this post was submitted on 24 Jun 2024
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Not sure why you'd want an ARM-based handheld to play PC games at this point in time. Pretty much all PC games are available in x86 only, and any efficiency gains these fancy new ARM chips supposedly have will be lost when translating x86 to ARM.
Not a given. Translating can still be more efficient.
If both AMD/Intel and Qualcomm do a good job with their core design and the same process node is used, I don't see how a translation layer can be any faster than a CPU natively supporting the architecture. Any efficiency advantages ARM supposedly has over x86 architecturally will vanish in such a scenario.
I actually think the efficiency of these new Snapdragon chips is a bit overhyped, especially under sustained load scenarios (like gaming). Efficiency cores won't do much for gaming, and their iGPU doesn't seem like anything special.
We need a lot more testing with proper test setups. Currently, reviewers mostly test these chips and compare them against other chips in completely different devices with a different thermal solution and at different levels of power draw (TDP won't help you much as it basically never matches actual power draw). Keep in mind the Snapdragon X Elite can be configured for up to "80W TDP".
Burst performance from a Cinebench run doesn't tell the real story and comparing runtimes for watching YouTube videos on supposedly similar laptops doesn't even come close to representing battery life in a gaming scenario.
Give it a few years/generations and then maybe, but currently I'm pretty sure the 7840U comfortably stomps the X Elite in gaming scenarios with both being configured to a similar level of actual power draw. And the 7840U/8840U is AMD's outgoing generation, their new (horribly named) chips should improve performance/watt by quite a bit.
Not what i am saying. I said that it is not a given, that translation means less performance.
In theory you can achieve similar or even higher performance, all depending on how well or how bad the original machine code is. Especially when you can optimize it for a specific architecture or even a specific CPU.
And yes ARM has shown to be more power efficient then x86 CPUs even on higher load (not just low powered embedded stuff).