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GeForce 8800 GT 256MB vs GeForce 920M

Intro

The GeForce 8800 GT 256MB uses a 65 nm design. nVidia has set the core speed at 600 MHz. The GDDR3 RAM works at a speed of 700 MHz on this model. It features 112 SPUs as well as 56 Texture Address Units and 16 ROPs.

Compare those specifications to the GeForce 920M, which comes with a clock frequency of 954 MHz and a DDR3 memory frequency of 900 MHz. It also features a 64-bit bus, and uses a 28 nm design. It features 384 SPUs, 32 TAUs, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce 8800 GT 256MB should perform much faster than the GeForce 920M in general. (explain)

GeForce 8800 GT 256MB 44800 MB/sec
GeForce 920M 14400 MB/sec
Difference: 30400 (211%)

Texel Rate

The GeForce 8800 GT 256MB will be a bit (approximately 10%) faster with regards to anisotropic filtering than the GeForce 920M. (explain)

GeForce 8800 GT 256MB 33600 Mtexels/sec
GeForce 920M 30528 Mtexels/sec
Difference: 3072 (10%)

Pixel Rate

The GeForce 8800 GT 256MB is a lot (approximately 26%) better at anti-aliasing than the GeForce 920M, and also capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8800 GT 256MB 9600 Mpixels/sec
GeForce 920M 7632 Mpixels/sec
Difference: 1968 (26%)

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 8800 GT 256MB

Amazon.com

Check prices at:

GeForce 920M

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 8800 GT 256MB GeForce 920M
Manufacturer nVidia nVidia
Year Dec 2007 March 12 2015
Code Name G92 GK208
Memory 256 MB 2048 MB
Core Speed 600 MHz 954 MHz
Memory Speed 1400 MHz 1800 MHz
Power (Max TDP) 105 watts (Unknown) watts
Bandwidth 44800 MB/sec 14400 MB/sec
Texel Rate 33600 Mtexels/sec 30528 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 7632 Mpixels/sec
Unified Shaders 112 384
Texture Mapping Units 56 32
Render Output Units 16 8
Bus Type GDDR3 DDR3
Bus Width 256-bit 64-bit
Fab Process 65 nm 28 nm
Transistors 754 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.0 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's worked out 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 it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video 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 maximum number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 8800 GT 256MB

Amazon.com

Check prices at:

GeForce 920M

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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