GeForce GTX 260 Core 216 vs GeForce GTX 950

Intro

Compare all that to the GeForce GTX 950, which has a core clock frequency of 1024 MHz and a GDDR5 memory speed of 1652 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It features 768 SPUs, 48 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950		90 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 112 Watts (124%)

Memory Bandwidth

In theory, the GeForce GTX 260 Core 216 should be 6% quicker than the GeForce GTX 950 in general, due to its higher bandwidth. (explain)

GeForce GTX 260 Core 216		111888 MB/sec
GeForce GTX 950		105728 MB/sec
	Difference: 6160 (6%)

Texel Rate

The GeForce GTX 950 will be just a bit (more or less 19%) more effective at AF than the GeForce GTX 260 Core 216. (explain)

GeForce GTX 950		49152 Mtexels/sec
GeForce GTX 260 Core 216		41472 Mtexels/sec
	Difference: 7680 (19%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 950 is superior to the GeForce GTX 260 Core 216, by far. (explain)

GeForce GTX 950		32768 Mpixels/sec
GeForce GTX 260 Core 216		16128 Mpixels/sec
	Difference: 16640 (103%)

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 transferred over the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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 get to the maximum fill rate.