err i think u guys better state that the 2900xt has only 64 PHYSICAL stream processors
the 320 processing unit a bit misleading as actually its just op/clock for the whole card.
Roughly This is the difference with the cards
first remember the R600 has 2 flops per unit while the G80 has only 1
So lets do some number
Cards |8800GTX| |2900XT| |8800GTS| |2600XT| |8600Gts|
Gigaflops |518.4| |475| |345.6| |192| |139.2|
Physical Shaders |128| |64| |96| |24| |32|
Shader Clocks |1.35| |0.742| |1.2| |0.8| |1.45|
Ops/Clock |384| |320| |288| |120| |96|
Ops/Clock per Shader |3| |5| |3| |5| |3|
most games today can only do 2 ops per each cycle clock
so i think that explains y the performance
Nvidia G80's Gigaflops
http://en.wikipedia.org/wiki/GeForce_8_Series
Correct me on this
Advantage on ATI - 2 Flops per Processing Unit
Much More advance Physical Processor = 5 ops/cycle
Advantage on G80 - Well most games only support around 2-3 ops/cycle.
Same arguement of intel c2d 11ops/cycle vs AMDs x2 9ops/cycle.
Thats y intel is energy efficient.
Totally different architecture and the xt will kick the gts on my opinion on the 2900 and 2600....just wondering what the flops on the x2900xt was....
thumbs up for the r600.. more efficient
hot off the press
this is the spec of the 8800gtx ultra and PICs!!!
crazy
[attachmentid=225190]
GPU Hızı: 675MHz
- Bellek Hızı: 2350MHz (1.0ns)
- Bellek Tipi: GDDR3
- Bellek Boyutu: 768MB
- Bellek Veri Yolu: 384-Bit
- Bant Genişliği: 112.8 GB/sn
- Shader Hızı: 1600MHz
- Stream İşlemcisi: 128 adet
- GPU Üretim Teknolojisi: 90nm
does anybody can translate and see whether this is rubbish or not..
http://www.darkhardware.com/phpbb/viewtopic.php?p=1088803
sounds bs at 2350 because of the 80nm gddr3 limit is around 2.2ghz
This post has been edited by cstkl1: Apr 30 2007, 09:47 PM
Definitive R6xx thread, Some more solid info
Apr 30 2007, 09:22 PM
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