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GeForce 9600 GT 1GB vs Radeon HD 4770

Intro

The GeForce 9600 GT 1GB has a clock frequency of 650 MHz and a GDDR3 memory frequency of 900 MHz. It also uses a 256-bit bus, and uses a 65/55 nm design. It is made up of 64 SPUs, 32 Texture Address Units, and 16 ROPs.

Compare that to the Radeon HD 4770, which features a core clock speed of 750 MHz and a GDDR5 memory frequency of 800 MHz. It also makes use of a 128-bit bus, and makes use of a 40 nm design. It is comprised of 640(128x5) SPUs, 32 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4770		80 Watts
GeForce 9600 GT 1GB		95 Watts
	Difference: 15 Watts (19%)

Memory Bandwidth

The GeForce 9600 GT 1GB should in theory be a bit faster than the Radeon HD 4770 overall. (explain)

GeForce 9600 GT 1GB		57600 MB/sec
Radeon HD 4770		51200 MB/sec
	Difference: 6400 (13%)

Texel Rate

The Radeon HD 4770 will be a little bit (about 15%) more effective at texture filtering than the GeForce 9600 GT 1GB. (explain)

Radeon HD 4770		24000 Mtexels/sec
GeForce 9600 GT 1GB		20800 Mtexels/sec
	Difference: 3200 (15%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 4770 is a better choice, though only just barely. (explain)

Radeon HD 4770		12000 Mpixels/sec
GeForce 9600 GT 1GB		10400 Mpixels/sec
	Difference: 1600 (15%)

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

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GeForce 9600 GT 1GB

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Radeon HD 4770

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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

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Model	GeForce 9600 GT 1GB	Radeon HD 4770
Manufacturer	nVidia	AMD
Year	Feb 2008	Apr 28, 2009
Code Name	G94a/b	RV740
Memory	1024 MB	512 MB
Core Speed	650 MHz	750 MHz
Memory Speed	1800 MHz	3200 MHz
Power (Max TDP)	95 watts	80 watts
Bandwidth	57600 MB/sec	51200 MB/sec
Texel Rate	20800 Mtexels/sec	24000 Mtexels/sec
Pixel Rate	10400 Mpixels/sec	12000 Mpixels/sec
Unified Shaders	64	640(128x5)
Texture Mapping Units	32	32
Render Output Units	16	16
Bus Type	GDDR3	GDDR5
Bus Width	256-bit	128-bit
Fab Process	65/55 nm	40 nm
Transistors	505 million	826 million
Bus	PCIe x16 2.0	PCIe 2.0 x16
DirectX Version	DirectX 10	DirectX 10.1
OpenGL Version	OpenGL 3.0	OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics 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 most pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

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