GeForce 8800 GT 1GB vs GeForce GTX 965M

Intro

Compare those specifications to the GeForce GTX 965M, which has core speeds of 944 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 memory. It features 1024 SPUs along with 64 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
GeForce 8800 GT 1GB		105 Watts
	Difference: 45 Watts (75%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 965M should in theory be a bit superior to the GeForce 8800 GT 1GB overall. (explain)

GeForce GTX 965M		64000 MB/sec
GeForce 8800 GT 1GB		57600 MB/sec
	Difference: 6400 (11%)

Texel Rate

The GeForce GTX 965M is quite a bit (approximately 80%) faster with regards to AF than the GeForce 8800 GT 1GB. (explain)

GeForce GTX 965M		60416 Mtexels/sec
GeForce 8800 GT 1GB		33600 Mtexels/sec
	Difference: 26816 (80%)

Pixel Rate

The GeForce GTX 965M will be much (more or less 215%) more effective at full screen anti-aliasing than the GeForce 8800 GT 1GB, and capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 965M		30208 Mpixels/sec
GeForce 8800 GT 1GB		9600 Mpixels/sec
	Difference: 20608 (215%)

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 (in units of MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units of the card 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.