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Although the CPU core is mated to a 512KB L2 cache, there's a separate 256KB low power SRAM that runs on its own voltage plane. This ULP SRAM holds CPU state and data from the L2 cache when the CPU is power gated in the deepest sleep state. The reasoning for the separate voltage plane is simple. Intel's architects found that the minimum voltage for the core was limited by Vmin for the ULP SRAM. By putting the two on separate voltage planes it allowed Intel to bring the CPU core down to a lower minimum power state as Vmin for the L2 is higher than it is for the CPU core itself. The downside to multiple power islands is an increase in die area.
HTC Sensation, Motorola Droid 3, iPhone 4S, LG Optimus 2X and Samsung Galaxy S 2
Intel's XMM 6260 HSPA+ modem (LTE) TI's 1283 1024 x 600 panels, with upport for 1080p30 output via HDMI 1.6GHz max CPU clock/ 400MHz GPU clock
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原帖由 jackli 於 2012-1-11 21:07 發表 出貨先講LA
原帖由 qcmadness 於 2012-1-11 21:10 發表 出到既
原帖由 jackli 於 2012-1-11 21:11 發表 出到果陣上面果個表已經out左半年 :o)
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吹水王
原帖由 ccw 於 2012-1-11 21:20 發表 I just knew Intel and its x86 will rule.
原帖由 DICKXDV 於 2012-1-11 21:35 發表 Medfield 係 X86?
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原帖由 qcmadness 於 2012-1-11 21:20 發表 其實仲有一樣野係未知既 (price) 斷估就算佢勁過Tegra 2一大截, 都唔會同佢鬥價 (us$1x)
原帖由 qcmadness 於 2012-1-11 20:27 發表 http://www.anandtech.com/show/53 ... e-for-smartphones/1 19390 This is what should have been done by Intel: http://images.anandtech.com/doci/5262/Screen%20Shot%202011 ...
原帖由 Henry 於 2012-1-11 21:38 發表 玩贏Ti/Qualcomm/Samsung已經夠啦.
原帖由 Henry 於 2012-1-11 21:42 發表 今次班ARM大帝大檸樂. 22nm要上就上,省電更上一層樓,而且貨要幾多有幾多,對班手機生產商都咪話唔吸引. NV呢D賤價王我怕變左AMD,頭啖湯都無得食. ...
The A15 is a far more modern design, also out of order but much wider than A9. I fully expect that something A15-class can outperform Medfield, especially if the former is in a dual-core configuration. Krait falls under the A15-class umbrella so I believe Medfield has the potential to lose its CPU performance advantage within a couple of quarters.
原帖由 ccw 於 2012-1-11 21:45 發表 Though Intel dished something interesting finally, the war has yet to be over. How long would it take for Intel to make a follow up?