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GeForce GTX 460 2GB vs GeForce GTX 870M

Intro

The GeForce GTX 460 2GB makes use of a 40 nm design. nVidia has set the core frequency at 675 MHz. The GDDR5 RAM works at a frequency of 900 MHz on this model. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the GeForce GTX 870M, which uses a 28 nm design. nVidia has set the core frequency at 941 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this specific card. It features 1344 SPUs as well as 112 TAUs and 24 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 870M 110 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 50 Watts (45%)

Memory Bandwidth

In theory, the GeForce GTX 460 2GB should be 20% faster than the GeForce GTX 870M overall, because of its higher data rate. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GTX 870M 96000 MB/sec
Difference: 19200 (20%)

Texel Rate

The GeForce GTX 870M should be much (more or less 179%) faster with regards to anisotropic filtering than the GeForce GTX 460 2GB. (explain)

GeForce GTX 870M 105392 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 67592 (179%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 870M is the winner, not by a very large margin though. (explain)

GeForce GTX 870M 22584 Mpixels/sec
GeForce GTX 460 2GB 21600 Mpixels/sec
Difference: 984 (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 GTX 460 2GB

Amazon.com

Check prices at:

GeForce GTX 870M

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 GTX 460 2GB GeForce GTX 870M
Manufacturer nVidia nVidia
Year July 2010 March 12 2014
Code Name GF104 GK104
Memory 2048 MB 3072 MB
Core Speed 675 MHz 941 MHz
Memory Speed 3600 MHz 4000 MHz
Power (Max TDP) 160 watts 110 watts
Bandwidth 115200 MB/sec 96000 MB/sec
Texel Rate 37800 Mtexels/sec 105392 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 22584 Mpixels/sec
Unified Shaders 336 1344
Texture Mapping Units 56 112
Render Output Units 32 24
Bus Type GDDR5 GDDR5
Bus Width 256-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 1950 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes 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 of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 2GB

Amazon.com

Check prices at:

GeForce GTX 870M

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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