GeForce 8300 GS (OEM) vs Radeon R9 380 2G

Intro

Compare that to the Radeon R9 380 2G, which features GPU clock speed of 970 MHz, and 2048 MB of GDDR5 memory running at 1425 MHz through a 256-bit bus. It also is made up of 1792 Stream Processors, 112 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8300 GS (OEM)		40 Watts
Radeon R9 380 2G		190 Watts
	Difference: 150 Watts (375%)

Memory Bandwidth

As far as performance goes, the Radeon R9 380 2G should in theory be quite a bit better than the GeForce 8300 GS (OEM) overall. (explain)

Radeon R9 380 2G		182400 MB/sec
GeForce 8300 GS (OEM)		6400 MB/sec
	Difference: 176000 (2750%)

Texel Rate

The Radeon R9 380 2G will be much (approximately 5936%) faster with regards to AF than the GeForce 8300 GS (OEM). (explain)

Radeon R9 380 2G		108640 Mtexels/sec
GeForce 8300 GS (OEM)		1800 Mtexels/sec
	Difference: 106840 (5936%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 380 2G is a better choice, by a large margin. (explain)

Radeon R9 380 2G		31040 Mpixels/sec
GeForce 8300 GS (OEM)		900 Mpixels/sec
	Difference: 30140 (3349%)

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 megabytes per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory in one 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 - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.