GeForce 9500 GT 512MB GDDR3 vs Radeon R9 M395X

Intro

Compare all of that to the Radeon R9 M395X, which comes with core speeds of 723 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs along with 128 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3		50 Watts
Radeon R9 M395X		125 Watts
	Difference: 75 Watts (150%)

Memory Bandwidth

As far as performance goes, the Radeon R9 M395X should in theory be a lot superior to the GeForce 9500 GT 512MB GDDR3 overall. (explain)

Radeon R9 M395X		160000 MB/sec
GeForce 9500 GT 512MB GDDR3		25600 MB/sec
	Difference: 134400 (525%)

Texel Rate

The Radeon R9 M395X will be much (about 952%) better at anisotropic filtering than the GeForce 9500 GT 512MB GDDR3. (explain)

Radeon R9 M395X		92544 Mtexels/sec
GeForce 9500 GT 512MB GDDR3		8800 Mtexels/sec
	Difference: 83744 (952%)

Pixel Rate

The Radeon R9 M395X should be much (more or less 426%) more effective at full screen anti-aliasing than the GeForce 9500 GT 512MB GDDR3, and also able to handle higher screen resolutions without slowing down too much. (explain)

Radeon R9 M395X		23136 Mpixels/sec
GeForce 9500 GT 512MB GDDR3		4400 Mpixels/sec
	Difference: 18736 (426%)

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: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, 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 maximum amount of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.