GeForce 8300 GS (OEM) vs GeForce GTX 650 Ti

Intro

Compare those specs to the GeForce GTX 650 Ti, which features a GPU core clock speed of 928 MHz, and 1024 MB of GDDR5 RAM set to run at 1350 MHz through a 128-bit bus. It also is made up of 768 Stream Processors, 64 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8300 GS (OEM)		40 Watts
GeForce GTX 650 Ti		110 Watts
	Difference: 70 Watts (175%)

Memory Bandwidth

Performance-wise, the GeForce GTX 650 Ti should theoretically be much superior to the GeForce 8300 GS (OEM) overall. (explain)

GeForce GTX 650 Ti		86400 MB/sec
GeForce 8300 GS (OEM)		6400 MB/sec
	Difference: 80000 (1250%)

Texel Rate

The GeForce GTX 650 Ti is much (approximately 3200%) better at AF than the GeForce 8300 GS (OEM). (explain)

GeForce GTX 650 Ti		59392 Mtexels/sec
GeForce 8300 GS (OEM)		1800 Mtexels/sec
	Difference: 57592 (3200%)

Pixel Rate

The GeForce GTX 650 Ti should be quite a bit (about 1550%) more effective at FSAA than the GeForce 8300 GS (OEM), and should be able to handle higher screen resolutions better. (explain)

GeForce GTX 650 Ti		14848 Mpixels/sec
GeForce 8300 GS (OEM)		900 Mpixels/sec
	Difference: 13948 (1550%)

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: Bandwidth is the maximum amount of data (in units of MB per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is worked out 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock speed of the card. 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 output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.