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All topics: 279 matching articles · Showing 217–225

Phantom Black Samsung Galaxy S23 5G from the TECHBUY product catalogue

Oct 02, 20263 min read

Used iPhone 13 or Galaxy S23: ecosystem or camera?

Two compact 6.1-inch phones differ in iOS versus Android routines, 120Hz scrolling and telephoto photography. Judge the actual used units.

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Black Titanium iPhone 15 Pro from the TECHBUY product catalogue

Use & troubleshooting

Oct 02, 20263 min read

Used iPhone 15 Pro: eSIM or physical SIM?

Regional models determine the SIM tray; your carrier, travel and phone-switching habits determine what works. Check the exact used unit.

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Silver Dell 15 laptop displaying an image on its screen

Use & troubleshooting

Oct 02, 20263 min read

Laptop screens: what do 45% NTSC and 100% sRGB change?

Colour gamut matters for editing photos and web content, but it does not guarantee accuracy. Read the specs and test a screen sensibly.

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Lenovo LOQ Essential laptop with dedicated graphics in the TECHBUY range

Buying advice

Oct 02, 20263 min read

Engineering student laptop: integrated or dedicated GPU?

2D drawings, 3D models and simulations place different demands on a laptop. Match the GPU to actual coursework before paying more.

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Black iPhone 15 and iPhone 16 side by side, showing their different dual-camera layouts

Buying advice

Sep 26, 20264 min read

Used iPhone 15 or 16: which generation fits your needs?

Both are 6.1-inch phones. Compare the chip, new controls, macro and Apple Intelligence support alongside the price and condition of each used unit.

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Black iPhone 16 on a photography desk with its side and dual rear cameras visible

Use & troubleshooting

Sep 26, 20264 min read

iPhone 16 Camera Control and Action button: what changes?

The two controls do different jobs. Learn when they save time, how to test them on a used phone and when they are not worth paying extra for.

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Black iPhone 15 and iPhone 15 Pro side by side with their different rear cameras visible

Buying advice

Sep 26, 20264 min read

Used iPhone 15 or 15 Pro: which upgrades earn their price?

Both have 6.1-inch displays and USB-C. ProMotion, the dedicated telephoto camera, Action button and wired transfers make the real difference.

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Illustration of a silver iPhone 17 Pro beside a USB-C storage drive and laptop

Use & troubleshooting

Sep 26, 20264 min read

Filming on iPhone 17 Pro: choose storage and an external drive

Choose between 256GB, 512GB and 1TB by your filming workflow. Understand ProRes and the USB-C drive requirements before spending more.

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Illustration of silver iPhone 17 Pro and Pro Max side by side to compare size

Buying advice

Sep 26, 20264 min read

iPhone 17 Pro or Pro Max: choose by hand feel, display and battery

Both share the Pro chip and camera system. The useful differences are handling, screen space, Apple-rated battery life and the storage options on sale.

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