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GeForce GTX 460 2GB vs GeForce GTX 850M

Intro

The GeForce GTX 460 2GB comes with a clock speed of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also features a 256-bit bus, and uses a 40 nm design. It features 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the GeForce GTX 850M, which features GPU core speed of 876 MHz, and 2048 MB of DDR3 memory running at 1000 MHz through a 128-bit bus. It also is comprised of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M 40 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 120 Watts (300%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 2GB should perform quite a bit faster than the GeForce GTX 850M in general. (explain)

GeForce GTX 460 2GB 115200 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 83200 (260%)

Texel Rate

The GeForce GTX 460 2GB is a little bit (approximately 8%) faster with regards to texture filtering than the GeForce GTX 850M. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
GeForce GTX 850M 35040 Mtexels/sec
Difference: 2760 (8%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 460 2GB is superior to the GeForce GTX 850M, by a large margin. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
GeForce GTX 850M 14016 Mpixels/sec
Difference: 7584 (54%)

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 850M

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 850M
Manufacturer nVidia nVidia
Year July 2010 March 12 2014
Code Name GF104 GM107
Memory 2048 MB 2048 MB
Core Speed 675 MHz 876 MHz
Memory Speed 3600 MHz 2000 MHz
Power (Max TDP) 160 watts 40 watts
Bandwidth 115200 MB/sec 32000 MB/sec
Texel Rate 37800 Mtexels/sec 35040 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 14016 Mpixels/sec
Unified Shaders 336 640
Texture Mapping Units 56 40
Render Output Units 32 16
Bus Type GDDR5 DDR3
Bus Width 256-bit 128-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 maximum amount of information (counted in MB per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total amount of texture units of the card 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics 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 Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 460 2GB

Amazon.com

Check prices at:

GeForce GTX 850M

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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