The 40nm GF110 revision A1 chip was manufactured in Taiwan on the 52nd week of 2010 (end of December).
You could view a table with comparative specs in the Introduction to this review, but I want to remind you that the GPU of the GeForce GTX 560 Ti 448 Cores has, as its name suggests, 448 unified shader processors as well as 56 texture-mapping units and 40 raster operators. The GPU clock rate is 732/1464 MHz in 3D applications. In 2D mode it is reduced to 51/101 MHz.
There are ten FCFBGA-packaged chips of GDDR5 memory from Samsung on the face side of the PCB. The total amount is 1280 megabytes. The chips are labeled K4G10325FG-HC04.
The rated access time is 0.4 nanoseconds, which corresponds to a clock rate of 5000 MHz. However, the Palit card clocks its memory at 3800 MHz, in full compliance with Nvidia's official specs. This gives us some hope for good overclocking. The memory voltage is 1.5 volts; the bus is 320 bits wide; the clock rate in 2D applications is 270 MHz.
Thus, the Palit GeForce GTX 560 Ti 448 Cores is identical to the reference card in its specs:
What is original about the Palit version is its cooling system. It consists of a copper base, copper heat pipes, an aluminum heatsink, and a metallic plate with thermal pads.
There are four heat pipes, each with a diameter of 6 millimeters, piercing the dual-section heatsink.
The main section is right above the GPU whereas the additional one is at the back of the card. The pipes are soldered to the heatsink in points of contact. There is a layer of thick gray thermal grease between the cooler’s base and the GPU.
The whole arrangement is cooled by two 80mm fans hanging in the plastic frame:
The fans are made by an obscure firm Apistek and labeled as GA82S2U.
I couldn’t find any specs other than what is written on the fans themselves. According to my monitoring tools, their rotation speed varied from 1000 to 3000 RPM.
I checked out the card’s temperature while running Aliens vs. Predator (2010) in five cycles at the highest settings (1920x1080, with 16x anisotropic filtering, no full-screen antialiasing). I used MSI Afterburner 2.2.0 Beta 9 and GPU-Z 0.5.6 as monitoring tools. This test was carried out with a closed system case at an ambient temperature of 25°C. I didn’t replace the card's default thermal interface material.
Let’s see how efficient the Palit’s cooler is with its fans being regulated automatically:
Well, the result is good. The peak GPU temperature is only 71°C at a fan speed of 2610 RPM. The cooler is efficient, yet the fans are audible in an otherwise quiet system case at such a high speed.
Checking out the overclocking potential of the new Palit card, I found the latter to be stable at 820/1640/4560 MHz.
This overclocking performance is far from extraordinary but I didn't try to increase the GPU voltage. The GPU temperature only grew by 3°C, reaching 74°C, when the card was overclocked. The fan speed increased by a mere 150 RPM.
Now we can move on to the second graphics card.