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GeForce 9800 GTX vs GeForce GTS 450

Intro

The GeForce 9800 GTX has a core clock frequency of 675 MHz and a GDDR3 memory frequency of 1100 MHz. It also uses a 256-bit memory bus, and uses a 65 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare those specifications to the GeForce GTS 450, which has core clock speeds of 783 MHz on the GPU, and 902 MHz on the 512 MB of GDDR5 RAM. It features 192 SPUs along with 32 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 106 Watts
GeForce 9800 GTX 140 Watts
Difference: 34 Watts (32%)

Memory Bandwidth

The GeForce 9800 GTX should in theory perform quite a bit faster than the GeForce GTS 450 overall. (explain)

GeForce 9800 GTX 70400 MB/sec
GeForce GTS 450 57728 MB/sec
Difference: 12672 (22%)

Texel Rate

The GeForce 9800 GTX should be a lot (about 72%) better at AF than the GeForce GTS 450. (explain)

GeForce 9800 GTX 43200 Mtexels/sec
GeForce GTS 450 25056 Mtexels/sec
Difference: 18144 (72%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTS 450 is superior to the GeForce 9800 GTX, but it probably won't make a huge difference. (explain)

GeForce GTS 450 12528 Mpixels/sec
GeForce 9800 GTX 10800 Mpixels/sec
Difference: 1728 (16%)

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 9800 GTX

Amazon.com

Check prices at:

GeForce GTS 450

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.

Specifications

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Model GeForce 9800 GTX GeForce GTS 450
Manufacturer nVidia nVidia
Year April 2008 September 2010
Code Name G92 GF106
Memory 512 MB 512 MB
Core Speed 675 MHz 783 MHz
Memory Speed 2200 MHz 3608 MHz
Power (Max TDP) 140 watts 106 watts
Bandwidth 70400 MB/sec 57728 MB/sec
Texel Rate 43200 Mtexels/sec 25056 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 12528 Mpixels/sec
Unified Shaders 128 192
Texture Mapping Units 64 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1170 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GTX

Amazon.com

Check prices at:

GeForce GTS 450

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

One Response to “GeForce 9800 GTX vs GeForce GTS 450”
david says:

hallo und schönen guten morgen liebes nvidia team.
Gibt es eine möglichkeit die grafikkarte Nvidia geforce 9800 gt mit Directx 11 zu übernehmen ?

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