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GeForce 9600 GSO 512MB vs Radeon R9 M275X

Intro

The GeForce 9600 GSO 512MB uses a 65/55 nm design. nVidia has clocked the core speed at 650 MHz. The GDDR3 RAM works at a speed of 900 MHz on this card. It features 96 SPUs as well as 48 TAUs and 16 ROPs.

Compare all that to the Radeon R9 M275X, which features GPU core speed of 900 MHz, and 2048 MB of GDDR5 RAM set to run at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M275X		50 Watts
GeForce 9600 GSO 512MB		90 Watts
	Difference: 40 Watts (80%)

Memory Bandwidth

Performance-wise, the Radeon R9 M275X should in theory be a lot superior to the GeForce 9600 GSO 512MB in general. (explain)

Radeon R9 M275X		72000 MB/sec
GeForce 9600 GSO 512MB		57600 MB/sec
	Difference: 14400 (25%)

Texel Rate

The Radeon R9 M275X will be a little bit (about 15%) better at texture filtering than the GeForce 9600 GSO 512MB. (explain)

Radeon R9 M275X		36000 Mtexels/sec
GeForce 9600 GSO 512MB		31200 Mtexels/sec
	Difference: 4800 (15%)

Pixel Rate

The Radeon R9 M275X should be a lot (approximately 38%) more effective at AA than the GeForce 9600 GSO 512MB, and should be able to handle higher screen resolutions better. (explain)

Radeon R9 M275X		14400 Mpixels/sec
GeForce 9600 GSO 512MB		10400 Mpixels/sec
	Difference: 4000 (38%)

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 GSO 512MB

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Radeon R9 M275X

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Specifications

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Model	GeForce 9600 GSO 512MB	Radeon R9 M275X
Manufacturer	nVidia	AMD
Year	October 2008	May 1 2014
Code Name	G94a/b	Venus XTX
Memory	512 MB	2048 MB
Core Speed	650 MHz	900 MHz
Memory Speed	1800 MHz	4500 MHz
Power (Max TDP)	90 watts	50 watts
Bandwidth	57600 MB/sec	72000 MB/sec
Texel Rate	31200 Mtexels/sec	36000 Mtexels/sec
Pixel Rate	10400 Mpixels/sec	14400 Mpixels/sec
Unified Shaders	96	640
Texture Mapping Units	48	40
Render Output Units	16	16
Bus Type	GDDR3	GDDR5
Bus Width	256-bit	128-bit
Fab Process	65/55 nm	28 nm
Transistors	505 million	(Unknown) million
Bus	PCIe x16 2.0	PCIe 3.0 x16
DirectX Version	DirectX 10	DirectX 11.2
OpenGL Version	OpenGL 3.0	OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount 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 processed in one second.

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

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