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Monitor Keyboard Mouse Phone 3D Printing RC Cars

Phone

Phones and foldables reviewed on cameras, battery, and the compromises the spec sheet hides.

Two Oppo Find X9 Ultra phones on a stone windowsill, one showing its four-lens camera island, one showing the camera app over distant hills

Oppo Find X9 Ultra stacks two 200MP sensors and a 10x lens

The Oppo Find X9 Ultra dual 200MP zoom covers 14mm to 230mm on glass. See which sensor feeds every step from 0.6x to 30x and where cropping starts.

Xiaomi 17 Ultra Leica edition held in two hands, one finger on the silver rotating ring around the round camera island

Twist the Xiaomi 17 Ultra Leica ring to change exposure

The Xiaomi 17 Ultra Leica zoom ring also sets exposure and white balance, so it works as a digital control rather than a link to the moving glass.

White Galaxy S26 Ultra held up in a candlelit restaurant, its three rear camera lenses facing the viewer

Dim indoor shots brighten on the Galaxy S26 Ultra at f/1.4

The Galaxy S26 Ultra f/1.4 lens is worth 0.56 of a stop over f/1.7. See what that buys in shutter speed and ISO on the same unchanged HP2 sensor.

Three flat silicon-carbon battery cells layered together on a lab bench beside a much thinner smartphone seen edge-on

Samsung is testing an 18,000mAh three-cell phone battery

Samsung's 18,000mAh battery stacks three silicon-carbon cells 12.8mm deep. See the thickness and cycle-life numbers that decide if it ever ships.

Two Galaxy S26 Ultra phones on a desk, one screen-on and one edge-on showing its thin side profile

What keeps the Galaxy S26 Ultra at a 5,000mAh battery?

The Galaxy S26 Ultra 5,000mAh battery holds for a seventh year while rivals pass 7,000mAh. Four explanations weighed, and only one survives.

A large amber smartphone with a full battery over a red China map beside a smaller phone with a half battery over a blue world map

China's phones now carry 1,000mAh more battery than yours

China leads global average phone battery capacity by over 1,000mAh, with 6,000mAh phones jumping from 10% to 29% of world sales in twelve months.

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Popular

Pixel 11 Pro in peach lying on a nightstand with a round magnetic wireless charging puck snapped onto its back panel

Snap a Qi2.2 charger onto the Pixel 11 Pro for 25W speed

Pixel 11 Pro Qi2.2 25W wireless charging is real, but only a certified Qi2.2 charger hits 25W. A MagSafe puck attaches yet falls back to 15W.

Two Oppo Find X9 Ultra phones on a stone windowsill, one showing its four-lens camera island, one showing the camera app over distant hills

Oppo Find X9 Ultra stacks two 200MP sensors and a 10x lens

The Oppo Find X9 Ultra dual 200MP zoom covers 14mm to 230mm on glass. See which sensor feeds every step from 0.6x to 30x and where cropping starts.

Xiaomi 17 Ultra Leica edition held in two hands, one finger on the silver rotating ring around the round camera island

Twist the Xiaomi 17 Ultra Leica ring to change exposure

The Xiaomi 17 Ultra Leica zoom ring also sets exposure and white balance, so it works as a digital control rather than a link to the moving glass.

Lavender Galaxy Z Fold 8 standing half open on a walnut desk beside a closed graphite unit showing its two rear lenses

Samsung dropped the zoom lens from the Galaxy Z Fold 8

Galaxy Z Fold 8 review: the $1,900 foldable drops the telephoto lens, gains a wider 7.6-inch screen, a bigger battery and a near crease-free fold.

Three flat silicon-carbon battery cells layered together on a lab bench beside a much thinner smartphone seen edge-on

Samsung is testing an 18,000mAh three-cell phone battery

Samsung's 18,000mAh battery stacks three silicon-carbon cells 12.8mm deep. See the thickness and cycle-life numbers that decide if it ever ships.

Smartphone chip with two processor cores glowing white-hot and radiating heat while the rest of the die stays cool

At 5.00GHz the Dimensity 9600 Pro trades heat for speed

Dimensity 9600 Pro hits 4,300 in Geekbench 6 single-core with two cores at 5.00GHz, but the clock drops under sustained load on test samples.

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Categories Monitor Keyboard Mouse Phone 3D Printing RC Cars