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GeForce GTX 1070 vs Radeon R9 295X2

Intro

The GeForce GTX 1070 comes with a GPU core clock speed of 1506 MHz, and the 8192 MB of GDDR5 RAM is set to run at 2000 MHz through a 256-bit bus. It also is made up of 1920 Stream Processors, 120 Texture Address Units, and 64 Raster Operation Units.

Compare those specifications to the Radeon R9 295X2, which has a core clock frequency of 1018 MHz and a GDDR5 memory speed of 1250 MHz. It also makes use of a 512-bit memory bus, and uses a 28 nm design. It is made up of 2816 SPUs, 176 Texture Address Units, and 64 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 295X2		21205 points
GeForce GTX 1070		18174 points
	Difference: 3031 (17%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1070		150 Watts
Radeon R9 295X2		500 Watts
	Difference: 350 Watts (233%)

Memory Bandwidth

Performance-wise, the Radeon R9 295X2 should theoretically be much superior to the GeForce GTX 1070 overall. (explain)

Radeon R9 295X2		640000 MB/sec
GeForce GTX 1070		262144 MB/sec
	Difference: 377856 (144%)

Texel Rate

The Radeon R9 295X2 will be much (about 98%) better at AF than the GeForce GTX 1070. (explain)

Radeon R9 295X2		358336 Mtexels/sec
GeForce GTX 1070		180720 Mtexels/sec
	Difference: 177616 (98%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 295X2 is the winner, and very much so. (explain)

Radeon R9 295X2		130304 Mpixels/sec
GeForce GTX 1070		96384 Mpixels/sec
	Difference: 33920 (35%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 1070

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Radeon R9 295X2

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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 1070	Radeon R9 295X2
Manufacturer	nVidia	AMD
Year	June 2016	April 2014
Code Name	GP104-200	Vesuvius
Memory	8192 MB	4096 MB (x2)
Core Speed	1506 MHz	1018 MHz (x2)
Memory Speed	8000 MHz	5000 MHz (x2)
Power (Max TDP)	150 watts	500 watts
Bandwidth	262144 MB/sec	640000 MB/sec
Texel Rate	180720 Mtexels/sec	358336 Mtexels/sec
Pixel Rate	96384 Mpixels/sec	130304 Mpixels/sec
Unified Shaders	1920	2816 (x2)
Texture Mapping Units	120	176 (x2)
Render Output Units	64	64 (x2)
Bus Type	GDDR5	GDDR5
Bus Width	256-bit	512-bit (x2)
Fab Process	16 nm	28 nm
Transistors	7200 million	6200 million
Bus	PCIe 3.0 x16	PCIe 3.0 x16
DirectX Version	DirectX 12.0	DirectX 11.2
OpenGL Version	OpenGL 4.5	OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transferred across the external memory interface in a second. It is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 amount of texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

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