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GeForce 9500 GT DDR2 vs GeForce GT 310

Intro

The GeForce 9500 GT DDR2 features a GPU core clock speed of 550 MHz, and the 256 MB of DDR2 RAM is set to run at 500 MHz through a 128-bit bus. It also is comprised of 32 SPUs, 16 TAUs, and 8 ROPs.

Compare those specs to the GeForce GT 310, which has a core clock frequency of 589 MHz and a DDR2 memory speed of 1000 MHz. It also makes use of a 64-bit bus, and makes use of a 40 nm design. It is comprised of 16 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 310 31 Watts
GeForce 9500 GT DDR2 50 Watts
Difference: 19 Watts (61%)

Memory Bandwidth

Both cards have exactly the same memory bandwidth, so in theory they should have the same performance. (explain)

Texel Rate

The GeForce 9500 GT DDR2 will be a lot (about 87%) better at AF than the GeForce GT 310. (explain)

GeForce 9500 GT DDR2 8800 Mtexels/sec
GeForce GT 310 4712 Mtexels/sec
Difference: 4088 (87%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 9500 GT DDR2 is a better choice, and very much so. (explain)

GeForce 9500 GT DDR2 4400 Mpixels/sec
GeForce GT 310 2356 Mpixels/sec
Difference: 2044 (87%)

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 9500 GT DDR2

Amazon.com

Check prices at:

GeForce GT 310

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 9500 GT DDR2 GeForce GT 310
Manufacturer nVidia nVidia
Year July 2008 November 2009
Code Name G96a GT218
Memory 256 MB 512 MB
Core Speed 550 MHz 589 MHz
Memory Speed 1000 MHz 2000 MHz
Power (Max TDP) 50 watts 31 watts
Bandwidth 16000 MB/sec 16000 MB/sec
Texel Rate 8800 Mtexels/sec 4712 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 2356 Mpixels/sec
Unified Shaders 32 16
Texture Mapping Units 16 8
Render Output Units 8 4
Bus Type DDR2 DDR2
Bus Width 128-bit 64-bit
Fab Process 65 nm 40 nm
Transistors 314 million 260 million
Bus PCIe x16 2.0, PCI PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.1

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the 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 amount of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core 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 is also dependant on quite a few 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 9500 GT DDR2

Amazon.com

Check prices at:

GeForce GT 310

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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