GeForce GTX 470 vs Radeon R9 M395X

Intro

Compare those specs to the Radeon R9 M395X, which comes with core clock speeds of 723 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. 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)

Radeon R9 M395X		125 Watts
GeForce GTX 470		215 Watts
	Difference: 90 Watts (72%)

Memory Bandwidth

Performance-wise, the Radeon R9 M395X should theoretically be a small bit better than the GeForce GTX 470 overall. (explain)

Radeon R9 M395X		160000 MB/sec
GeForce GTX 470		133920 MB/sec
	Difference: 26080 (19%)

Texel Rate

The Radeon R9 M395X will be much (more or less 172%) faster with regards to anisotropic filtering than the GeForce GTX 470. (explain)

Radeon R9 M395X		92544 Mtexels/sec
GeForce GTX 470		33992 Mtexels/sec
	Difference: 58552 (172%)

Pixel Rate

The GeForce GTX 470 should be a small bit (approximately 5%) better at FSAA than the Radeon R9 M395X, and also should be able to handle higher resolutions better. (explain)

GeForce GTX 470		24280 Mpixels/sec
Radeon R9 M395X		23136 Mpixels/sec
	Difference: 1144 (5%)

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 maximum amount of information (in units of MB per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 once 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 number of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total number of texture units by the core clock 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 in a second.

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