to the "parent" and creating detailed family trees never before possible at this scale.

It represents a huge improvement on existing methods, where scientists pore over satellite images to visually identify and track only the largest icebergs one by one.

The AI system, which was tested using satellite observations over Greenland, provides "vital new information" for scientists and improves predictions about the future climate, said the British Antarctic Survey.

Knowing where these giant slabs of freshwater were melting into the ocean was especially crucial with ice loss expected to increase in a warming world, it added.

"What's exciting is that this finally gives us the observations we've been missing," Ben Evans, a machine learning expert at the British Antarctic Survey, said in a statement.

"We've gone from tracking a few famous icebergs to building full family trees. For the first time, we can see where each fragment came from, where it goes and why that matters for the climate."

This use of AI could also be adapted to aid safe passage for navigators through treacherous polar regions littered by icebergs.

Iceberg calving is a natural process. But scientists say the rate at which they were being lost from Antarctica is increasing, probably because of human-induced climate change.

 


AMD Predicts Weaker First-Quarter Sales, Shares Plunge on Nvidia Comparisons

An AMD logo and a computer motherboard appear in this illustration created on August 25, 2025. (Reuters)
An AMD logo and a computer motherboard appear in this illustration created on August 25, 2025. (Reuters)
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AMD Predicts Weaker First-Quarter Sales, Shares Plunge on Nvidia Comparisons

An AMD logo and a computer motherboard appear in this illustration created on August 25, 2025. (Reuters)
An AMD logo and a computer motherboard appear in this illustration created on August 25, 2025. (Reuters)

Advanced Micro Devices on Tuesday forecast a slight decline in quarterly revenue, raising concerns about whether it ​can effectively challenge Nvidia in the booming AI market and sending its shares tumbling 8% in after-hours trade.

The lackluster prediction comes despite an unexpected boost from sales of certain artificial intelligence chips to China, which began in the last quarter after the Trump administration approved a license for orders that AMD received in early 2025.

And without those sales to China which generated $390 million, AMD's data-center segment would have missed estimates for the fourth quarter.

AMD said it expects revenue of about $9.8 billion this quarter, plus or minus $300 million. That's down from $10.27 billion in the fourth-quarter which was up 34% year-on-year and ahead of LSEG ‌estimates for $9.67 billion.

PALES ‌NEXT TO NVIDIA

Though AMD is seen as one of the ‌few ⁠contenders ​that can seriously ‌challenge Nvidia, investors noted the stark contrast between the two companies' performances. AMD expects an adjusted gross margin of 55% this quarter. Nvidia has said it expects adjusted gross margin in the mid-70% range during its fiscal 2027.

"The expectations for large blowout quarters for AI-related hardware companies have skewed what the market is looking for," said Bob O'Donnell, president of TECHnalysis Research.

The forecast for the current first quarter includes $100 million from sales to China, where the situation remains "dynamic," AMD CEO Lisa Su said on a conference call with investors.

The US government ⁠has placed restrictions on the exports of advanced chips to China, but AMD received licenses to sell modified versions of its MI300 series ‌of AI chips there. Its MI308 chip competes with Nvidia's H20 ‍chip in China.

OPENAI SALES

AMD has accelerated its ‍product launches and is moving into selling full AI systems to better compete against Nvidia, which now ‍provides "rack-scale" systems that combine GPUs, CPUs and networking gear.

Last year, it entered into a multi-year deal to supply AI chips to ChatGPT-owner OpenAI, which would bring in tens of billions of dollars in annual revenue and give the startup the option to buy up to roughly 10% of the chipmaker.

Su reiterated on Tuesday that the company ​expects sales of a new flagship AI server to OpenAI and others to rise rapidly in the second half of this year, saying a global memory-chip crunch will not ⁠slow its plans.

"I do not believe that we will be supply-limited in terms of the ramp that we put in place," Su said.

BEYOND OPENAI

As Big Tech and governments across the globe double down on investing in AI hardware, shares in Santa Clara, California-based AMD have doubled since the start of 2025, outperforming a 60% bump in the broader chip index.

But analysts remain concerned that AMD's success remains tied to a handful of customers that rivals such as Nvidia could try to poach. Reuters reported this week that Nvidia made a $20 billion move to hire most of chip startup Groq's founders after OpenAI held chip supply discussions with the startup.

"Growth appears concentrated in large deployments and specific regions, and China shipments are significant enough to influence a quarter," said eMarketer analyst Gadjo Sevilla.

Revenue in AMD's key data-center segment grew 39% to $5.38 billion in the ‌fourth quarter. But excluding sales of the MI308, which is a data-center chip, that revenue would have been $4.99 billion, below estimates of $5.07 billion.


Switch 2 Sales Boost Nintendo Results but Chip Shortage Looms

This photo taken on November 4, 2025 shows a woman taking photos of a Super Mario figure at the Nintendo Tokyo store in Tokyo. (AFP)
This photo taken on November 4, 2025 shows a woman taking photos of a Super Mario figure at the Nintendo Tokyo store in Tokyo. (AFP)
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Switch 2 Sales Boost Nintendo Results but Chip Shortage Looms

This photo taken on November 4, 2025 shows a woman taking photos of a Super Mario figure at the Nintendo Tokyo store in Tokyo. (AFP)
This photo taken on November 4, 2025 shows a woman taking photos of a Super Mario figure at the Nintendo Tokyo store in Tokyo. (AFP)

The runaway success of the Switch 2 console drove up Nintendo's net profit by more than 50 percent in the nine months to December, the Japanese video game giant said Tuesday.

But a global memory chip shortage, created by frenzied demand for artificial intelligence hardware, could push up manufacturing costs.

The Switch 2 became the world's fastest-selling games console after launching to a fan frenzy last summer.

It is the successor to the original Switch, which soared in popularity during the pandemic when games such as "Animal Crossing" struck a chord during long lockdowns.

Both are hybrid devices that can be connected to a TV or used on-the-go.

In April-December, net profit jumped 51.3 percent year-on-year to 358.9 billion yen ($2.3 billion), and revenue nearly doubled on-year to 1.9 trillion yen, Nintendo said.

But the firm kept its annual unit sales target for the Switch 2 steady at 19 million, and also held its full-year net profit forecast of 350 billion yen.

"Nintendo Switch 2 got off to a good start following its launch on June 5 and unit sales continued to grow through the holiday season," the company said.

Nearly 17.4 million Switch 2 devices were sold in the nine-month period, it added.

"Maintaining momentum is certainly a big focus for Nintendo," Krysta Yang of the Nintendo-focused Kit and Krysta Podcast told AFP.

A lack of heavy-hitting first-party new games for the Switch 2 in coming months risks hindering growth, although third-party titles such as "Resident Evil Requiem" should help fill the gap, she said.

Nintendo said Tuesday it planned to release "Mario Tennis Fever" this month and "Pokemon Pokopia" in March.

While the firm is diversifying into hit movies and theme parks, consoles remain the core of its business.

The Switch 1 has now sold 155.37 million units -- overtaking the Nintendo DS console to be its best-selling hardware of all time.

But soaring prices for memory chips, used in gaming consoles as well as phones, laptops and other electronics, will likely be a headwind for the company.

Their prices have been pushed up as chipmakers focus on producing the advanced memory chips in huge demand to power AI data centers.

"Nintendo and other console manufacturers are publicly keeping quiet about the impact of the shortage," gaming industry consultant Serkan Toto told AFP.

But "users can forget the past when consoles always became cheaper in tandem with component costs falling over time", with price hikes potentially on the way in 2026, he said.

Yang said she thought a price increase for the Switch 2 "is not out of the question" but added that Nintendo "would likely exhaust all other options" before doing so.