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GeForce GTX 980 Ti vs Radeon RX Vega 56

Intro

The GeForce GTX 980 Ti has core speeds of 1000 MHz on the GPU, and 1750 MHz on the 6144 MB of GDDR5 memory. It features 2816 SPUs as well as 176 TAUs and 96 ROPs.

Compare all that to the Radeon RX Vega 56, which has core clock speeds of 1156 MHz on the GPU, and 1600 MHz on the 8192 MB of HBM2 RAM. It features 3584 SPUs along with 224 TAUs and 64 Rasterization Operator 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 RX Vega 56 21011 points
GeForce GTX 980 Ti 17013 points
Difference: 3998 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX Vega 56 210 Watts
GeForce GTX 980 Ti 250 Watts
Difference: 40 Watts (19%)

Memory Bandwidth

Theoretically, the Radeon RX Vega 56 should perform a lot faster than the GeForce GTX 980 Ti in general. (explain)

Radeon RX Vega 56 419430 MB/sec
GeForce GTX 980 Ti 336000 MB/sec
Difference: 83430 (25%)

Texel Rate

The Radeon RX Vega 56 will be much (about 47%) better at AF than the GeForce GTX 980 Ti. (explain)

Radeon RX Vega 56 258944 Mtexels/sec
GeForce GTX 980 Ti 176000 Mtexels/sec
Difference: 82944 (47%)

Pixel Rate

The GeForce GTX 980 Ti is much (about 30%) better at full screen anti-aliasing than the Radeon RX Vega 56, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 980 Ti 96000 Mpixels/sec
Radeon RX Vega 56 73984 Mpixels/sec
Difference: 22016 (30%)

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 Ti

Amazon.com

Radeon RX Vega 56

Amazon.com

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 Ti Radeon RX Vega 56
Manufacturer nVidia AMD
Year June 2015 September 2017
Code Name GM200 Vega 10 XL
Memory 6144 MB 8192 MB
Core Speed 1000 MHz 1156 MHz
Memory Speed 7000 MHz 1600 MHz
Power (Max TDP) 250 watts 210 watts
Bandwidth 336000 MB/sec 419430 MB/sec
Texel Rate 176000 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 96000 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 2816 3584
Texture Mapping Units 176 224
Render Output Units 96 64
Bus Type GDDR5 HBM2
Bus Width 384-bit 2048-bit
Fab Process 28 nm 14 nm
Transistors 8000 million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher 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 per second. This is worked out 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number 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 filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - 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 Ti

Amazon.com

Radeon RX Vega 56

Amazon.com

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.

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