Articles by John Loeffler, Components Editor

John (He/Him) is the Components Editor here at TechRadar and he is also a programmer, gamer, activist, and Brooklyn College alum currently living in Brooklyn, NY.

Named by the CTA as a CES 2020 Media Trailblazer for his science and technology reporting, John specializes in all areas of computer science, including industry news, hardware reviews, PC gaming, as well as general science writing and the social impact of the tech industry.

John has a Bachelor’s degree in English and is currently in the wrapping up a Master’s program in Computer Science, where he spends his evenings building digital circuits, multiboxing Linux kernels, and coding shell scripts.

You can usually find him on Bluesky (@@johnloeffler.bsky.social) where you’ll get hot takes on stuff as well as reposting content that is almost as good as the worst content you used to be able to find on Vine.

Articles by: John Loeffler

An Nvidia GeForce RTX 5080 resting on an RTX 5090 on a gray crafting mat.

How to choose a graphics card

By John Loeffler published 29 March 25

I've spent hundreds of hours testing GPUs, and I'm here to show you how to choose a graphics card for your PC.

A Samsung 9100 Pro sitting on top of its retail packaging

Samsung 9100 Pro review: Samsung's first true PCIe 5.0 drive is the best there is

By John Loeffler last updated 26 March 25

Recommended

The Samsung 9100 Pro is Samsung's first 'true' PCIe 5.0 drive, and it offers best-in-class performance across the board.

I test SSDs for a living, and this is the best SSD deal I'd spend my money on this week

By John Loeffler published 26 March 25

Grab the Samsung 990 Pro for a huge discount right now

Best Adobe Audition alternative of 2025

By Kieron Moore last updated 21 March 25

Updated We test the best alternatives to Adobe Audition for music and podcast production

Best photo editing PC of 2025: Our top-rated picks for photographers and creators

By Steve Clark last updated 13 March 25

Updated We tested and reviewed all the best computers for photo editing

An AMD Ryzen 9 9950X3D on its retail packaging

AMD Ryzen 9 9950X3D review: truly the best there is

By John Loeffler published 11 March 25

Best in Class

The Ryzen 9 9950X3D offers outstanding performance at every level, but its price will definitely put some people off.

The Apple MacBook Air next to the Dyson Supersonic R and new AMD GPU

ICYMI: the week's 7 biggest tech stories from the best tech at MWC to Apple's new iPads and MacBooks

By Hamish Hector published 8 March 25

The week's 7 biggest tech stories from MWC, Apple, Meta and more for March 8, 2025.

An AMD Radeon RX 9070 XT made by Sapphire on a table with its retail packaging

AMD Radeon RX 9070 XT review: delivering what the market needs with stunning performance at a great price

By John Loeffler published 5 March 25

The AMD Radeon RX 9070 XT is the best graphics card of this generation for gamers, especially those disappointed by Nvidia's latest offerings.

A Mac Studio display, one of the best monitors for Mac Studio, against a techradar background

Best monitor for Mac Studio of 2025: top displays for Apple's creative workstation

By John Loeffler last updated 4 March 25

Updated We reviewed the best Mac Studio monitors for creative professionals.

I really wanted to like the Nvidia GeForce RTX 5070, but it broke my heart and it shouldn't have to break yours, too

By John Loeffler published 4 March 25

The Nvidia GeForce RTX 5070 offers very little over the RTX 4070 Super or competing cards other than Multi Frame Generation.

A chip wafer manufactured at Intel Foundry

Can 18A save Intel from being devoured by its rivals – and Wall Street?

By John Loeffler published 24 February 25

Intel's 18A process technology is finally ready, but will it be enough to fend off the wolves?

Devolo Magic 2 Wi-Fi 6 Mesh on a wooden desk

Best powerline adapter of 2025

By Steve Clark last updated 24 February 25

Updated The best powerline adapters provide a simple route to extending your home network.

A Dell 6K monitor against a techradar background

Best Apple Studio Display alternatives of 2025: top monitors from 4K to 8K

By John Loeffler last updated 24 February 25

Updated We tested out the best alternatives to the Apple Studio Display

An Nvidia GeForce RTX 5070 Ti on a table with its retail packaging

Nvidia GeForce RTX 5070 Ti review: nearly perfect, but with one major flaw

By John Loeffler published 20 February 25

Recommended

The Nvidia GeForce RTX 5070 Ti offers the gen-on-gen uplift that enthusiasts demand with outstanding performance across the board while keeping its price relatively reasonable.

A network switch with dark pink cables attached

Best network switch of 2025: Top picks for boosting Wi-Fi speeds with wired connections

By Desire Athow last updated 19 February 25

Updated Add more wired connections with our top picks for the best network switches.

One of the fastest PC and workstations, the Mac Studio, on a white rug

Fastest PCs and workstations of 2025

By Desire Athow last updated 19 February 25

Updated We compare the fastest PCs and workstations by performance, need, and cost - and these machines we recommend.

Illustration of a CPU with beams emerging from it

The fastest CPU of 2025

By Desire Athow last updated 15 February 25

Updated The fastest CPUs out there so you can get the best performance for your needs

Best scanner of 2025: top scanners for home and office

By Collin Probst last updated 14 February 25

Updated We review the best scanner for the home and office - and these are our top picks.

A Dell webcam, one of the best business webcam picks, against a techradar background

The best business webcam of 2025: stream and conference with our top picks

By John Loeffler last updated 12 February 25

Updated We compare the best business webcams for the home and office.

The best Nvidia RTX 3070 laptops 2025: play in 1440p wherever you go

By Christian Guyton last updated 4 February 25

The best RTX 3070 laptops offer a great balance between price and performance, and we've rounded up our top picks to help you find the one that's right for you.

Fastest hard drive 2025

By Desire Athow last updated 30 January 25

Updated Looking for the fastest hard drive? Whether you’re looking to assemble your server or replace the hard drive in your PC, we've got you covered.

An Nvidia GeForce RTX 5080 on a desk with its retail packaging

Nvidia GeForce RTX 5080 review: nearly RTX 4090 performance for a whole lot less

By John Loeffler published 29 January 25

Best in Class

The Nvidia GeForce RTX 5080 brings RTX 4090-like performance closer to the mainstream.

The best 2-in-1 Chromebook 2025: top hybrid Chromebooks for students and more

By John Loeffler last updated 28 January 25

Buying Guide The best 2-in-1 Chromebooks are some of the most affordable hybrid laptops out there and still pack plenty of power.

And Nvidia RTX 5090 vs RTX 4090 against a two tone techradar background

Nvidia RTX 5090 vs RTX 4090: we put Nvidia's best graphics cards head-to-head

By John Loeffler published 26 January 25

We put the Nvidia RTX 5090 vs RTX 4090 to see which is the right card for you.

Nvidia GeForce RTX 5090 review: the supercar of graphics cards

By John Loeffler published 23 January 25

Best in Class

The Nvidia GeForce RTX 5090 is incredibly powerful, but its best features likely won't be practical for years to come.

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