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GeForce GT 315 vs GeForce GTX 460 (OEM)

Intro

The GeForce GT 315 features a clock frequency of 625 MHz and a DDR3 memory frequency of 790 MHz. It also features 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 specifications to the GeForce GTX 460 (OEM), which makes use of a 40 nm design. nVidia has clocked the core frequency at 650 MHz. The GDDR5 memory runs at a frequency of 850 MHz on this particular model. It features 336 SPUs as well as 56 TAUs and 32 ROPs.

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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) is 330% faster than the GeForce GT 315 in general, due to its greater 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) will be much (approximately 264%) faster with regards to anisotropic 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 using a high screen resolution is important to you, then the GeForce GTX 460 (OEM) is superior to the GeForce GT 315, by a large margin. (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: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better 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 are applied in one second. This figure is worked out by multiplying the total number of texture units by the core 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 processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach 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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