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GeForce GTX 980 vs Radeon R9 390 8G

Intro

The GeForce GTX 980 makes use of a 28 nm design. nVidia has set the core frequency at 1126 MHz. The GDDR5 memory works at a frequency of 1750 MHz on this model. It features 2048 SPUs as well as 128 Texture Address Units and 64 ROPs.

Compare all that to the Radeon R9 390 8G, which features GPU core speed of 1000 MHz, and 8192 MB of GDDR5 memory running at 1500 MHz through a 512-bit bus. It also is made up of 2560 SPUs, 160 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

GeForce GTX 980 13552 points
Radeon R9 390 8G 12733 points
Difference: 819 (6%)

Ethereum Mining Hash Rate

Radeon R9 390 8G 28 Mh/s
GeForce GTX 980 20 Mh/s
Difference: 8 (40%)

Zcash Mining Hash Rate

GeForce GTX 980 408 Sol/s
Radeon R9 390 8G 326 Sol/s
Difference: 82 (25%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980 165 Watts
Radeon R9 390 8G 275 Watts
Difference: 110 Watts (67%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 390 8G should be 71% faster than the GeForce GTX 980 overall, because of its greater data rate. (explain)

Radeon R9 390 8G 384000 MB/sec
GeForce GTX 980 224000 MB/sec
Difference: 160000 (71%)

Texel Rate

The Radeon R9 390 8G will be a little bit (approximately 11%) better at texture filtering than the GeForce GTX 980. (explain)

Radeon R9 390 8G 160000 Mtexels/sec
GeForce GTX 980 144128 Mtexels/sec
Difference: 15872 (11%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 980 is a better choice, not by a very large margin though. (explain)

GeForce GTX 980 72064 Mpixels/sec
Radeon R9 390 8G 64000 Mpixels/sec
Difference: 8064 (13%)

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 980

Amazon.com

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Radeon R9 390 8G

Amazon.com

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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 980 Radeon R9 390 8G
Manufacturer nVidia AMD
Year September 2014 June 2015
Code Name GM204-400 Grenada PRO
Memory 4096 MB 8192 MB
Core Speed 1126 MHz 1000 MHz
Memory Speed 7000 MHz 6000 MHz
Power (Max TDP) 165 watts 275 watts
Bandwidth 224000 MB/sec 384000 MB/sec
Texel Rate 144128 Mtexels/sec 160000 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 2048 2560
Texture Mapping Units 128 160
Render Output Units 64 64
Bus Type GDDR5 GDDR5
Bus Width 256-bit 512-bit
Fab Process 28 nm 28 nm
Transistors 5200 million 6200 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.2 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of MB per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, the result should 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 980

Amazon.com

Check prices at:

Radeon R9 390 8G

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 980 vs Radeon R9 390 8G”
WarsunGames says:

OK i did some checking on YouTube for videos showing the actual performance of each of these two graphics cards.An the information on this base is wrong.The Texture Fillrate of the GTX 980 an R9 390 are the same.at 160 to 162 in favor of Nvidia.But the actual Pixel rate is completely wrong.The Pixel loads for the GTX 980 is only 36.1 on one GPU-z i found an one video live of it at exactlly 40.5 on an overclocking video.Where the AMD GPixel Fillrate was 64.0.Thats double the performance!An by no means does the GTX ram reatch 7000Mhz.That is a balled face lie! it is 1753MHz.An not 7000Mhz.The AMD is 6000MHz.So some one fix that.

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