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GeForce GTX 780 Ti vs Radeon RX Vega 56

Intro

The GeForce GTX 780 Ti features a clock frequency of 875 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 384-bit memory bus, and makes use of a 28 nm design. It features 2880 SPUs, 240 Texture Address Units, and 48 ROPs.

Compare those specifications to the Radeon RX Vega 56, which has core speeds of 1156 MHz on the GPU, and 1600 MHz on the 8192 MB of HBM2 memory. It features 3584 SPUs along with 224 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

Radeon RX Vega 56 21011 points
GeForce GTX 780 Ti 10900 points
Difference: 10111 (93%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX Vega 56 210 Watts
GeForce GTX 780 Ti 250 Watts
Difference: 40 Watts (19%)

Memory Bandwidth

The Radeon RX Vega 56 should theoretically be quite a bit faster than the GeForce GTX 780 Ti overall. (explain)

Radeon RX Vega 56 419430 MB/sec
GeForce GTX 780 Ti 336000 MB/sec
Difference: 83430 (25%)

Texel Rate

The Radeon RX Vega 56 should be quite a bit (approximately 23%) faster with regards to texture filtering than the GeForce GTX 780 Ti. (explain)

Radeon RX Vega 56 258944 Mtexels/sec
GeForce GTX 780 Ti 210000 Mtexels/sec
Difference: 48944 (23%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX Vega 56 is the winner, by far. (explain)

Radeon RX Vega 56 73984 Mpixels/sec
GeForce GTX 780 Ti 42000 Mpixels/sec
Difference: 31984 (76%)

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 780 Ti

Amazon.com

Check prices at:

Radeon RX Vega 56

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 780 Ti Radeon RX Vega 56
Manufacturer nVidia AMD
Year November 2013 September 2017
Code Name GK110 Vega 10 XL
Memory 3072 MB 8192 MB
Core Speed 875 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 210000 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 42000 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 2880 3584
Texture Mapping Units 240 224
Render Output Units 48 64
Bus Type GDDR5 HBM2
Bus Width 384-bit 2048-bit
Fab Process 28 nm 14 nm
Transistors 7080 million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines 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 output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 780 Ti

Amazon.com

Check prices at:

Radeon RX Vega 56

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.

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