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GeForce 9800 GT 512MB vs GeForce GTX 860M

Intro

The GeForce 9800 GT 512MB features a GPU core clock speed of 600 MHz, and the 512 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also is made up of 112 SPUs, 56 TAUs, and 16 ROPs.

Compare those specifications to the GeForce GTX 860M, which uses a 28 nm design. nVidia has clocked the core speed at 797 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this particular card. It features 1152 SPUs as well as 96 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
GeForce 9800 GT 512MB 105 Watts
Difference: 60 Watts (133%)

Memory Bandwidth

In theory, the GeForce GTX 860M should be 11% faster than the GeForce 9800 GT 512MB overall, due to its higher bandwidth. (explain)

GeForce GTX 860M 64000 MB/sec
GeForce 9800 GT 512MB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce GTX 860M should be much (approximately 128%) faster with regards to texture filtering than the GeForce 9800 GT 512MB. (explain)

GeForce GTX 860M 76512 Mtexels/sec
GeForce 9800 GT 512MB 33600 Mtexels/sec
Difference: 42912 (128%)

Pixel Rate

The GeForce GTX 860M should be much (about 33%) faster with regards to full screen anti-aliasing than the GeForce 9800 GT 512MB, and also able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 860M 12752 Mpixels/sec
GeForce 9800 GT 512MB 9600 Mpixels/sec
Difference: 3152 (33%)

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 860M

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 860M
Manufacturer nVidia nVidia
Year July 2008 March 12 2014
Code Name G92a/b GM107
Memory 512 MB 4096 MB
Core Speed 600 MHz 797 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 45 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 33600 Mtexels/sec 76512 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 12752 Mpixels/sec
Unified Shaders 112 1152
Texture Mapping Units 56 96
Render Output Units 16 16
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: Memory bandwidth is the largest amount of information (in units of MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 9800 GT 512MB

Amazon.com

Check prices at:

GeForce GTX 860M

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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