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GeForce 9800 GT 1GB vs GeForce GT 450 (OEM)

Intro

The GeForce 9800 GT 1GB comes with a GPU clock speed of 600 MHz, and the 1024 MB of GDDR3 memory is set to run at 900 MHz through a 256-bit bus. It also features 112 Stream Processors, 56 TAUs, and 16 ROPs.

Compare that to the GeForce GT 450 (OEM), which has core speeds of 790 MHz on the GPU, and 1000 MHz on the 1536 MB of GDDR5 RAM. It features 144 SPUs as well as 24 TAUs and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GT 1GB 105 Watts
GeForce GT 450 (OEM) 106 Watts
Difference: 1 Watts (1%)

Memory Bandwidth

In theory, the GeForce GT 450 (OEM) will be 67% quicker than the GeForce 9800 GT 1GB in general, because of its greater data rate. (explain)

GeForce GT 450 (OEM) 96000 MB/sec
GeForce 9800 GT 1GB 57600 MB/sec
Difference: 38400 (67%)

Texel Rate

The GeForce 9800 GT 1GB is much (about 77%) better at texture filtering than the GeForce GT 450 (OEM). (explain)

GeForce 9800 GT 1GB 33600 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 14640 (77%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GT 450 (OEM) is superior to the GeForce 9800 GT 1GB, by a large margin. (explain)

GeForce GT 450 (OEM) 18960 Mpixels/sec
GeForce 9800 GT 1GB 9600 Mpixels/sec
Difference: 9360 (98%)

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 GT 1GB

Amazon.com

Check prices at:

GeForce GT 450 (OEM)

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 GT 1GB GeForce GT 450 (OEM)
Manufacturer nVidia nVidia
Year July 2008 October 2010
Code Name G92a/b GF106
Memory 1024 MB 1536 MB
Core Speed 600 MHz 790 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 106 watts
Bandwidth 57600 MB/sec 96000 MB/sec
Texel Rate 33600 Mtexels/sec 18960 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 18960 Mpixels/sec
Unified Shaders 112 144
Texture Mapping Units 56 24
Render Output Units 16 24
Bus Type GDDR3 GDDR5
Bus Width 256-bit 192-bit
Fab Process 65/55 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: Bandwidth is the maximum amount of data (in units of MB per second) that can be transported across the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better 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 amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The better this number, the better the card will be at handling 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 that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GT 1GB

Amazon.com

Check prices at:

GeForce GT 450 (OEM)

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.

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