topic Re: Itanium vs Opertron in Integrity Servers

Itanium vs Opertron

Jimmy Tom_2 — Thu, 26 Feb 2004 12:46:00 GMT

Can anyone direct me to technical infomation that explain why Itanium is a better chip architect than the Operton? Thanks

Re: Itanium vs Opertron

Roger Faucher — Thu, 26 Feb 2004 14:45:01 GMT

Hello:

Here's a link to information about the Itanium-2. It's from an admittedly biased source - Intel's website:
http://www.intel.com/business/bss/products/server/itanium2/index.htm

here's a link to AMD's website for the Opteron processor:

http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_8796,00.html

HTH

Roger

Re: Itanium vs Opertron

Joshua Scott — Thu, 26 Feb 2004 16:21:33 GMT

Well, I searched for itanium vs opteron on google, and found a few people that compared them, but nothing really 'technical'.

http://www.aceshardware.com/read.jsp?id=60000275

What I gather from what i've heard is that the Itanium 2 is directed at the higher-end server market, while the opteron is aimed for the desktop through 4-way windows CPU.

Itanium is:
more expensive
more scalable
fastest on TPC-C ratings
more cache (6MB compared with 1MB for opteron.)

Of course a big advantage is that the Itanium runs HP-UX, while the opteron doesn't.

Josh

Re: Itanium vs Opertron

Naveej.K.A — Fri, 27 Feb 2004 01:57:14 GMT

HI Jimmy,

On the technical specifications side, the i advantage what i see for the Intel Itanium over AMD Operton is only a few.

1. Itanium2 has got something called L3 cache which varies from 3MB to 4MB to 6MB depending on the type of processor you are chosing.

2. HP-UX is supported by Itanium2 whereas AMD Opetron doesn't support

3. Itanium has less power dissipation compared to the AMD Opetron..

With best wishes.
naveej

Re: Itanium vs Opertron

Sunil Jerath — Fri, 27 Feb 2004 03:25:47 GMT

Hello Jimmy,
Please check the following:

http://www6.tomshardware.com/cpu/20030422/

Regards,

Re: Itanium vs Opertron

Nico Schockaert — Sun, 29 Feb 2004 08:58:07 GMT

Hello,
The Intel Itanium2 and AMD Opteron processors are often incorrectly compared on the basis of one feature only : 64-bit environment.
The Opteron is a 64-bit extension to the existing x86 architecture. The Opteron is a way to have easy access to more than 4 GByte memory.
The Itanium2 processor has much more, such as EPIC (Explicit Parallel Instruction Computing, co-developped by Intel and HP), Predication (to eliminate the impact from mispredicted branches), Large Register Files (128 integer registers, instead of 16 for Opteron; 128 Floating-point registers, instead of 16), Scalability with the same processor (from uni-processor to 64-way today, instead of three type Opteron processors up to an 8-way today), etc ...
See also www.hp.com/go/itanium for some white papers.
Regards,
Nico