GeForce GT 315 vs GeForce GTX 650 Ti

Intro

Compare those specs to the GeForce GTX 650 Ti, which makes use of a 28 nm design. nVidia has clocked the core frequency at 928 MHz. The GDDR5 RAM is set to run at a frequency of 1350 MHz on this card. It features 768 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 315		52 Watts
GeForce GTX 650 Ti		110 Watts
	Difference: 58 Watts (112%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti is 242% faster than the GeForce GT 315 overall, due to its higher bandwidth. (explain)

GeForce GTX 650 Ti		86400 MB/sec
GeForce GT 315		25280 MB/sec
	Difference: 61120 (242%)

Texel Rate

The GeForce GTX 650 Ti will be quite a bit (approximately 494%) more effective at anisotropic filtering than the GeForce GT 315. (explain)

GeForce GTX 650 Ti		59392 Mtexels/sec
GeForce GT 315		10000 Mtexels/sec
	Difference: 49392 (494%)

Pixel Rate

The GeForce GTX 650 Ti is quite a bit (about 197%) faster with regards to full screen anti-aliasing than the GeForce GT 315, and will be able to handle higher resolutions more effectively. (explain)

GeForce GTX 650 Ti		14848 Mpixels/sec
GeForce GT 315		5000 Mpixels/sec
	Difference: 9848 (197%)

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

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics 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 amount of pixels that the graphics chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines 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 output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.