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GeForce 9500 GT DDR2 vs GeForce GT 310

Intro

The GeForce 9500 GT DDR2 features a GPU core speed of 550 MHz, and the 256 MB of DDR2 memory 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 that to the GeForce GT 310, which has GPU clock speed of 589 MHz, and 512 MB of DDR2 RAM set to run at 1000 MHz through a 64-bit bus. It also features 16 SPUs, 8 TAUs, and 4 ROPs.

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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 the exact same memory bandwidth, so theoretically they should have the same performance. (explain)

Texel Rate

The GeForce 9500 GT DDR2 will be much (about 87%) faster with regards to 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 using a high resolution is important to you, then the GeForce 9500 GT DDR2 is a better choice, by far. (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: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it must 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka 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 of the card - the lower the bandwidth is, the lower the potential to get to the maximum 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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