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GeForce 8300 GS (OEM) vs GeForce GTX 660 Ti


Intro

The GeForce 8300 GS (OEM) features 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 Texture Address Units and 2 Rasterization Operator Units.

Compare all that to the GeForce GTX 660 Ti, which makes use of a 28 nm design. nVidia has set the core speed at 915 MHz. The GDDR5 RAM works at a frequency of 1500 MHz on this card. It features 1344 SPUs as well as 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

Theoretically speaking, the GeForce GTX 660 Ti will be 2150% faster than the GeForce 8300 GS (OEM) overall, 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 is quite a bit (about 5593%) faster with regards to anisotropic 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

If using a high screen resolution is important to you, then the GeForce GTX 660 Ti is the winner, and very much so. (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 largest amount of data (measured in MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. 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 fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

GeForce 8300 GS (OEM)

GeForce GTX 660 Ti

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