On Sat, Apr 13, 2013 at 07:03:26AM +0200, Tamer Higazi wrote: > Hi people! > My old core2duo machine says slowly goodbye and I am at this lever after > 7 years for buying myself a new developer machine, that should serve me > well for a long time again. With intel I never had problems, all their > systems were REALLY stable, and they were really worth their money up to > the last cent.
Same situation here -- Core2 Duo T7200 (2 GHz max, but throttled due to worn-down heatpipe). I'll be buying a new system, too, soon. As to the other issues of the thread: all intel Cores have VT-x (including Core2, by the way), which is basic virtualisation support. What only a select few have is VT-d, which is I/O virtualisation. As for the confusion about model range and hyperthreading, Wikipedia has a very nice comparison chart of all available models: http://en.wikipedia.org/wiki/Ivy_Bridge_(microarchitecture)#Desktop_processors Basically: i3 = dual-core with HT (2 physical/4 logical cores), no turbo mode i5 = quad-core without HT (4/4, except one low-TDP model, which is 2/4) i7 = quad-core with HT (4/8) I don't know the technical details very well, but because my Netbook has a single-core CPU with HT, I read up on it a bit. As I understand it, HT allows two threads to use the same core simultaneously, if they don't use the same instruction circuitry. Hence a hyper-threaded single-core is not as fast as a proper dual-core, because sometimes one thread still has to wait. > There are 3 choices: > > Intel Xeon E5-2650 > Core i7 3979 extreme edition > AMD FX.8350 CPU Everything Intel with Extreme in the name is, in my opinion, overpriced for its bang. If you really need as much bang as possible and afford it (like when you earn your money with that bang), then why not. But if you say your Core2 served you well, then you could go a more pragmatic approach of "3 times more power than before is enough for me" and save a few 100 bucks, or maybe invest in a bigger SSD instead. I'm currently holding out on my Core2 though, because Haswell is on the doorstep, and I first wanna see what the market has to offer. The CPU part might not gain much in performance, but the graphics part got a big boost and all models support VT-d now (according to cpu-world.com). Plus theoretically I'm a bit more future-proof due to the new socket (which is probably the most annoying thing about the Intel world, compared to AMD). -- Gruß | Greetings | Qapla’ Please do not share anything from, with or about me with any Facebook service. Nowadays you must motivate your people, yelling alone doesn’t help anymore.
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