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GeForce 9500 GT 1GB GDDR3 vs GeForce GT 315

Intro

The GeForce 9500 GT 1GB GDDR3 makes use of a 55 nm design. nVidia has clocked the core frequency at 550 MHz. The GDDR3 RAM is set to run at a speed of 800 MHz on this card. It features 32 SPUs as well as 16 TAUs and 8 ROPs.

Compare all of that to the GeForce GT 315, which comes with a GPU core clock speed of 625 MHz, and 512 MB of DDR3 memory set to run at 790 MHz through a 128-bit bus. It also is comprised of 48 Stream Processors, 16 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 1GB GDDR3 50 Watts
GeForce GT 315 52 Watts
Difference: 2 Watts (4%)

Memory Bandwidth

In theory, the GeForce 9500 GT 1GB GDDR3 should perform a bit faster than the GeForce GT 315 in general. (explain)

GeForce 9500 GT 1GB GDDR3 25600 MB/sec
GeForce GT 315 25280 MB/sec
Difference: 320 (1%)

Texel Rate

The GeForce GT 315 should be just a bit (more or less 14%) better at AF than the GeForce 9500 GT 1GB GDDR3. (explain)

GeForce GT 315 10000 Mtexels/sec
GeForce 9500 GT 1GB GDDR3 8800 Mtexels/sec
Difference: 1200 (14%)

Pixel Rate

The GeForce GT 315 is a little bit (about 14%) better at anti-aliasing than the GeForce 9500 GT 1GB GDDR3, and also should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GT 315 5000 Mpixels/sec
GeForce 9500 GT 1GB GDDR3 4400 Mpixels/sec
Difference: 600 (14%)

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 1GB GDDR3

Amazon.com

Check prices at:

GeForce GT 315

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 1GB GDDR3 GeForce GT 315
Manufacturer nVidia nVidia
Year July 2008 November 2009
Code Name G96b GT216
Memory 1024 MB 512 MB
Core Speed 550 MHz 625 MHz
Memory Speed 1600 MHz 1580 MHz
Power (Max TDP) 50 watts 52 watts
Bandwidth 25600 MB/sec 25280 MB/sec
Texel Rate 8800 Mtexels/sec 10000 Mtexels/sec
Pixel Rate 4400 Mpixels/sec 5000 Mpixels/sec
Unified Shaders 32 48
Texture Mapping Units 16 16
Render Output Units 8 8
Bus Type GDDR3 DDR3
Bus Width 128-bit 128-bit
Fab Process 55 nm 40 nm
Transistors 314 million 486 million
Bus PCIe x16 2.0, PCI PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour 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 rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9500 GT 1GB GDDR3

Amazon.com

Check prices at:

GeForce GT 315

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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