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Sony Xperia 1 IV vs Sony Xperia 1 III: what’s new?

Sony has just unveiled a new flagship smartphone, but is it really that different from its predecessor?

The Sony Xperia 1 IV has just been unveiled, but in many ways it is similar to its predecessor, the Sony Xperia 1 III.

For example, they have a triple sensor, a 12-megapixel camera system, they share the same screen specs (from size to resolution and refresh rate), as well as almost the same dimensions. One of the phone’s appealing qualities is its solid grip on increasingly unusual features for a flagship, including retaining the 3.5mm headphone jack, SD card slot, and even the notification light – and may it last.

So with all these similarities, how do they actually differ – and are these changes enough to influence your buying decision?

Sony Xperia 1 IV


The camera is the feature that has seen the most changes to date, which may come as a surprise given that it still has a triple 12-megapixel array of sensors.

Now, however, you’ll find that each has Sony’s autofocus and subject tracking, as well as the ability to shoot 4K video at 120fps.

The zoom camera has been particularly improved, now with a true 85-125mm optical zoom, and given that we’ve singled this out as a flaw on the Xperia 1 III, we’re hoping to see real improvements here.


Perhaps the least surprising change of all is the processor upgrade, which is getting a gradual upgrade to Snapdragon 8 Gen 1 instead of Snapdragon 888. We’ve seen improved performance numbers from this new silicon on the phones we’ve tried. , including Xiaomi 12 Pro, OnePlus 10 Pro and Oppo Find X5 Pro, so we also expect improvements over Xperia 1 III.

We haven’t benchmarked the Xperia 1 IV yet, but we’ll see how these phones with the new silicon perform compared to the Sony Xperia 1 III – where Geekbench scores represent processor performance and 3D Mark scores show how the GPU performs.

Comparative Tests

Geekbench 5 single core

Geekbench 5 multi-core

3D stamp – Wildlife


Along with other minor improvements, the battery capacity of the Xperia 1 IV has also been increased. While its predecessor only had a capacity of 4,500 mAh, the new iteration has 5,000 mAh, which should hopefully have a beneficial effect on endurance.

However, the 30W charging speed remains the same between the two, and both also support wireless charging. One annoying difference is that the Xperia 1 IV doesn’t come with a charging box or charging cable, so you’ll have to reuse your existing cable or buy a new one.

SonyXperia1III scrolling apps
Sony Xperia 1 III


Most of the screen’s specs remain the same, including 4K resolution and a 120Hz refresh rate, not to mention the unusual 21:9 aspect ratio that’s well-suited to widescreen content, but a few tweaks have been made, especially with regards to brightness. .

Sony claims that the Xperia 1 IV has a screen 50% brighter than its predecessor and also has a real-time HDR drive that “reproduces a gradation of overexposed and underexposed areas and renders them smoothly.”


The price of a phone is often the most important factor in determining whether or not you should risk buying a phone. There is actually quite a significant difference between the two phones when it comes to cost; The Sony Xperia 1 III cost $1,299 (£1,199) at launch, while its successor has risen significantly to $1,599 (£1,299).

If you’re looking to save money, then the Xperia 1 IV clearly shouldn’t be on your next phone’s shortlist.

Early verdict

As you can see, the two devices aren’t much different from what we know so far, but we still need to try out the Xperia 1 IV and go through our full review process before we can be sure – and the camera’s performance. in particular would certainly require careful consideration.

However, given the striking similarities described above, it currently seems difficult to justify such an exorbitant price jump over the Xperia 1 IV. We would be very surprised if it was worth all these extra costs.

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