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英特尔Lunar Lake深度评测：轻薄本有救了！

极客湾Geekerwan

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Intermediate. Assumes working knowledge.

197K views2 years ago1 recommendation

HardwareSystems programmingCPUs and computer architecturePerformance and optimization

Geekerwan evaluates Intel's Lunar Lake SoC, analyzing its performance-per-watt curves, battery life, and efficiency compared to Apple and Qualcomm chips.

我们的Lunar Lake评测来的稍微晚了一点，今天就让我们来好好看看，这颗承载着Intel对轻薄本全新理解的SoC到底能不能捍卫x86在低功耗领域的尊严吧！

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1 person recommends this

What people say. Recommended for its detailed performance-per-watt curves and battery life benchmarks comparing Intel's Lunar Lake to Apple's M-series.

txrx0000on Hacker News • Recommends

On “Ask HN: Why hasn't x86 caught up with Apple M series?”

There is an M-series competitor from Intel that was released last year, codename Lunar Lake. Here's a video about it. Skip to 4:55 for battery life benchmarks. link to this video
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aurareturnon Hacker News • Mentions

On “AMD EPYC Turin delivers better performance/power efficiency than AmpereOne”

M3 on the same N3B node is 2-3x more efficient than Lunar Lake. M3 is also straight up faster. Qualcomm’s X Elite matches or exceeds Intel Lunar Lake on an older N4P node in efficiency and speed. Sources: link link to this video
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aurareturnon Hacker News • Mentions

On “AAA Gaming on Asahi Linux”

No, it’s the other way around. Intel has generally caught up in idle power draw but is still severely behind in performance per watt. link link to this video
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zipityzion Hacker News • Mentions

On “Ask HN: Why hasn't x86 caught up with Apple M series?”

…o) gets nowhere near Apple on 1T perf / W and still loses on 1T perf. Strix Halo uses slower CPUs versus the beastly 9950X below: Fanless iPad M4 P-core SPEC2017 int, fp, geomean: 10.61, 15.58, 12.85 AMD 9950X (Zen5) SPEC2017 int, fp, geomean: 10.14, 15.18, 12.41 Intel 285K (Lion Cove) SPEC2017 int, fp, geomean: 9.81, 12.44, 11.05 Source: link , link to this video The 9950X & 285K eat 20W+ per core for that 1T perf; the M4 uses ~7W. Apple has a node advantage, but no node on Earth gives you 50% less power. There is no contest.…
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zipityzion Hacker News • Mentions

On “Ask HN: Why hasn't x86 caught up with Apple M series?”

It is likely the hardware effiency of their chips. Apple SoCs running industry-standard benchmarks still run very cool, yet still show dominant performance. The OS efficiency helps, but even under extreme stress tests like SPEC, the Apple SoCs dominate in perf & power. See Lunar Lake on TSMC N3B, 4+4, on-package DRAM versus the M3 on TSMC N3B, 4+4, on-package DRAM: link to this video The 258V (TSMC N3B) has a worse perf / W 1T curve than the Apple M1 (TSMC N5).
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txrx0000on Hacker News • Mentions

On “AMD claims Arm ISA doesn't offer efficiency advantage over x86”

It's not the ISA. Modern Macbooks are power-efficient because they have: - RAM on package - PMIC power delivery - Better power management by OS Geekerwan investigated this a while ago, see: link link link to this video Intel and AMD have implemented these improvements with Lunar Lake and Strix Halo. You can buy an x86 laptop with Macbook-like efficiency right now if you know which SoCs to pick. edit: Correction. I looked at the die image of Strix Halo and thought it looked like it had on-package RAM. It does not. It doesn't use PMIC either. Lunar Lake is the only Apple M-series competitor on x86 at the moment.
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txrx0000on Hacker News • Mentions

On “AMD claims Arm ISA doesn't offer efficiency advantage over x86”

I suspect the throttling behavior has to more do with the power settings used during testing or OEM tuning on specific models. link to this video In this video, they show the perf/watt curves at 8:30. And they show the on-battery vs on-wall performance at 18:35 across a wide variety of benchmarks, not just Geekbench. They used a Lenovo YOGA Air 15 on Window 11's "Balanced" power plan for their tests. The narrator specifically noted the Macbook-like on-battery performance.
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