GeForce 9800 GTX+ vs Radeon HD 6570 (OEM) 2GB

Intro

The GeForce 9800 GTX+ comes with a GPU core clock speed of 738 MHz, and the 512 MB of GDDR3 RAM runs at 1100 MHz through a 256-bit bus. It also is made up of 128 Stream Processors, 64 TAUs, and 16 ROPs.

Compare that to the Radeon HD 6570 (OEM) 2GB, which comes with GPU core speed of 650 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 128-bit bus. It also is made up of 480 SPUs, 24 Texture Address Units, and 8 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 9800 GTX+ Amazon.com Other US-based stores Amazon.co.uk Amazon.de Amazon.fr

Radeon HD 6570 (OEM) 2GB Amazon.com Other US-based stores Amazon.co.uk Amazon.de Amazon.fr

Specifications

Model	GeForce 9800 GTX+	Radeon HD 6570 (OEM) 2GB
Manufacturer	nVidia	ATi
Year	July 2008	February 2011
Code Name	G92b	Turks
Fab Process	55 nm	40 nm
Bus	PCIe x16 2.0	PCIe 2.1 x16
Memory	512 MB	1024 MB
Core Speed	738 MHz	650 MHz
Shader Speed	1836 MHz	(N/A) MHz
Memory Speed	1100 MHz	1000 MHz
Unified Shaders	128	480
Texture Mapping Units	64	24
Render Output Units	16	8
Bus Type	GDDR3	GDDR5
Bus Width	256-bit	128-bit
DirectX Version	DirectX 10	DirectX 11
OpenGL Version	OpenGL 3.0	OpenGL 4.1
Power (Max TDP)	145 watts	50 watts
Shader Model	4.0	5.0
Bandwidth	70400 MB/sec	64000 MB/sec
Texel Rate	47232 Mtexels/sec	15600 Mtexels/sec
Pixel Rate	11808 Mpixels/sec	5200 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the bus width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units of the card 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.