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GeForce GTX 460 1GB vs GeForce GTX 870M

Intro

The GeForce GTX 460 1GB uses a 40 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR5 RAM is set to run at a speed of 900 MHz on this particular card. It features 336 SPUs as well as 56 TAUs and 32 Rasterization Operator Units.

Compare that to the GeForce GTX 870M, which features a GPU core clock speed of 941 MHz, and 3072 MB of GDDR5 RAM running at 1000 MHz through a 192-bit bus. It also is made up of 1344 Stream Processors, 112 Texture Address Units, and 24 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 870M 110 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 50 Watts (45%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 1GB is 20% quicker than the GeForce GTX 870M in general, due to its greater data rate. (explain)

GeForce GTX 460 1GB 115200 MB/sec
GeForce GTX 870M 96000 MB/sec
Difference: 19200 (20%)

Texel Rate

The GeForce GTX 870M is quite a bit (more or less 179%) more effective at AF than the GeForce GTX 460 1GB. (explain)

GeForce GTX 870M 105392 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 67592 (179%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 870M is superior to the GeForce GTX 460 1GB, but not by far. (explain)

GeForce GTX 870M 22584 Mpixels/sec
GeForce GTX 460 1GB 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 1GB

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 1GB GeForce GTX 870M
Manufacturer nVidia nVidia
Year July 2010 March 12 2014
Code Name GF104 GK104
Memory 1024 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: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics 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 clock speed. 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 memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 1GB

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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