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GeForce 8500 GT vs GeForce 920M

Intro

The GeForce 8500 GT comes with core speeds of 450 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 memory. It features 16 SPUs along with 8 TAUs and 4 ROPs.

Compare those specifications to the GeForce 920M, which makes use of a 28 nm design. nVidia has set the core speed at 954 MHz. The DDR3 RAM is set to run at a frequency of 900 MHz on this specific card. It features 384 SPUs as well as 32 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the GeForce 920M should theoretically be just a bit better than the GeForce 8500 GT in general. (explain)

GeForce 920M 14400 MB/sec
GeForce 8500 GT 12800 MB/sec
Difference: 1600 (13%)

Texel Rate

The GeForce 920M is a lot (approximately 748%) more effective at AF than the GeForce 8500 GT. (explain)

GeForce 920M 30528 Mtexels/sec
GeForce 8500 GT 3600 Mtexels/sec
Difference: 26928 (748%)

Pixel Rate

The GeForce 920M will be quite a bit (more or less 324%) better at FSAA than the GeForce 8500 GT, and also should be able to handle higher screen resolutions while still performing well. (explain)

GeForce 920M 7632 Mpixels/sec
GeForce 8500 GT 1800 Mpixels/sec
Difference: 5832 (324%)

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 8500 GT

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 8500 GT GeForce 920M
Manufacturer nVidia nVidia
Year April 2007 March 12 2015
Code Name G86 GK208
Memory 512 MB 2048 MB
Core Speed 450 MHz 954 MHz
Memory Speed 800 MHz 1800 MHz
Power (Max TDP) 45 watts (Unknown) watts
Bandwidth 12800 MB/sec 14400 MB/sec
Texel Rate 3600 Mtexels/sec 30528 Mtexels/sec
Pixel Rate 1800 Mpixels/sec 7632 Mpixels/sec
Unified Shaders 16 384
Texture Mapping Units 8 32
Render Output Units 4 8
Bus Type DDR2 DDR3
Bus Width 128-bit 64-bit
Fab Process 80 nm 28 nm
Transistors 210 million (Unknown) million
Bus PCIe x16, PCI, 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 max amount of information (counted in megabytes per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 8500 GT

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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