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Update (2/27): Even more contradicting information on the Intel Ivy Bridge saga has come to light this past weekend. Sean Maloney, executive VP of Intel, told the Financial Times that the upcoming processor would not be shipping in April but some time between May and June. The only part where everyone seems to agree on is that whenever time comes, Intel won't have much in the way of competition for their latest processors.
Intel had previously given an ambiguous “spring” launch estimate, with many believing the firm would ship the chips earlier rather than later, with some even predicting a mid-to-end March arrival.
Many of you were bummed about the delay of Intel's next-generation processing architecture, but as it turns out, the rumor might only be partly accurate. DigiTimes reported last week that volume shipments of Ivy Bridge were pushed from April to June so notebook vendors could flush their existing Sandy Bridge parts. VR-Zone now has it on good authority (no sources named, however) that only dual-core mobile chips are delayed, while quad-core notebook CPUs and all desktop parts remain on track for April.
In less speculative developments, Intel's Scott Siers and Dadi Perlmutter spoke at the International Solid-State Circuits Conference (ISSCC) in San Francisco, revealing a few new details about Ivy Bridge among other technologies. During his keynote, Siers said Ivy Bridge has 20 PCI Express 3.0 interconnect lanes (up from Sandy Bridge's 16 lanes) as well as an integrated DisplayPort controller, which supports three screens including one 1.6GHz and two 2.7GHz links with four lanes each, says EE Times.
Ivy Bridge variants will span up to 8MB in cache and like previous chips, they'll have a built-in memory controller and graphics core, which now supports DDR3L DRAM and DirectX 11. Siers said Intel spent a lot of time on the modularity of its latest die so it can quickly create different versions. The largest die has four x86 cores and a large graphics block, which can be split along its x or y axis using automated tools to produce models with two cores or a smaller graphics block. Here are a few other tidbits:
It remains to be seen how much of a performance boost the 22nm parts will bring, but EXPreview has published tests of a Core i5-3570K engineering sample. The site compares Ivy Bridge's HD Graphics 4000 core with the Core i5-2500K's HD Graphics 3000. Unsurprisingly, there's a noticeable improvement. The site reports a 71.59% jump in frame rate when running Left 4 Dead 2 at 1280x720. At the same res with medium-high settings, there's a 30-85% boost in StarCraft 2, Dirt 3, Street Fighter IV and Far Cry.
All of those games ran at playable frame rates with SC2 being the lowest at 29.3fps (fine for a real-time strategy title). Unfortunately, compared to the entry-level GeForce GT 240 1GB, the HD Graphics 4000 still looked fairly anemic. On average, the discrete Nvidia card pumped nearly 36% more frames with more than 60fps in all but one of the games (Far Cry at 51.6fps). EXPreview also ran 3DMark 11 to test the GPU's DX11 performance. The total score was only 1478 with frame rates largely in the single digits.
The Intel Core i7 2600K features 4 cores with 8 concurrent threads when using Hyper-Threading, it operates at 3.40GHz with a Turbo Boost frequency of 3.80GHz, it is designed to work with DDR3-1333 memory and feature an 8MB L3 cache. Last but not least, the Core i7 2600K uses the Intel HD Graphics 3000 engine.
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