- Sunday, 12 July 2009
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Computer science is no more about computers than astronomy is about telescopes - E.W. Dijkstra
True Copper is mother of all CPU coolers
COPPER IS GREAT for cooling, but it has the fundamental flaw of being overweight. A full sized multi-Heatpipe copper CPU cooler will easily exceed 1Kg, like Thermalright’s True Copper, on review at Legion Hardware. Actually the True borders the 2Kg threshold which, we guess, is a record in itself. It’s one of the best ever coolers, says Steven – if you can overlook the ludicrous size, weight and price ($100). Read it here.
MSI’s Eclipse SLI board is on test at Hexus. The board, while a X58 board, doesn’t sport any Nvidia hardware to support it, so all the work is done on the Intel hardware – so it is effectively capable of Tri-SLI at 16x/16x/4x. The numbers are interesting, and you can see QuadFire and Tri-SLI there.
Xbit Labs has been working on some VGA charts and they’ve got some interesting numbers for this Autumn’s main gaming titles. In a fairly long article, it covers Devil May Cry 4, Dead Space, Race Driver Grid, Mass Effect, The Witcher (Enhanced Edition), Stalker and Spore. Find out which CPU+GPU combo gives you best bang for your buck. Right here.
Tom’s Hardware has started this month’s system building marathon with a $625 gaming budget. An Intel Pentium Dual-Core E5200-based system coupled with an HD 4850 and some serious memory kit will get very playable frame-rates in all but a few titles at 1920x1200. Time to spend some money… get it here.
A while back WD launched their Green drives, hoping to capitalise on the eco-conscious, storage-valuing customer (performance is in the Raptors, anyway). Techware Labs is testing their 1GB, and they think it’s awesome: performance, quietness and low power consumption… Read why.
Samsung’s NC10 netbook is on test at Bit-Tech. Tim, whose experience with netbooks has left him wanting, has found the NC10 to be the One. Yes, long battery life, great ergonomics, muck-proof and not too expensive (although £300 borders on expensive), make up what Bit-Tech thinks is a winner. Read the rave, here.
Apple’s month-old launch of the new MacBooks was coupled with the announcement of the companion 24-inch LCD LED-backlit display. Ars Technica is looking at the display right now, and they’ve seen just how hooked it is on the new MacBook. Lots of nice things you can do with it, including powering up your MacBook… should do well with the new IGP *cough* sorry *cough* mGPU. Get it here.
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I'm really not surprised that Western Digital's new 1GB 3.5" Hard Disk Drive is quiet and power-efficient. It's not exactly frontier technology their pushing, it would seem.
Pure crystalline diamond has about 5 times the thermal conductivity of copper at just under 40% of the density. This should allow dramatically lighter heat sinks (along with dramatically lighter wallets).
Copper as raw material costs about 50 euros a kilogram, so I guess the price is not that insane after all.
I agree, diamond would provide much better thermal conductivity, but it would also be very expensive to manufacture into heatsinks as its such hard material. It wouldn't be worth the cost as people wouldn't buy it.

...and what about lapping. It would take ages to do using regular 1000/1500/2000 grit sand paper.

Ive lapped a thermalright copper heatsink before quite easily.
artificial diamond isnt so expensive, and i imagine you wouldnt mill a block of diamond into a heatsink - more likely it would be of an old slab design like the stock thunderbird or northwood heatsinks, with fins growing out of the top. lay down several sheets of diamond layer up to a certain thickness (tbd by the thermal load and die size) then grow the diamond up in stripes - resulting in fins.