As usual, just before the official launch of the new
Radeon HD 7990, AMD's local partners were given the available marketing
materials with photos, specifications and performance benchmark. Although the
same documents should not be distribute on, such information is difficult to
hide, and they often leaked to the public.
On photos that someone photographed from the monitor
can see that AMD is not particularly reduced opportunities HD 7970 GPU to a new
card with two of these GPUs have reduced power consumption. GPU’s on HD 7990
have clock speed at 1,000MHz compared to 1,050 in HD 7970. Standard GPU on
older card is in fact 1,000 MHz and 1,050 MHz Boost clock. Therefore, if they
are mentioned Boost clock, standard GPU's on the HD 7990 is actually 950 MHz.
Confusing at first glance, and theoretical
performance. According to the table would suggest the HD 7990 has an unusually
large texture fillrate compared to 7970th This is not true because if you
multiply the clock speed of the chip with the number of units for texturing, it
turns out that the value of 7970 GHz Edition was calculated incorrectly (it
should be 134.4 GT / s). Same thing with pixel fillrates which should amount to
33.6, not 29.6 gigapixel per second.
Probably the most interesting in the story is
the performance chart showing the results of the tests 3DMark First Strike
First Strike Extreme. This new two-headed Radeon overrides to Nvidia's
Titanium, is currently the most powerful card based on a single GPU, and
GeForce GTX 690, which also has two GPUs.
The official presentation of the Radeon HD 7990
is being developed under the code name Malta has been confirmed for Wednesday.
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