GeForce 9800 GX2 vs Radeon HD 5750 512MB

Intro

The GeForce 9800 GX2 has a clock speed of 600 MHz and a GDDR3 memory speed of 1000 MHz. It also uses a 256-bit memory bus, and makes use of a 65 nm design. It features 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare those specifications to the Radeon HD 5750 512MB, which has core speeds of 700 MHz on the GPU, and 1150 MHz on the 512 MB of GDDR5 memory. It features 720(144x5) SPUs as well as 36 TAUs 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 9800 GX2 Amazon.com Other US-based stores Amazon.co.uk Amazon.de Amazon.fr

Radeon HD 5750 512MB Amazon.com Other US-based stores Amazon.co.uk Amazon.de Amazon.fr

Specifications

Model	GeForce 9800 GX2	Radeon HD 5750 512MB
Manufacturer	nVidia	ATi
Year	Mar 2008	October 13, 2009
Code Name	G92	Juniper LE
Fab Process	65 nm	40 nm
Bus	PCIe x16 2.0	PCIe 2.1 x16
Memory	512 MB (x2)	512 MB
Core Speed	600 MHz (x2)	700 MHz
Shader Speed	1500 MHz (x2)	(N/A) MHz
Memory Speed	1000 MHz (x2)	1150 MHz
Unified Shaders	128 (x2)	720(144x5)
Texture Mapping Units	64 (x2)	36
Render Output Units	16 (x2)	16
Bus Type	GDDR3	GDDR5
Bus Width	256-bit (x2)	128-bit
DirectX Version	DirectX 10	DirectX 11
OpenGL Version	OpenGL 3.0	OpenGL 3.2
Power (Max TDP)	197 watts	86 watts
Shader Model	4.0	5.0
Bandwidth	128000 MB/sec	73600 MB/sec
Texel Rate	76800 Mtexels/sec	25200 Mtexels/sec
Pixel Rate	19200 Mpixels/sec	11200 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. 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 quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.