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GeForce GTX 1080 vs Radeon R9 295X2

Intro

The GeForce GTX 1080 has a GPU core clock speed of 1607 MHz, and the 8192 MB of GDDR5X RAM is set to run at 1251 MHz through a 256-bit bus. It also features 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Compare all of that to the Radeon R9 295X2, which has a clock frequency of 1018 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 512-bit memory bus, and makes use of a 28 nm design. It is made up of 2816 SPUs, 176 TAUs, and 64 ROPs.

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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

GeForce GTX 1080 21942 points
Radeon R9 295X2 21205 points
Difference: 737 (3%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080 180 Watts
Radeon R9 295X2 500 Watts
Difference: 320 Watts (178%)

Memory Bandwidth

Performance-wise, the Radeon R9 295X2 should theoretically be quite a bit better than the GeForce GTX 1080 in general. (explain)

Radeon R9 295X2 640000 MB/sec
GeForce GTX 1080 327680 MB/sec
Difference: 312320 (95%)

Texel Rate

The Radeon R9 295X2 is quite a bit (approximately 39%) faster with regards to anisotropic filtering than the GeForce GTX 1080. (explain)

Radeon R9 295X2 358336 Mtexels/sec
GeForce GTX 1080 257120 Mtexels/sec
Difference: 101216 (39%)

Pixel Rate

The Radeon R9 295X2 will be quite a bit (more or less 27%) faster with regards to FSAA than the GeForce GTX 1080, and able to handle higher resolutions while still performing well. (explain)

Radeon R9 295X2 130304 Mpixels/sec
GeForce GTX 1080 102848 Mpixels/sec
Difference: 27456 (27%)

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 1080

Amazon.com

Check prices at:

Radeon R9 295X2

Amazon.com

Check prices at:

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 1080 Radeon R9 295X2
Manufacturer nVidia AMD
Year May 2016 April 2014
Code Name GP104-400 Vesuvius
Memory 8192 MB 4096 MB (x2)
Core Speed 1607 MHz 1018 MHz (x2)
Memory Speed 10008 MHz 5000 MHz (x2)
Power (Max TDP) 180 watts 500 watts
Bandwidth 327680 MB/sec 640000 MB/sec
Texel Rate 257120 Mtexels/sec 358336 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 130304 Mpixels/sec
Unified Shaders 2560 2816 (x2)
Texture Mapping Units 160 176 (x2)
Render Output Units 64 64 (x2)
Bus Type GDDR5X 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 largest amount of information (in units of MB per second) that can be moved over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling 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 write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called 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 of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 1080

Amazon.com

Check prices at:

Radeon R9 295X2

Amazon.com

Check prices at:

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.

Comments

One Response to “GeForce GTX 1080 vs Radeon R9 295X2”
Medwar says:

Jajajajaj donde estan los de Nvidia?

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