GeForce GTX 260 216SP 55 nm vs Radeon R5 M230

Intro

Compare those specs to the Radeon R5 M230, which has core speeds of 780 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 320 SPUs along with 20 TAUs and 4 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce GTX 260 216SP 55 nm should in theory be much superior to the Radeon R5 M230 overall. (explain)

GeForce GTX 260 216SP 55 nm		111888 MB/sec
Radeon R5 M230		16000 MB/sec
	Difference: 95888 (599%)

Texel Rate

The GeForce GTX 260 216SP 55 nm is much (more or less 166%) better at AF than the Radeon R5 M230. (explain)

GeForce GTX 260 216SP 55 nm		41472 Mtexels/sec
Radeon R5 M230		15600 Mtexels/sec
	Difference: 25872 (166%)

Pixel Rate

The GeForce GTX 260 216SP 55 nm is quite a bit (about 417%) faster with regards to anti-aliasing than the Radeon R5 M230, and should be capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 260 216SP 55 nm		16128 Mpixels/sec
Radeon R5 M230		3120 Mpixels/sec
	Difference: 13008 (417%)

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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transported across the external memory interface in a second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 number of texture map elements (texels) that are applied in one 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.