ASUS GTX560 DirectCU II review

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Features and specification

Features and specification

Aah yes, yet another GPU to review! So today I wanted to keep things nice and simple. The GeForce GTX 560 Ti is in fact the GF114 GPU, it is tweaked a little to allow higher clock speeds with presumably a lower power draw. The GeForce GTX 560 has 384 shader processor cores, 32 ROPs, and a 256-bit wide memory interface that connects to four 64-bit controllers each with 256MB memory tied to them, so that's 1 GB of memory for the product released today.

The new GPU has holstered a rather high GPU clock speed, with 822 MHz core, 1644 MHz on the shader cores, and 4000 MHz (GDDR5 effective datarate) memory, churning out a very decent 128 GB/s in memory bandwidth.

Now, most of all this sounds familiar eh? Yeah... remember the GF104 being used in the GeForce GTX 460 series? The new GF114 is in fact the basis of that IC, yet now with all shader processors enabled.

For the bigger part of the specifications the two feel similar when it comes to shader processor count, memory bus and clock frequencies, the GTX 560 definitely will be a good chunk faster and, as you'll learn, a heck of an overclocker.

Reference specifications:

Graphics card GeForce GTX 460
768MB
GeForce GTX 460
1024MB
GeForce GTX 560
1024MB
MSI GTX 560
Twin Frozer II
Graphics Processing Clusters 2 2 2 2
Streaming Multiprocessors 7 7 8 8
Shader processor 336 336 384 384
Texture Units 56 56 64 64
ROPs 24 32 32 32
Core Clock 675 MHz 675 MHz 822 MHz 880 MHz
Shader Clock 1350 MHz 1350 MHz 1644 MHz 1760 MHz
Memory Data rate 3600 MHz 3600 MHz 4008 MHz 4200 MHz
Graphics Memory 768MB GDDR5 1024MB GDDR5 1024MB GDDR5 1024MB GDDR5
Memory interface 192-bit 256-bit 256-bit 256-bit
Memory bandwidth 86 GB/s 115 GB/s 128 GB/S 134 GB/s
Fab node 40nm 40nm 40nm 40nm
TDP 150 Watts 160 Watts 170 Watts 180 Watts

If you look closely at the SM (Streaming Multiprocessor) partitions, then you can see and calculate that the 336 shader processor based GF104 on the GeForce GTX 460 has in fact seven SM partitions. 7 are enabled = 336 Shader processors. The GF114 GPU has 384 shader processors, and has that last available SM cluster enabled.

GTX400_sdf44.png

Okay, so the GeForce GTX 560 Ti is still based on a 40nm fabrication node, still has 1.95 billion transistors and thus looks and feels like the GTX 460, yet now with 48 shader processors and accompanying PolyMorph Engine added, an extra 8 texture units and sure, much faster clock frequencies. So is the GF114 in fact a GF104? Yep, it sure is.

All cards derived from and based on this GPU will be based on a dual or even triple-slot cooling design based on what the AIB/AIC partners prefer and come with two dual-link DVI and a mini-HDMI connector. HDMI will again pass sound through, including bit streaming support for Dolby True HD and DTS-HD Master. Being a mid-range product, only 2-way SLI will be allowed and thus you'll only see a single SLI finger/connector on the PCB. Okay, the next stop will be an extensive photo-shoot of today's product.

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