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GeForce GT 315 vs GeForce GTX 460 (OEM)

Intro

The GeForce GT 315 comes with a core clock frequency of 625 MHz and a DDR3 memory speed of 790 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It features 48 SPUs, 16 Texture Address Units, and 8 ROPs.

Compare those specs to the GeForce GTX 460 (OEM), which features a core clock frequency of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also uses a 256-bit bus, and makes use of a 40 nm design. It features 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 315 52 Watts
GeForce GTX 460 (OEM) 150 Watts
Difference: 98 Watts (188%)

Memory Bandwidth

The GeForce GTX 460 (OEM) should theoretically be a lot faster than the GeForce GT 315 overall. (explain)

GeForce GTX 460 (OEM) 108800 MB/sec
GeForce GT 315 25280 MB/sec
Difference: 83520 (330%)

Texel Rate

The GeForce GTX 460 (OEM) will be a lot (about 264%) more effective at texture filtering than the GeForce GT 315. (explain)

GeForce GTX 460 (OEM) 36400 Mtexels/sec
GeForce GT 315 10000 Mtexels/sec
Difference: 26400 (264%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 460 (OEM) is a better choice, by far. (explain)

GeForce GTX 460 (OEM) 20800 Mpixels/sec
GeForce GT 315 5000 Mpixels/sec
Difference: 15800 (316%)

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 GT 315

Amazon.com

Check prices at:

GeForce GTX 460 (OEM)

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 GT 315 GeForce GTX 460 (OEM)
Manufacturer nVidia nVidia
Year November 2009 October 2010
Code Name GT216 GF104
Memory 512 MB 1024 MB
Core Speed 625 MHz 650 MHz
Memory Speed 1580 MHz 3400 MHz
Power (Max TDP) 52 watts 150 watts
Bandwidth 25280 MB/sec 108800 MB/sec
Texel Rate 10000 Mtexels/sec 36400 Mtexels/sec
Pixel Rate 5000 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 48 336
Texture Mapping Units 16 56
Render Output Units 8 32
Bus Type DDR3 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 486 million 1950 million
Bus PCIe 2.0 PCIe x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.2 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (in units of megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better this number, the better the graphics 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 the graphics card could possibly write to the local memory in a 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 output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GT 315

Amazon.com

Check prices at:

GeForce GTX 460 (OEM)

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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