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GeForce 9800 GT 512MB vs GeForce GTX 965M

Intro

The GeForce 9800 GT 512MB features a core clock frequency of 600 MHz and a GDDR3 memory speed of 900 MHz. It also makes use of a 256-bit bus, and uses a 65/55 nm design. It is made up of 112 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare those specs to the GeForce GTX 965M, which comes with a GPU core clock speed of 944 MHz, and 2048 MB of GDDR5 memory set to run at 1000 MHz through a 128-bit bus. It also features 1024 Stream Processors, 64 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
GeForce 9800 GT 512MB 105 Watts
Difference: 45 Watts (75%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 965M should theoretically be a small bit superior to the GeForce 9800 GT 512MB overall. (explain)

GeForce GTX 965M 64000 MB/sec
GeForce 9800 GT 512MB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce GTX 965M is a lot (about 80%) better at AF than the GeForce 9800 GT 512MB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
GeForce 9800 GT 512MB 33600 Mtexels/sec
Difference: 26816 (80%)

Pixel Rate

The GeForce GTX 965M will be much (approximately 215%) more effective at anti-aliasing than the GeForce 9800 GT 512MB, and capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 965M 30208 Mpixels/sec
GeForce 9800 GT 512MB 9600 Mpixels/sec
Difference: 20608 (215%)

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 512MB

Amazon.com

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GeForce GTX 965M

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 9800 GT 512MB GeForce GTX 965M
Manufacturer nVidia nVidia
Year July 2008 January 5 2015
Code Name G92a/b GM204
Memory 512 MB 2048 MB
Core Speed 600 MHz 944 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 60 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 33600 Mtexels/sec 60416 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 30208 Mpixels/sec
Unified Shaders 112 1024
Texture Mapping Units 56 64
Render Output Units 16 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 texture map elements (texels) that can be processed per 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 the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines 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 output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 9800 GT 512MB

Amazon.com

Check prices at:

GeForce GTX 965M

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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