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GeForce 8300 GS (OEM) vs Radeon HD 7970

Intro

The GeForce 8300 GS (OEM) comes with a GPU core speed of 450 MHz, and the 128 MB of DDR2 memory runs at 400 MHz through a 64-bit bus. It also is made up of 8 SPUs, 4 TAUs, and 2 ROPs.

Compare those specifications to the Radeon HD 7970, which uses a 28 nm design. AMD has set the core frequency at 925 MHz. The GDDR5 memory works at a frequency of 1375 MHz on this specific model. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8300 GS (OEM) 40 Watts
Radeon HD 7970 250 Watts
Difference: 210 Watts (525%)

Memory Bandwidth

In theory, the Radeon HD 7970 will be 4025% faster than the GeForce 8300 GS (OEM) overall, because of its higher data rate. (explain)

Radeon HD 7970 264000 MB/sec
GeForce 8300 GS (OEM) 6400 MB/sec
Difference: 257600 (4025%)

Texel Rate

The Radeon HD 7970 will be much (approximately 6478%) faster with regards to anisotropic filtering than the GeForce 8300 GS (OEM). (explain)

Radeon HD 7970 118400 Mtexels/sec
GeForce 8300 GS (OEM) 1800 Mtexels/sec
Difference: 116600 (6478%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 7970 is superior to the GeForce 8300 GS (OEM), by far. (explain)

Radeon HD 7970 29600 Mpixels/sec
GeForce 8300 GS (OEM) 900 Mpixels/sec
Difference: 28700 (3189%)

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

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GeForce 8300 GS (OEM)

Amazon.com

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Radeon HD 7970

Amazon.com

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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

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Model GeForce 8300 GS (OEM) Radeon HD 7970
Manufacturer nVidia AMD
Year July 2007 January 2012
Code Name G86 Tahiti XT
Memory 128 MB 3072 MB
Core Speed 450 MHz 925 MHz
Memory Speed 800 MHz 5500 MHz
Power (Max TDP) 40 watts 250 watts
Bandwidth 6400 MB/sec 264000 MB/sec
Texel Rate 1800 Mtexels/sec 118400 Mtexels/sec
Pixel Rate 900 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 8 2048
Texture Mapping Units 4 128
Render Output Units 2 32
Bus Type DDR2 GDDR5
Bus Width 64-bit 384-bit
Fab Process 80 nm 28 nm
Transistors 210 million 4313 million
Bus PCI Express x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.1
OpenGL Version OpenGL 3.0 OpenGL 4.2

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the 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 number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, 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 graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's 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 rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce 8300 GS (OEM)

Amazon.com

Check prices at:

Radeon HD 7970

Amazon.com

Check prices at:

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.

Comments

2 Responses to “GeForce 8300 GS (OEM) vs Radeon HD 7970”
joe says:

hmm, i think i might go for the geforce 8300 gs on this one.

Derp says:

No fucking way, the geforce 9600 gt 1 gb, is way better than the radeon hd 7970!

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