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AMD roadmaps reveal RDNA 3 and Zen 4 details, promising significant performance improvements

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AMD roadmaps reveal RDNA 3 and Zen 4 details, promising significant performance improvements
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Highly anticipated: AMD’s Financial Analyst Day 2022 has just taken place, and with it came a slew of information about its upcoming and future processors, including Zen 4 and the next-generation RDNA 3 graphics cards. In the case of its CPUs, AMD promises a whopping 35% performance increase over Zen 3, while the GPUs offer a 50% performance per watt uplift.

AMD’s desktop CPU roadmap confirms some facts about Zen 4. Firstly, the company’s 3D V-cache technology used in the Ryzen 7 5800X3D will be part of the new processor series, though it never revealed how many chips will utilize it and whether they will launch alongside the new processors. As a reminder, the Ryzen 7 5800X3D stacks a 41mm2 die containing only L3 cache over the Zen 3 core complex die, increasing the amount of L3 cache from 32MB to 96MB.

When AMD discussed Zen 4 at Computex last month, it promised a greater than 15% single-thread performance uplift over Zen 3. It now says overall performance improvement is 35% greater than the current generation. It is not clear if this refers to single-threaded or multi-threaded performance, or a combination of both.

We know that Zen 4 will benefit from increased clock speeds. This is an area in which AMD has been largely ignored by Intel. The processor it showed off at Computex, believed to be a prototype of the Ryzen 9 7950X, ran at 5.5 GHz on “most” threads when running a Ghostwire Tokyo demo, and the company later confirmed the CPU was not overclocked.

We also see Zen 4c (Bergamo) on the roadmap, which increases the standard maximum Zen 4 core count from 96 to 128, and mention of the 4nm process–an enhanced 5nm node that will be used in the mobile Phoenix Point line that mixes Zen 4 cores, RDNA 3 graphics, and Xilinx’s Artificial Intelligence Engine (AIE).

Elsewhere, the roadmaps show that the Threadripper family is getting the Zen 4 treatment. AMD has been accused of letting AMD’s brand go, although we aren’t sure if the Threadripper Pro series, which was part of Zen 3, will also be included in the next-generation chips.

As for Zen 5, codenamed Granite Ridge and likely called the Ryzen 8000 series, it will be built on the 4nm/3nm processes, use the same AM5 socket as Zen 4, and is set to arrive in 2024.

Jumping to AMD’s graphics cards and RDNA 3, the highlight statistic is that the architecture will offer a 50% performance per watt uplift over RDNA 2, which sounds enticing but should be taken with some salt as it will likely be a best-case scenario. The flagships will still be power hungry. Whether they will rival the rumored RTX 4090/4090 Ti’s 600W to 800W remains to be seen.

Built on 5nm process technology by TSMC, RDNA 3 will look like Zen 4. It boasts “advanced multimedia capabilities” such as AV1 encode/decode support and comes with DisplayPort 2.0 support to deliver uncompressed 4K gaming at 240Hz thanks to the 80Gbps of bandwidth.

Other new features include a reworked computation unit (CU), and the next-generation Infinity Cache. RDNA 3 GPUs will be returning to a chiplet design. This has been rumored for a while. This will be the first time AMD uses the design in consumer cards, since the Vega era.

AMD confirmed RDNA 4’s existence. It’s based on the 3nm process and should launch in the same year as Zen 5: 2024.

The Zen 4 CPUs are due to be launched later in the year, along with RDNA 3 graphics cards.

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Nothing announces official launch date for new Ear (stick) AirPods alternatives

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Nothing announces official launch date for new Ear (stick) AirPods alternatives
Nothing Ear (stick) held by a model on white background



(Image credit: Nothing )

True to form, Nothing has just announced the full reveal date for its upcoming audio product, Ear (stick). 

So, an announcement about an announcement. You’ve got to hand it to Carl Pei’s marketing department, they never miss a trick.

What we’re saying is that although we still have ‘nothing’ conclusive about the features, pricing or release date for the Ear (stick) except an image of another model holding them (and we’ve seen plenty of those traipsing down the catwalk recently), we do have a date – the day when we’ll be granted official access to this information. 

That day is October 26. Nothing assures us that on this day we’ll be able to find out everything, including pricing and product specifications, during the online Ear (stick) Reveal, at 3PM BST (which is 10AM ET, or 1AM on Wednesday if you’re in Sydney, Australia) on nothing.tech (opens in new tab)

Any further information? A little. Nothing calls the Ear (stick), which is now the product’s official name, “the next generation of Nothing sound technology”, and its “most advanced audio product yet”. 

But that’s not all! Apparently, Ear (stick) are “half in-ear true wireless earbuds that balance supreme comfort with exceptional sound, made not to be felt when in use. They’re feather-light with an ergonomic design that’s moulded to your ears. Delivered in a unique charging case, inspired by classic cosmetic silhouettes, and compactly formed to simply glide into pockets.” 

Opinion: I need more than a lipstick-style case

Nothing Ear (stick) – official leaked renders pic.twitter.com/FrhKmRttmiOctober 1, 2022

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It’s no secret that I want Nothing’s earbuds to succeed in world dominated by AirPods; who doesn’t love a plucky, eccentric underdog? 

But in order to become some of the best true wireless earbuds on the market, there is room for improvement over the Nothing Ear 1, the company’s inaugural earbuds. 

Aside from this official ‘news’ from Nothing, leaked images and videos of the Ear (stick) have been springing up all over the internet (thank you, developer Kuba Wojciechowski) and they depict earbuds that look largely unchanged, which is a shame. 

For me, the focus needs to shift from gimmicks such as a cylindrical case with a red section at the end which twists up like a lipstick. Don’t get me wrong, I love a bit of theater, but only if the sound coming from the earbuds themselves is top dog. 

As the natural companions for the Nothing Phone 1, it makes sense for the Ear (stick) to take a place similar to that of Apple’s AirPods 3, where the flagship Ear (1) sit alongside the AirPods Pro 2 as a flagship offering. 

See, that lipstick case shape likely will not support wireless charging. That and the rumored lack of ANC means the Ear (stick) is probably arriving as the more affordable option in Nothing’s ouevre. 

For now, we sit tight until October 26. 

Becky is a senior staff writer at TechRadar (which she has been assured refers to expertise rather than age) focusing on all things audio. Before joining the team, she spent three years at What Hi-Fi? testing and reviewing everything from wallet-friendly wireless earbuds to huge high-end sound systems. Prior to gaining her MA in Journalism in 2018, Becky freelanced as an arts critic alongside a 22-year career as a professional dancer and aerialist – any love of dance starts with a love of music. Becky has previously contributed to Stuff, FourFourTwo and The Stage. When not writing, she can still be found throwing shapes in a dance studio, these days with varying degrees of success.  

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YouTube could make 4K videos exclusive to Premium subscribers

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YouTube could make 4K videos exclusive to Premium subscribers
Woman watching YouTube on mobile phone screen



(Image credit: Shutterstock / Kicking Studio)

You might soon have to buy YouTube Premium to watch 4K YouTube videos, a new user test suggests.

According to a Reddit thread (opens in new tab) highlighted on Twitter by leaker Alvin (opens in new tab), several non-Premium YouTube users have reported seeing 4K resolution (and higher) video options limited to YouTube Premium subscribers on their iOS devices. For these individuals, videos are currently only available to stream in up to 1440p (QHD) resolution.

The apparent experiment only seems to be affecting a handful of YouTube users for now, but it suggests owner Google is toying with the idea of implementing a site-wide paywall for access to high-quality video in the future.

So, after testing up to 12 ads on YouTube for non-Premium users, now some users reported that they also have to get a Premium account just to watch videos in 4K. pic.twitter.com/jJodoAxeDpOctober 1, 2022

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It’s no secret that Google has been searching for new ways to monetize its YouTube platform in recent months. In September, the company introduced five unskippable ads for some YouTube users as part of a separate test – an unexpected development that, naturally, didn’t go down well with much of the YouTube community. 

A resolution paywall seems a more palatable approach from Google. While annoying, the change isn’t likely to provoke the same level of ire from non-paying YouTube users as excessive ads, given that many smartphones still max out at QHD resolution anyway. 

Of course, if it encourages those who do care about high-resolution viewing to invest in the platform’s Premium subscription package, it may also be more lucrative for Google. After all, YouTube Premium, which offers ad-free viewing, background playback and the ability to download videos for offline use, currently costs $11.99 / £11.99 / AU$14.99 per month.

Suffice to say, the subscription service hasn’t taken off in quite the way Google would’ve hoped since its launch in 2014. Only around 50 million users are currently signed up to YouTube Premium, while something close to 2 billion people actively use YouTube on a monthly basis. 

Might the addition of 4K video into Premium’s perk package bump up that number? Only time will tell. We’ll be keeping an eye on our own YouTube account to see whether this resolution paywall becomes permanent in the coming months.

Axel is a London-based staff writer at TechRadar, reporting on everything from the newest movies to latest Apple developments as part of the site’s daily news output. Having previously written for publications including Esquire and FourFourTwo, Axel is well-versed in the applications of technology beyond the desktop, and his coverage extends from general reporting and analysis to in-depth interviews and opinion. 

Axel studied for a degree in English Literature at the University of Warwick before joining TechRadar in 2020, where he then earned a gold standard NCTJ qualification as part of the company’s inaugural digital training scheme. 

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Europe sets deadline for USB-C charging for (almost) all laptops

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Europe sets deadline for USB-C charging for (almost) all laptops

USB-C als Ladestandard in der EU

Mundissima / Shutterstock


Author: Michael Crider
, Staff Writer

Michael is a former graphic designer who’s been building and tweaking desktop computers for longer than he cares to admit. His interests include folk music, football, science fiction, and salsa verde, in no particular order.

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