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GeForce 920M vs GeForce 9800 GT 1GB

Intro

The GeForce 920M features a clock speed of 954 MHz and a DDR3 memory frequency of 900 MHz. It also makes use of a 64-bit bus, and uses a 28 nm design. It is made up of 384 SPUs, 32 TAUs, and 8 Raster Operation Units.

Compare all of that to the GeForce 9800 GT 1GB, which uses a 65/55 nm design. nVidia has set the core speed at 600 MHz. The GDDR3 memory runs at a frequency of 900 MHz on this particular card. It features 112 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the GeForce 9800 GT 1GB should in theory be a lot superior to the GeForce 920M overall. (explain)

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

Texel Rate

The GeForce 9800 GT 1GB will be a little bit (approximately 10%) more effective at 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 resolution is important to you, then the GeForce 9800 GT 1GB is superior to the GeForce 920M, by a large margin. (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: Bandwidth is the max amount of information (measured in MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 worked out 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few 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.

Display Prices

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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.

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