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GeForce GT 450 (OEM) vs GeForce GTX 465

Intro

The GeForce GT 450 (OEM) comes with core clock 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 Texture Address Units and 24 ROPs.

Compare those specifications to the GeForce GTX 465, which uses a 40 nm design. nVidia has clocked the core speed at 607 MHz. The GDDR5 RAM works at a speed of 802 MHz on this specific model. It features 352 SPUs along with 44 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 450 (OEM) 106 Watts
GeForce GTX 465 200 Watts
Difference: 94 Watts (89%)

Memory Bandwidth

The GeForce GTX 465 should in theory be a small bit faster than the GeForce GT 450 (OEM) in general. (explain)

GeForce GTX 465 102592 MB/sec
GeForce GT 450 (OEM) 96000 MB/sec
Difference: 6592 (7%)

Texel Rate

The GeForce GTX 465 is a lot (approximately 41%) more effective at anisotropic filtering than the GeForce GT 450 (OEM). (explain)

GeForce GTX 465 26708 Mtexels/sec
GeForce GT 450 (OEM) 18960 Mtexels/sec
Difference: 7748 (41%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 465 is the winner, though not by far. (explain)

GeForce GTX 465 19424 Mpixels/sec
GeForce GT 450 (OEM) 18960 Mpixels/sec
Difference: 464 (2%)

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 GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 465

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 GT 450 (OEM) GeForce GTX 465
Manufacturer nVidia nVidia
Year October 2010 May 2010
Code Name GF106 GF100
Memory 1536 MB 1024 MB
Core Speed 790 MHz 607 MHz
Memory Speed 4000 MHz 3208 MHz
Power (Max TDP) 106 watts 200 watts
Bandwidth 96000 MB/sec 102592 MB/sec
Texel Rate 18960 Mtexels/sec 26708 Mtexels/sec
Pixel Rate 18960 Mpixels/sec 19424 Mpixels/sec
Unified Shaders 144 352
Texture Mapping Units 24 44
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 3000 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number 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 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 amount of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. 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 is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GT 450 (OEM)

Amazon.com

Check prices at:

GeForce GTX 465

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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