GeForce GTX 260 Core 216 vs Radeon HD 6570 (OEM) 1GB

Intro

Compare those specs to the Radeon HD 6570 (OEM) 1GB, which comes with a clock speed of 650 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 128-bit memory bus, and uses a 40 nm design. It features 480 SPUs, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB		50 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 152 Watts (304%)

Memory Bandwidth

In theory, the GeForce GTX 260 Core 216 is 289% faster than the Radeon HD 6570 (OEM) 1GB overall, due to its greater bandwidth. (explain)

GeForce GTX 260 Core 216		111888 MB/sec
Radeon HD 6570 (OEM) 1GB		28800 MB/sec
	Difference: 83088 (289%)

Texel Rate

The GeForce GTX 260 Core 216 is a lot (more or less 166%) faster with regards to texture filtering than the Radeon HD 6570 (OEM) 1GB. (explain)

GeForce GTX 260 Core 216		41472 Mtexels/sec
Radeon HD 6570 (OEM) 1GB		15600 Mtexels/sec
	Difference: 25872 (166%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 260 Core 216 is superior to the Radeon HD 6570 (OEM) 1GB, by a large margin. (explain)

GeForce GTX 260 Core 216		16128 Mpixels/sec
Radeon HD 6570 (OEM) 1GB		5200 Mpixels/sec
	Difference: 10928 (210%)

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 (measured in megabytes per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.