Inside the Snapdragon 855’s iGPU
Qualcomm’s Adreno 6xx architecture has been superseded Adreno 7xx, but it’s still used in countless devices, including the current-gen Snapdragon 8cx Gen 3. Here, I’ll be looking at the Adreno 640 GPU in the Snapdragon 855. Zarif98 on Reddit kindly provided a OnePlus 7…
Can China’s Loongson Catch Western Designs? Probably Not.
We previously looked at Loongson’s 3A5000 and 3A6000. The LA464 and LA664 cores in those chips are the most promising Chinese domestic designs we’ve seen so far. Both are capable of reasonable performance per clock, though absolute performance is still several generations behind current…
Sizing up Qualcomm’s 8cx Gen 3 iGPU
Qualcomm has long harbored ambitions to move up into higher performance segments. Their current Snapdragon 8cx Gen 3 tries to make Qualcomm’s laptop dreams come true, and features in products like Lenovo’s Thinkpad X13s. Laptops have more surface area for cooling and larger batteries,…
Intel Meteor Lake’s NPU
AI is a hot topic and Intel doesn’t want to be left out, so their Meteor Lake mobile processor integrates a Neural Processing Unit (NPU). Intel internally refers to the NPU as “NPU 3720”, though I haven’t seen that name used in marketing materials.…
Raytracing on Meteor Lake’s iGPU
Meteor Lake iGPU is a testament to Intel’s mobile graphics aspirations. It’s almost a quarter of an Arc A770. The Xe-LPG architecture used in Meteor Lake inherits Xe-HPG (A770) traits, including hardware raytracing. Here I’ll note a few observations on Intel’s raytracing implementation, using…
Intel’s Ambitious Meteor Lake iGPU
Intel and AMD both tried to ship iGPUs fast enough to compete with low end discrete cards over the past 10 years with mixed results. Recently though, powerful iGPUs have been thrown back into the spotlight. Handhelds like Valve’s Steam Deck and ASUS’s ROG…
Inside Control Data Corporation’s CDC 6600
Computers fill essential roles in modern, growing economies. Banks, airlines, and other large business have used computers to efficiently handle large amounts of data. As these businesses grow and cope with ever larger datasets, their compute needs will only increase. Control Data Corporation (CDC)…
Why x86 Doesn’t Need to Die
Hackaday recently published an article titled “Why x86 Needs to Die” – the latest addition in a long-running RISC vs CISC debate. Rather than x86 needing to die, I believe the RISC vs CISC debate needs to die. It should’ve died a long time…
The Nerfed FPU in PS5’s Zen 2 Cores
Fritzchens Fritz’s awesome die photos revealed that the Playstation 5’s Zen 2 cores spend less die area on their FPUs than their desktop cousins. Thanks to Brutus, I got to take a closer look at just how AMD got Zen 2’s FPU to drop…
Loongson 3A6000: A Star among Chinese CPUs
Computing power has emerged as a vital resource for economies around the world. China is no exception, and the country has invested heavily into domestic CPU capabilities. Loongson is at the forefront of that effort. We previously covered the company’s 3A5000 CPU, a quad…
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