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GeForce 9600 GT 1GB vs Radeon HD 4770

Intro

The GeForce 9600 GT 1GB features core speeds of 650 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR3 memory. It features 64 SPUs along with 32 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 4770, which makes use of a 40 nm design. AMD has clocked the core speed at 750 MHz. The GDDR5 memory is set to run at a speed of 800 MHz on this model. It features 640(128x5) SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

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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

Performance-wise, the GeForce 9600 GT 1GB should in theory be a bit better than the Radeon HD 4770 in general. (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 small bit (approximately 15%) better at anisotropic 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 a high screen resolution 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: Bandwidth is the largest amount of data (measured in MB per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core 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 lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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