GeForce GT 130 vs GeForce GTX 965M

Intro

Compare that to the GeForce GTX 965M, which makes use of a 28 nm design. nVidia has clocked the core frequency at 944 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this particular model. It features 1024 SPUs along with 64 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
GeForce GT 130		75 Watts
	Difference: 15 Watts (25%)

Memory Bandwidth

The GeForce GTX 965M should theoretically be quite a bit faster than the GeForce GT 130 in general. (explain)

GeForce GTX 965M		64000 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 52000 (433%)

Texel Rate

The GeForce GTX 965M should be quite a bit (approximately 403%) faster with regards to AF than the GeForce GT 130. (explain)

GeForce GTX 965M		60416 Mtexels/sec
GeForce GT 130		12000 Mtexels/sec
	Difference: 48416 (403%)

Pixel Rate

The GeForce GTX 965M should be much (about 278%) better at AA than the GeForce GT 130, and should be able to handle higher resolutions better. (explain)

GeForce GTX 965M		30208 Mpixels/sec
GeForce GT 130		8000 Mpixels/sec
	Difference: 22208 (278%)

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 max amount of data (measured in MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.