GeForce GTX 560 Ti vs Radeon HD 4870 512MB

Intro

The GeForce GTX 560 Ti has a GPU core speed of 822 MHz, and the 1024 MB of GDDR5 RAM is set to run at 1002 MHz through a 256-bit bus. It also features 384 Stream Processors, 64 Texture Address Units, and 32 Raster Operation Units.

Compare that to the Radeon HD 4870 512MB, which comes with a GPU core clock speed of 750 MHz, and 512 MB of GDDR5 memory set to run at 900 MHz through a 256-bit bus. It also features 800(160x5) Stream Processors, 40 Texture Address Units, and 16 ROPs.

Price Comparison

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 560 Ti Amazon.com Other US-based stores Amazon.co.uk Amazon.de Amazon.fr

Radeon HD 4870 512MB Amazon.com Other US-based stores Amazon.co.uk Amazon.de Amazon.fr

Specifications

Model	GeForce GTX 560 Ti	Radeon HD 4870 512MB
Manufacturer	nVidia	ATi
Year	January 2011	Jun 25, 2008
Code Name	GF114	RV770 XT
Fab Process	40 nm	55 nm
Bus	PCIe x16	PCIe 2.0 x16
Memory	1024 MB	512 MB
Core Speed	822 MHz	750 MHz
Shader Speed	1645 MHz	(N/A) MHz
Memory Speed	1002 MHz	900 MHz
Unified Shaders	384	800(160x5)
Texture Mapping Units	64	40
Render Output Units	32	16
Bus Type	GDDR5	GDDR5
Bus Width	256-bit	256-bit
DirectX Version	DirectX 11	DirectX 10.1
OpenGL Version	OpenGL 4.1	OpenGL 3.0
Power (Max TDP)	170 watts	150 watts
Shader Model	5.0	4.1
Bandwidth	128256 MB/sec	115200 MB/sec
Texel Rate	52608 Mtexels/sec	30000 Mtexels/sec
Pixel Rate	26304 Mpixels/sec	12000 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.