GeForce 8300 GS (OEM) vs Radeon HD 6570 (OEM) 1GB

Intro

Compare all that to the Radeon HD 6570 (OEM) 1GB, which features GPU clock speed of 650 MHz, and 1024 MB of GDDR3 RAM running at 900 MHz through a 128-bit bus. It also is comprised of 480 Stream Processors, 24 TAUs, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8300 GS (OEM)		40 Watts
Radeon HD 6570 (OEM) 1GB		50 Watts
	Difference: 10 Watts (25%)

Memory Bandwidth

In theory, the Radeon HD 6570 (OEM) 1GB will be 350% quicker than the GeForce 8300 GS (OEM) in general, due to its greater data rate. (explain)

Radeon HD 6570 (OEM) 1GB		28800 MB/sec
GeForce 8300 GS (OEM)		6400 MB/sec
	Difference: 22400 (350%)

Texel Rate

The Radeon HD 6570 (OEM) 1GB is a lot (more or less 767%) more effective at anisotropic filtering than the GeForce 8300 GS (OEM). (explain)

Radeon HD 6570 (OEM) 1GB		15600 Mtexels/sec
GeForce 8300 GS (OEM)		1800 Mtexels/sec
	Difference: 13800 (767%)

Pixel Rate

The Radeon HD 6570 (OEM) 1GB is a lot (about 478%) better at full screen anti-aliasing than the GeForce 8300 GS (OEM), and also should be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon HD 6570 (OEM) 1GB		5200 Mpixels/sec
GeForce 8300 GS (OEM)		900 Mpixels/sec
	Difference: 4300 (478%)

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 data (counted in MB per second) that can be transferred past the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.