GeForce 9500 GT DDR2 vs Radeon R7 240

Intro

Compare those specs to the Radeon R7 240, which features a GPU core clock speed of 730 MHz, and 2048 MB of DDR3 RAM running at 900 MHz through a 128-bit bus. It also is made up of 320 Stream Processors, 20 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
GeForce 9500 GT DDR2		50 Watts
	Difference: 20 Watts (67%)

Memory Bandwidth

Performance-wise, the Radeon R7 240 should in theory be a lot superior to the GeForce 9500 GT DDR2 in general. (explain)

Radeon R7 240		28800 MB/sec
GeForce 9500 GT DDR2		16000 MB/sec
	Difference: 12800 (80%)

Texel Rate

The Radeon R7 240 will be a lot (more or less 66%) faster with regards to AF than the GeForce 9500 GT DDR2. (explain)

Radeon R7 240		14600 Mtexels/sec
GeForce 9500 GT DDR2		8800 Mtexels/sec
	Difference: 5800 (66%)

Pixel Rate

The Radeon R7 240 is a lot (approximately 33%) faster with regards to anti-aliasing than the GeForce 9500 GT DDR2, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R7 240		5840 Mpixels/sec
GeForce 9500 GT DDR2		4400 Mpixels/sec
	Difference: 1440 (33%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.