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iPad Pro M4芯片详细分析

M4芯片采用台积电第二代3纳米工艺制程,大核频率最高4.5GHz,小核2.88GHz,频率达到了intel Ultra5水平。GPU频率1.47Ghz,相比M3小幅提升。

CPU方面,大核解码单元从上代9宽提升至10宽,同时引入SME单元。SPEC 2017峰值性能测试大核整数性能较上代提升18.9%,浮点提升25.4%,为M系列提升最大一次,同时峰值功耗增加约60%。相比i9 14900K,M4大核4.5GHz下比intel 6GHz下高出23%!日常状态,IPC(分/GHz)大核较上代提升7.3%,小核8.6%。GeekBench 6测试单核4000分比至今未上市的高通X Elite高出1000分。GeekBench5结果单核大幅超越Ultra 9,多核接近Ultra9,超越R9-8954HS。

GPU方面则是常规成绩,较上代提升约10%,同时功耗提升约10%,侧面说明台积电新工艺并未带来能效提升。

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iPad Pro M4芯片详细分析

M4芯片采用台积电第二代3纳米工艺制程,大核频率最高4.5GHz,小核2.88GHz,频率达到了intel Ultra5水平。GPU频率1.47Ghz,相比M3小幅提升。

CPU方面,大核解码单元从上代9宽提升至10宽,同时引入SME单元。SPEC 2017峰值性能测试大核整数性能较上代提升18.9%,浮点提升25.4%,为M系列提升最大一次,同时峰值功耗增加约60%。相比i9 14900K,M4大核4.5GHz下比intel 6GHz下高出23%!日常状态,IPC(分/GHz)大核较上代提升7.3%,小核8.6%。GeekBench 6测试单核4000分比至今未上市的高通X Elite高出1000分。GeekBench5结果单核大幅超越Ultra 9,多核接近Ultra9,超越R9-8954HS。

GPU方面则是常规成绩,较上代提升约10%,同时功耗提升约10%,侧面说明台积电新工艺并未带来能效提升。

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关注频道 @ZaiHuaPd
频道投稿 @ZaiHuabot
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However, analysts are positive on the stock now. “We have seen a huge downside movement in the stock due to the central electricity regulatory commission’s (CERC) order that seems to be negative from 2014-15 onwards but we cannot take a linear negative view on the stock and further downside movement on the stock is unlikely. Currently stock is underpriced. Investors can bet on it for a longer horizon," said Vivek Gupta, director research at CapitalVia Global Research.

Should I buy bitcoin?

“To the extent it is used I fear it’s often for illicit finance. It’s an extremely inefficient way of conducting transactions, and the amount of energy that’s consumed in processing those transactions is staggering,” the former Fed chairwoman said. Yellen’s comments have been cited as a reason for bitcoin’s recent losses. However, Yellen’s assessment of bitcoin as a inefficient medium of exchange is an important point and one that has already been raised in the past by bitcoin bulls. Using a volatile asset in exchange for goods and services makes little sense if the asset can tumble 10% in a day, or surge 80% over the course of a two months as bitcoin has done in 2021, critics argue. To put a finer point on it, over the past 12 months bitcoin has registered 8 corrections, defined as a decline from a recent peak of at least 10% but not more than 20%, and two bear markets, which are defined as falls of 20% or more, according to Dow Jones Market Data.

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