GeForce GTX 260 Core 216 vs Radeon R9 Nano

Intro

Compare those specs to the Radeon R9 Nano, which uses a 28 nm design. AMD has set the core speed at 1000 MHz. The HBM RAM runs at a speed of 500 MHz on this card. It features 4096 SPUs along with 256 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 Nano		175 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 27 Watts (15%)

Memory Bandwidth

Performance-wise, the Radeon R9 Nano should theoretically be a lot superior to the GeForce GTX 260 Core 216 overall. (explain)

Radeon R9 Nano		512000 MB/sec
GeForce GTX 260 Core 216		111888 MB/sec
	Difference: 400112 (358%)

Texel Rate

The Radeon R9 Nano should be a lot (approximately 517%) more effective at AF than the GeForce GTX 260 Core 216. (explain)

Radeon R9 Nano		256000 Mtexels/sec
GeForce GTX 260 Core 216		41472 Mtexels/sec
	Difference: 214528 (517%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 Nano is a better choice, by far. (explain)

Radeon R9 Nano		64000 Mpixels/sec
GeForce GTX 260 Core 216		16128 Mpixels/sec
	Difference: 47872 (297%)

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 largest amount of data (counted in MB per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

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