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GeForce 920M vs GeForce GT 130

Intro

The GeForce 920M has a GPU clock speed of 954 MHz, and the 2048 MB of DDR3 memory runs at 900 MHz through a 64-bit bus. It also is comprised of 384 SPUs, 32 Texture Address Units, and 8 ROPs.

Compare those specs to the GeForce GT 130, which features GPU clock speed of 500 MHz, and 768 MB of DDR2 RAM running at 250 MHz through a 192-bit bus. It also is comprised of 48 SPUs, 24 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 920M should theoretically be a small bit faster than the GeForce GT 130 in general. (explain)

GeForce 920M 14400 MB/sec
GeForce GT 130 12000 MB/sec
Difference: 2400 (20%)

Texel Rate

The GeForce 920M should be a lot (about 154%) more effective at AF than the GeForce GT 130. (explain)

GeForce 920M 30528 Mtexels/sec
GeForce GT 130 12000 Mtexels/sec
Difference: 18528 (154%)

Pixel Rate

The GeForce GT 130 will be just a bit (about 5%) more effective at FSAA than the GeForce 920M, and will be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GT 130 8000 Mpixels/sec
GeForce 920M 7632 Mpixels/sec
Difference: 368 (5%)

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 920M

Amazon.com

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GeForce GT 130

Amazon.com

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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 920M GeForce GT 130
Manufacturer nVidia nVidia
Year March 12 2015 March 10, 2009
Code Name GK208 G94b
Memory 2048 MB 768 MB
Core Speed 954 MHz 500 MHz
Memory Speed 1800 MHz 500 MHz
Power (Max TDP) (Unknown) watts 75 watts
Bandwidth 14400 MB/sec 12000 MB/sec
Texel Rate 30528 Mtexels/sec 12000 Mtexels/sec
Pixel Rate 7632 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 384 48
Texture Mapping Units 32 24
Render Output Units 8 16
Bus Type DDR3 DDR2
Bus Width 64-bit 192-bit
Fab Process 28 nm 55 nm
Transistors (Unknown) million 505 million
Bus PCIe 3.0 x16 PCIe x16 2.0
DirectX Version DirectX 12 DirectX 10
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total texture units 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 in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce 920M

Amazon.com

Check prices at:

GeForce GT 130

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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