GeForce GTX 780 Ti vs Radeon R9 Nano

Intro

Compare all of that to the Radeon R9 Nano, which comes with GPU clock speed of 1000 MHz, and 4096 MB of HBM RAM set to run at 500 MHz through a 4096-bit bus. It also is made up of 4096 Stream Processors, 256 Texture Address Units, and 64 ROPs.

Display Graphs

Hide Graphs

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 Nano		14918 points
GeForce GTX 780 Ti		10900 points
	Difference: 4018 (37%)

Ethereum Mining Hash Rate

Radeon R9 Nano		30 Mh/s
GeForce GTX 780 Ti		19 Mh/s
	Difference: 11 (58%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Nano		175 Watts
GeForce GTX 780 Ti		250 Watts
	Difference: 75 Watts (43%)

Memory Bandwidth

Performance-wise, the Radeon R9 Nano should theoretically be much superior to the GeForce GTX 780 Ti overall. (explain)

Radeon R9 Nano		512000 MB/sec
GeForce GTX 780 Ti		336000 MB/sec
	Difference: 176000 (52%)

Texel Rate

The Radeon R9 Nano will be quite a bit (about 22%) more effective at AF than the GeForce GTX 780 Ti. (explain)

Radeon R9 Nano		256000 Mtexels/sec
GeForce GTX 780 Ti		210000 Mtexels/sec
	Difference: 46000 (22%)

Pixel Rate

The Radeon R9 Nano will be much (more or less 52%) more effective at full screen anti-aliasing than the GeForce GTX 780 Ti, and also capable of handling higher screen resolutions more effectively. (explain)

Radeon R9 Nano		64000 Mpixels/sec
GeForce GTX 780 Ti		42000 Mpixels/sec
	Difference: 22000 (52%)

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

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 number of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.