GeForce GTX 260 Core 216 vs Radeon HD 6670 (OEM)

Intro

Compare those specs to the Radeon HD 6670 (OEM), which has GPU core speed of 800 MHz, and 512 MB of GDDR5 RAM running at 1000 MHz through a 128-bit bus. It also features 480 Stream Processors, 24 TAUs, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM)		63 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 139 Watts (221%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 260 Core 216 will be 75% faster than the Radeon HD 6670 (OEM) overall, due to its greater bandwidth. (explain)

GeForce GTX 260 Core 216		111888 MB/sec
Radeon HD 6670 (OEM)		64000 MB/sec
	Difference: 47888 (75%)

Texel Rate

The GeForce GTX 260 Core 216 will be a lot (about 116%) better at AF than the Radeon HD 6670 (OEM). (explain)

GeForce GTX 260 Core 216		41472 Mtexels/sec
Radeon HD 6670 (OEM)		19200 Mtexels/sec
	Difference: 22272 (116%)

Pixel Rate

The GeForce GTX 260 Core 216 will be quite a bit (about 152%) faster with regards to full screen anti-aliasing than the Radeon HD 6670 (OEM), and also able to handle higher screen resolutions better. (explain)

GeForce GTX 260 Core 216		16128 Mpixels/sec
Radeon HD 6670 (OEM)		6400 Mpixels/sec
	Difference: 9728 (152%)

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 maximum amount of information (counted in megabytes per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 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 anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total number of texture units 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 in one second.

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