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GeForce 8300 GS (OEM) vs GeForce GTX 660 Ti

Intro

The GeForce 8300 GS (OEM) has clock speeds of 450 MHz on the GPU, and 400 MHz on the 128 MB of DDR2 RAM. It features 8 SPUs as well as 4 TAUs and 2 Rasterization Operator Units.

Compare all of that to the GeForce GTX 660 Ti, which uses a 28 nm design. nVidia has set the core frequency at 915 MHz. The GDDR5 RAM runs at a frequency of 1500 MHz on this model. It features 1344 SPUs as well as 112 TAUs and 24 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

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 perform quite a bit faster than the GeForce 8300 GS (OEM) overall. (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 is quite a bit (more or less 5593%) faster with regards to AF 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 should be quite a bit (more or less 2340%) better at anti-aliasing than the GeForce 8300 GS (OEM), and should be capable of handling higher 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)

Amazon.com

GeForce GTX 660 Ti

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Model GeForce 8300 GS (OEM) GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year July 2007 August 2012
Code Name G86 GK104
Fab Process 80 nm 28 nm
Bus PCI Express x16 PCIe 3.0 x16
Memory 128 MB 2048 MB
Core Speed 450 MHz 915 MHz
Shader Speed 900 MHz 915 MHz
Memory Speed 400 MHz (800 MHz effective) 1500 MHz (6000 MHz effective)
Unified Shaders 8 1344
Texture Mapping Units 4 112
Render Output Units 2 24
Bus Type DDR2 GDDR5
Bus Width 64-bit 192-bit
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3
Power (Max TDP) 40 watts 150 watts
Shader Model 4.0 5.0
Bandwidth 6400 MB/sec 144000 MB/sec
Texel Rate 1800 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 900 Mpixels/sec 21960 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel 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 ability to get to the max fill rate.

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