GeForce GT 130 vs GeForce GT 210

Intro

Compare those specs to the GeForce GT 210, which comes with a clock speed of 589 MHz and a DDR3 memory frequency of 800 MHz. It also makes use of a 64-bit memory bus, and uses a 40 nm design. It is made up of 16 SPUs, 8 TAUs, and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 210		31 Watts
GeForce GT 130		75 Watts
	Difference: 44 Watts (142%)

Memory Bandwidth

In theory, the GeForce GT 210 should be 7% quicker than the GeForce GT 130 overall, due to its greater data rate. (explain)

GeForce GT 210		12800 MB/sec
GeForce GT 130		12000 MB/sec
	Difference: 800 (7%)

Texel Rate

The GeForce GT 130 should be much (more or less 155%) better at AF than the GeForce GT 210. (explain)

GeForce GT 130		12000 Mtexels/sec
GeForce GT 210		4712 Mtexels/sec
	Difference: 7288 (155%)

Pixel Rate

The GeForce GT 130 should be a lot (approximately 240%) more effective at full screen anti-aliasing than the GeForce GT 210, and able to handle higher screen resolutions while still performing well. (explain)

GeForce GT 130		8000 Mpixels/sec
GeForce GT 210		2356 Mpixels/sec
	Difference: 5644 (240%)

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 transferred over the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.