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GeForce 8300 GS (OEM) vs GeForce GTX 660 Ti

Intro

The GeForce 8300 GS (OEM) has a GPU core speed of 450 MHz, and the 128 MB of DDR2 RAM is set to run at 400 MHz through a 64-bit bus. It also is comprised of 8 Stream Processors, 4 Texture Address Units, and 2 Raster Operation Units.

Compare those specs to the GeForce GTX 660 Ti, which comes with GPU clock speed of 915 MHz, and 2048 MB of GDDR5 RAM set to run at 1500 MHz through a 192-bit bus. It also is made up of 1344 SPUs, 112 Texture Address Units, and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8300 GS (OEM) 40 Watts
GeForce GTX 660 Ti 150 Watts
Difference: 110 Watts (275%)

Memory Bandwidth

In theory, the GeForce GTX 660 Ti should be 2150% faster than the GeForce 8300 GS (OEM) in general, because of its greater data rate. (explain)

GeForce GTX 660 Ti 144000 MB/sec
GeForce 8300 GS (OEM) 6400 MB/sec
Difference: 137600 (2150%)

Texel Rate

The GeForce GTX 660 Ti will be much (about 5593%) better at texture filtering than the GeForce 8300 GS (OEM). (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce 8300 GS (OEM) 1800 Mtexels/sec
Difference: 100680 (5593%)

Pixel Rate

The GeForce GTX 660 Ti is a lot (approximately 2340%) more effective at FSAA than the GeForce 8300 GS (OEM), and also should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
GeForce 8300 GS (OEM) 900 Mpixels/sec
Difference: 21060 (2340%)

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

GeForce 8300 GS (OEM)

GeForce GTX 660 Ti

Specifications

Display Specifications

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Model GeForce 8300 GS (OEM) GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year July 2007 August 2012
Code Name G86 GK104
Memory 128 MB 2048 MB
Core Speed 450 MHz 915 MHz
Memory Speed 800 MHz 6000 MHz
Power (Max TDP) 40 watts 150 watts
Bandwidth 6400 MB/sec 144000 MB/sec
Texel Rate 1800 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 900 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 8 1344
Texture Mapping Units 4 112
Render Output Units 2 24
Bus Type DDR2 GDDR5
Bus Width 64-bit 192-bit
Fab Process 80 nm 28 nm
Transistors 210 million 3540 million
Bus PCI Express x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. 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 are applied in one second. This is calculated by multiplying the total texture units by the core 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 in one second.

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

GeForce 8300 GS (OEM)

GeForce GTX 660 Ti

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