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GeForce GT 315 vs GeForce GTX 460 (OEM)

Intro

The GeForce GT 315 features a GPU clock speed of 625 MHz, and the 512 MB of DDR3 memory is set to run at 790 MHz through a 128-bit bus. It also features 48 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare that to the GeForce GTX 460 (OEM), which features GPU clock speed of 650 MHz, and 1024 MB of GDDR5 RAM running at 850 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 Texture Address Units, and 32 ROPs.

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

In theory, the GeForce GTX 460 (OEM) will be 330% faster than the GeForce GT 315 in general, due to its higher bandwidth. (explain)

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

Texel Rate

The GeForce GTX 460 (OEM) should be much (about 264%) faster with regards to 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

The GeForce GTX 460 (OEM) will be quite a bit (about 316%) more effective at FSAA than the GeForce GT 315, and also capable of handling higher screen resolutions while still performing well. (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

Display 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: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the 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 maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour 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 also depends on quite a few other factors, most notably 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

Hide Prices

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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