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GeForce 930M vs GeForce 9800 GX2

Intro

The GeForce 930M comes with a GPU core clock speed of 928 MHz, and the 2048 MB of DDR3 memory is set to run at 900 MHz through a 64-bit bus. It also is made up of 384 Stream Processors, 24 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the GeForce 9800 GX2, which has core clock speeds of 600 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs along with 64 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce 9800 GX2 should theoretically be a lot better than the GeForce 930M overall. (explain)

GeForce 9800 GX2 128000 MB/sec
GeForce 930M 14400 MB/sec
Difference: 113600 (789%)

Texel Rate

The GeForce 9800 GX2 will be much (more or less 245%) more effective at anisotropic filtering than the GeForce 930M. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
GeForce 930M 22272 Mtexels/sec
Difference: 54528 (245%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 9800 GX2 is superior to the GeForce 930M, by far. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
GeForce 930M 7424 Mpixels/sec
Difference: 11776 (159%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce 930M

Amazon.com

Check prices at:

GeForce 9800 GX2

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 930M GeForce 9800 GX2
Manufacturer nVidia nVidia
Year March 12 2015 Mar 2008
Code Name GM108 G92
Memory 2048 MB 512 MB (x2)
Core Speed 928 MHz 600 MHz (x2)
Memory Speed 1800 MHz 2000 MHz (x2)
Power (Max TDP) (Unknown) watts 197 watts
Bandwidth 14400 MB/sec 128000 MB/sec
Texel Rate 22272 Mtexels/sec 76800 Mtexels/sec
Pixel Rate 7424 Mpixels/sec 19200 Mpixels/sec
Unified Shaders 384 128 (x2)
Texture Mapping Units 24 64 (x2)
Render Output Units 8 16 (x2)
Bus Type DDR3 GDDR3
Bus Width 64-bit 256-bit (x2)
Fab Process 28 nm 65 nm
Transistors (Unknown) million 754 million
Bus PCIe 3.0 x16 PCIe x16 2.0
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be moved over the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics 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 most pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce 930M

Amazon.com

Check prices at:

GeForce 9800 GX2

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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