Zoom / Arm Cortex X3 brings some modest improvements.
Promises
After a dramatic journey not to be bought by Nvidia, Arm announced its latest flagship processors. Coming soon in your Android devices for 2023, we have Cortex-X3 and Arm Cortex-A715 processors.
As usual, these designs will be part of a cluster CPU system on a chip. Assuming the normal layout, the proposed Arm design will have a SoC 2023 with one large Cortex-X3 core, three medium-core Cortex-A715 processors and four small Cortex-A510 cores, which are returning from the current generation.
Arm promises that the X3 processor will improve by 25 percent compared to the X2, while the Cortex A715 claims a “20 percent increase in energy efficiency and a 5 percent increase in performance” compared to the current generation Cortex A710. Arm claims that the A715 is as fast as the 2020 Cortex X1 processor. The A715 also lacks 32-bit support, making it the last part of our theoretical flagship SoC that goes beyond just 64-bit. The smaller A510 processor is back, but Arm says it’s an “updated version” with a 5% power reduction.
An improvement of 25% over the previous year only for the largest processor will not ignite any graphs for benchmarks. For reference, our testing showed that Apple’s A15 is about 38 percent faster (in single-core and multi-core tests) than the best Android phones, and only an increase in the single large processor by 25 percent will mean that 2,023 phones with Android will still be much slower than the 2021 iPhone. Apple uses the Arm architecture, but not the Arm design, as Apple seems to be a better designer of Arm chips.
Zoom / Arm Cortex X3 brings some modest improvements.
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One hand away from the actual products
The Arm message is only for designs that other companies can use for a real consumer chip, and most of the time it means Qualcomm or Samsung SoC. The distance between Arm and the final product means that you have to accept the company’s performance claims with distrust, as it still has to be filtered through someone else’s implementation of Arm’s design. Last year, none of the Arm X2’s predictions came true. The company promised a “30 percent faster” processor, when in fact the X2-based chips on the market were slower or equal to the X1 chips from the previous year.
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There are already rumors that Qualcomm will not use Arm’s proposed SoC layout for its 2023 chip, the Snapdragon 8 Gen 2 SoC. Rumor has it that Qualcomm’s layout will be one Cortex X3, two Cortex A720, two A710 CPUs of the current generation and three A510 CPUs. The justification for this would be that Qualcomm still does not want to completely abandon 32-bit support for the Chinese market, and the slide of two A710 processors from 2022 next year will continue the 32-bit train.
Arm has also announced a new GPU design that is not typically used by most vendors. Qualcomm has its own Adreno GPU division, and Samsung already produces AMD GPUs. The best bet to see a leading Arm graphics processor in a product is with the rare flagship Mediatek SoC. For what it’s worth, the new ARM GPU has a new brand called “Immortalis GPU”. The Immortalis-G715 is the first GPU designed by Arm with hardware beam tracking (Samsung and AMD announced a similar feature last year). Arm claims that the graphics processor is 15 percent faster than last year.
Zoom / Arm tells its partners to go crazy with big M2 chip designs, but we’re not sure anyone is listening.
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Arm also hopes that suppliers will increase Arm chips with SoC designs designed for laptops and desktops. The company introduced a new configuration that will include eight X3 processors, four A715 processors and zero small cores. Arm tried to come up with the same idea last year when it offered a chip with eight X2 processors, but we don’t think anyone has accepted that offer from the company. Qualcomm plans to possibly attack the laptop market in late 2023 with chips designed since the acquisition of Nuvia.
Image of the list by Arm
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