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GeForce GTX 460 vs GeForce GTX 560 Ti

Intro

The GeForce GTX 460 features core clock speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs along with 56 Texture Address Units and 24 ROPs.

Compare those specs to the GeForce GTX 560 Ti, which has a clock frequency of 822 MHz and a GDDR5 memory frequency of 1002 MHz. It also uses a 256-bit bus, and uses a 40 nm design. It is made up of 384 SPUs, 64 TAUs, and 32 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 150 Watts
GeForce GTX 560 Ti 170 Watts
Difference: 20 Watts (13%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti should be 48% quicker than the GeForce GTX 460 overall, because of its greater bandwidth. (explain)

GeForce GTX 560 Ti 128256 MB/sec
GeForce GTX 460 86400 MB/sec
Difference: 41856 (48%)

Texel Rate

The GeForce GTX 560 Ti will be a lot (approximately 39%) faster with regards to AF than the GeForce GTX 460. (explain)

GeForce GTX 560 Ti 52608 Mtexels/sec
GeForce GTX 460 37800 Mtexels/sec
Difference: 14808 (39%)

Pixel Rate

The GeForce GTX 560 Ti is much (more or less 62%) better at AA than the GeForce GTX 460, and will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 560 Ti 26304 Mpixels/sec
GeForce GTX 460 16200 Mpixels/sec
Difference: 10104 (62%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

GeForce GTX 460

Amazon.com

GeForce GTX 560 Ti

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Model GeForce GTX 460 GeForce GTX 560 Ti
Manufacturer nVidia nVidia
Year July 2010 January 2011
Code Name GF104 GF114
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe x16
Memory 768 MB 1024 MB
Core Speed 675 MHz 822 MHz
Shader Speed 1350 MHz 1645 MHz
Memory Speed 900 MHz (3600 MHz effective) 1002 MHz (4008 MHz effective)
Unified Shaders 336 384
Texture Mapping Units 56 64
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 150 watts 170 watts
Shader Model 5.0 5.0
Bandwidth 86400 MB/sec 128256 MB/sec
Texel Rate 37800 Mtexels/sec 52608 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 26304 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Comments

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