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GeForce GTX 470 vs Radeon R9 M395X

Intro

The GeForce GTX 470 makes use of a 40 nm design. nVidia has set the core frequency at 607 MHz. The GDDR5 memory runs at a frequency of 837 MHz on this particular card. It features 448 SPUs along with 56 Texture Address Units and 40 ROPs.

Compare all that to the Radeon R9 M395X, which has GPU core speed of 723 MHz, and 4096 MB of GDDR5 memory set to run at 1250 MHz through a 256-bit bus. It also is comprised of 2048 Stream Processors, 128 Texture Address Units, and 32 ROPs.

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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

The Radeon R9 M395X should in theory perform a little bit faster than the GeForce GTX 470 in general. (explain)

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

Texel Rate

The Radeon R9 M395X is much (approximately 172%) more effective at 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

If running with a high resolution is important to you, then the GeForce GTX 470 is a better choice, but not by far. (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

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GeForce GTX 470

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Radeon R9 M395X

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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 GTX 470	Radeon R9 M395X
Manufacturer	nVidia	AMD
Year	March 2010	2015
Code Name	GF100	Tonga
Memory	1280 MB	4096 MB
Core Speed	607 MHz	723 MHz
Memory Speed	3348 MHz	5000 MHz
Power (Max TDP)	215 watts	125 watts
Bandwidth	133920 MB/sec	160000 MB/sec
Texel Rate	33992 Mtexels/sec	92544 Mtexels/sec
Pixel Rate	24280 Mpixels/sec	23136 Mpixels/sec
Unified Shaders	448	2048
Texture Mapping Units	56	128
Render Output Units	40	32
Bus Type	GDDR5	GDDR5
Bus Width	320-bit	256-bit
Fab Process	40 nm	28 nm
Transistors	3000 million	(Unknown) million
Bus	PCIe x16	PCIe 3.0 x16
DirectX Version	DirectX 11	DirectX 12
OpenGL Version	OpenGL 4.1	OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few 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.

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