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The comparison point here is the Cortex A15 and Cortex A7, but the latter should be quite performance competitive with a Cortex A9 so the comparison is still relevant. The Cortex A15 island in Samsung’s Exynos 5 Octa occupies 5x the die area as the A7 island, and consumes nearly 6x the power. In exchange for 5x the area and 6x the power consumption, the Cortex A15 offers under 4x the performance. It’s not exactly an area or power efficient solution, but a great option for anyone looking to push the performance envelope.

Today, ARM is addressing that hole with the Cortex A12.


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ARM expects the Cortex A12 to be used in mainstream smartphones and tablets where cost and power consumption are a bit more important. The design makes a lot of sense, the only downside is its launch timeframe. ARM expects to be sampling Cortex A12 in late 2014 with the first devices showing up in 2015. ARM has optimized Cortex A12 processor packs at both Global Foundries (28nm SLP) and TSMC (28nm HPM).


Edited by sherlock - 6/2/13 at 9:36pm
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Skylake 1080 FTW
(18 items)
 
XPS 15
(7 items)
 
CPUMotherboardGraphicsRAM
i7-6700K  ASUS Maximus VIII Ranger EVGA 1080 FTW TridentZ DDR4-3000 
Hard DriveHard DriveHard DriveHard Drive
Samsung SM951 128GB Samsung 840 Pro 256 GB Muskin Reactor 1TB Seagate Baracuda 2TB ST2000DM001 HDD 
Hard DriveCoolingOSMonitor
Seagate Baracuda 2TB ST2000DM001 HDD Corsair H110i GT Windows 10 Pro  Acer XB321HK 32" 4K G-sync 
KeyboardPowerCaseMouse
Corsair K70 Rapid Fire EVGA SuperNova 650 P2 NZXT H440 Black Logitech G900  
Mouse PadOther
Razer Vespula CyberPower CP1500PFCLCD - PFC Sinewave UPS Syst... 
CPUMotherboardGraphicsRAM
i7-7700HQ 2.8Ghz(3.8Ghz Turbo) Dell XPS 15-9560 Nvidia GTX 1050 8GB DDR4-2400 
Hard DriveOSMonitor
256GB PCIE SSD Windows 10 Pro 15.6" 1080p 
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Reply