[Chimera-users] minimal graphic card

Greg Couch gregc at cgl.ucsf.edu
Thu Feb 25 11:14:47 PST 2016


To expand on Tom's advice, to figure out what your lab should have in 
it, you should collect examples of the kind of data you want to look at 
and test it on the computer configuration you're considering.  It could 
be that the graphics is fine, but the CPU is too slow.  But as Tom said, 
for much data, a current Intel CPU/graphics combination is adequate.  
Many AMD CPU/graphics combinations would be adequate too -- generally, 
for the same price, an AMD system will have better graphics and a slower 
CPU than an Intel system, so depending on the data, that can be a good 
tradeoff.  Tom's Hardware has an Intel & AMD Processor Hierarchy, 
http://www.tomshardware.com/reviews/cpu-hierarchy,4312.html that should 
help.  Historically, AMD's graphics driver has been better than Intel's, 
which is another issue to consider.

To get an idea of what you'd need for larger system, look at the Chimera 
benchmarks at http://www.cgl.ucsf.edu/trac/chimera/wiki/benchmarks (need 
more results, so everyone please run the benchmark on your setup), and 
check Tom's Hardware's Desktop GPU Performance Hierarchy Table, 
http://www.tomshardware.com/reviews/gpu-hierarchy,4388.html to see where 
various graphics cards rank.

    HTH,

    Greg

On 02/24/2016 03:08 PM, Tom Goddard wrote:
> Hi Fabian,
>
>   Intel graphics built into most computers is adequate for most uses 
> of Chimera.  If you want to manipulate molecules with a hundred 
> thousand atoms or large density maps (512 ** 3 or larger) the 
> rendering will be smoother with any consumer video game playing 
> graphics card from nvidia or amd.  Usually such large systems are not 
> used in tutorials that would be presented in teaching lab.  The most 
> common trouble with graphics and Chimera is caused by old graphics 
> drivers (> 3 years old).  Update to date graphics drivers for laptops 
> are often not available.
>
> Tom
>
>
>> On Feb 24, 2016, at 7:39 AM, Fabian Technion <wrote:
>>
>> Hi,
>>
>> I would like to know your reccomendation for a minimal graphic card 
>> standard that will work nicely with chimera. It is for 20 PC for a 
>> teaching room.
>>
>> Thanks a lot in advance,
>>
>> Fabian
>>
>>
>> Dr. Fabian Glaser
>> Head of the Structural  Bioinformatics section
>>
>> Bioinformatics Knowledge Unit - BKU
>> The Lorry I. Lokey Interdisciplinary Center for Life Sciences and 
>> Engineering
>> Technion - Israel Institute of Technology, Haifa 32000, ISRAEL
>>
>> fglaser at technion dot ac dot il
>> Tel:    +972 4 8293701
>> http://bku.technion.ac.il <http://bku.technion.ac.il/>
>>
>>
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