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GeForce 920M vs GeForce 9800 GT 1GB

Intro

The GeForce 920M uses a 28 nm design. nVidia has set the core speed at 954 MHz. The DDR3 memory is set to run at a frequency of 900 MHz on this particular card. It features 384 SPUs along with 32 TAUs and 8 Rasterization Operator Units.

Compare that to the GeForce 9800 GT 1GB, which has GPU clock speed of 600 MHz, and 1024 MB of GDDR3 RAM set to run at 900 MHz through a 256-bit bus. It also is comprised of 112 Stream Processors, 56 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce 9800 GT 1GB will be 300% faster than the GeForce 920M in general, because of its greater data rate. (explain)

GeForce 9800 GT 1GB 57600 MB/sec
GeForce 920M 14400 MB/sec
Difference: 43200 (300%)

Texel Rate

The GeForce 9800 GT 1GB is a small bit (about 10%) faster with regards to AF than the GeForce 920M. (explain)

GeForce 9800 GT 1GB 33600 Mtexels/sec
GeForce 920M 30528 Mtexels/sec
Difference: 3072 (10%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce 9800 GT 1GB is superior to the GeForce 920M, and very much so. (explain)

GeForce 9800 GT 1GB 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 920M

Amazon.com

Check prices at:

GeForce 9800 GT 1GB

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 920M GeForce 9800 GT 1GB
Manufacturer nVidia nVidia
Year March 12 2015 July 2008
Code Name GK208 G92a/b
Memory 2048 MB 1024 MB
Core Speed 954 MHz 600 MHz
Memory Speed 1800 MHz 1800 MHz
Power (Max TDP) (Unknown) watts 105 watts
Bandwidth 14400 MB/sec 57600 MB/sec
Texel Rate 30528 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 7632 Mpixels/sec 9600 Mpixels/sec
Unified Shaders 384 112
Texture Mapping Units 32 56
Render Output Units 8 16
Bus Type DDR3 GDDR3
Bus Width 64-bit 256-bit
Fab Process 28 nm 65/55 nm
Transistors (Unknown) million 754 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: Memory bandwidth is the max amount of data (in units of MB per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, 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 number of texture map elements (texels) that are processed per 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 better this number, the better the video card will be at 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 the video card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs 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 quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 920M

Amazon.com

Check prices at:

GeForce 9800 GT 1GB

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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