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GeForce GTX 980 vs Radeon R9 390X 8G

Intro

The GeForce GTX 980 makes use of a 28 nm design. nVidia has clocked the core frequency at 1126 MHz. The GDDR5 memory works at a frequency of 1750 MHz on this particular model. It features 2048 SPUs along with 128 TAUs and 64 ROPs.

Compare those specs to the Radeon R9 390X 8G, which has a core clock speed of 1050 MHz and a GDDR5 memory frequency of 1500 MHz. It also features a 512-bit memory bus, and makes use of a 28 nm design. It is comprised of 2816 SPUs, 176 Texture Address Units, 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

Radeon R9 390X 8G 13555 points
GeForce GTX 980 13552 points
Difference: 3 (0%)

Ethereum Mining Hash Rate

Radeon R9 390X 8G 32 Mh/s
GeForce GTX 980 20 Mh/s
Difference: 12 (60%)

Zcash Mining Hash Rate

GeForce GTX 980 408 Sol/s
Radeon R9 390X 8G 330 Sol/s
Difference: 78 (24%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

In theory, the Radeon R9 390X 8G should be 71% faster than the GeForce GTX 980 overall, because of its higher bandwidth. (explain)

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

Texel Rate

The Radeon R9 390X 8G should be a lot (more or less 28%) faster with regards to AF than the GeForce GTX 980. (explain)

Radeon R9 390X 8G 184800 Mtexels/sec
GeForce GTX 980 144128 Mtexels/sec
Difference: 40672 (28%)

Pixel Rate

The GeForce GTX 980 is a bit (more or less 7%) faster with regards to full screen anti-aliasing than the Radeon R9 390X 8G, and should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 980 72064 Mpixels/sec
Radeon R9 390X 8G 67200 Mpixels/sec
Difference: 4864 (7%)

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

Check prices at:

Radeon R9 390X 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.

Specifications

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Model GeForce GTX 980 Radeon R9 390X 8G
Manufacturer nVidia AMD
Year September 2014 June 2015
Code Name GM204-400 Grenada XT
Memory 4096 MB 8192 MB
Core Speed 1126 MHz 1050 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 184800 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 2048 2816
Texture Mapping Units 128 176
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: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 again. If 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 higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number 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 also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 980

Amazon.com

Check prices at:

Radeon R9 390X 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

2 Responses to “GeForce GTX 980 vs Radeon R9 390X 8G”
Virab says:

AMD - Low price, high quality ... AMD will always win Nvidi !!!

sarggames says:

please help specs and benchmark tell opposite stories which should i choose.no worries about power consumption

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